10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-Q

(Mark one)

[x]	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the quarterly period ended June 30, 2018
or
[ ]	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the transition period from            to

Commission file number: 001-33156

First Solar, Inc.

(Exact name of registrant as specified in its charter)

Delaware	20-4623678
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

350 West Washington Street, Suite 600

Tempe, Arizona 85281

(Address of principal executive offices, including zip code)

(602) 414-9300

(Registrant’s telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes [x] No [ ]

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes [x] No [ ]

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer [x]	Accelerated filer [ ]	Non-accelerated filer [ ]
Smaller reporting company [ ]	Emerging growth company [ ]	(Do not check if a smaller reporting company)

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. [ ]

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes [ ] No [x]

As of July 20, 2018, 104,802,050 shares of the registrant’s common stock, $0.001 par value per share, were outstanding.

FIRST SOLAR, INC. AND SUBSIDIARIES

FORM 10-Q FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2018

TABLE OF CONTENTS

		Page
Part I.	Financial Information
Item 1.	Condensed Consolidated Financial Statements (Unaudited):
	Condensed Consolidated Statements of Operations for the three and six months ended June 30, 2018 and 2017	1
	Condensed Consolidated Statements of Comprehensive Income for the three and six months ended June 30, 2018 and 2017	2
	Condensed Consolidated Balance Sheets as of June 30, 2018 and December 31, 2017	3
	Condensed Consolidated Statements of Cash Flows for the six months ended June 30, 2018 and 2017	4
	Notes to Condensed Consolidated Financial Statements	5
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	43
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	61
Item 4.	Controls and Procedures	61
Part II.	Other Information	62
Item 1.	Legal Proceedings	62
Item 1A.	Risk Factors	62
Item 5.	Other Information	63
Item 6.	Exhibits	64
Signature		65

PART I.FINANCIAL INFORMATION

Item 1.Condensed Consolidated Financial Statements (Unaudited)

FIRST SOLAR, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(In thousands, except per share amounts)

(Unaudited)

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Net sales	$	309,318		$	623,326		$	876,583		$	1,515,117
Cost of sales	317,376			512,433			711,843			1,320,040
Gross (loss) profit	(8,058		)	110,893			164,740			195,077
Operating expenses:
Selling, general and administrative	50,854			48,957			91,980			97,156
Research and development	20,370			21,341			40,694			44,140
Production start-up	24,352			8,381			61,436			9,531
Restructuring and asset impairments	—			18,286			—			38,317
Total operating expenses	95,576			96,965			194,110			189,144
Operating (loss) income	(103,634		)	13,928			(29,370		)	5,933
Foreign currency gain (loss), net	2,422			(2,444		)	(95		)	(2,198		)
Interest income	16,865			7,555			28,689			13,972
Interest expense, net	(6,065		)	(6,374		)	(11,247		)	(15,543		)
Other (loss) income, net	(4,328		)	(2,699		)	13,606			23,162
(Loss) income before taxes and equity in earnings	(94,740		)	9,966			1,583			25,326
Income tax benefit (expense)	6,164			40,028			(5,461		)	34,349
Equity in earnings, net of tax	40,085			1,969			38,338			1,417
Net (loss) income	$	(48,491	)	$	51,963		$	34,460		$	61,092
Net (loss) income per share:
Basic	$	(0.46	)	$	0.50		$	0.33		$	0.59
Diluted	$	(0.46	)	$	0.50		$	0.32		$	0.58
Weighted-average number of shares used in per share calculations:
Basic	104,776			104,338			104,664			104,221
Diluted	104,776			104,611			106,234			104,511

See accompanying notes to these condensed consolidated financial statements.

1

FIRST SOLAR, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(In thousands)

(Unaudited)

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Net (loss) income	$	(48,491	)	$	51,963		$	34,460		$	61,092
Other comprehensive (loss) income:
Foreign currency translation adjustments	(15,059		)	(4,038		)	(9,045		)	603
Unrealized gain (loss) on marketable securities and restricted investments, net of tax of $41, $(466), $3,151, and $(350)	506			4,523			(25,418		)	(267		)
Unrealized gain (loss) on derivative instruments, net of tax of $(914), $187, $(978), and $1,000	2,899			(298		)	1,967			(2,452		)
Other comprehensive (loss) income	(11,654		)	187			(32,496		)	(2,116		)
Comprehensive (loss) income	$	(60,145	)	$	52,150		$	1,964		$	58,976

See accompanying notes to these condensed consolidated financial statements.

2

FIRST SOLAR, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

(In thousands, except share data)

(Unaudited)

	June 30, 2018			December 31, 2017
ASSETS
Current assets:
Cash and cash equivalents	$	2,024,491		$	2,268,534
Marketable securities	1,110,421			720,379
Accounts receivable trade, net	125,379			211,797
Accounts receivable, unbilled and retainage	177,711			174,608
Inventories	234,201			172,370
Balance of systems parts	72,411			28,840
Project assets	62,475			77,931
Notes receivable, affiliate	21,398			20,411
Prepaid expenses and other current assets	157,553			157,902
Total current assets	3,986,040			3,832,772
Property, plant and equipment, net	1,484,177			1,154,537
PV solar power systems, net	316,564			417,108
Project assets	500,863			424,786
Deferred tax assets, net	93,730			51,417
Restricted cash and investments	332,043			424,783
Equity method investments	8,110			217,230
Goodwill	14,462			14,462
Intangibles assets, net	77,095			80,227
Inventories	119,160			113,277
Note receivable, affiliate	—			48,370
Other assets	93,448			85,532
Total assets	$	7,025,692		$	6,864,501
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	161,139		$	120,220
Income taxes payable	29,822			19,581
Accrued expenses	381,053			366,827
Current portion of long-term debt	7,741			13,075
Deferred revenue	199,482			81,816
Other current liabilities	36,175			48,757
Total current liabilities	815,412			650,276
Accrued solar module collection and recycling liability	166,837			166,609
Long-term debt	448,554			380,465
Other liabilities	484,061			568,454
Total liabilities	1,914,864			1,765,804
Commitments and contingencies
Stockholders’ equity:
Common stock, $0.001 par value per share; 500,000,000 shares authorized; 104,797,535 and 104,468,460 shares issued and outstanding at June 30, 2018 and December 31, 2017, respectively	105			104
Additional paid-in capital	2,809,272			2,799,107
Accumulated earnings	2,331,688			2,297,227
Accumulated other comprehensive (loss) income	(30,237		)	2,259
Total stockholders’ equity	5,110,828			5,098,697
Total liabilities and stockholders’ equity	$	7,025,692		$	6,864,501

See accompanying notes to these condensed consolidated financial statements.

3

FIRST SOLAR, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)

(Unaudited)

	Six Months Ended June 30,
	2018			2017
Cash flows from operating activities:
Net income	$	34,460		$	61,092
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation, amortization and accretion	54,764			60,940
Impairments and net losses on disposal of long-lived assets	4,214			31,881
Share-based compensation	19,236			15,423
Equity in earnings, net of tax	(38,338		)	(1,417		)
Distributions received from equity method investments	12,394			11,180
Remeasurement of monetary assets and liabilities	6,178			(8,973		)
Deferred income taxes	(49,788		)	(21,887		)
Gains on sales of marketable securities and restricted investments	(19,472		)	(49		)
Liabilities assumed by customers for the sale of systems	(60,307		)	—
Other, net	(76		)	29
Changes in operating assets and liabilities:
Accounts receivable, trade, unbilled and retainage	81,655			(135,234		)
Prepaid expenses and other current assets	(27,384		)	23,409
Inventories and balance of systems parts	(112,145		)	55,221
Project assets and PV solar power systems	(1,167		)	626,002
Other assets	(7,575		)	(8,070		)
Income tax receivable and payable	28,562			(12,231		)
Accounts payable	22,627			(37,902		)
Accrued expenses and other liabilities	134,961			(340,845		)
Accrued solar module collection and recycling liability	1,057			6,771
Net cash provided by operating activities	83,856			325,340
Cash flows from investing activities:
Purchases of property, plant and equipment	(372,623		)	(217,502		)
Purchases of marketable securities and restricted investments	(761,633		)	(364,277		)
Proceeds from sales and maturities of marketable securities and restricted investments	471,444			252,809
Proceeds from sales of equity method investments	247,595			—
Payments received on notes receivable, affiliates	48,369			114
Other investing activities	(5,973		)	2,414
Net cash used in investing activities	(372,821		)	(326,442		)
Cash flows from financing activities
Repayment of long-term debt	(18,140		)	(23,014		)
Proceeds from borrowings under long-term debt, net of discounts and issuance costs	100,198			137,804
Payments of tax withholdings for restricted shares	(10,251		)	(4,247		)
Proceeds from commercial letters of credit	—			43,025
Contingent consideration payments and other financing activities	(1,816		)	(16,650		)
Net cash provided by financing activities	69,991			136,918
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(13,077		)	3,072
Net (decrease) increase in cash, cash equivalents and restricted cash	(232,051		)	138,888
Cash, cash equivalents and restricted cash, beginning of the period	2,330,476			1,415,690
Cash, cash equivalents and restricted cash, end of the period	$	2,098,425		$	1,554,578
Supplemental disclosure of noncash investing and financing activities:
Property, plant and equipment acquisitions funded by liabilities	$	165,670		$	48,742
Sale of system previously accounted for as sale-leaseback financing	$	31,992		$	—
Acquisitions currently or previously funded by liabilities and contingent consideration	$	15,798		$	17,657
Accrued interest capitalized to long-term debt	$	1,679		$	15,181

See accompanying notes to these condensed consolidated financial statements.

4

FIRST SOLAR, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1. Basis of Presentation

The accompanying unaudited condensed consolidated financial statements of First Solar, Inc. and its subsidiaries in this Quarterly Report have been prepared in accordance with generally accepted accounting principles in the United States of America (“U.S. GAAP”) for interim financial information and pursuant to the instructions to Form 10-Q and Article 10 of Regulation S-X of the Securities and Exchange Commission (the “SEC”). Accordingly, these interim financial statements do not include all of the information and footnotes required by U.S. GAAP for annual financial statements. In the opinion of First Solar management, all adjustments (consisting only of normal recurring adjustments) considered necessary for a fair statement have been included. Certain prior year balances have been reclassified to conform to the current year presentation.

The preparation of condensed consolidated financial statements in conformity with U.S. GAAP requires us to make estimates and assumptions that affect the amounts reported in our condensed consolidated financial statements and the accompanying notes. Despite our intention to establish accurate estimates and reasonable assumptions, actual results could differ materially from such estimates and assumptions. Operating results for the three and six months ended June 30, 2018 are not necessarily indicative of the results that may be expected for the year ending December 31, 2018 or for any other period. The condensed consolidated balance sheet at December 31, 2017 has been derived from the audited consolidated financial statements at that date, but does not include all of the information and footnotes required by U.S. GAAP for complete financial statements. These interim financial statements and notes should be read in conjunction with the audited financial statements and notes thereto for the year ended December 31, 2017 included in our Annual Report on Form 10-K, which has been filed with the SEC.

Unless expressly stated or the context otherwise requires, the terms “the Company,” “we,” “us,” “our,” and “First Solar” refer to First Solar, Inc. and its consolidated subsidiaries, and the term “condensed consolidated financial statements” refers to the accompanying unaudited condensed consolidated financial statements contained in this Quarterly Report.

2. Recent Accounting Pronouncements

In February 2018, the Financial Accounting Standard Board (“FASB”) issued ASU 2018-02, Income Statement – Reporting Comprehensive Income (Topic 220) – Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income, to allow entities to reclassify the income tax effects of tax reform legislation commonly referred to as the Tax Cuts and Jobs Act (the “Tax Act”) on items within accumulated other comprehensive income to retained earnings. ASU 2018-02 is effective for fiscal years and interim periods within those years beginning after December 15, 2018, and early adoption is permitted. We are currently evaluating the impact ASU 2018-02 will have on our consolidated financial statements and associated disclosures.

In August 2017, the FASB issued ASU 2017-12, Derivatives and Hedging (Topic 815) – Targeted Improvements to Accounting for Hedging Activities, to simplify certain aspects of hedge accounting for both non-financial and financial risks and better align the recognition and measurement of hedge results with an entity’s risk management activities. ASU 2017-12 also amends certain presentation and disclosure requirements for hedging activities and changes how an entity assesses hedge effectiveness. ASU 2017-12 is effective for fiscal years and interim periods within those years beginning after December 15, 2018, and early adoption is permitted. We are currently evaluating the impact ASU 2017-12 will have on our consolidated financial statements and associated disclosures.

5

In October 2016, the FASB issued ASU 2016-16, Income Taxes (Topic 230) – Intra-Entity Transfers of Assets Other Than Inventory. ASU 2016-16 requires the recognition of income tax consequences of intra-entity transfers of assets, other than inventory, when the transfer occurs. Two common examples of assets included in the scope of ASU 2016-16 are intellectual property and long-lived assets. The adoption of ASU 2016-16 in the first quarter of 2018 did not have a significant impact on our consolidated financial statements and associated disclosures.

In June 2016, the FASB issued ASU 2016-13, Financial Instruments – Credit Losses (Topic 326), to provide financial statement users with more useful information about expected credit losses. ASU 2016-13 also changes how entities measure credit losses on financial instruments and the timing of when such losses are recorded. ASU 2016-13 is effective for fiscal years and interim periods within those years beginning after December 15, 2019, and early adoption is permitted for periods beginning after December 15, 2018. We are currently evaluating the impact ASU 2016-13 will have on our consolidated financial statements and associated disclosures.

In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842),to increase transparency and comparability among organizations by recognizing a right-of-use asset and a lease liability on the balance sheet for all leases with terms longer than 12 months. Leases will be classified as either operating or financing, with such classification affecting the pattern of expense recognition in the income statement. ASU 2016-02 is effective for fiscal years and interim periods within those years beginning after December 15, 2018, and early adoption is permitted. We are currently evaluating the impact ASU 2016-02 will have on our consolidated financial statements and associated disclosures.

3. Restructuring and Asset Impairments

Cadmium Telluride Module Manufacturing and Corporate Restructuring

In November 2016, our board of directors approved a set of initiatives intended to accelerate our transition to Series 6 module manufacturing and restructure our operations to reduce costs and better align the organization with our long-term strategic plans. Accordingly, we expect to upgrade and replace our legacy manufacturing fleet over the next several years with Series 6 manufacturing equipment, thereby enabling the production of solar modules with a larger form factor, better product attributes, and a lower cost structure.

As part of these initiatives, we incurred net charges of $38.3 million during the six months ended June 30, 2017, which included (i) $25.2 million of charges, primarily related to net losses on the disposition of previously impaired Series 4 and Series 5 manufacturing equipment, (ii) $6.8 million of severance benefits to terminated employees, and (iii) $6.4 million of net miscellaneous charges, primarily related to contract terminations, the write-off of operating supplies, and other Series 4 manufacturing exit costs. During the three months ended June 30, 2017, we incurred net charges of $18.3 million, primarily as a result of net losses on the disposition of the aforementioned manufacturing equipment. Substantially all amounts associated with these restructuring and asset impairment charges related to our modules segment and were classified as “Restructuring and asset impairments” on our condensed consolidated statements of operations, and substantially all of the associated liabilities were paid or settled as of December 31, 2017.

6

4. Cash, Cash Equivalents, and Marketable Securities

We consider highly liquid investments with original maturities of three months or less at the time of purchase to be cash equivalents with the exception of time deposits, which are presented as marketable securities. Cash, cash equivalents, and marketable securities consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Cash and cash equivalents:
Cash	$	1,804,118	$	2,142,949
Money market funds	220,373		125,585
Total cash and cash equivalents	2,024,491		2,268,534
Marketable securities:
Foreign debt	299,961		238,858
Foreign government obligations	117,771		152,850
U.S. debt	38,562		73,671
Time deposits	654,127		255,000
Total marketable securities	1,110,421		720,379
Total cash, cash equivalents, and marketable securities	$	3,134,912	$	2,988,913

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within our condensed consolidated balance sheets as of June 30, 2018 and December 31, 2017 to the total of such amounts as presented in the condensed consolidated statement of cash flows (in thousands):

	Balance Sheet Line Item	June 30, 2018		December 31, 2017
Cash and cash equivalents	Cash and cash equivalents	$	2,024,491	$	2,268,534
Restricted cash – current (1)	Prepaid expenses and other current assets	6,554		11,120
Restricted cash – noncurrent (1)	Restricted cash and investments	67,380		50,822
Total cash, cash equivalents, and restricted cash		$	2,098,425	$	2,330,476

——————————

(1) See Note 5. “Restricted Cash and Investments” to our condensed consolidated financial statements for discussion of our “Restricted cash” arrangements.

During the three and six months ended June 30, 2018, we sold marketable securities for proceeds of $10.8 million and realized gains of less than $0.1 million on such sales. During the three and six months ended June 30, 2017, we sold marketable securities for proceeds of $15.1 million and $118.3 million, respectively, and realized gains of less than $0.1 million on such sales. See Note 8. “Fair Value Measurements” to our condensed consolidated financial statements for information about the fair value of our marketable securities.

The following tables summarize the unrealized gains and losses related to our available-for-sale marketable securities, by major security type, as of June 30, 2018 and December 31, 2017 (in thousands):

	As of June 30, 2018
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Foreign debt	$	302,899	$	1	$	2,939	$	299,961
Foreign government obligations	118,992		—		1,221		117,771
U.S. debt	38,607		2		47		38,562
Time deposits	654,127		—		—		654,127
Total	$	1,114,625	$	3	$	4,207	$	1,110,421

7

	As of December 31, 2017
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Foreign debt	$	240,643	$	3	$	1,788	$	238,858
Foreign government obligations	153,999		—		1,149		152,850
U.S. debt	73,746		—		75		73,671
Time deposits	255,000		—		—		255,000
Total	$	723,388	$	3	$	3,012	$	720,379

As of June 30, 2018, we identified nine investments totaling $144.4 million that had been in a loss position for a period of time greater than 12 months with unrealized losses of $1.6 million. As of December 31, 2017, we identified 16 investments totaling $210.3 million that had been in a loss position for a period of time greater than 12 months with unrealized losses of $1.9 million. Such unrealized losses were primarily due to increases in interest rates relative to rates at the time of purchase. Based on the underlying credit quality of the investments, we do not intend to sell these securities prior to the recovery of our cost basis. Therefore, we did not consider these securities to be other-than-temporarily impaired.

The following tables show unrealized losses and fair values for those marketable securities that were in an unrealized loss position as of June 30, 2018 and December 31, 2017, aggregated by major security type and the length of time the marketable securities have been in a continuous loss position (in thousands):

	As of June 30, 2018
	In Loss Position for Less Than 12 Months				In Loss Position for 12 Months or Greater				Total
	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Foreign debt	$	207,034	$	2,040	$	57,927	$	899	$	264,961	$	2,939
Foreign government obligations	31,273		494		86,498		727		117,771		1,221
U.S. debt	23,549		47		—		—		23,549		47
Total	$	261,856	$	2,581	$	144,425	$	1,626	$	406,281	$	4,207

	As of December 31, 2017
	In Loss Position for Less Than 12 Months				In Loss Position for 12 Months or Greater				Total
	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Foreign debt	$	119,869	$	735	$	88,919	$	1,053	$	208,788	$	1,788
Foreign government obligations	31,467		289		121,383		860		152,850		1,149
U.S. debt	73,671		75		—		—		73,671		75
Total	$	225,007	$	1,099	$	210,302	$	1,913	$	435,309	$	3,012

The contractual maturities of our marketable securities as of June 30, 2018 were as follows (in thousands):

	Fair Value
One year or less	$	820,620
One year to two years	128,827
Two years to three years	160,974
Total	$	1,110,421

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5. Restricted Cash and Investments

Restricted cash and investments consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Restricted cash	$	67,380	$	50,822
Restricted investments	264,663		373,961
Total restricted cash and investments (1)	$	332,043	$	424,783

——————————

(1) There was an additional $6.6 million and $11.1 million of restricted cash included within “Prepaid expenses and other current assets” at June 30, 2018 and December 31, 2017, respectively.

At June 30, 2018 and December 31, 2017, our restricted cash consisted of deposits held by various banks to secure certain of our letters of credit and other deposits designated for the construction or operation of systems projects as well as the payment of amounts related to project specific debt financings. See Note 11. “Commitments and Contingencies” to our condensed consolidated financial statements for further discussion related to our letters of credit.

At June 30, 2018 and December 31, 2017, our restricted investments consisted of long-term marketable securities that were held in custodial accounts to fund the estimated future costs of collecting and recycling modules covered under our solar module collection and recycling program. As necessary, we fund any incremental amounts for our estimated collection and recycling obligations within 90 days of the end of each year. We determine the funding requirement, if any, based on estimated costs of collecting and recycling covered modules, estimated rates of return on our restricted investments, and an estimated solar module life of 25 years less amounts already funded in prior years. No incremental funding was required in 2018 as substantially all of our module sales in the prior year were not covered under our solar module collection and recycling program. To ensure that amounts previously funded will be available in the future regardless of potential adverse changes in our financial condition (even in the case of our own insolvency), we have established a trust under which estimated funds are put into custodial accounts with an established and reputable bank, for which First Solar, Inc.; First Solar Malaysia Sdn. Bhd.; and First Solar Manufacturing GmbH are grantors. Trust funds may be disbursed for qualified module collection and recycling costs (including capital and facilities related recycling costs), payments to customers for assuming collection and recycling obligations, and reimbursements of any overfunded amounts. Investments in the trust must meet certain investment quality criteria comparable to highly rated government or agency bonds.

During the six months endedJune 30, 2018, we sold certain restricted investments for proceeds of $101.6 million, realized gains of $19.5 million on such sales, and withdrew the funds from the trust as a reimbursement of overfunded amounts. See Note 8. “Fair Value Measurements” to our condensed consolidated financial statements for information about the fair value of our restricted investments.

The following tables summarize the unrealized gains and losses related to our restricted investments, by major security type, as of June 30, 2018 and December 31, 2017 (in thousands):

	As of June 30, 2018
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Foreign government obligations	$	105,156	$	52,305	$	—	$	157,461
U.S. government obligations	115,975		377		9,150		107,202
Total	$	221,131	$	52,682	$	9,150	$	264,663

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	As of December 31, 2017
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Foreign government obligations	$	127,436	$	62,483	$	—	$	189,919
U.S. government obligations	174,624		12,944		3,526		184,042
Total	$	302,060	$	75,427	$	3,526	$	373,961

As of June 30, 2018, we identified six restricted investments totaling $103.5 million that had been in a loss position for a period of time greater than 12 months with unrealized losses of $9.2 million. As of December 31, 2017, we identified six restricted investments totaling $107.7 million that had been in a loss position for a period of time greater than 12 months with unrealized losses of $3.5 million. The unrealized losses were primarily due to increases in interest rates relative to rates at the time of purchase. Based on the underlying credit quality of the investments, we do not intend to sell these securities prior to the recovery of our cost basis. Therefore, we did not consider these investments to be other-than-temporarily impaired.

As of June 30, 2018, the contractual maturities of our restricted investments were between 12 years and 19 years.

6. Consolidated Balance Sheet Details

Accounts receivable trade, net

Accounts receivable trade, net consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018			December 31, 2017
Accounts receivable trade, gross	$	126,472		$	213,776
Allowance for doubtful accounts	(1,093		)	(1,979		)
Accounts receivable trade, net	$	125,379		$	211,797

At June 30, 2018 and December 31, 2017, $28.0 million and $16.8 million, respectively, of our accounts receivable trade, net were secured by letters of credit, bank guarantees, or other forms of financial security issued by creditworthy financial institutions.

Accounts receivable, unbilled and retainage

Accounts receivable, unbilled and retainage consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Accounts receivable, unbilled	$	175,753	$	172,594
Retainage	1,958		2,014
Accounts receivable, unbilled and retainage	$	177,711	$	174,608

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Inventories

Inventories consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Raw materials	$	180,836	$	148,968
Work in process	23,667		14,085
Finished goods	148,858		122,594
Inventories	$	353,361	$	285,647
Inventories – current	$	234,201	$	172,370
Inventories – noncurrent	$	119,160	$	113,277

Prepaid expenses and other current assets

Prepaid expenses and other current assets consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Prepaid expenses	$	62,143	$	41,447
Value added tax receivables	13,187		12,232
Prepaid income taxes	6,689		31,944
Restricted cash	6,554		11,120
Derivative instruments	3,757		4,303
Other current assets	65,223		56,856
Prepaid expenses and other current assets	$	157,553	$	157,902

Property, plant and equipment, net

Property, plant and equipment, net consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018			December 31, 2017
Land	$	8,097		$	8,181
Buildings and improvements	477,549			424,266
Machinery and equipment	1,490,425			1,059,103
Office equipment and furniture	166,504			157,512
Leasehold improvements	49,048			48,951
Construction in progress	515,025			641,263
Property, plant and equipment, gross	2,706,648			2,339,276
Accumulated depreciation	(1,222,471		)	(1,184,739		)
Property, plant and equipment, net	$	1,484,177		$	1,154,537

Depreciation of property, plant and equipment was $24.6 million and $43.2 million for the three and six months ended June 30, 2018, respectively, and $21.8 million and $48.7 million for the three and six months ended June 30, 2017, respectively.

11

PV solar power systems, net

Photovoltaic (“PV”) solar power systems, consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018			December 31, 2017
PV solar power systems, gross	$	344,077		$	451,045
Accumulated depreciation	(27,513		)	(33,937		)
PV solar power systems, net	$	316,564		$	417,108

Depreciation of PV solar power systems was $4.0 million and $8.3 million for the three and six months ended June 30, 2018, respectively, and $4.9 million and $9.8 million for the three and six months ended June 30, 2017, respectively.

Capitalized interest

The cost of constructing project assets includes interest costs incurred during the construction period. The components of interest expense and capitalized interest were as follows during the three and six months ended June 30, 2018 and 2017 (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Interest cost incurred	$	(7,591	)	$	(6,586	)	$	(14,057	)	$	(15,856	)
Interest cost capitalized – project assets	1,526			212			2,810			313
Interest expense, net	$	(6,065	)	$	(6,374	)	$	(11,247	)	$	(15,543	)

Project assets

Project assets consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Project assets – development costs, including project acquisition and land costs	$	281,325	$	250,590
Project assets – construction costs	282,013		252,127
Project assets	$	563,338	$	502,717
Project assets – current	$	62,475	$	77,931
Project assets – noncurrent	$	500,863	$	424,786

Other assets

Other assets consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Deferred rent	$	26,493	$	26,760
Notes receivable (1)	9,650		10,495
Income taxes receivable	4,485		4,454
Other	52,820		43,823
Other assets	$	93,448	$	85,532

——————————

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(1) In April 2009, we entered into a credit facility agreement with a solar power project entity of one of our customers for an available amount of €17.5 million to provide financing for a PV solar power system. The credit facility bears interest at 8.0% per annum, payable quarterly, with the full amount due in December 2026. As of June 30, 2018 and December 31, 2017, the balance outstanding on the credit facility was €7.0 million ($8.1 million and $8.4 million, respectively).

Goodwill

Goodwill for the relevant reporting unit consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	December 31, 2017			Acquisitions (Impairments)		June 30, 2018
Modules	$	407,827		$	—	$	407,827
Accumulated impairment losses	(393,365		)	—		(393,365		)
Goodwill	$	14,462		$	—	$	14,462

Intangibles assets, net

Intangibles assets, net primarily include developed technologies from prior business acquisitions, certain power purchase agreements (“PPAs”) acquired after the associated PV solar power systems were placed in service, and our internally-generated intangible assets, substantially all of which were patents on technologies related to our products and production processes. We record an asset for patents, after the patent has been issued, based on the legal, filing, and other costs incurred to secure them. We amortize intangible assets on a straight-line basis over their estimated useful lives once the intangible assets meet the criteria to be amortized. During the three months ended June 30, 2018, $17.3 million of in-process research and development related to our prior acquisition of Enki Technology, Inc. was reclassified to developed technology and began amortizing over its useful life of 10 years.

The following tables summarize our intangible assets at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018
	Gross Amount		Accumulated Amortization			Net Amount
Developed technology	$	95,964	$	(28,544	)	$	67,420
Power purchase agreements	6,486		(486		)	6,000
Patents	7,068		(3,393		)	3,675
Intangibles assets, net	$	109,518	$	(32,423	)	$	77,095

	December 31, 2017
	Gross Amount		Accumulated Amortization			Net Amount
Developed technology	$	76,959	$	(24,140	)	$	52,819
Power purchase agreements	6,486		(324		)	6,162
Patents	7,068		(3,077		)	3,991
In-process research and development	17,255		—			17,255
Intangibles assets, net	$	107,768	$	(27,541	)	$	80,227

Amortization expense for our intangible assets was $2.5 million and $4.9 million for the three and six months ended June 30, 2018, respectively, and $2.1 million and $4.1 million for the three and six months ended June 30, 2017, respectively.

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Accrued expenses

Accrued expenses consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Accrued property, plant and equipment	$	115,109	$	133,433
Accrued project assets	105,269		55,834
Accrued inventory	47,502		24,830
Product warranty liability (1)	32,241		28,767
Accrued compensation and benefits	30,088		73,985
Other	50,844		49,978
Accrued expenses	$	381,053	$	366,827

——————————

(1) See Note 11. “Commitments and Contingencies” to our condensed consolidated financial statements for discussion of our “Product warranty liability.”

Other current liabilities

Other current liabilities consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Contingent consideration (1)	$	12,845	$	6,162
Derivative instruments	11,333		27,297
Financing liability (2)	—		5,161
Indemnification liabilities (1)	—		2,876
Other	11,997		7,261
Other current liabilities	$	36,175	$	48,757

——————————

(1) See Note 11. “Commitments and Contingencies” to our condensed consolidated financial statements for discussion of our “Contingent consideration” and “Indemnification liabilities” arrangements.

(2) See Note 9. “Equity Method Investments” to our condensed consolidated financial statements for discussion of the financing liabilities associated with our leaseback of the Maryland Solar project.

Other liabilities

Other liabilities consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Product warranty liability (1)	$	193,572	$	195,507
Other taxes payable	93,429		89,724
Transition tax liability (2)	82,733		93,233
Deferred revenue	58,771		63,257
Derivative instruments	7,996		5,932
Contingent consideration (1)	2,953		3,153
Financing liability (3)	—		29,822
Commercial letter of credit liability (1)	—		43,396
Other	44,607		44,430
Other liabilities	$	484,061	$	568,454

——————————

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(1) See Note 11. “Commitments and Contingencies” to our condensed consolidated financial statements for discussion of our “Product warranty liability,” “Contingent consideration,” and “Commercial letter of credit liability” arrangements.

(2) See Note 14. “Income Taxes” to our condensed consolidated financial statements for discussion of the one-time transition tax on accumulated earnings of foreign subsidiaries as a result of Tax Act.

(3) See Note 9. “Equity Method Investments” to our condensed consolidated financial statements for discussion of the financing liabilities associated with our leaseback of the Maryland Solar project.

7. Derivative Financial Instruments

As a global company, we are exposed in the normal course of business to interest rate and foreign currency risks that could affect our financial position, results of operations, and cash flows. We use derivative instruments to hedge against these risks and only hold such instruments for hedging purposes, not for speculative or trading purposes.

Depending on the terms of the specific derivative instruments and market conditions, some of our derivative instruments may be assets and others liabilities at any particular balance sheet date. We report all of our derivative instruments at fair value and account for changes in the fair value of derivative instruments within “Accumulated other comprehensive (loss) income” if the derivative instruments qualify for hedge accounting. For those derivative instruments that do not qualify for hedge accounting (“economic hedges”), we record the changes in fair value directly to earnings. See Note 8. “Fair Value Measurements” to our condensed consolidated financial statements for information about the techniques we use to measure the fair value of our derivative instruments.

The following tables present the fair values of derivative instruments included in our condensed consolidated balance sheets as of June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018
	Prepaid Expenses and Other Current Assets		Other Current Liabilities		Other Liabilities
Derivatives designated as hedging instruments:
Foreign exchange forward contracts	$	—	$	8,494	$	—
Total derivatives designated as hedging instruments	$	—	$	8,494	$	—
Derivatives not designated as hedging instruments:
Foreign exchange forward contracts	$	3,757	$	2,736	$	—
Interest rate swap contracts	—		103		7,996
Total derivatives not designated as hedging instruments	$	3,757	$	2,839	$	7,996
Total derivative instruments	$	3,757	$	11,333	$	7,996

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	December 31, 2017
	Prepaid Expenses and Other Current Assets		Other Current Liabilities		Other Liabilities
Derivatives designated as hedging instruments:
Foreign exchange forward contracts	$	252	$	13,240	$	—
Total derivatives designated as hedging instruments	$	252	$	13,240	$	—
Derivatives not designated as hedging instruments:
Foreign exchange forward contracts	$	4,051	$	14,057	$	—
Interest rate swap contracts	—		—		5,932
Total derivatives not designated as hedging instruments	$	4,051	$	14,057	$	5,932
Total derivative instruments	$	4,303	$	27,297	$	5,932

The following table presents the pretax amounts related to derivative instruments designated as cash flow hedges affecting accumulated other comprehensive income or loss and our condensed consolidated statements of operations for the six months ended June 30, 2018 and 2017 (in thousands):

	Foreign Exchange Forward Contracts
Balance in accumulated other comprehensive (loss) income at December 31, 2017	$	(1,723	)
Amounts recognized in other comprehensive (loss) income	1,201
Amounts reclassified to earnings impacting:
Net sales	1,744
Balance in accumulated other comprehensive (loss) income at June 30, 2018	$	1,222
Balance in accumulated other comprehensive (loss) income at December 31, 2016	$	2,556
Amounts recognized in other comprehensive (loss) income	(3,452		)
Balance in accumulated other comprehensive (loss) income at June 30, 2017	$	(896	)

We recorded no amounts related to ineffective portions of our derivative instruments designated as cash flow hedges during the three and six months ended June 30, 2018 and 2017. During the three and six months ended June 30, 2018, we recognized unrealized losses of $0.3 million and $0.5 million, respectively, related to amounts excluded from effectiveness testing for our foreign exchange forward contracts designated as cash flow hedges within “Other (loss) income, net.” During the three and six months ended June 30, 2017, we recognized unrealized losses of $0.1 million and $0.2 million, respectively, related to amounts excluded from effectiveness testing for our foreign exchange forward contracts designated as cash flow hedges within “Other (loss) income, net.”

The following table presents gains and losses related to derivative instruments not designated as hedges affecting our condensed consolidated statements of operations for the three and six months ended June 30, 2018 and 2017 (in thousands):

		Three Months Ended June 30,						Six Months Ended June 30,
	Income Statement Line Item	2018			2017			2018			2017
Foreign exchange forward contracts	Foreign currency gain (loss), net	$	19,035		$	(3,499	)	$	6,379		$	(23,658	)
Interest rate swap contracts	Interest expense, net	(1,507		)	(1,006		)	(2,167		)	(5,682		)

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Interest Rate Risk

We use interest rate swap contracts to mitigate our exposure to interest rate fluctuations associated with certain of our debt instruments. We do not use such swap contracts for speculative or trading purposes.

In May 2018, FS NSW Project No 1 Finco Pty Ltd, our indirectly wholly-owned subsidiary and project financing company, entered into various interest rate swap contracts to hedge the floating rate construction loan facility and a portion of the floating rate term loan facility under the associated project’s Beryl Credit Facility (as defined in Note 10. “Debt” to our condensed consolidated financial statements). The swaps had an initial aggregate notional value of AUD 42.4 million and, depending on the loan facility being hedged, entitled the project to receive one-month or three-month floating Bank Bill Swap Bid (“BBSY”) interest rates while requiring the project to pay fixed rates of 2.0615% or 3.2020%. The notional amounts of the interest rate swap contracts are scheduled to proportionately adjust with the scheduled draws and principal payments on the underlying hedged debt. As of June 30, 2018, the aggregate notional value of the interest rate swap contracts was AUD 44.1 million ($32.6 million). These derivative instruments do not qualify for accounting as cash flow hedges in accordance with Accounting Standards Codification (“ASC”) 815 due to our expectation to sell the associated project before the maturity of its project specific debt financing and corresponding swap contracts. Accordingly, the changes in the fair value of the swap contracts are recorded directly to “Interest expense, net.”

In March 2017, Manildra Finco Pty Ltd, our indirect wholly-owned subsidiary and project financing company, entered into various interest rate swap contracts to hedge a portion of the floating rate construction loan facility under the associated project’s Manildra Credit Facility (as defined in Note 10. “Debt” to our condensed consolidated financial statements). Such swaps had an initial aggregate notional value of AUD 12.8 million and entitled the project to receive a one-month or three-month floating BBSY interest rate while requiring the project to pay a fixed rate of 3.13%. The notional amounts of the interest rate swap contracts are scheduled to proportionately adjust with the scheduled draws and principal payments on the underlying hedged debt. As of June 30, 2018 and December 31, 2017, the aggregate notional value of the interest rate swap contracts was AUD 56.8 million ($41.9 million) and AUD 68.1 million ($53.2 million), respectively. These derivative instruments do not qualify for accounting as cash flow hedges in accordance with ASC 815 due to our expectation to sell the associated project before the maturity of its project specific debt financing and corresponding swap contracts. Accordingly, the changes in the fair value of the swap contracts are recorded directly to “Interest expense, net.”

In January 2017, FS Japan Project 12 GK, our indirect wholly-owned subsidiary and project company, entered into an interest rate swap contract to hedge a portion of the floating rate senior loan facility under the project’s Ishikawa Credit Agreement (as defined in Note 10. “Debt” to our condensed consolidated financial statements). Such swap had an initial notional value of ¥5.7 billion and entitled the project to receive a six-month floating Tokyo Interbank Offered Rate (“TIBOR”) plus 0.75% interest rate while requiring the project to pay a fixed rate of 1.482%. The notional amount of the interest rate swap contract is scheduled to proportionately adjust with the scheduled draws and principal payments on the underlying hedged debt. As of June 30, 2018 and December 31, 2017, the notional value of the interest rate swap contract was ¥16.0 billion ($144.2 million) and ¥12.8 billion ($113.4 million), respectively. This derivative instrument does not qualify for accounting as a cash flow hedge in accordance with ASC 815 due to our expectation to sell the associated project before the maturity of its project specific debt financing and corresponding swap contract. Accordingly, the changes in the fair value of the swap contract are recorded directly to “Interest expense, net.”

Foreign Currency Risk

Cash Flow Exposure

We expect certain of our subsidiaries to have future cash flows that will be denominated in currencies other than the subsidiaries’ functional currencies. Changes in the exchange rates between the functional currencies of our subsidiaries and the other currencies in which they transact will cause fluctuations in the cash flows we expect to receive or pay when these cash flows are realized or settled. Accordingly, we enter into foreign exchange forward contracts to hedge

17

a portion of these forecasted cash flows. As of June 30, 2018 and December 31, 2017, these foreign exchange forward contracts hedged our forecasted cash flows for periods up to 3 months and 9 months, respectively. These foreign exchange forward contracts qualify for accounting as cash flow hedges in accordance with ASC 815, and we designated them as such. We initially report the effective portion of a derivative’s unrealized gain or loss in “Accumulated other comprehensive (loss) income” and subsequently reclassify amounts into earnings when the hedged transaction occurs and impacts earnings. We determined that these derivative financial instruments were highly effective as cash flow hedges as of June 30, 2018 and December 31, 2017. As of June 30, 2018 and December 31, 2017, the notional values associated with our foreign exchange forward contracts qualifying as cash flow hedges were as follows (notional amounts and U.S. dollar equivalents in millions):

	June 30, 2018
Currency	Notional Amount	USD Equivalent
Indian rupee	INR 4,730.0	$69.0

	December 31, 2017
Currency	Notional Amount	USD Equivalent
Indian rupee	INR 4,730.0	$74.1
Euro	€15.7	$18.8

In the following 12 months, we expect to reclassify to earnings $1.2 million of net unrealized gains related to these forward contracts that are included in “Accumulated other comprehensive (loss) income” at June 30, 2018 as we realize the earnings effects of the related forecasted transactions. The amount we ultimately record to earnings will depend on the actual exchange rates when we realize the related forecasted transactions.

Transaction Exposure and Economic Hedging

Many of our subsidiaries have assets and liabilities (primarily cash, receivables, marketable securities, deferred taxes, payables, accrued expenses, and solar module collection and recycling liabilities) that are denominated in currencies other than the subsidiaries’ functional currencies. Changes in the exchange rates between the functional currencies of our subsidiaries and the other currencies in which these assets and liabilities are denominated will create fluctuations in our reported condensed consolidated statements of operations and cash flows. We may enter into foreign exchange forward contracts or other financial instruments to economically hedge assets and liabilities against the effects of currency exchange rate fluctuations. The gains and losses on such foreign exchange forward contracts will economically offset all or part of the transaction gains and losses that we recognize in earnings on the related foreign currency denominated assets and liabilities.

We also enter into foreign exchange forward contracts to economically hedge balance sheet and other exposures related to transactions between certain of our subsidiaries and transactions with third parties. Such contracts are considered economic hedges and do not qualify for hedge accounting. Accordingly, we recognize gains or losses from the fluctuations in foreign exchange rates and the fair value of these derivative contracts in “Foreign currency gain (loss), net” on our condensed consolidated statements of operations. These contracts mature at various dates within the next 3 months.

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As of June 30, 2018 and December 31, 2017, the notional values of our foreign exchange forward contracts that do not qualify for hedge accounting were as follows (notional amounts and U.S. dollar equivalents in millions):

	June 30, 2018
Transaction	Currency	Notional Amount	USD Equivalent
Purchase	Australian dollar	AUD 46.5	$34.3
Sell	Australian dollar	AUD 48.4	$35.8
Purchase	Brazilian real	BRL 16.9	$4.4
Sell	Brazilian real	BRL 9.1	$2.4
Sell	Canadian dollar	CAD 2.9	$2.2
Sell	Chilean peso	CLP 1,283.4	$2.0
Purchase	Chinese yuan	CNY 20.0	$3.0
Purchase	Euro	€166.6	$194.0
Sell	Euro	€230.5	$268.4
Sell	Indian rupee	INR 962.0	$14.0
Purchase	Japanese yen	¥1,257.2	$11.4
Sell	Japanese yen	¥24,098.5	$217.6
Purchase	Malaysian ringgit	MYR 8.9	$2.2
Sell	Malaysian ringgit	MYR 18.3	$4.5
Sell	Mexican peso	MXN 37.3	$1.9
Purchase	Singapore dollar	SGD 5.4	$4.0
Purchase	South African rand	ZAR 12.1	$0.9
Sell	South African rand	ZAR 33.7	$2.4

	December 31, 2017
Transaction	Currency	Notional Amount	USD Equivalent
Purchase	Australian dollar	AUD 12.7	$9.9
Sell	Australian dollar	AUD 56.8	$44.4
Sell	Canadian dollar	CAD 1.7	$1.4
Sell	Chilean peso	CLP 10,180.9	$16.6
Purchase	Chinese yuan	CNY 13.8	$2.1
Purchase	Euro	€151.4	$181.6
Sell	Euro	€193.2	$231.7
Purchase	Indian rupee	INR 645.7	$10.1
Sell	Indian rupee	INR 8,376.0	$131.1
Sell	Japanese yen	¥23,922.2	$212.6
Purchase	Malaysian ringgit	MYR 31.0	$7.7
Sell	Malaysian ringgit	MYR 336.5	$83.1
Sell	Singapore dollar	SGD 3.1	$2.3
Purchase	South African rand	ZAR 12.5	$1.0
Sell	South African rand	ZAR 61.1	$5.0

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8. Fair Value Measurements

The following is a description of the valuation techniques that we use to measure the fair value of assets and liabilities that we measure and report at fair value on a recurring basis:

• Cash Equivalents. At June 30, 2018 and December 31, 2017, our cash equivalents consisted of money market funds. We value our money market cash equivalents using observable inputs that reflect quoted prices for securities with identical characteristics, and accordingly, we classify the valuation techniques that use these inputs as Level 1.

• Marketable Securities and Restricted Investments. At June 30, 2018 and December 31, 2017, our marketable securities consisted of foreign debt, foreign government obligations, U.S. debt, and time deposits, and our restricted investments consisted of foreign and U.S. government obligations. We value our marketable securities and restricted investments using observable inputs that reflect quoted prices for securities with identical characteristics or quoted prices for securities with similar characteristics and other observable inputs (such as interest rates that are observable at commonly quoted intervals). Accordingly, we classify the valuation techniques that use these inputs as either Level 1 or Level 2 depending on the inputs used. We also consider the effect of our counterparties’ credit standing in these fair value measurements.

• Derivative Assets and Liabilities. At June 30, 2018 and December 31, 2017, our derivative assets and liabilities consisted of foreign exchange forward contracts involving major currencies and interest rate swap contracts involving major interest rates. Since our derivative assets and liabilities are not traded on an exchange, we value them using standard industry valuation models. As applicable, these models project future cash flows and discount the amounts to a present value using market-based observable inputs, including interest rate curves, credit risk, foreign exchange rates, and forward and spot prices for currencies. These inputs are observable in active markets over the contract term of the derivative instruments we hold, and accordingly, we classify the valuation techniques as Level 2. In evaluating credit risk, we consider the effect of our counterparties’ and our own credit standing in the fair value measurements of our derivative assets and liabilities, respectively.

At June 30, 2018 and December 31, 2017, the fair value measurements of our assets and liabilities measured on a recurring basis were as follows (in thousands):

	June 30, 2018
			Fair Value Measurements at Reporting Date Using
	Total Fair Value and Carrying Value on Balance Sheet		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market funds	$	220,373	$	220,373	$	—	$	—
Marketable securities:
Foreign debt	299,961		—		299,961		—
Foreign government obligations	117,771		—		117,771		—
U.S. debt	38,562		—		38,562		—
Time deposits	654,127		654,127		—		—
Restricted investments	264,663		—		264,663		—
Derivative assets	3,757		—		3,757		—
Total assets	$	1,599,214	$	874,500	$	724,714	$	—
Liabilities:
Derivative liabilities	$	19,329	$	—	$	19,329	$	—

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	December 31, 2017
			Fair Value Measurements at Reporting Date Using
	Total Fair Value and Carrying Value on Balance Sheet		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market mutual funds	$	125,585	$	125,585	$	—	$	—
Marketable securities:
Foreign debt	238,858		—		238,858		—
Foreign government obligations	152,850		—		152,850		—
U.S. debt	73,671		—		73,671		—
Time deposits	255,000		255,000		—		—
Restricted investments	373,961		—		373,961		—
Derivative assets	4,303		—		4,303		—
Total assets	$	1,224,228	$	380,585	$	843,643	$	—
Liabilities:
Derivative liabilities	$	33,229	$	—	$	33,229	$	—

Fair Value of Financial Instruments

At June 30, 2018 and December 31, 2017, the carrying values and fair values of our financial instruments not measured at fair value were as follows (in thousands):

	June 30, 2018				December 31, 2017
	Carrying Value		Fair Value		Carrying Value		Fair Value
Assets:
Notes receivable – noncurrent	$	9,650	$	9,642	$	10,495	$	10,516
Notes receivable, affiliate – current	21,398		23,620		20,411		23,317
Note receivable, affiliate – noncurrent	—		—		48,370		47,441
Liabilities:
Long-term debt, including current maturities (1)	$	468,823	$	471,974	$	406,388	$	416,486

——————————

(1) Excludes capital lease obligations and unamortized discounts and issuance costs.

The carrying values in our condensed consolidated balance sheets of our trade accounts receivable, unbilled accounts receivable and retainage, restricted cash, accounts payable, income taxes payable, and accrued expenses approximated their fair values due to their nature and relatively short maturities; therefore, we excluded them from the foregoing table. The fair value measurements for our notes receivable and long-term debt are considered Level 2 measurements under the fair value hierarchy.

Credit Risk

We have certain financial and derivative instruments that subject us to credit risk. These consist primarily of cash, cash equivalents, marketable securities, trade accounts receivable, restricted cash and investments, notes receivable, and foreign exchange forward contracts. We are exposed to credit losses in the event of nonperformance by the counterparties to our financial and derivative instruments. We place cash, cash equivalents, marketable securities, restricted cash and investments, and foreign exchange forward contracts with various high-quality financial institutions and limit the

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amount of credit risk from any one counterparty. We continuously evaluate the credit standing of our counterparty financial institutions. Our net sales are primarily concentrated among a limited number of customers. We monitor the financial condition of our customers and perform credit evaluations whenever considered necessary. Depending upon the sales arrangement, we may require some form of payment security from our customers, including advance payments, parent guarantees, bank guarantees, surety bonds, or commercial letters of credit.

9. Equity Method Investments

From time to time, we may enter into investments or other strategic arrangements to expedite our penetration of certain markets and establish relationships with potential customers. We may also enter into strategic arrangements with customers or other entities to maximize the value of particular projects. Some of these arrangements may involve significant investments or other allocations of capital. Investments in unconsolidated entities for which we have significant influence, but not control, over the entities’ operating and financial activities are accounted for under the equity method of accounting. The following table summarizes our equity method investments as of June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
8point3 Operating Company, LLC	$	—	$	199,477
Clean Energy Collective, LLC	4,786		6,521
Other	3,324		11,232
Equity method investments	$	8,110	$	217,230

8point3 Operating Company, LLC

In June 2015, 8point3 Energy Partners LP (the “Partnership”), a limited partnership formed by First Solar and SunPower Corporation (“SunPower,” and together with First Solar, the “Sponsors”), completed its initial public offering (the “IPO”) pursuant to a Registration Statement on Form S-1, as amended. As part of the IPO, the Sponsors contributed interests in various projects to 8point3 Operating Company, LLC (“OpCo”) in exchange for voting and economic interests in the entity, and the Partnership acquired an economic interest in OpCo using proceeds from the IPO. Since the formation of the Partnership, the Sponsors, from time to time, sold interests in solar projects to the Partnership, which owns and operates such portfolio of solar energy generation projects.

In February 2018, we entered into an agreement with CD Clean Energy and Infrastructure V JV, LLC, an equity fund managed by Capital Dynamics, Inc. (“Capital Dynamics”) and certain other co-investors and other parties, pursuant to which such parties agreed, subject to the satisfaction of certain conditions, to acquire our interests in the Partnership and its subsidiaries. In June 2018, we completed the sale of such interests and received net proceeds of $240.0 million after the payment of fees, expenses, and other amounts.

We accounted for our interest in OpCo, a subsidiary of the Partnership, under the equity method of accounting as we were able to exercise significant influence over the Partnership due to our representation on the board of directors of its general partner and certain of our associates serving as officers of its general partner. During the three and six months endedJune 30, 2018, we recognized equity in earnings, net of tax, of $40.9 million and $39.7 million, respectively, from our investment in OpCo, including a gain of $40.3 million, net of tax, for the sale of our interests in the Partnership and its subsidiaries. During the three and six months endedJune 30, 2017, we recognized equity in earnings, net of tax, of $3.0 million and $3.8 million, respectively, from our investment in OpCo. During the six months endedJune 30, 2018 and 2017, we received distributions from OpCo of $12.4 million and $11.2 million, respectively.

In connection with the IPO, we also entered into an agreement with a subsidiary of the Partnership to lease back one of our originally contributed projects, Maryland Solar, until December 31, 2019. Under the terms of the agreement, we make fixed rent payments to the Partnership’s subsidiary and are entitled to all of the energy generated by the project. Due to certain continuing involvement with the project, we accounted for the leaseback agreement as a financing

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transaction until the sale of our interests in the Partnership and its subsidiaries in June 2018. Following the sale of such interests, the Maryland Solar project qualified for sale-leaseback accounting, and we recognized net revenue of $32.0 million from the sale of the project. As of December 31, 2017, the financing obligation associated with the leaseback was $35.0 million.

In March 2018, FirstEnergy Solutions Corp. (“FirstEnergy”), the off-taker for the Maryland Solar PPA, filed for chapter 11 bankruptcy protection, and in April 2018, FirstEnergy filed a motion for entry of an order authorizing FirstEnergy and its affiliates to reject certain energy contracts, including the Maryland Solar PPA. In the event the PPA is terminated, we expect to sell energy generated by the Maryland Solar project on an open contract basis.

In December 2016, we completed the sale of our remaining 34% interest in the 300 MW Desert Stateline project located in San Bernardino County, California to OpCo and received a $50.0 million promissory note as part of the consideration for the sale. In June 2018, the outstanding balance on the promissory note of $47.8 million was repaid in conjunction with the sale of our interests in the Partnership and its subsidiaries.

We provide operations and maintenance (“O&M”) services to certain of the Partnership’s partially owned project entities, including SG2 Holdings, LLC; Lost Hills Blackwell Holdings, LLC; NS Solar Holdings, LLC; Kingbird Solar A, LLC; Kingbird Solar B, LLC; and Desert Stateline LLC. During the three and six months endedJune 30, 2018, we recognized revenue of $2.7 million and $5.6 million, respectively, for such O&M services. During the three and six months endedJune 30, 2017, we recognized revenue of $2.5 million and $5.4 million, respectively, for such O&M services.

Clean Energy Collective, LLC

In November 2014, we entered into various agreements to purchase a minority ownership interest in Clean Energy Collective, LLC (“CEC”). This investment provided us with additional access to the distributed generation market and a partner to develop and market community solar offerings to North American residential customers and businesses directly on behalf of client utility companies. As part of the investment, we also received a warrant to purchase additional ownership interests in CEC.

In addition to our equity investment, we also entered into a term loan agreement and a convertible loan agreement with CEC in November 2014 and February 2016, respectively. In August 2017, we amended the terms of the warrant and loan agreements to (i) fix the exercise price of the warrant at our initial investment price per unit, (ii) extend the maturity of the loans to November 2018, (iii) allow for the capitalization of certain accrued and future interest on the term loan, (iv) require mandatory prepayments on the term loan under certain conditions, and (v) fix the interest rate of the term loan at 16% per annum, payable semiannually. The interest rate of the convertible loan remained at 10% per annum, payable at maturity unless converted earlier pursuant to a qualified equity financing by CEC. As of June 30, 2018 and December 31, 2017, the balance outstanding on the term loan was $16.4 million and $15.8 million, respectively, and the balance outstanding on the convertible loan was $4.6 million.

CEC is considered a variable interest entity, and our 26% ownership interest in and loans to the company are considered variable interests. We account for our investment in CEC under the equity method of accounting as we are not the primary beneficiary of the company given that we do not have the power to make decisions over the activities that most significantly impact the company’s economic performance. Under the equity method of accounting, we recognize equity in earnings for our proportionate share of CEC’s net income or loss, including adjustments for the amortization of a basis difference resulting from the cost of our investment differing from our proportionate share of CEC’s equity. During the three and six months endedJune 30, 2018, we recognized losses, net of tax, of $0.7 million and $1.2 million, respectively, from our investment in CEC. During the three and six months endedJune 30, 2017, we recognized losses, net of tax, of $0.9 million and $2.1 million, respectively, from our investment in CEC.

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Summarized Financial Information

The following table presents summarized financial information for OpCo as provided to us by the investee (in thousands):

	Six Months Ended May 31,
	2018			2017
Summary statement of operations information:
Net sales	$	28,736		$	26,575
Operating (loss) income	(38,606		)	4,825
Net (loss) income (1)	(39,280		)	4,783
Net (loss) income attributable to equity method investee (1) (2)	(45,228		)	20,302

——————————

(1) The difference between Net (loss) income and Net (loss) income attributable to equity method investee is due to OpCo’s tax equity financing facilities with third-party investors that hold noncontrolling ownership interests in certain of its subsidiaries. Accordingly, earnings or losses are allocated to such tax equity investors using the Hypothetical Liquidation at Book Value (or “HLBV”) method. During the six months ended May 31, 2018 and 2017, OpCo allocated certain earnings or losses to such third-party investors under the HLBV method, which represented the difference between Net (loss) income and Net (loss) income attributable to equity method investee.

(2) Our proportionate share of OpCo’s net loss for the three and six months ended June 30, 2018 excluded the investee’s impairment loss related to the Maryland Solar project as we accounted for the sale-leaseback of the project as a financing transaction and the associated financing liability exceeded the carrying value of the project.

10. Debt

Our long-term debt consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

		Balance (USD)
Loan Agreement	Currency	June 30, 2018			December 31, 2017
Revolving Credit Facility	USD	$	—		$	—
Luz del Norte Credit Facilities	USD	187,253			185,675
Ishikawa Credit Agreement	JPY	157,257			121,446
Japan Credit Facility	JPY	—			10,710
Tochigi Credit Facility	JPY	190			—
Mashiko Credit Agreement	JPY	—			—
Marikal Credit Facility	INR	—			7,384
Hindupur Credit Facility	INR	—			18,722
Anantapur Credit Facility	INR	16,464			—
Tungabhadra Credit Facility	INR	13,282			—
Manildra Credit Facility	AUD	59,045			62,451
Beryl Credit Facility	AUD	35,332			—
Capital lease obligations	Various	105			156
Long-term debt principal		468,928			406,544
Less: unamortized discounts and issuance costs		(12,633		)	(13,004		)
Total long-term debt		456,295			393,540
Less: current portion		(7,741		)	(13,075		)
Noncurrent portion		$	448,554		$	380,465

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Revolving Credit Facility

Our amended and restated credit agreement with several financial institutions as lenders and JPMorgan Chase Bank, N.A. as administrative agent provides us with a senior secured credit facility (the “Revolving Credit Facility”) with an aggregate borrowing capacity of $500.0 million, which we may increase to $750.0 million, subject to certain conditions. Borrowings under the credit facility bear interest at (i) London Interbank Offered Rate (“LIBOR”), adjusted for Eurocurrency reserve requirements, plus a margin of 2.00% or (ii) a base rate as defined in the credit agreement plus a margin of 1.00% depending on the type of borrowing requested. These margins are also subject to adjustment depending on our consolidated leverage ratio. We had no borrowings under our Revolving Credit Facility as of June 30, 2018 and December 31, 2017 and had issued $52.3 million and $57.5 million, respectively, of letters of credit using availability under the facility. Loans and letters of credit issued under the Revolving Credit Facility are jointly and severally guaranteed by First Solar, Inc.; First Solar Electric, LLC; First Solar Electric (California), Inc.; and First Solar Development, LLC and are secured by interests in substantially all of the guarantors’ tangible and intangible assets other than certain excluded assets.

In addition to paying interest on outstanding principal under the Revolving Credit Facility, we are required to pay a commitment fee at a rate of 0.30% per annum, based on the average daily unused commitments under the facility, which may also be adjusted due to changes in our consolidated leverage ratio. We also pay a letter of credit fee based on the applicable margin for Eurocurrency revolving loans on the face amount of each letter of credit and a fronting fee of 0.125%. Our Revolving Credit Facility matures in July 2022.

Luz del Norte Credit Facilities

In August 2014, Parque Solar Fotovoltaico Luz del Norte SpA (“Luz del Norte”), our indirect wholly-owned subsidiary and project company, entered into credit facilities with the Overseas Private Investment Corporation (“OPIC”) and the International Finance Corporation (“IFC”) to provide limited-recourse senior secured debt financing for the design, development, financing, construction, testing, commissioning, operation, and maintenance of a 141 MW PV solar power plant located near Copiapó, Chile. At the same time, Luz del Norte also entered into a Chilean peso facility (the “VAT facility” and together with the OPIC and IFC loans, the “Luz del Norte Credit Facilities”) with Banco de Crédito e Inversiones to fund Chilean value added tax associated with the construction of the Luz del Norte project. In March 2017, we repaid the remaining balance on the VAT facility.

In March 2017, we amended the terms of the OPIC and IFC credit facilities. Such amendments (i) allowed for the capitalization of accrued and unpaid interest through March 15, 2017, along with the capitalization of certain future interest payments as variable rate loans under the credit facilities, (ii) allowed for the conversion of certain fixed rate loans to variable rate loans upon scheduled repayment, (iii) extended the maturity of the OPIC and IFC loans until June 2037, and (iv) canceled the remaining borrowing capacity under the OPIC and IFC credit facilities with the exception of the capitalization of certain future interest payments. As of June 30, 2018 and December 31, 2017, the balance outstanding on the OPIC loans was $140.3 million and $139.0 million, respectively. As of June 30, 2018 and December 31, 2017, the balance outstanding on the IFC loans was $47.0 million and $46.6 million, respectively. The OPIC and IFC loans are secured by liens over all of Luz del Norte’s assets, which had an aggregate book value of $322.9 million, including intercompany charges, as of June 30, 2018 and by a pledge of all of the equity interests in the entity.

Ishikawa Credit Agreement

In December 2016, FS Japan Project 12 GK (“Ishikawa”), our indirect wholly-owned subsidiary and project company, entered into a credit agreement (the “Ishikawa Credit Agreement”) with Mizuho Bank, Ltd. for aggregate borrowings up to ¥27.3 billion ($246.5 million) for the development and construction of a 59 MW PV solar power plant located in Ishikawa, Japan. The credit agreement consists of a ¥24.0 billion ($216.7 million) senior loan facility, a ¥2.1 billion ($19.0 million) consumption tax facility, and a ¥1.2 billion ($10.8 million) letter of credit facility. The senior loan facility matures in October 2036, and the consumption tax facility matures in April 2020. The credit agreement is

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secured by pledges of Ishikawa’s assets, accounts, material project documents, and by the equity interests in the entity. As of June 30, 2018 and December 31, 2017, the balance outstanding on the credit agreement was $157.3 million and $121.4 million, respectively.

Japan Credit Facility

In September 2015, First Solar Japan GK, our wholly-owned subsidiary, entered into a construction loan facility with Mizuho Bank, Ltd. for borrowings up to ¥4.0 billion ($36.1 million) for the development and construction of utility-scale PV solar power plants in Japan (the “Japan Credit Facility”). In September 2017, First Solar Japan GK renewed the facility for an additional one-year period until September 2018. The facility is guaranteed by First Solar, Inc. and secured by pledges of certain projects’ cash accounts and other rights in the projects. As of June 30, 2018 and December 31, 2017, the balance outstanding on the facility was zero and $10.7 million, respectively.

Tochigi Credit Facility

In June 2017, First Solar Japan GK, our wholly-owned subsidiary, entered into a term loan facility with Mizuho Bank, Ltd. for borrowings up to ¥7.0 billion ($63.2 million) for the development of utility-scale PV solar power plants in Japan (the “Tochigi Credit Facility”). The majority of the facility is available to be drawn by or before November 2018, and the aggregate term loan facility matures in March 2021. The facility is guaranteed by First Solar, Inc. and secured by pledges of certain of First Solar Japan GK’s accounts. As of June 30, 2018 and December 31, 2017, the balance outstanding on the term loan facility was $0.2 million and zero, respectively.

Mashiko Credit Agreement

In March 2018, FS Japan Project 14 GK (“Mashiko”), our indirect wholly-owned subsidiary and project company, entered into a credit agreement (the “Mashiko Credit Agreement”) with Mizuho Bank, Ltd. for aggregate borrowings up to ¥9.2 billion ($83.1 million) for the development and construction of a 19 MW PV solar power plant located in Tochigi, Japan. The credit agreement consists of a ¥8.1 billion ($73.1 million) senior loan facility, a ¥0.7 billion ($6.3 million) consumption tax facility, and a ¥0.4 billion ($3.6 million) letter of credit facility. The senior loan facility matures in March 2037, and the consumption tax facility matures in September 2020. The credit agreement is secured by pledges of Mashiko’s assets, accounts, material project documents, and ownership interests. As of June 30, 2018, there was no balance outstanding on the credit agreement.

Marikal Credit Facility

In March 2015, Marikal Solar Parks Private Limited, our indirect wholly-owned subsidiary and project company, entered into a term loan facility (the “Marikal Credit Facility”) with Axis Bank as administrative agent for aggregate borrowings up to INR 0.5 billion ($8.0 million) for the development and construction of a 10 MW PV solar power plant located in Telangana, India. In May 2018, we repaid the remaining $6.8 million principal balance on the term loan facility. As of December 31, 2017, the balance outstanding on the term loan facility was $7.4 million.

Hindupur Credit Facility

In November 2016, Hindupur Solar Parks Private Limited, our indirect wholly-owned subsidiary and project company, entered into a term loan facility (the “Hindupur Credit Facility”) with Yes Bank Limited for borrowings up to INR 4.3 billion ($62.8 million) for costs related to an 80 MW portfolio of PV solar power plants located in Andhra Pradesh, India. The term loan facility had a letter of credit sub-limit of INR 3.2 billion ($46.7 million), which was used for project related costs. In March 2018, we completed the sale of our Hindupur projects, and the outstanding balance of the Hindupur Credit Facility of $17.0 million was assumed by the customer. As of December 31, 2017, we had issued INR 2.9 billion ($42.3 million) of letters of credit under the term loan facility, and the balance outstanding on the term loan facility was $18.7 million.

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Anantapur Credit Facility

In March 2018, Anantapur Solar Parks Private Limited, our indirect wholly-owned subsidiary and project company, entered into a term loan facility (the “Anantapur Credit Facility”) with J.P. Morgan Securities India Private Limited for borrowings up to INR 1.2 billion ($17.5 million) for costs related to a 20 MW PV solar power plant located in Karnataka, India. The term loan facility matures in February 2021 and is secured by a letter of credit issued by JPMorgan Chase Bank, N.A., Singapore, in favor of the lender. Such letter of credit is secured by a cash deposit placed by First Solar FE Holdings Pte. Ltd. As of June 30, 2018, the balance outstanding on the term loan facility was $16.5 million.

Tungabhadra Credit Facility

In March 2018, Tungabhadra Solar Parks Private Limited, our indirect wholly-owned subsidiary and project company, entered into a term loan facility (the “Tungabhadra Credit Facility”) with J.P. Morgan Securities India Private Limited for borrowings up to INR 1.0 billion ($14.6 million) for costs related to a 20 MW PV solar power plant located in Karnataka, India. The term loan facility matures in February 2021 and is secured by a letter of credit issued by JPMorgan Chase Bank, N.A., Singapore, in favor of the lender. Such letter of credit is secured by a cash deposit placed by First Solar FE Holdings Pte. Ltd. As of June 30, 2018, the balance outstanding on the term loan facility was $13.3 million.

Manildra Credit Facility

In March 2017, Manildra Finco Pty Ltd, our indirect wholly-owned subsidiary and project financing company, entered into a term loan agreement (the “Manildra Credit Facility”) with Société Générale S.A. and The Bank of Tokyo-Mitsubishi UFJ, Ltd. for aggregate borrowings up to AUD 81.7 million ($60.3 million) for costs related to a 49 MW PV solar power plant located in New South Wales, Australia. The credit facility consists of an AUD 75.7 million ($55.9 million) construction loan facility and an additional AUD 6.0 million ($4.4 million) goods and service tax facility (or “GST facility”) to fund certain taxes associated with the construction of the associated project. Upon completion of the project’s construction, the construction loan facility will convert to a term loan facility, which matures in March 2022. The GST facility matures in March 2019. The credit facility is secured by pledges of the borrower’s assets, accounts, material project documents, and by the equity interests in the entity. As of June 30, 2018 and December 31, 2017, the balance outstanding on the term loan facility was $59.0 million and $62.5 million, respectively.

Beryl Credit Facility

In May 2018, FS NSW Project No 1 Finco Pty Ltd, our wholly-owned subsidiary and project financing company, entered into a term loan agreement (the “Beryl Credit Facility”) with MUFG Bank, Ltd.; Société Générale, Hong Kong Branch; and Mizuho Bank, Ltd. for aggregate borrowings up to AUD 146.4 million ($108.1 million) for the development and construction of an 87 MW PV solar power plant located in New South Wales, Australia. The credit facility consists of an AUD 135.4 million ($100.0 million) construction loan facility, an AUD 7.0 million ($5.2 million) GST facility to fund certain taxes associated with the construction of the project, and an AUD 4.0 million ($3.0 million) letter of credit facility. Upon completion of the project’s construction, the construction loan facility will convert to a term loan facility. The term loan facility matures in May 2023, and the GST facility matures in May 2020. The credit facility is secured by pledges of the borrower’s assets, accounts, material project documents, and by the equity interests in the entity. As of June 30, 2018, the balance outstanding on the term loan facility was $35.3 million.

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Variable Interest Rate Risk

Certain of our long-term debt agreements bear interest at prime, LIBOR, TIBOR, BBSY, or equivalent variable rates. An increase in these variable rates would increase the cost of borrowing under our Revolving Credit Facility and certain project specific debt financings. Our long-term debt borrowing rates as of June 30, 2018 were as follows:

Loan Agreement	June 30, 2018
Revolving Credit Facility	4.09%
Luz del Norte Credit Facilities (1)	Fixed rate loans at bank rate plus 3.50%
	Variable rate loans at 91-Day U.S. Treasury Bill Yield or LIBOR plus 3.50%
Ishikawa Credit Agreement	Senior loan facility at 6-month TIBOR plus 0.75% (2)
	Consumption tax facility at 3-month TIBOR plus 0.5%
Japan Credit Facility	1-month TIBOR plus 0.5%
Tochigi Credit Facility	3-month TIBOR plus 1.0%
Mashiko Credit Agreement	Senior loan facility at 6-month TIBOR plus 0.70%
	Consumption tax facility at 3-month TIBOR plus 0.5%
Anantapur Credit Facility	INR overnight indexed swap rate plus 1.5%
Tungabhadra Credit Facility	INR overnight indexed swap rate plus 1.5%
Manildra Credit Facility	Construction loan facility at 1-month BBSY plus 1.70% (2)
	GST facility at 1-month BBSY plus 1.60%
Beryl Credit Facility	Construction loan facility at 1-month BBSY plus 1.55% (2)
	GST facility at 1-month BBSY plus 1.00%
Capital lease obligations	Various

——————————

(1) Outstanding balance comprised of $162.7 million of fixed rate loans and $24.5 million of variable rate loans as of June 30, 2018.

(2) We have entered into interest rate swap contracts to hedge portions of these variable rates. See Note 7. “Derivative Financial Instruments” to our condensed consolidated financial statements for additional information.

Future Principal Payments

At June 30, 2018, the future principal payments on our long-term debt, excluding payments related to capital leases, were due as follows (in thousands):

	Total Debt
Remainder of 2018	$	1,144
2019	11,212
2020	28,292
2021	43,324
2022	59,439
Thereafter	325,412
Total long-term debt future principal payments	$	468,823

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11. Commitments and Contingencies

Commercial Commitments

During the normal course of business, we enter into commercial commitments in the form of letters of credit, bank guarantees, and surety bonds to provide financial and performance assurance to third parties. Our amended and restated Revolving Credit Facility provides us with a sub-limit of $400.0 million to issue letters of credit, subject to certain additional limits depending on the currencies of the letters of credit, at a fee based on the applicable margin for Eurocurrency revolving loans and a fronting fee. As of June 30, 2018, we had $52.3 million in letters of credit issued under our Revolving Credit Facility, leaving $347.7 million of availability for the issuance of additional letters of credit. The majority of these letters of credit supported our systems projects. As of June 30, 2018, we also had $0.6 million of bank guarantees and letters of credit under separate agreements that were posted by certain of our foreign subsidiaries, $260.5 million of letters of credit issued under three bilateral facilities, of which $34.9 million was secured with cash, and $136.8 million of surety bonds outstanding, primarily for our systems projects. The available bonding capacity under our surety lines was $579.7 million as of June 30, 2018.

In addition to the commercial commitments noted above, we also issued certain commercial letters of credit, also known as letters of undertaking, under our Hindupur Credit Facility as discussed in Note 10. “Debt” to our condensed consolidated financial statements. Such commercial letters of credit represented conditional commitments on the part of the issuing financial institution to provide payment on amounts drawn in accordance with the terms of the individual documents. As part of the financing of the associated systems projects, we presented these commercial letters of credit to other financial institutions, whereby we received immediate funding, and these other financial institutions agreed to settle such letters at a future date. At the time of settlement, the balance of the commercial letters of credit would be included in the balance outstanding of the credit facility. In the periods between the receipt of cash and the subsequent settlement of the commercial letters of credit, we accrued interest on the balance or otherwise accreted any discounted value of the letters to their face value and recorded such amounts as “Interest expense, net” on our condensed consolidated statements of operations. In March 2018, we completed the sale of our Hindupur projects, and the outstanding letters of credit of $43.3 million under the Hindupur Credit Facility were assumed by the customer. As of December 31, 2017, we accrued $43.4 million for contingent obligations associated with such commercial letters of credit. These amounts were classified as “Other liabilities” on our condensed consolidated balance sheets to align with the timing in which we expected to settle such obligations as payments under the associated credit facility.

Supply Agreements

In April 2018, we entered into a supply agreement for the purchase of substrate glass for our PV solar modules. Under the terms of the agreement, we expect to pay approximately $2.4 billion over the supply period, which ends in December 2027. The agreement includes an aggregate termination penalty up to $350 million, of which $250 million declines on a straight-line basis over a period of five years beginning in July 2020 and $100 million declines on a straight-line basis over a period of eight years beginning in October 2019.

In March 2018, we entered into a 10-year supply agreement for the purchase of cover glass for our PV solar modules. Under the terms of the agreement, we expect to pay approximately $500 million over the 10-year supply period, which is scheduled to begin by January 2020. The agreement includes a termination penalty of up to $80 million, which declines annually on a straight-line basis over a period of six years.

Product Warranties

When we recognize revenue for module or system sales, we accrue liabilities for the estimated future costs of meeting our limited warranty obligations for both modules and the balance of the systems. We make and revise these estimates based primarily on the number of solar modules under warranty installed at customer locations, our historical experience with warranty claims, our monitoring of field installation sites, our internal testing and the expected future performance of our solar modules and balance of systems (“BoS”) parts, and our estimated replacement costs. From time to time,

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we have taken remediation actions with respect to affected modules beyond our limited warranties and may elect to do so in the future, in which case we would incur additional expenses. Such potential voluntary future remediation actions beyond our limited warranty obligations may be material to our condensed consolidated statements of operations if we commit to any such remediation actions.

Product warranty activities during the three and six months ended June 30, 2018 and 2017 were as follows (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Product warranty liability, beginning of period	$	225,800		$	253,422		$	224,274		$	252,408
Accruals for new warranties issued	1,836			5,270			5,468			10,286
Settlements	(2,472		)	(2,249		)	(5,081		)	(3,916		)
Changes in estimate of product warranty liability	649			(16,742		)	1,152			(19,077		)
Product warranty liability, end of period	$	225,813		$	239,701		$	225,813		$	239,701
Current portion of warranty liability	$	32,241		$	37,217		$	32,241		$	37,217
Noncurrent portion of warranty liability	$	193,572		$	202,484		$	193,572		$	202,484

We estimate our limited product warranty liability for power output and defects in materials and workmanship under normal use and service conditions based on warranty return rates of approximately 1% to 3% for modules covered under warranty, depending on the series of module technology. As of June 30, 2018, a 1% change in estimated warranty return rates would change our module warranty liability by $74.5 million, and a 1% change in the estimated warranty return rate for BoS parts would not have a material impact on the associated warranty liability.

Performance Guarantees

As part of our systems business, we conduct performance testing of a system prior to substantial completion to confirm the system meets its operational and capacity expectations noted in the engineering, procurement, and construction (“EPC”) agreement. In addition, we may provide an energy performance test during the first or second year of a system’s operation to demonstrate that the actual energy generation for the applicable period meets or exceeds the modeled energy expectation, after certain adjustments. If there is an underperformance event with regards to these tests, we may incur liquidated damages as specified in the EPC contract. In certain instances, a bonus payment may be received at the end of the applicable test period if the system performs above a specified level. As of June 30, 2018 and December 31, 2017, we accrued $8.6 million and $2.1 million, respectively, of estimated obligations under such arrangements, which were classified as “Other current liabilities” in our condensed consolidated balance sheets.

As part of our O&M service offerings, we typically offer an effective availability guarantee, which stipulates that a system will be available to generate a certain percentage of total possible energy during a specific period after adjusting for factors outside of our control as the service provider, such as weather, curtailment, outages, force majeure, and other conditions that may affect system availability. Effective availability guarantees are only offered as part of our O&M services and terminate at the end of an O&M arrangement. If we fail to meet the contractual threshold for these guarantees, we may incur liquidated damages for certain lost energy under the PPA. Our O&M agreements typically contain provisions limiting our total potential losses under an agreement, including amounts paid for liquidated damages, to a percentage of O&M fees. Many of our O&M agreements also contain provisions whereby we may receive a bonus payment if system availability exceeds a separate threshold. As of June 30, 2018 and December 31, 2017, we did not accrue any estimated obligations under our effective availability guarantees.

Indemnifications

In certain limited circumstances, we have provided indemnifications to customers, including project tax equity investors, under which we are contractually obligated to compensate such parties for losses they suffer resulting from a breach of a representation, warranty, or covenant or a reduction in tax benefits received, including investment tax credits.

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Project related tax benefits are, in part, based on guidance provided by the Internal Revenue Service and U.S. Treasury Department, which includes assumptions regarding the fair value of qualifying PV solar power systems. For any sales contracts that have such indemnification provisions, we initially recognize a liability under ASC 460, Guarantees, for the estimated premium that would be required by a guarantor to issue the same indemnity in a standalone arm’s-length transaction with an unrelated party. We initially measure such liabilities at the greater of the fair value of the indemnity or the contingent liability required to be recognized under ASC 450, Contingencies, and reduce the revenue recognized in the related transaction.

We estimate the fair value of indemnities provided based on the cost of insurance policies that cover the underlying risks being indemnified and may purchase such policies to mitigate our exposure to potential indemnification payments. After an indemnification liability is recorded, we derecognize such amount pursuant to ASC 460-10-35-2 depending on the nature of the indemnity, which derecognition typically occurs upon expiration or settlement of the arrangement, and any contingent aspects of the indemnity are accounted for in accordance with ASC 450. Changes to any such indemnification liabilities provided are recorded as adjustments to revenue. As of June 30, 2018 and December 31, 2017, we accrued $3.0 million and $4.9 million of noncurrent indemnification liabilities, respectively, for tax related indemnifications. As of December 31, 2017, we also accrued $2.9 million of current indemnification liabilities for such matters. As of June 30, 2018, the maximum potential amount of future payments under our tax related indemnifications was $122.3 million, and we held insurance policies allowing us to recover up to $84.9 million of potential amounts paid under the indemnifications covered by the policies.

Contingent Consideration

As part of our prior acquisition of Enki Technology, Inc. (“Enki”), we agreed to pay additional consideration to the selling shareholders contingent upon the achievement of certain production and module performance milestones. As of June 30, 2018 and December 31, 2017, we accrued $3.5 million and $1.8 million of current liabilities, respectively, for our contingent obligations associated with the Enki acquisition based on their estimated fair values and the expected timing of payment.

We continually seek to make additions to our advanced-stage project pipeline by actively developing our early-to-mid-stage project pipeline and by pursuing opportunities to acquire projects at various stages of development. In connection with such project acquisitions, we may agree to pay additional amounts to project sellers upon the achievement of certain milestones, such as obtaining a PPA, obtaining financing, or selling the project to a new owner. We recognize a project acquisition contingent liability when we determine that such a liability is both probable and reasonably estimable, and the carrying amount of the related project asset is correspondingly increased. In May 2018, we acquired a portfolio of development projects in the southeastern United States for $21.9 million, which included $5.0 million of contingent consideration. As of June 30, 2018 and December 31, 2017, we accrued $9.3 million and $4.4 million of current liabilities, respectively, and $3.0 million and $3.2 million of long-term liabilities, respectively, for project related contingent obligations. Any future differences between the acquisition-date contingent obligation estimate and the ultimate settlement of the obligation are recognized as an adjustment to the project asset, as contingent payments are considered direct and incremental to the underlying value of the related project.

Solar Module Collection and Recycling Liability

We voluntarily established a module collection and recycling program to collect and recycle modules sold and covered under such program once the modules reach the end of their useful lives. For customer sales contracts that include modules covered under this program, we agree to pay the costs for the collection and recycling of qualifying solar modules, and the end-users agree to notify us, disassemble their solar power systems, package the solar modules for shipment, and revert ownership rights over the modules back to us at the end of the modules’ service lives. Accordingly, we record any collection and recycling obligations within “Cost of sales” at the time of sale based on the estimated cost to collect and recycle the covered solar modules. During the three and six months ended June 30, 2018 and 2017, substantially all of our modules sold were not covered by our collection and recycling program.

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We estimate the cost of our collection and recycling obligations based on the present value of the expected probability-weighted future cost of collecting and recycling the solar modules, which includes estimates for the cost of packaging materials; the cost of freight from the solar module installation sites to a recycling center; material, labor, and capital costs; the scale of recycling centers; and an estimated third-party profit margin and return on risk for collection and recycling services. We base these estimates on (i) our experience collecting and recycling our solar modules, (ii) the expected timing of when our solar modules will be returned for recycling, and (iii) the expected economic factors at the time the solar modules will be collected and recycled. In the periods between the time of sale and the related settlement of the collection and recycling obligation, we accrete the carrying amount of the associated liability by applying the discount rate used for its initial measurement. We classify accretion as an operating expense within “Selling, general and administrative” expense on our condensed consolidated statements of operations. We periodically review our estimates of expected future recycling costs and may adjust our liability accordingly.

Our module collection and recycling liability was $166.8 million and $166.6 million as of June 30, 2018 and December 31, 2017, respectively. As of June 30, 2018, a 1% increase in the annualized inflation rate used in our estimated future collection and recycling cost per module would increase our liability by $33.6 million, and a 1% decrease in that rate would decrease our liability by $28.2 million. See Note 5. “Restricted Cash and Investments” to our condensed consolidated financial statements for more information about our arrangements for funding this liability.

Legal Proceedings

Class Action

On March 15, 2012, a purported class action lawsuit titled Smilovits v. First Solar, Inc., et al., Case No. 2:12-cv-00555-DGC, was filed in the United States District Court for the District of Arizona (hereafter “Arizona District Court”) against the Company and certain of our current and former directors and officers. The complaint was filed on behalf of persons who purchased or otherwise acquired the Company’s publicly traded securities between April 30, 2008 and February 28, 2012 (the “Class Action”). The complaint generally alleges that the defendants violated Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 by making false and misleading statements regarding the Company’s financial performance and prospects. The action includes claims for damages, including interest, and an award of reasonable costs and attorneys’ fees to the putative class. The Company believes it has meritorious defenses and will vigorously defend this action.

On July 23, 2012, the Arizona District Court issued an order appointing as lead plaintiffs in the Class Action the Mineworkers’ Pension Scheme and British Coal Staff Superannuation Scheme (collectively, the “Pension Schemes”). The Pension Schemes filed an amended complaint on August 17, 2012, which contains similar allegations and seeks similar relief as the original complaint. Defendants filed a motion to dismiss on September 14, 2012. On December 17, 2012, the court denied defendants’ motion to dismiss. On October 8, 2013, the Arizona District Court granted the Pension Schemes’ motion for class certification, and certified a class comprised of all persons who purchased or otherwise acquired publicly traded securities of the Company between April 30, 2008 and February 28, 2012 and were damaged thereby, excluding defendants and certain related parties. Merits discovery closed on February 27, 2015.

Defendants filed a motion for summary judgment on March 27, 2015. On August 11, 2015, the Arizona District Court granted defendants’ motion in part and denied it in part, and certified an issue for immediate appeal to the Ninth Circuit Court of Appeals (the “Ninth Circuit”). First Solar filed a petition for interlocutory appeal with the Ninth Circuit, and that petition was granted on November 18, 2015. On May 20, 2016, the Pension Schemes moved to vacate the order granting the petition, dismiss the appeal, and stay the merits briefing schedule. On December 13, 2016, the Ninth Circuit denied the Pension Schemes’ motion. On January 31, 2018, the Ninth Circuit issued an opinion affirming the Arizona District Court’s order denying in part defendants’ motion for summary judgment. On March 16, 2018, First Solar filed a petition for panel rehearing or rehearing en banc with the Ninth Circuit. On May 7, 2018, the Ninth Circuit denied defendants’ petition. The case is now pending in the Arizona District Court.

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This lawsuit asserts claims that, if resolved against us, could give rise to substantial damages, and an unfavorable outcome or settlement may result in a significant monetary judgment or award against us or a significant monetary payment by us, and could have a material adverse effect on our business, financial condition, or results of operations. Even if this lawsuit is not resolved against us, the costs of defending the lawsuit may be significant, as may be the cost of any settlement, and would likely exceed the coverage limits of, or may not be covered by, our insurance policies. Given the need for further expert discovery, and the uncertainties of trial, at this time we are not in a position to assess the likelihood of any potential loss or adverse effect on our financial condition or to estimate the range of potential loss, if any.

Opt-Out Action

On June 23, 2015, a suit titled Maverick Fund, L.D.C. v. First Solar, Inc., et al., Case No. 2:15-cv-01156-ROS, was filed in Arizona District Court by putative stockholders that opted out of the Class Action. The complaint names the Company and certain of our current and former directors and officers as defendants, and alleges that the defendants violated Sections 10(b) and 20(a) of the Securities Exchange Act of 1934, and violated state law, by making false and misleading statements regarding the Company’s financial performance and prospects. The action includes claims for recessionary and actual damages, interest, punitive damages, and an award of reasonable attorneys’ fees, expert fees, and costs. The Company believes it has meritorious defenses and will vigorously defend this action.

First Solar and the individual defendants have not yet responded to the complaint. Accordingly, at this time we are not in a position to assess the likelihood of any potential loss or adverse effect on our financial condition or to estimate the range of potential loss, if any.

Derivative Actions

On April 3, 2012, a derivative action titled Tsevegmid v. Ahearn, et al., Case No. 1:12-cv-00417-CJB, was filed by a putative stockholder on behalf of the Company in the United States District Court for the District of Delaware (hereafter “Delaware District Court”) against certain current and former directors and officers of the Company, alleging breach of fiduciary duties and unjust enrichment. The complaint generally alleges that from June 1, 2008, to March 7, 2012, the defendants caused or allowed false and misleading statements to be made concerning the Company’s financial performance and prospects. The action includes claims for, among other things, damages in favor of the Company, certain corporate actions to purportedly improve the Company’s corporate governance, and an award of costs and expenses to the putative plaintiff stockholder, including attorneys’ fees. On April 10, 2012, a second derivative complaint was filed in the Delaware District Court. The complaint, titled Brownlee v. Ahearn, et al., Case No. 1:12-cv-00456-CJB, contains similar allegations and seeks similar relief to the Tsevegmid action. By court order on April 30, 2012, pursuant to the parties’ stipulation, the Tsevegmid action and the Brownlee action were consolidated into a single action in the Delaware District Court. On May 15, 2012, defendants filed a motion to challenge Delaware as the appropriate venue for the consolidated action. On March 4, 2013, the magistrate judge issued a Report and Recommendation recommending to the court that defendants’ motion be granted and that the case be transferred to the Arizona District Court. On July 12, 2013, the court adopted the magistrate judge’s Report and Recommendation and ordered the case transferred to the Arizona District Court. The transfer was completed on July 15, 2013.

On April 12, 2012, a derivative complaint was filed in the Arizona District Court, titled Tindall v. Ahearn, et al., Case No. 2:12-cv-00769-ROS. In addition to alleging claims and seeking relief similar to the claims and relief asserted in the Tsevegmid and Brownlee actions, the Tindall complaint alleges violations of Sections 14(a) and 20(b) of the Securities Exchange Act of 1934. On April 19, 2012, a second derivative complaint was filed in the Arizona District Court, titled Nederhood v. Ahearn, et al., Case No. 2:12-cv-00819-JWS. The Nederhood complaint contains similar allegations and seeks similar relief to the Tsevegmid and Brownlee actions. On May 17, 2012 and May 30, 2012, respectively, two additional derivative complaints, containing similar allegations and seeking similar relief as the Nederhood complaint, were filed in Arizona District Court: Morris v. Ahearn, et al., Case No. 2:12-cv-01031-JAT and Tan v. Ahearn, et al., 2:12-cv-01144-NVW.

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On July 17, 2012, the Arizona District Court issued an order granting First Solar’s motion to transfer the derivative actions to Judge David Campbell, the judge to whom the Class Action is assigned. On August 8, 2012, the court consolidated the four derivative actions pending in Arizona District Court, and on August 31, 2012, plaintiffs filed an amended complaint. Defendants filed a motion to stay the action on September 14, 2012. On December 17, 2012, the Arizona District Court granted defendants’ motion to stay pending resolution of the Class Action. On August 13, 2013, Judge Campbell consolidated the two derivative actions transferred from the Delaware District Court with the stayed Arizona derivative actions. On February 19, 2016, the Arizona District Court issued an order lifting the stay in part. Pursuant to the February 19, 2016 order, the plaintiffs filed an amended complaint on March 11, 2016, and defendants filed a motion to dismiss the amended complaint on April 1, 2016. On June 30, 2016, the Arizona District Court granted defendants’ motion to dismiss the insider trading and unjust enrichment claims with prejudice, and further granted defendants’ motion to dismiss the claims for alleged breaches of fiduciary duties with leave to amend. On July 15, 2016, plaintiffs filed a motion to reconsider certain aspects of the order granting defendants’ motion to dismiss. The Arizona District Court denied the plaintiffs’ motion for reconsideration on August 4, 2016. On July 15, 2016, plaintiffs filed a motion to intervene, lift the stay, and unseal documents in the Class Action. On September 30, 2016, the Arizona District Court denied plaintiffs’ motion. On October 17, 2016, plaintiffs filed a notice of appeal to the Ninth Circuit of the September 30, 2016 order (the “Intervention Appeal”). On October 27, 2016, plaintiffs filed a motion to extend the October 31, 2016 deadline to file an amended complaint. On November 29, 2016, the Arizona District Court denied plaintiffs’ request and directed the clerk to terminate the action. On January 23, 2017, the Arizona District Court entered judgment in favor of defendants and terminated the action. On January 27, 2017, plaintiffs filed a notice of appeal to the Ninth Circuit (the “Merits Appeal”). On January 22, 2018, the Ninth Circuit ruled in favor of First Solar in the Intervention Appeal, and dismissed that appeal. On June 13, 2018, the Ninth Circuit ruled in favor of First Solar in the Merits Appeal, and dismissed that appeal.

On July 16, 2013, a derivative complaint was filed in the Superior Court of Arizona, Maricopa County, titled Bargar, et al. v. Ahearn, et al., Case No. CV2013-009938, by a putative stockholder against certain current and former directors and officers of the Company (“Bargar”). The complaint contains similar allegations to the Delaware and Arizona derivative cases, and includes claims for, among other things, breach of fiduciary duties, insider trading, unjust enrichment, and waste of corporate assets. By court order on October 3, 2013, the Superior Court of Arizona, Maricopa County granted the parties’ stipulation to defer defendants’ response to the complaint pending resolution of the Class Action or expiration of the stay issued in the consolidated derivative actions in the Arizona District Court. On November 5, 2013, the matter was placed on the court’s inactive calendar. The parties have jointly sought and obtained multiple requests to continue the stay in this action. Most recently, on June 29, 2018, the court entered an order continuing the stay until November 30, 2018.

The Company believes that the plaintiff in the Bargar derivative action lacks standing to pursue litigation on behalf of First Solar. The Bargar derivative action is still in the initial stages and there has been no discovery. Accordingly, at this time we are not in a position to assess the likelihood of any potential loss or adverse effect on our financial condition or to estimate the range of potential loss, if any.

Other Matters and Claims

We are party to other legal matters and claims in the normal course of our operations. While we believe the ultimate outcome of such other matters and claims will not have a material adverse effect on our financial position, results of operations, or cash flows, the outcome of such matters and claims is not determinable with certainty, and negative outcomes may adversely affect us.

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12. Revenue from Contracts with Customers

The following table represents a disaggregation of revenue from contracts with customers for the three and six months ended June 30, 2018 and 2017 along with the reportable segment for each category (in thousands):

		Three Months Ended June 30,				Six Months Ended June 30,
Category	Segment	2018		2017		2018		2017
Solar modules	Modules	$	105,332	$	228,392	$	266,625	$	299,530
Solar power systems	Systems	109,659		340,036		464,069		1,092,518
EPC services	Systems	56,854		14,302		69,572		40,434
O&M services	Systems	24,427		24,964		51,141		49,660
Energy generation (1)	Systems	13,046		15,628		25,176		29,664
Module plus	Systems	—		4		—		3,311
Net sales		$	309,318	$	623,326	$	876,583	$	1,515,117

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(1) During the three and six months ended June 30, 2017, the majority of energy generated and sold by our PV solar power systems was accounted for under ASC 840 consistent with the classification of the associated PPAs.

We generally recognize revenue for sales of solar power systems and/or EPC services over time using cost based input methods, in which significant judgment is required to evaluate assumptions including the amount of net contract revenues and the total estimated costs to determine our progress towards contract completion and to calculate the corresponding amount of revenue to recognize. If the estimated total costs on any contract are greater than the net contract revenues, we recognize the entire estimated loss in the period the loss becomes known. The cumulative effect of revisions to estimates related to net contract revenues or costs to complete contracts are recorded in the period in which the revisions to estimates are identified and the amounts can be reasonably estimated.

Changes in estimates for sales of systems and EPC services occur for a variety of reasons, including but not limited to (i) construction plan accelerations or delays, (ii) module cost forecast changes, (iii) cost related change orders, or (iv) changes in other information used to estimate costs. Changes in estimates may have a material effect on our condensed consolidated statements of operations. The following table outlines the impact on revenue of net changes in estimated transaction prices and input costs for systems related sales contracts (both increases and decreases) for the three and six months ended June 30, 2018 and 2017 as well as the number of projects that comprise such changes. For purposes of the table, we only include projects with changes in estimates that have a net impact on revenue of at least $1.0 million during the periods presented with the exception of the sales and use tax matter described below, for which the aggregate change in estimate has been presented. Also included in the table is the net change in estimate as a percentage of the aggregate revenue for such projects.

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Number of projects (1)	1			3			23			5
(Decrease) increase in revenue from net changes in transaction prices (in thousands) (1)	$	(4,513	)	$	2,680		$	48,277		$	956
(Decrease) increase in revenue from net changes in input cost estimates (in thousands)	(12,160		)	3,400			(10,281		)	4,895
Net (decrease) increase in revenue from net changes in estimates (in thousands)	$	(16,673	)	$	6,080		$	37,996		$	5,851
Net change in estimate as a percentage of aggregate revenue for associated projects	(1.9		)%	1.3		%	0.4		%	0.7		%

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(1) During the six months ended June 30, 2018, we settled a tax examination with the state of California regarding several matters, including certain sales and use tax payments due under lump sum EPC contracts. Accordingly, we revised our estimates of sales and use taxes due for projects in the state of California, which affected the estimated transaction prices for such contracts, and recorded an increase to revenue of $54.6 million.

The following table reflects the changes in our contract assets, which we classify as “Accounts receivable, unbilled” or “Retainage,” and our contract liabilities, which we classify as “Deferred revenue,” for the six months ended June 30, 2018 (in thousands):

	June 30, 2018		December 31, 2017		Six Months Change
Accounts receivable, unbilled	$	175,753	$	172,594
Retainage	1,958		2,014
Accounts receivable, unbilled and retainage	$	177,711	$	174,608	$	3,103	2	%
Deferred revenue (1)	$	258,253	$	145,073	$	113,180	78	%

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(1) Includes $58.8 million and $63.3 million of long-term deferred revenue classified as “Other liabilities” on our condensed consolidated balance sheets as of June 30, 2018 and December 31, 2017, respectively.

Accounts receivable, unbilled represents a contract asset for revenue that has been recognized in advance of billing the customer, which is common for long-term construction contracts. Billing requirements vary by contract but are generally structured around the completion of certain construction milestones. Some of our EPC contracts for systems we build may also contain retainage provisions. Retainage represents a contract asset for the portion of the contract price earned by us for work performed, but held for payment by the customer as a form of security until we reach certain construction milestones. When we receive consideration, or such consideration is unconditionally due, from a customer prior to transferring goods or services to the customer under the terms of a sales contract, we record deferred revenue, which represents a contract liability. Such deferred revenue typically results from billings in excess of costs incurred on long-term construction contracts and advance payments received on sales of solar modules.

During the six months ended June 30, 2018, our contract assets increased by $3.1 million primarily due to certain unbilled receivables associated with the Rosamond project, which commenced construction in early 2018, partially offset by scheduled billings on the California Flats project. During the six months ended June 30, 2018, our contract liabilities increased by $113.2 million primarily as a result of advance payments received for sales of solar modules and certain EPC projects in Florida, partially offset by the completion of the sale of certain Japan projects, for which we collected the proceeds in 2017. During the six months ended June 30, 2018 and 2017, we recognized revenue of $55.0 million and $308.1 million, respectively, that was included in the corresponding contract liability balance at the beginning of the periods.

The following table represents our remaining performance obligations as of June 30, 2018 for sales of solar power systems, including uncompleted sold projects, projects under sales contracts subject to conditions precedent, and EPC agreements for partner developed projects that we are constructing or expect to construct. Such table excludes remaining performance obligations for any sales arrangements that had not fully satisfied the criteria to be considered a contract with a customer pursuant to the requirements of ASC 606. We expect to recognize $1.0 billion of revenue for such contracts through the later of the substantial completion or the closing dates of the projects.

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Project/Location	Project Size in MWAC	Revenue Category	EPC Contract/Partner Developed Project	Expected Year Revenue Recognition Will Be Completed	Percentage of Revenue Recognized
California Flats, California	280	Solar power systems	Capital Dynamics	2018	75%
Phoebe, Texas	250	EPC	Innergix Renewable Energy	2019	—%
Rosamond, California	150	Solar power systems	Contracted but not specified	2019	35%
Balm Solar, Florida	74	EPC	Tampa Electric Company	2018	16%
Payne Creek, Florida	70	EPC	Tampa Electric Company	2018	63%
Grange Hall, Florida	61	EPC	Tampa Electric Company	2019	—%
Peace Creek, Florida	55	EPC	Tampa Electric Company	2019	—%
Troy Solar, Indiana	51	EPC	Southern Indiana Gas and Electric Company	2020	—%
Total	991

As of June 30, 2018, we had entered into contracts with customers for the future sale of 8.3 GW_DC of solar modules for an aggregate transaction price of $3.0 billion. We expect to recognize such amounts as revenue through 2021 as we transfer control of the modules to customers, which typically occurs upon shipment or delivery depending on the terms of the underlying contracts. As of June 30, 2018, we had also entered into long-term O&M contracts covering approximately 7 GW_DC of utility-scale PV solar power systems. We expect to recognize $0.5 billion of revenue during the noncancelable term of these O&M contracts over a weighted-average period of 11.6 years.

13. Share-Based Compensation

The following table presents the share-based compensation expense recognized in our condensed consolidated statements of operations for the three and six months ended June 30, 2018 and 2017 (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Cost of sales	$	2,286	$	1,404	$	3,536	$	3,104
Selling, general and administrative	6,603		5,475		12,264		9,697
Research and development	1,639		1,460		3,064		2,589
Production start-up	56		32		372		32
Total share-based compensation expense	$	10,584	$	8,371	$	19,236	$	15,422

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The following table presents share-based compensation expense by type of award for the three and six months ended June 30, 2018 and 2017 (in thousands):

	Three Months Ended June 30,					Six Months Ended June 30,
	2018		2017			2018		2017
Restricted and performance stock units	$	9,588	$	8,192		$	17,993	$	14,210
Unrestricted stock	419		419			879		838
Stock purchase plan	—		34			—		394
	10,007		8,645			18,872		15,442
Net amount released from (absorbed into) inventory	577		(274		)	364		(20		)
Total share-based compensation expense	$	10,584	$	8,371		$	19,236	$	15,422

Share-based compensation expense capitalized in inventory was $1.7 million and $2.1 million as of June 30, 2018 and December 31, 2017, respectively. As of June 30, 2018, we had $61.2 million of unrecognized share-based compensation expense related to unvested restricted and performance stock units, which we expect to recognize over a weighted-average period of approximately 1.6 years.

In February 2017, the compensation committee of our board of directors approved a long-term incentive program for key executive officers and associates. The program is intended to incentivize retention of our key executive talent, provide a smooth transition from our former key senior talent equity performance program, and align the interests of executive management and stockholders. Specifically, the program consists of (i) performance stock units to be earned over an approximately three-year performance period beginning in March 2017 and (ii) stub-year grants of separate performance stock units to be earned over an approximately two-year performance period also beginning in March 2017. Vesting of the March 2017 performance stock units is contingent upon the relative attainment of target cost per watt and operating expense metrics. In April 2018, in continuation of our long-term incentive program for key executive officers and associates, the compensation committee of our board of directors approved additional grants of performance stock units to be earned over an approximately three-year performance period beginning in May 2018. Vesting of the May 2018 performance stock units is contingent upon the relative attainment of target gross margin, operating expense, and contracted revenue metrics. Vesting of performance stock units is also contingent upon the employment of program participants through the applicable vesting dates, with limited exceptions in case of death, disability, a qualifying retirement, or a change-in-control of First Solar. Performance stock units were included in the computation of diluted net income per share based on the number of shares that would be issuable if the end of the reporting period were the end of the contingency period.

14. Income Taxes

The Tax Act, enacted in December 2017, significantly revised U.S. tax law by, among other things, lowering the statutory federal corporate income tax rate from 35% to 21% for tax years beginning after December 31, 2017, eliminating certain deductions, imposing a one-time transition tax on certain accumulated earnings and profits of foreign corporate subsidiaries (the “transition tax”) that may electively be paid over eight years, introducing new tax regimes, and changing how foreign earnings are subject to U.S. tax. The Tax Act also includes many new provisions, such as changes to bonus depreciation, changes to deductions for executive compensation, net operating loss deduction limitations, a tax on global intangible low-taxed income (“GILTI”) earned by foreign corporate subsidiaries, a base erosion anti-abuse tax (“BEAT”), and a deduction for foreign-derived intangible income (“FDII”). We continue to evaluate the impact of the Tax Act on us.

In December 2017, the SEC issued Staff Accounting Bulletin No. 118 to (i) clarify certain aspects of accounting for income taxes under ASC 740 in the reporting period the Tax Act was signed into law when information is not yet available or complete and (ii) provide a measurement period up to one year to complete the accounting for the Tax Act. We have not completed our accounting for the Tax Act but have, in certain cases, made reasonable estimates of the effects of the Tax Act. In other cases, we have not been able to make a reasonable estimate of such tax effects and have

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continued to account for the affected items, including state income taxes to the extent there is uncertainty regarding conformity to the federal tax system, based on previous tax laws. In all cases, we will continue to make and refine our estimates as additional analysis is completed. Our estimates may also be refined as we gain a more thorough understanding of the tax law. Any changes to our provisional estimates could be material to income tax expense.

As a result of the Tax Act, we remeasured certain deferred tax assets and liabilities based on the tax rate applicable to when the temporary differences are expected to reverse in the future, which is generally 21%, and recorded a provisional tax expense of $6.6 million for the year ended December 31, 2017. No adjustments to this provisional amount were made during the three and six months endedJune 30, 2018. We continue to evaluate certain aspects of the Tax Act, which could potentially affect the remeasurement of these deferred tax balances and result in additional tax expense.

The transition tax was based on our total post-1986 foreign earnings and profits, which we had deferred from U.S. income taxes under previous tax law. We estimated and recorded a provisional transition tax expense of $401.5 million for the year ended December 31, 2017. No adjustments to this provisional amount were made during the three and six months endedJune 30, 2018. As we continue gathering additional information to finalize our calculations of post-1986 foreign earnings and profits previously deferred from U.S. income taxes, the provisional amount may change. We have not completed our accounting for the transition tax, and as we finalize and complete our plans for the reinvestment or repatriation of unremitted foreign earnings and are able to calculate the resulting tax effects, we expect to record such tax effects, if any, and disclose such plans within the measurement period.

The Tax Act subjects a U.S. shareholder to tax on GILTI earned by foreign corporate subsidiaries. Because of the complexity of the new GILTI, BEAT, and FDII provisions of the Tax Act and different aspects of our estimated future results of global operations, we continue to evaluate the effects of the GILTI provisions and have not yet determined our accounting policy election to (i) record taxes due on future U.S. inclusions in taxable income related to GILTI as a current-period expense when incurred (the “period cost method”) or (ii) factor such amounts into our measurement of deferred income taxes (the “deferred method”). Based on our evaluation, we included an estimate of the tax on GILTI in our effective tax rate for the six months endedJune 30, 2018 but did not recognize additional GILTI on deferred items. We expect to complete our accounting for the GILTI provisions of the Tax Act and make a corresponding accounting policy election within the prescribed measurement period.

The BEAT provisions of the Tax Act impose a minimum tax related to certain deductible payments made to related foreign persons. In addition, the Tax Act disallows certain interest and royalty deductions for payments made to related parties depending on their countries’ tax treatment of the payments. The new FDII provision allows a U.S. corporation to deduct 37.5% of its foreign-derived intangible income. We evaluated the impact of the BEAT and FDII provisions of the Tax Act on our expected 2018 operating results and expect such impact to be immaterial.

Our effective tax rate was 345.0% and (135.6)% for the six months ended June 30, 2018 and 2017, respectively. The increase in our effective tax rate was primarily driven by losses in certain jurisdictions for which no tax benefit could be recorded and the relative size of our pretax income in the current period, a discrete tax benefit in 2017 associated with the acceptance of our election to classify certain of our German subsidiaries as disregarded entities of First Solar, Inc., and changes in certain of our uncertain tax positions, including interest and penalties, partially offset by excess tax benefits associated with share-based compensation. Our provision for income taxes differed from the amount computed by applying the U.S. statutory federal income tax rate of 21% primarily due to losses in certain jurisdictions for which no tax benefit could be recorded and changes in certain of our uncertain tax positions, including interest and penalties, partially offset by the beneficial impact of our Malaysian tax holiday and excess tax benefits associated with share-based compensation.

Our Malaysian subsidiary has been granted a long-term tax holiday that expires in 2027. The tax holiday, which generally provides for a full exemption from Malaysian income tax, is conditional upon our continued compliance with certain employment and investment thresholds, which we are currently in compliance with and expect to continue to comply with through the expiration of the tax holiday in 2027.

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We account for uncertain tax positions pursuant to the recognition and measurement criteria under ASC 740. It is reasonably possible that $9.4 million of uncertain tax positions will be recognized within the next 12 months due to the expiration of the statute of limitations associated with such positions.

We are subject to audit by U.S. federal, state, local, and foreign tax authorities. We are currently under examination in India, Chile, and the state of California. We believe that adequate provisions have been made for any adjustments that may result from tax examinations. However, the outcome of tax audits cannot be predicted with certainty. If any issues addressed by our tax audits are not resolved in a manner consistent with our expectations, we could be required to adjust our provision for income taxes in the period such resolution occurs.

15. Net (Loss) Income per Share

Basic net (loss) income per share is computed by dividing net (loss) income by the weighted-average number of common shares outstanding for the period. Diluted net income per share is computed giving effect to all potentially dilutive common shares, including restricted and performance stock units and stock purchase plan shares, unless there is a net loss for the period. In computing diluted net income per share, we utilize the treasury stock method.

The calculation of basic and diluted net (loss) income per share for the three and six months ended June 30, 2018 and 2017 was as follows (in thousands, except per share amounts):

	Three Months Ended June 30,					Six Months Ended June 30,
	2018			2017		2018		2017
Basic net (loss) income per share
Numerator:
Net (loss) income	$	(48,491	)	$	51,963	$	34,460	$	61,092
Denominator:
Weighted-average common shares outstanding	104,776			104,338		104,664		104,221
Diluted net (loss) income per share
Denominator:
Weighted-average common shares outstanding	104,776			104,338		104,664		104,221
Effect of restricted and performance stock units and stock purchase plan shares	—			273		1,570		290
Weighted-average shares used in computing diluted net (loss) income per share	104,776			104,611		106,234		104,511
Net (loss) income per share:
Basic	$	(0.46	)	$	0.50	$	0.33	$	0.59
Diluted	$	(0.46	)	$	0.50	$	0.32	$	0.58

The following table summarizes the potential shares of common stock that were excluded from the computation of diluted net income per share for the three and six months ended June 30, 2018 and 2017 as such shares would have had an anti-dilutive effect (in thousands):

	Three Months Ended June 30,		Six Months Ended June 30,
	2018	2017	2018	2017
Anti-dilutive shares	1,943	245	290	291

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16. Accumulated Other Comprehensive (Loss) Income

Accumulated other comprehensive income or loss includes foreign currency translation adjustments, unrealized gains and losses on available-for-sale debt securities, and unrealized gains and losses on derivative instruments designated and qualifying as cash flow hedges. The following table presents the changes in accumulated other comprehensive (loss) income, net of tax, for the six months ended June 30, 2018 (in thousands):

	Foreign Currency Translation Adjustment			Unrealized Gain (Loss) on Marketable Securities and Restricted Investments			Unrealized Gain (Loss) on Derivative Instruments			Total
Balance as of December 31, 2017	$	(65,346	)	$	68,388		$	(783	)	$	2,259
Other comprehensive (loss) income before reclassifications	(9,045		)	(9,096		)	1,201			(16,940		)
Amounts reclassified from accumulated other comprehensive (loss) income	—			(19,473		)	1,744			(17,729		)
Net tax effect	—			3,151			(978		)	2,173
Net other comprehensive (loss) income	(9,045		)	(25,418		)	1,967			(32,496		)
Balance as of June 30, 2018	$	(74,391	)	$	42,970		$	1,184		$	(30,237	)

The following table presents the pretax amounts reclassified from accumulated other comprehensive (loss) income into our condensed consolidated statements of operations for the three and six months ended June 30, 2018 and 2017 (in thousands):

Comprehensive Income Components	Income Statement Line Item	Three Months Ended June 30,					Six Months Ended June 30,
		2018			2017		2018			2017
Unrealized gain on marketable securities and restricted investments	Other (loss) income, net	$	3		$	3	$	19,473		$	49
Unrealized loss on derivative contracts:
Foreign exchange forward contracts	Net sales	(1,744		)	—		(1,744		)	—
Total amount reclassified		$	(1,741	)	$	3	$	17,729		$	49

17. Segment Reporting

We operate our business in two segments. Our modules segment involves the design, manufacture, and sale of cadmium telluride (“CdTe”) solar modules, which convert sunlight into electricity. Third-party customers of our modules segment include integrators and operators of PV solar power systems. Our second segment is our fully integrated systems segment, through which we provide complete turn-key PV solar power systems, or solar solutions, that draw upon our capabilities, which include (i) project development, (ii) EPC services, and (iii) O&M services. We may provide our full EPC services or any combination of individual products and services within our EPC capabilities depending upon the customer and market opportunity. All of our systems segment products and services are for PV solar power systems, which primarily use our solar modules, and we sell such products and services to utilities, independent power producers, commercial and industrial companies, and other system owners. Additionally within our systems segment, we may temporarily own and operate certain of our systems for a period of time based on strategic opportunities or market factors.

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Beginning with the three months ended December 31, 2017, we changed the composition of our reportable segments to align with revisions to our internal reporting structure and long-term strategic plans. As a result of this change, our modules segment, which was historically referred to as our components segment, includes module sales to third parties and excludes any module sales to our systems segment. Previously, we included an allocation of net sales value for all solar modules manufactured by our modules segment and installed in projects sold or built by our systems segment in the net sales of our modules segment. Our systems segment now includes all net sales from the sale of solar power systems and related products and services, including any modules installed in such systems and any revenue from energy generated by such systems. All prior period balances were revised to conform to the current year presentation. See Note 22. “Segment and Geographical Information” in our Annual Report on Form 10-K for the year ended December 31, 2017 for a complete discussion of our segment reporting.

The following tables present certain financial information for our reportable segments for the three and six months ended June 30, 2018 and 2017 and as of June 30, 2018 and December 31, 2017 (in thousands):

	Three Months Ended June 30, 2018								Three Months Ended June 30, 2017
	Modules			Systems		Total			Modules		Systems		Total
Net sales	$	105,332		$	203,986	$	309,318		$	228,392	$	394,934	$	623,326
Gross (loss) profit	(26,551		)	18,493		(8,058		)	39,137		71,756		110,893
Depreciation and amortization expense	18,014			4,817		22,831			15,877		6,418		22,295
	Six Months Ended June 30, 2018								Six Months Ended June 30, 2017
	Modules			Systems		Total			Modules		Systems		Total
Net sales	$	266,625		$	609,958	$	876,583		$	299,530	$	1,215,587	$	1,515,117
Gross (loss) profit	(16,273		)	181,013		164,740			49,272		145,805		195,077
Depreciation and amortization expense	27,263			10,095		37,358			38,376		12,316		50,692
	June 30, 2018								December 31, 2017
	Modules			Systems		Total			Modules		Systems		Total
Goodwill	$	14,462		$	—	$	14,462		$	14,462	$	—	$	14,462

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Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations

Cautionary Statement Regarding Forward-Looking Statements

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and the Securities Act of 1933, as amended (the “Securities Act”), which are subject to risks, uncertainties, and assumptions that are difficult to predict. All statements in this Quarterly Report on Form 10-Q, other than statements of historical fact, are forward-looking statements. These forward-looking statements are made pursuant to safe harbor provisions of the Private Securities Litigation Reform Act of 1995. The forward-looking statements include statements, among other things, concerning: effects resulting from certain module manufacturing changes and associated restructuring activities; our business strategy, including anticipated trends and developments in and management plans for our business and the markets in which we operate; future financial results, operating results, revenues, gross margin, operating expenses, products, projected costs (including estimated future module collection and recycling costs), warranties, solar module technology and cost reduction roadmaps, restructuring, product reliability, equity method investments, and capital expenditures; our ability to continue to reduce the cost per watt of our solar modules; the impact of public policies, such as tariffs or other trade remedies imposed on solar cells and modules; effects resulting from pending litigation; our ability to expand manufacturing capacity worldwide; our ability to reduce the costs to develop and construct PV solar power systems; research and development (“R&D”) programs and our ability to improve the conversion efficiency of our solar modules; sales and marketing initiatives; and competition. In some cases, you can identify these statements by forward-looking words, such as “estimate,” “expect,” “anticipate,” “project,” “plan,” “intend,” “seek,” “believe,” “forecast,” “foresee,” “likely,” “may,” “should,” “goal,” “target,” “might,” “will,” “could,” “predict,” “continue,” and the negative or plural of these words, and other comparable terminology.

Forward-looking statements are only predictions based on our current expectations and our projections about future events. All forward-looking statements included in this Quarterly Report on Form 10-Q are based upon information available to us as of the filing date of this Quarterly Report on Form 10-Q and therefore speak only as of the filing date. You should not place undue reliance on these forward-looking statements. We undertake no obligation to update any of these forward-looking statements for any reason, whether as a result of new information, future developments, or otherwise. These forward-looking statements involve known and unknown risks, uncertainties, and other factors that may cause our actual results, levels of activity, performance, or achievements to differ materially from those expressed or implied by these statements. These factors include, but are not limited to, the matters discussed in Item 1A. “Risk Factors” of our Annual Report on Form 10-K for the year ended December 31, 2017, elsewhere in this Quarterly Report on Form 10-Q, and our other reports filed with the SEC. You should carefully consider the risks and uncertainties described under these sections.

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with our condensed consolidated financial statements and the related notes thereto included in this Quarterly Report on Form 10-Q. When referring to our manufacturing capacity, total sales, and solar module sales, the unit of electricity in watts for megawatts (“MW”) and gigawatts (“GW”) is direct current (“DC” or “_DC”) unless otherwise noted. When referring to our projects or systems, the unit of electricity in watts for MW and GW is alternating current (“AC” or “_AC”) unless otherwise noted.

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Executive Overview

We are a leading global provider of comprehensive PV solar energy solutions. We design, manufacture, and sell PV solar modules with an advanced thin film semiconductor technology and also develop, design, construct, and sell PV solar power systems that primarily use the modules we manufacture. Additionally, we provide O&M services to system owners. We have substantial, ongoing R&D efforts focused on module and system-level innovations. We are the world’s largest thin film PV solar module manufacturer and one of the world’s largest PV solar module manufacturers. Our mission is to provide cost-advantaged solar technology through innovation, customer engagement, industry leadership, and operational excellence.

Certain of our financial results and other key operational developments for the three months ended June 30, 2018 include the following:

• Net sales for the three months ended June 30, 2018decreased by 50% to $309.3 million compared to $623.3 million for the same period in 2017. The decrease in net sales was primarily due to the sale of the Switch Station projects during the three months ended June 30, 2017 and a decrease in third-party module sales, partially offset by ongoing construction activities at the Rosamond, Payne Creek, and California Flats projects.

• Gross profit for the three months ended June 30, 2018decreased20.4 percentage points to (2.6)% from 17.8% for the same period in 2017. The decrease in gross profit was primarily due to higher under-utilization charges associated with the initial ramp of certain Series 6 manufacturing lines, a mix of lower gross profit projects sold or under construction during the period, and reductions in the average selling price per watt of our modules sold directly to third parties.

• As of June 30, 2018, we had 4.0 GW of installed annual production capacity at our manufacturing facilities in Perrysburg, Ohio and Kulim, Malaysia. We produced 0.6 GW of solar modules during the three months ended June 30, 2018, which was consistent with the same period in 2017. We expect to produce approximately 2.8 GW of solar modules during 2018, including 0.8 GW of Series 6 modules.

• In April 2018, we commenced commercial production of Series 6 modules at our manufacturing facility in Perrysburg, Ohio. In June 2018, we completed certain internal qualification procedures at our Series 6 manufacturing facility in Kulim, Malaysia, and in July 2018, we commenced commercial production of Series 6 modules at the facility. We also expect to commence commercial production of Series 6 modules at our Ho Chi Minh City, Vietnam manufacturing facility later in 2018.

Market Overview

The solar industry continues to be characterized by intense pricing competition, both at the module and system levels. In particular, module average selling prices in global markets have experienced an accelerated decline in recent periods and are expected to continue to decline to some degree in the future. In the aggregate, we believe manufacturers of solar cells and modules have significant installed production capacity, relative to global demand, and the ability for additional capacity expansion. We believe the solar industry may from time to time experience periods of structural imbalance between supply and demand (i.e., where production capacity exceeds global demand), and that such periods will continue to put pressure on pricing. We believe the solar industry is currently in such a period, due in part to recent developments in China, which include feed-in-tariff reductions causing deferment of in-country project development. Additionally, intense competition at the system level may result in an environment in which pricing falls rapidly, thereby further increasing demand for solar energy solutions but constraining the ability for project developers, EPC companies, and vertically-integrated solar companies such as First Solar to sustain meaningful and consistent profitability. In light of such market realities, we are focusing on our strategies and points of differentiation, which include our advanced module and system technologies, our manufacturing process, our vertically-integrated business model, our financial viability, and the sustainability advantage of our modules and systems.

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Global solar markets continue to develop, in part aided by demand elasticity resulting from declining industry average selling prices, both at the module and system levels, which make solar power more affordable. We are developing, constructing, and operating multiple solar projects around the world as we continue to execute on our advanced-stage utility-scale project pipeline. We expect a significant portion of our future consolidated net sales, operating income, and cash flows to be derived from such projects. We also continue to develop our early-to-mid-stage project pipeline and evaluate acquisitions of projects to further expand both our early-to-mid-stage and advanced-stage project pipelines. See the tables under “Management’s Discussion and Analysis of Financial Condition and Results of Operations – Systems Project Pipeline” for additional information about projects within our advanced-stage project pipeline.

Lower industry module and system pricing, while currently challenging for certain module manufacturers (particularly manufacturers with higher cost structures), is expected to continue to contribute to diversification in global electricity generation and further demand for solar energy solutions. Over time, we believe that solar energy generation will experience widespread adoption as it competes economically with traditional forms of energy generation. In the near term, however, declining average selling prices are expected to adversely affect our results of operations relative to prior years. If competitors reduce pricing to levels below their costs; bid aggressively low prices for module sale agreements, EPC agreements, and PPAs; or are able to operate at minimal or negative operating margins for sustained periods of time, our results of operations could be further adversely affected. In certain markets in California and elsewhere, an oversupply imbalance at the grid level may further reduce short-to-medium term demand for new solar installations relative to prior years, lower PPA pricing, and lower margins on module and system sales to such markets. We continue to mitigate these uncertainties in part by executing on our module technology improvements, including our transition to Series 6 module manufacturing, continuing the development of key markets, and implementing certain other cost reduction initiatives, including both manufacturing, BoS, and other operating costs.

We face intense competition from manufacturers of crystalline silicon solar modules and developers of solar power projects. Solar module manufacturers compete with one another on price and on several module value attributes, including conversion efficiency, energy yield, and reliability, and developers of systems compete on various factors such as net present value, return on equity, and levelized cost of electricity (“LCOE”), meaning the net present value of a system’s total life cycle costs divided by the quantity of energy that is expected to be produced over the system’s life. As noted above, competition on the basis of selling price per watt has intensified in recent periods, which has contributed to declines in module average selling prices in several key markets. Many crystalline silicon cell and wafer manufacturers continue to transition from lower efficiency Back Surface Field (“BSF”) multi-crystalline cells (the legacy technology against which we have generally competed in our markets) to higher efficiency Passivated Emitter Rear Contact (“PERC”) multi-crystalline and mono-crystalline cells at competitive cost structures.

Additionally, while conventional solar modules, including the solar modules we produce, are monofacial, meaning their ability to produce energy is a function of direct and diffuse irradiance on their front side, certain manufacturers of mono-crystalline PERC solar modules are pursuing the commercialization of bifacial modules that also capture diffuse irradiance on the back side of a module. We believe the cost effective manufacture of bifacial PERC modules is being enabled by the expansion of inexpensive crystal growth and diamond wire saw capacity in China. Bifaciality compromises nameplate efficiency, but by converting both front and rear side irradiance, such technology can improve the overall energy production of a module relative to nameplate efficiency when applied in certain applications and BoS configurations, which could potentially lower the overall LCOE of a system when compared to systems using conventional solar modules, including the modules we produce.

We believe we are among the lowest cost module manufacturers in the solar industry on a module cost per watt basis, based on publicly available information. This cost competitiveness allows us to compete favorably in markets where pricing for modules and fully integrated PV solar power systems is highly competitive. Our cost competitiveness is based in large part on our module conversion efficiency, proprietary manufacturing technology (which enables us to produce a CdTe module in less than 3.5 hours using a continuous and highly automated industrial manufacturing process, as opposed to a batch process), and our operational excellence. In addition, our CdTe modules use approximately 1-2% of the amount of semiconductor material that is used to manufacture traditional crystalline silicon solar modules. The cost of polysilicon is a significant driver of the manufacturing cost of crystalline silicon solar modules, and the timing

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and rate of change in the cost of silicon feedstock and polysilicon could lead to changes in solar module pricing levels. Polysilicon costs have declined in recent years, and polysilicon consumption per cell has been reduced through various initiatives, such as the adoption of diamond wire saw technology, contributing to a decline in our relative manufacturing cost competitiveness over traditional crystalline silicon module manufacturers.

Given the smaller size (sometimes referred to as form factor) of our Series 4 modules compared to certain types of crystalline silicon modules, we may incur higher labor and BoS costs associated with the construction of systems using our Series 4 modules. Thus, to compete effectively on an LCOE basis, our Series 4 modules may need to maintain a certain cost advantage per watt compared to crystalline silicon-based modules with larger form factors. Our next generation Series 6 modules have a larger form factor along with better product attributes and a lower manufacturing cost structure. Accordingly, the larger form factor and design of our Series 6 modules is expected to reduce the number of electrical connections and hardware required for system installation. The resulting labor and material savings are expected to represent a significant improvement compared to current technologies and a substantial reduction in total installed system costs resulting in improved project returns as BoS costs represent a significant portion of the costs associated with the construction of a typical utility-scale system.

In terms of energy yield, in many climates, our CdTe modules provide a significant energy production advantage over most conventional crystalline silicon solar modules (including BSF and PERC technologies) of equivalent efficiency rating. For example, our CdTe solar modules provide a superior temperature coefficient, which results in stronger system performance in typical high insolation climates as the majority of a system’s generation, on average, occurs when module temperatures are well above 25°C (standard test conditions). In addition, our CdTe modules provide a superior spectral response in humid environments where atmospheric moisture alters the solar spectrum relative to laboratory standards. Our CdTe solar modules also provide a better shading response than conventional crystalline silicon solar modules, which may lose up to three times as much power as CdTe solar modules when shading occurs. As a result of these and other factors, our PV solar power systems typically produce more annual energy in real world field conditions than competing systems with the same nameplate capacity.

While our modules and systems are generally competitive in cost, reliability, and performance attributes, there can be no guarantee such competitiveness will continue to exist in the future to the same extent or at all. Any declines in the competitiveness of our products could result in additional margin compression, further declines in the average selling prices of our modules and systems, erosion in our market share for modules and systems, and/or declines in overall net sales. We continue to focus on enhancing the competitiveness of our solar modules and systems by accelerating progress along our module technology and cost reduction roadmaps, continuing to make technological advances at the system level, using innovative installation techniques and know-how, and leveraging volume procurement around standardized hardware platforms.

Certain Trends and Uncertainties

We believe that our operations may be favorably or unfavorably impacted by the following trends and uncertainties that may affect our financial condition and results of operations. See Item 1A. “Risk Factors” of our Annual Report on Form 10-K for the year ended December 31, 2017, our Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2018, and Item 1A. of this Quarterly Report on Form 10-Q for discussions of other risks (the “Risk Factors”) that may affect our financial condition and results of operations.

Our long-term strategic plans are focused on our goal to create long-term shareholder value through a balance of growth, profitability, and liquidity. In executing such plans, we are focusing on providing utility-scale PV solar energy solutions using our modules in key geographic markets that we believe have a compelling need for mass-scale PV electricity, including markets throughout the Americas, the Asia-Pacific region, and certain other strategic markets. Additionally, we are focusing on opportunities in which our PV solar energy solutions can compete directly with traditional forms of energy generation on an LCOE or similar basis, or complement such generation offerings. Our focus on our core module and utility-scale offerings exists within a current market environment that includes rooftop and distributed generation solar, particularly in the United States. While it is unclear how rooftop and distributed generation solar might

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impact our core utility-scale based offerings in the next several years, we believe that utility-scale solar will continue to be a compelling solar offering for companies with technology and cost leadership and will continue to represent an increasing portion of the overall electricity generation mix. Additionally, our ability to provide utility-scale offerings on economically attractive terms depends, in part, on certain market factors outside of our control, such as interest rate fluctuations, domestic or international trade policies, and government support programs. Adverse changes in these factors could increase the cost of utility-scale systems, which could reduce demand for such systems and limit the number of potential buyers.

We are closely evaluating and managing the appropriate level of resources required as we pursue the most advantageous and cost effective projects and partnerships in our key markets. We have dedicated, and intend to continue to dedicate, significant capital and human resources to reduce the total installed cost of PV solar energy, to optimize the design and logistics around our PV solar energy solutions, and to ensure that our solutions integrate well into the overall electricity ecosystem of each specific market. We expect that, over time, the majority of our consolidated net sales, operating income, and cash flows will come from solar offerings in the key geographic markets described above. The timing, execution, and financial impacts of our long-term strategic plans are subject to risks and uncertainties, as described in the Risk Factors. We are focusing our resources in those markets and energy applications in which solar power can be a least-cost, best-fit energy solution, particularly in regions with significant current or projected electricity demand, relatively high existing electricity prices, strong demand for renewable energy generation, and high solar resources.

Creating or maintaining a market position in certain strategically targeted markets and energy applications also requires us to adapt to new and changing market conditions. For example, our offerings from time to time may need to be competitively priced at levels associated with minimal gross profit margins, which may adversely affect our results of operations. We expect the profitability associated with our various sales offerings to vary from one another over time, and possibly vary from our internal long-range profitability expectations and targets, depending on the market opportunity and the relative competitiveness of our offerings compared with other energy solutions, traditional or otherwise, that are available to potential customers. In addition, as we execute on our long-term strategic plans, we will continue to monitor and adapt to any changing dynamics in emerging technologies, such as commercially viable energy storage solutions, which are expected to further enable PV solar power systems to compete with traditional forms of energy generation by shifting the delivery of energy generated by such systems to periods of greater demand. Storage solutions continue to evolve in terms of technology and cost, and global deployments of storage capacity are expected to exceed 100 GW by 2030, representing a significant increase in the potential market for renewable energy. We will also continue to monitor and adapt to changing dynamics in the market set of potential buyers of solar projects. Market environments with few potential project buyers and a higher cost of capital would generally exert downward pressure on the potential revenue from the solar projects we are developing, whereas, conversely, market environments with many potential project buyers and a lower cost of capital would likely have a favorable impact on the potential revenue from such solar projects.

On occasion, we may temporarily own and operate certain systems with the intention to sell them at a later date. We may also elect to construct and temporarily retain ownership interests in partially contracted or uncontracted systems for which there is a partial or no PPA with an off-taker, such as a utility, but rather an intent to sell a portion of or all the electricity produced by the system on an open contract basis until the system is sold. Expected revenue from projects without a PPA for the full offtake of the system is subject to greater variability and uncertainty based on market factors and is typically lower than projects with a PPA for the full offtake of the system. Additionally, our joint ventures and other business arrangements with strategic partners have and may in the future result in us temporarily retaining a noncontrolling ownership interest in the underlying systems projects we develop, supply modules to, or construct, potentially for a period of up to several years. In each of the above mentioned examples, we may retain such ownership interests in a consolidated or unconsolidated separate entity.

We continually evaluate forecasted global demand, competition, and our addressable market and seek to effectively balance manufacturing capacity with market demand and the nature and extent of our competition. In July 2017, we announced plans to utilize our previously idled Vietnamese manufacturing plant for production of our next generation Series 6 modules. In December 2017, we subsequently announced plans to construct a second and identical Series 6

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manufacturing plant adjacent to our existing Vietnamese manufacturing plant. In April 2018, we announced plans to construct an additional Series 6 manufacturing plant in Lake Township, Ohio, a short distance from our manufacturing plant in Perrysburg, Ohio. Our Vietnamese plants, recently announced second U.S. plant, and any other potential investments to add or otherwise modify our manufacturing capacity in response to market demand and competition may require significant internal and possibly external sources of liquidity and may be subject to certain risks and uncertainties described in the Risk Factors, including those described under the headings “Our future success depends on our ability to effectively balance manufacturing production with market demand, convert existing production facilities to support new product lines, such as our transition to Series 6 module manufacturing, and, when necessary, continue to build new manufacturing plants over time in response to such demand and add production lines in a cost-effective manner, all of which are subject to risks and uncertainties” and “If any future production lines are not built in line with our committed schedules, it may impair any future growth plans. If any future production lines do not achieve operating metrics similar to our existing production lines, our solar modules could perform below expectations and cause us to lose customers.”

Systems Project Pipeline

The following tables summarize, as of July 26, 2018, our approximately 2.6 GW advanced-stage project pipeline. The actual volume of modules installed in our projects will be greater than the project size in MW_AC as module volumes required for a project are based upon MW_DC, which will be greater than the MW_AC size pursuant to a DC-AC ratio typically ranging from 1.2 to 1.3. Such ratio varies across different projects due to various system design factors. Projects are typically removed from our advanced-stage project pipeline tables below once we substantially complete construction of the project and after substantially all of the associated project revenue is recognized. Projects, or portions of projects, may also be removed from the tables below in the event an EPC-contracted or partner-developed project does not obtain permitting or financing, a project is not able to be sold due to the changing economics of the project or other factors, or we decide to temporarily own and operate, or retain interests in, such project based on strategic opportunities or market factors.

Projects under Sales Agreements

(Includes uncompleted sold projects, projects under sales contracts subject to conditions precedent, and EPC agreements, including partner developed projects that we will be or are constructing.)

Project/Location	Project Size in MWAC	PPA Contracted Partner	EPC Contract/Partner Developed Project	Expected Year Revenue Recognition Will Be Completed	% of Revenue Recognized as of June 30, 2018
California Flats, California	280	PG&E / Apple (1)	Capital Dynamics	2018	75%
Phoebe, Texas	250	Shell Energy North America	Innergix Renewable Energy	2019	—%
Twiggs County Solar, Georgia	200	Georgia Power Company	Origis Holdings USA	2020	—%
Rosamond, California	150	SCE	(3)	2019	35%
Balm Solar, Florida	74	(2)	Tampa Electric Company	2018	16%
Payne Creek, Florida	70	(2)	Tampa Electric Company	2018	63%
Grange Hall, Florida	61	(2)	Tampa Electric Company	2019	—%
Peace Creek, Florida	55	(2)	Tampa Electric Company	2019	—%
Troy Solar, Indiana	51	(2)	Southern Indiana Gas and Electric Company	2020	—%
Manildra, Australia	49	EnergyAustralia	New Energy Solar	2018	—%
Total	1,240

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Projects with Executed PPAs Not Under Sales Agreements

Project/Location	Project Size in MWAC	PPA Contracted Partner	Fully Permitted	Expected or Actual Substantial Completion Year	% Complete as of June 30, 2018
Sun Streams, Arizona	150	SCE	Yes	2019	14%
Southwestern U.S.	150	(3)	Yes	2020/2021	4%
Luz del Norte, Chile	141	(4)	Yes	2016	100%
American Kings Solar, California	123	SCE	No	2020	16%
Willow Springs, California	100	SCE	Yes	2018	35%
Sunshine Valley, Nevada	100	SCE	Yes	2019	4%
Japan (multiple locations)	89	(5)	No	2019/2020	26%
Beryl, Australia	87	(6)	Yes	2019	31%
Willow Springs 3, California	75	(3)	Yes	2021	7%
Seabrook, South Carolina	73	South Carolina Electric and Gas Company	No	2020	3%
Sun Streams PVS, Arizona	65	APS	No	2020	2%
Ishikawa, Japan	59	Hokuriku Electric Power Company	Yes	2018	75%
Little Bear, California	40	Marin Clean Energy (7)	No	2020	5%
Miyagi, Japan	40	Tohoku Electric Power Company	Yes	2021	12%
India (multiple locations)	40	(8)	Yes	2017	100%
Total	1,332

——————————

(1) PG&E – 150 MW_AC and Apple Energy, LLC – 130 MW_AC 

(2) Utility-owned generation

(3) Contracted but not specified

(4) Approximately 70 MW_AC of the plant’s capacity is contracted under PPAs

(5) Hokuriku Electric Power Company and Tokyo Electric Power Company

(6) Approximately 55 MW_AC of the plant’s capacity is contracted with Transport for NSW

(7) Expandable to 160 MW_AC, subject to satisfaction of certain PPA contract conditions

(8) Gulbarga Electricity Supply Co. – 20 MW_AC and Chamundeshwari Electricity Supply Co. – 20 MW_AC 

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Results of Operations

The following table sets forth our condensed consolidated statements of operations as a percentage of net sales for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Net sales	100.0	%	100.0	%	100.0	%	100.0	%
Cost of sales	102.6	%	82.2	%	81.2	%	87.1	%
Gross (loss) profit	(2.6	)%	17.8	%	18.8	%	12.9	%
Selling, general and administrative	16.4	%	7.9	%	10.5	%	6.4	%
Research and development	6.6	%	3.4	%	4.6	%	2.9	%
Production start-up	7.9	%	1.3	%	7.0	%	0.6	%
Restructuring and asset impairments	—	%	2.9	%	—	%	2.5	%
Operating (loss) income	(33.5	)%	2.2	%	(3.4	)%	0.4	%
Foreign currency gain (loss), net	0.8	%	(0.4	)%	—	%	(0.1	)%
Interest income	5.5	%	1.2	%	3.3	%	0.9	%
Interest expense, net	(2.0	)%	(1.0	)%	(1.3	)%	(1.0	)%
Other (loss) income, net	(1.4	)%	(0.4	)%	1.6	%	1.5	%
Income tax benefit (expense)	2.0	%	6.4	%	(0.6	)%	2.3	%
Equity in earnings, net of tax	13.0	%	0.3	%	4.4	%	0.1	%
Net (loss) income	(15.7	)%	8.3	%	3.9	%	4.0	%

Segment Overview

We operate our business in two segments. Our modules segment involves the design, manufacture, and sale of CdTe solar modules to third parties, and our systems segment includes the development, construction, operation, maintenance, and sale of PV solar power systems, including any modules installed in such systems and any revenue from energy generated by such systems. See Note 17. “Segment Reporting” to our condensed consolidated financial statements for more information on our operating segments. See also Item 2. “Management’s Discussion and Analysis of Financial Condition and Results of Operations – Systems Project Pipeline” for a description of the system projects in our advanced-stage project pipeline.

Beginning with the three months ended December 31, 2017, we changed the composition of our reportable segments to align with revisions to our internal reporting structure and long-term strategic plans. As a result of this change, our modules segment, which was historically referred to as our components segment, includes module sales to third parties and excludes any module sales to our systems segment. Previously, we included an allocation of net sales value for all solar modules manufactured by our modules segment and installed in projects sold or built by our systems segment in the net sales of our modules segment. Our systems segment now includes all net sales from the sale of solar power systems and related products and services, including any modules installed in such systems and any revenue from energy generated by such systems. All prior period balances were revised to conform to the current year presentation.

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Net sales

Modules Business

We generally price and sell our solar modules per watt of nameplate power. During the three and six months ended June 30, 2018, we sold the majority of our solar modules to integrators and operators of systems in the United States, Tanzania, and Turkey, and substantially all of our modules business net sales were denominated in U.S. dollars. We recognize revenue for module sales at a point in time following the transfer of control of such products to the customer, which typically occurs upon shipment or delivery depending on the terms of the underlying contracts.

Systems Business

Through our fully integrated systems business, we provide complete turn-key PV solar power systems, or solar solutions, that draw upon our capabilities, which include (i) project development, (ii) EPC services, and (iii) O&M services. Additionally within our systems segment, we may temporarily own and operate certain of our systems for a period of time based on strategic opportunities or market factors. We typically recognize revenue for sales of solar power systems using cost based input methods, which result in revenue being recognized as work is performed based on the relationship between actual costs incurred compared to the total estimated costs for a given contract. We may also recognize revenue for the sale of a system after the project has been completed due to the timing of when we enter into the associated sales contract with the customer.

The following table shows net sales by reportable segment for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,									Six Months Ended June 30,
(Dollars in thousands)	2018		2017		Three Month Change					2018		2017		Six Month Change
Modules	$	105,332	$	228,392	$	(123,060	)	(54	)%	$	266,625	$	299,530	$	(32,905	)	(11	)%
Systems	203,986		394,934		(190,948		)	(48	)%	609,958		1,215,587		(605,629		)	(50	)%
Net sales	$	309,318	$	623,326	$	(314,008	)	(50	)%	$	876,583	$	1,515,117	$	(638,534	)	(42	)%

Net sales from our modules segment decreased$123.1 million for the three months ended June 30, 2018 compared to the three months ended June 30, 2017 primarily due to a 48%decrease in the volume of watts sold and an 11%decrease in the average selling price per watt. Net sales from our systems segment decreased$190.9 million for the three months ended June 30, 2018 compared to the three months ended June 30, 2017 primarily as a result of the sale of the Switch Station projects in 2017, which were substantially complete when we entered into the associated sales contract with the customer, partially offset by ongoing construction activities at the Rosamond, Payne Creek, and California Flats projects.

Net sales from our modules segment decreased$32.9 million for the six months ended June 30, 2018 compared to the six months ended June 30, 2017 primarily due to a 15%decrease in the average selling price per watt, partially offset by a 5%increase in the volume of watts sold. Net sales from our systems segment decreased$605.6 million for the six months ended June 30, 2018 compared to the six months ended June 30, 2017 primarily due to the sale of the Moapa and Switch Station projects in 2017, which were substantially complete when we entered into the associated sales contracts with the customers, partially offset by the sale of certain India projects and the Rosamond project in 2018, ongoing construction activities at the California Flats project, and the commencement of construction on the Payne Creek project in early 2018.

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Cost of sales

Modules Business

Our modules business cost of sales includes the cost of raw materials and components for manufacturing solar modules, such as glass, transparent conductive coatings, CdTe and other thin film semiconductors, laminate materials, connector assemblies, edge seal materials, and frames. In addition, our cost of sales includes direct labor for the manufacturing of solar modules and manufacturing overhead, such as engineering, equipment maintenance, quality and production control, and information technology. Our cost of sales also includes depreciation of manufacturing plant and equipment, facility-related expenses, environmental health and safety costs, and costs associated with shipping, warranties, and solar module collection and recycling (excluding accretion).

Systems Business

For our systems business, project-related costs include development costs (legal, consulting, transmission upgrade, interconnection, permitting, and other similar costs), EPC costs (consisting primarily of solar modules, inverters, electrical and mounting hardware, project management and engineering costs, and construction labor costs), and site specific costs.

The following table shows cost of salesby reportable segment for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,											Six Months Ended June 30,
(Dollars in thousands)	2018			2017			Three Month Change					2018			2017			Six Month Change
Modules	$	131,883		$	189,255		$	(57,372	)	(30	)%	$	282,898		$	250,258		$	32,640		13	%
Systems	185,493			323,178			(137,685		)	(43	)%	428,945			1,069,782			(640,837		)	(60	)%
Total cost of sales	$	317,376		$	512,433		$	(195,057	)	(38	)%	$	711,843		$	1,320,040		$	(608,197	)	(46	)%
% of net sales	102.6		%	82.2		%						81.2		%	87.1		%

Our cost of sales decreased$195.1 million, or 38%, and increased20.4 percentage points as a percent of net sales for the three months ended June 30, 2018 compared to the three months ended June 30, 2017. The decrease in cost of sales was driven by a $137.7 milliondecrease in our systems segment cost of sales primarily due to the sale of the Switch Station projects in 2017. The decrease in cost of sales was also driven by a $57.4 milliondecrease in our modules segment cost of sales primarily as a result of lower costs of $96.3 million from a decrease in the volume of modules sold, partially offset by higher under-utilization charges associated with the initial ramp of certain Series 6 manufacturing lines, which increased cost of sales by $21.0 million, and a reduction to our product warranty liability of $12.5 million during the three months ended June 30, 2017 due to lower legacy module replacement costs.

Our cost of sales decreased$608.2 million, or 46%, and decreased5.9 percentage points as a percent of net sales for the six months ended June 30, 2018 compared to the six months ended June 30, 2017. The decrease in cost of sales was driven by a $640.8 milliondecrease in our systems segment cost of sales primarily due to the sale of the Moapa and Switch Station projects in 2017. This decrease in cost of sales was partially offset by a $32.6 millionincrease in our modules segment cost of sales primarily as a result of the higher under-utilization charges described above, higher costs of $13.7 million due to an increase in the volume of modules sold, and the reduction to our product warranty liability during the three months ended June 30, 2017 described above, partially offset by continued cost reductions in the cost per watt of our solar modules, which decreased cost of sales by $15.4 million.

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Gross (loss) profit

Gross (loss) profit may be affected by numerous factors, including the selling prices of our modules and systems, our manufacturing costs, project development costs, BoS costs, the capacity utilization of our manufacturing facilities, and foreign exchange rates. Gross profit may also be affected by the mix of net sales from our modules and systems businesses.

The following table shows gross profit for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,											Six Months Ended June 30,
(Dollars in thousands)	2018			2017			Three Month Change					2018			2017			Six Month Change
Gross (loss) profit	$	(8,058	)	$	110,893		$	(118,951	)	(107	)%	$	164,740		$	195,077		$	(30,337	)	(16	)%
% of net sales	(2.6		)%	17.8		%						18.8		%	12.9		%

Gross (loss) profitdecreased20.4 percentage points to (2.6)% during the three months ended June 30, 2018 from 17.8% during the three months ended June 30, 2017 due to the higher under-utilization charges described above, a mix of lower gross profit projects sold or under construction during the period, and reductions in the average selling price per watt of our modules sold directly to third parties as described above.

Gross (loss) profit increased 5.9% to 18.8% during the six months ended June 30, 2018 from 12.9% during the six months ended June 30, 2017 primarily as a result of the settlement of a tax examination with the state of California, which affected our estimates of sales and use taxes due for certain projects, and a mix of higher gross profit projects sold during the period, partially offset by the higher under-utilization charges described above. See Note 12. “Revenue from Contracts with Customers” to our condensed consolidated financial statements for additional information on the settlement of the tax examination.

Selling, general and administrative

Selling, general and administrative expense consists primarily of salaries and other personnel-related costs, professional fees, insurance costs, travel expenses, and other business development and selling expenses.

The following table shows selling, general and administrative expense for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,										Six Months Ended June 30,
(Dollars in thousands)	2018			2017			Three Month Change				2018			2017			Six Month Change
Selling, general and administrative	$	50,854		$	48,957		$	1,897	4	%	$	91,980		$	97,156		$	(5,176	)	(5	)%
% of net sales	16.4		%	7.9		%					10.5		%	6.4		%

Selling, general and administrative expense for the three months ended June 30, 2018 was consistent with the three months ended June 30, 2017. Selling, general and administrative expenses for the six months ended June 30, 2018decreased compared to the six months ended June 30, 2017 primarily due to lower professional fees and lower business development expenses, partially offset by higher charges for impairments of certain project assets.

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Research and development

Research and development expense consists primarily of salaries and other personnel-related costs; the cost of products, materials, and outside services used in our process and product R&D activities; and depreciation and amortization expense associated with R&D specific facilities and equipment. We maintain a number of programs and activities to improve our technology and processes in order to enhance the performance and reduce the costs of our solar modules and systems.

The following table shows research and development expense for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,											Six Months Ended June 30,
(Dollars in thousands)	2018			2017			Three Month Change					2018			2017			Six Month Change
Research and development	$	20,370		$	21,341		$	(971	)	(5	)%	$	40,694		$	44,140		$	(3,446	)	(8	)%
% of net sales	6.6		%	3.4		%						4.6		%	2.9		%

The decrease in research and development expense for the three and six months ended June 30, 2018 compared to the three and six months ended June 30, 2017 was primarily due to reduced material and module testing costs during our transition to Series 6 module manufacturing and lower R&D facilities expenses.

Production start-up

Production start-up expense consists primarily of employee compensation and other costs associated with operating a production line before it has been qualified for full production, including the cost of raw materials for solar modules run through the production line during the qualification phase and applicable facility related costs. Costs related to equipment upgrades and implementation of manufacturing process improvements are also included in production start-up expense as well as costs related to the selection of a new site, related legal and regulatory costs, and costs to maintain our plant replication program to the extent we cannot capitalize these expenditures. In general, we expect production start-up expense per production line to be higher when we build an entirely new manufacturing facility compared with the addition or replacement of production lines at an existing manufacturing facility, primarily due to the additional infrastructure investment required when building an entirely new facility.

The following table shows production start-up expense for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,										Six Months Ended June 30,
(Dollars in thousands)	2018			2017			Three Month Change				2018			2017			Six Month Change
Production start-up	$	24,352		$	8,381		$	15,971	191	%	$	61,436		$	9,531		$	51,905	545	%
% of net sales	7.9		%	1.3		%					7.0		%	0.6		%

During the three and six months ended June 30, 2018, we incurred production start-up expense for the ongoing transition to Series 6 module manufacturing at our facilities in Kulim, Malaysia and Ho Chi Minh City, Vietnam. We also incurred production start-up expense for the transition to Series 6 module manufacturing at our facility in Perrysburg, Ohio in 2017 and early 2018.

Restructuring and asset impairments

Restructuring and asset impairments consists of expenses incurred related to material restructuring initiatives and includes any associated asset impairments, costs for employee termination benefits, costs for contract terminations and penalties, and other restructuring related costs. Such restructuring initiatives are intended to align the organization with then current business conditions and to reduce costs.

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The following table shows restructuring and asset impairments for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,											Six Months Ended June 30,
(Dollars in thousands)	2018			2017			Three Month Change					2018			2017			Six Month Change
Restructuring and asset impairments	$	—		$	18,286		$	(18,286	)	(100	)%	$	—		$	38,317		$	(38,317	)	(100	)%
% of net sales	—		%	2.9		%						—		%	2.5		%

During the three and six months ended June 30, 2017 we incurred restructuring and asset impairment charges associated with our transition to Series 6 module manufacturing. Such charges included net losses on the disposition of previously impaired Series 4 and Series 5 manufacturing equipment, severance benefits to terminated employees, and net miscellaneous charges, primarily related to contract terminations, the write-off of operating supplies, and other Series 4 manufacturing exit costs. See Note 3. “Restructuring and Asset Impairments” to our condensed consolidated financial statements for additional information.

Foreign currency gain (loss), net

Foreign currency gain (loss), net consists of the net effect of gains and losses resulting from holding assets and liabilities and conducting transactions denominated in currencies other than our subsidiaries’ functional currencies.

The following table shows foreign currency gain (loss), net for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,									Six Months Ended June 30,
(Dollars in thousands)	2018		2017			Three Month Change				2018			2017			Six Month Change
Foreign currency gain (loss), net	$	2,422	$	(2,444	)	$	4,866	199	%	$	(95	)	$	(2,198	)	$	2,103	(96	)%

Foreign currency gain for the three and six months ended June 30, 2018increased compared to the three and six months ended June 30, 2017 primarily due to the strengthening of the U.S. dollar relative to certain foreign currencies and lower costs associated with hedging activities related to our subsidiaries in Japan and India.

Interest income

Interest income is earned on our cash, cash equivalents, marketable securities, and restricted cash and investments. Interest income also includes interest earned from notes receivable and late customer payments.

The following table shows interest income for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,								Six Months Ended June 30,
(Dollars in thousands)	2018		2017		Three Month Change				2018		2017		Six Month Change
Interest income	$	16,865	$	7,555	$	9,310	123	%	$	28,689	$	13,972	$	14,717	105	%

Interest income for the three and six months ended June 30, 2018increased compared to the three and six months ended June 30, 2017 primarily due to higher balances of cash, cash equivalents, and time deposits and increased interest rates associated with such balances.

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Interest expense, net

Interest expense, netis primarily comprised of interest incurred on long-term debt, settlements of interest rate swap contracts, and changes in the fair value of interest rate swap contracts that do not qualify for hedge accounting in accordance with ASC 815. We may capitalize interest expense into our project assets or property, plant and equipment when such costs qualify for interest capitalization, which reduces the amount of net interest expense reported in any given period.

The following table shows interest expense, netfor the three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,										Six Months Ended June 30,
(Dollars in thousands)	2018			2017			Three Month Change				2018			2017			Six Month Change
Interest expense, net	$	(6,065	)	$	(6,374	)	$	309	(5	)%	$	(11,247	)	$	(15,543	)	$	4,296	(28	)%

Interest expense, net for the three months ended June 30, 2018decreased compared to the three months ended June 30, 2017 primarily due to higher interest costs capitalized to certain projects under construction, partially offset by higher levels of project specific debt financings. Interest expense, net for the six months ended June 30, 2018decreased compared to the six months ended June 30, 2017 primarily due to changes in the fair value of interest rate swap contracts, which do not qualify for hedge accounting, and higher interest costs capitalized to certain projects under construction, partially offset by higher levels of project specific debt financings.

Other (loss) income, net

Other (loss) income, net is primarily comprised of miscellaneous items and realized gains and losses on the sale of marketable securities and restricted investments.

The following table shows other income, net for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,											Six Months Ended June 30,
(Dollars in thousands)	2018			2017			Three Month Change					2018		2017		Six Month Change
Other (loss) income, net	$	(4,328	)	$	(2,699	)	$	(1,629	)	60	%	$	13,606	$	23,162	$	(9,556	)	(41	)%

Other (loss) income, net for the three months ended June 30, 2018 was consistent with the three months ended June 30, 2017. Other (loss) income, net for the six months ended June 30, 2018decreased compared to the six months ended June 30, 2017 primarily due to a $26.8 million settlement from the resolution of an outstanding matter with a former customer during the six months ended June 30, 2017, partially offset by realized gains of $19.5 million during the six months ended June 30, 2018 from the sale of certain restricted investments.

Income tax benefit (expense)

In December 2017, the U.S. President signed into law the Tax Act, which significantly revised U.S. tax law by, among other things, lowering the statutory federal corporate income tax rate from 35% to 21% for tax years beginning after December 31, 2017, eliminating certain deductions, imposing a mandatory one-time transition tax on certain accumulated earnings and profits of foreign corporate subsidiaries, introducing new tax regimes, and changing how foreign earnings are subject to U.S. tax.

During 2017, we recognized certain provisional tax expenses associated with the Tax Act. The final effects of the Tax Act may differ from such provisional amounts, possibly materially, due to, among other things, changes in interpretations of the Tax Act, any legislative action to address questions that arise because of the Tax Act, any changes in accounting standards for income taxes or related interpretations in response to the Tax Act, any updates or changes to estimates

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utilized to calculate provisional amounts, or actions we may take as a result of the Tax Act. The associated accounting for the Tax Act is expected to be completed when our 2017 U.S. corporate income tax return is filed in late 2018.

Income tax expense or benefit, deferred tax assets and liabilities, and liabilities for unrecognized tax benefits reflect our best estimate of current and future taxes to be paid. We are subject to income taxes in both the U.S. and numerous foreign jurisdictions in which we operate, principally Australia, India, and Malaysia. Significant judgments and estimates are required to determine our consolidated income tax expense. The statutory federal corporate income tax rate in the U.S. decreased from 35% to 21% beginning in January 2018, while the tax rates in Australia, India, and Malaysia are 30%, 34.9%, and 24%, respectively. In Malaysia, we have been granted a long-term tax holiday, scheduled to expire in 2027, pursuant to which substantially all of our income earned in Malaysia is exempt from income tax, conditional upon our continued compliance with certain employment and investment thresholds.

The following table shows income tax expense for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,											Six Months Ended June 30,
(Dollars in thousands)	2018			2017			Three Month Change					2018			2017			Six Month Change
Income tax benefit (expense)	$	6,164		$	40,028		$	(33,864	)	(85	)%	$	(5,461	)	$	34,349		$	(39,810	)	(116	)%
Effective tax rate	6.5		%	(401.6		)%						345.0		%	(135.6		)%

Our tax rate is affected by recurring items, such as tax rates in foreign jurisdictions and the relative amounts of income we earn in those jurisdictions. The rate is also affected by discrete items that may occur in any given period, but are not consistent from period to period. Income tax benefit decreased by $33.9 million during the three months ended June 30, 2018 compared to the three months ended June 30, 2017 primarily due to a $42.1 million discrete tax benefit in 2017 associated with the acceptance of our election to classify certain of our German subsidiaries as disregarded entities of First Solar, Inc., partially offset by a pretax loss in 2018. Income tax expense increased by $39.8 million during the six months ended June 30, 2018 compared to the six months ended June 30, 2017 primarily due to the 2017 discrete tax benefit mentioned above and changes in certain of our uncertain tax positions, including interest and penalties, partially offset by excess tax benefits associated with share-based compensation.

Equity in earnings, net of tax

Equity in earnings, net of tax represents our proportionate share of the earnings or losses from equity method investments as well as any gains or losses on the sale or disposal of such investments.

The following table shows equity in earnings, net of tax for the three and six months ended June 30, 2018 and 2017:

	Three Months Ended June 30,								Six Months Ended June 30,
(Dollars in thousands)	2018		2017		Three Month Change				2018		2017		Six Month Change
Equity in earnings, net of tax	$	40,085	$	1,969	$	38,116	1,936	%	$	38,338	$	1,417	$	36,921	2,606	%

Equity in earnings, net of tax for the three and six months ended June 30, 2018increased compared to the three and six months ended June 30, 2017 primarily due to the sale of our ownership interests in 8point3 Operating Company, LLC, which resulted in a gain of $40.3 million, net of tax. See Note 9. “Equity Method Investments” to our condensed consolidated financial statements for additional information.

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Critical Accounting Policies and Estimates

In preparing our condensed consolidated financial statements in conformity with U.S. GAAP, we make estimates and assumptions that affect the amounts of reported assets, liabilities, revenues, and expenses, as well as the disclosure of contingent liabilities. Some of our accounting policies require the application of significant judgment in the selection of the appropriate assumptions for making these estimates. By their nature, these judgments are subject to an inherent degree of uncertainty. We base our judgments and estimates on our historical experience, our forecasts, and other available information as appropriate. We believe the judgments and estimates involved in over time revenue recognition, accrued solar module collection and recycling, product warranties, accounting for income taxes, long-lived asset impairments, and testing goodwill for impairment have the greatest potential impact on our condensed consolidated financial statements. The actual results experienced by us may differ materially and adversely from our estimates. To the extent there are material differences between our estimates and the actual results, our future results of operations will be affected.

For a description of the accounting policies that require the most significant judgment and estimates in the preparation of our condensed consolidated financial statements, refer to our Annual Report on Form 10-K for the year ended December 31, 2017. There have been no material changes to our accounting policies during the six months ended June 30, 2018.

Recent Accounting Pronouncements

See Note 2. “Recent Accounting Pronouncements” to our condensed consolidated financial statements for a summary of recent accounting pronouncements.

Liquidity and Capital Resources

As of June 30, 2018, we believe that our cash, cash equivalents, marketable securities, cash flows from operating activities, advanced-stage project pipeline, availability under our Revolving Credit Facility considering minimum liquidity covenant requirements, and access to the capital markets will be sufficient to meet our working capital, systems project investment, and capital expenditure needs for at least the next 12 months. We monitor our working capital to ensure we have adequate liquidity, both domestically and internationally.

We intend to maintain appropriate debt levels based upon cash flow expectations, our overall cost of capital, and expected cash requirements for operations, capital expenditures, and strategic discretionary spending. In the future, we may also engage in additional debt or equity financings, including project specific debt financings. We believe that when necessary, we will have adequate access to the capital markets, although our ability to raise capital on terms commercially acceptable to us could be constrained if there is insufficient lender or investor interest due to industry-wide or company-specific concerns. Such financings could result in increased debt service expenses, dilution to our existing stockholders, or restrictive covenants which could restrain our ability to pursue our strategic plans. As of June 30, 2018, we were in compliance with the covenants for all of our long-term debt facilities.

As of June 30, 2018, we had $3.1 billion in cash, cash equivalents, and marketable securities compared to $3.0 billion as of December 31, 2017. Cash, cash equivalents, and marketable securities as of June 30, 2018increased primarily as a result of proceeds associated with the sale of our interests in the Partnership and its subsidiaries, a reimbursement of overfunded amounts from our module collection and recycling trust, and proceeds from borrowings under project specific debt financings, partially offset by purchases of property, plant and equipment. As of June 30, 2018 and December 31, 2017, $1.4 billion and $1.6 billion, respectively, of our cash, cash equivalents, and marketable securities was held by our foreign subsidiaries and was primarily based in U.S. dollar, Euro, and Indian rupee denominated holdings and U.S. dollar, Euro, and Malaysian ringgit denominated holdings, respectively.

We utilize a variety of tax planning and financing strategies in an effort to ensure that our worldwide cash is available in the locations in which it is needed. If certain international funds were needed for our operations in the U.S., we may

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be required to accrue and pay certain U.S. and foreign taxes to repatriate such funds. Although we maintain the intent and ability to permanently reinvest our accumulated earnings outside of the U.S., with the exception of our subsidiaries in Canada and Germany, we continue to evaluate how the Tax Act may affect our plans to repatriate additional amounts to fund our domestic operations or otherwise deploy our worldwide cash. In addition, changes to foreign government banking regulations may restrict our ability to move funds among various jurisdictions under certain circumstances, which could negatively impact our access to capital, resulting in an adverse effect on our liquidity and capital resources.

Our systems business requires significant liquidity and is expected to continue to have significant liquidity requirements in the future. The net amount of our project assets and related portion of deferred revenue, which approximates our net capital investment in the development and construction of systems projects, was $0.5 billion as of June 30, 2018. Solar power project development and construction cycles, which span the time between the identification of a site location and the commercial operation of a system, vary substantially and can take many years to mature. As a result of these long project cycles and strategic decisions to finance the construction of certain projects using our working capital, we may need to make significant up-front investments of resources in advance of the receipt of any cash from the sale of such projects. Delays in construction progress or in completing the sale of our systems projects that we are self-financing may also impact our liquidity. We have historically financed these up-front systems project investments primarily using working capital. In certain circumstances, we may need to finance construction costs exclusively using working capital, if project financing becomes unavailable due to market-wide, regional, or other concerns.

From time to time, we develop projects in certain markets around the world where we may hold all or a significant portion of the equity in a project for several years. Given the duration of these investments and the currency risk relative to the U.S. dollar in some of these markets, we continue to explore local financing alternatives. Should these financing alternatives be unavailable or too cost prohibitive, we could be exposed to significant currency risk and our liquidity could be adversely impacted.

Additionally, we may elect to retain an ownership interest in certain systems projects after they become operational if we determine it would be of economic and strategic benefit to do so. If, for example, we cannot sell a systems project at economics that are attractive to us or potential customers are unwilling to assume the risks and rewards typical of PV solar power system ownership, we may instead elect to temporarily own and operate such systems until we can sell the systems on economically attractive terms. The decision to retain ownership of a system impacts liquidity depending upon the size and cost of the project. As of June 30, 2018, we had $0.3 billion of net PV solar power systems that had been placed in service, primarily in international markets. We have elected, and may in the future elect, to enter into temporary or long-term project financing to reduce the impact on our liquidity and working capital with regards to such projects and systems. We may also consider entering into tax equity or other arrangements with respect to ownership interests in certain of our projects, which could cause a portion of the economics of such projects to be realized over time.

The following additional considerations have impacted or may impact our liquidity for the remainder of 2018 and beyond:

• We expect to make significant capital investments over the next several years as we transition our production to Series 6 module technology and purchase the related manufacturing equipment and infrastructure. These investments also include the commencement and expansion of operations at our existing manufacturing plant in Vietnam and the construction of an additional U.S. manufacturing plant in Lake Township, Ohio. We expect the aggregate capital investment for currently planned Series 6 related programs to be approximately $1.8 billion, including $0.8 billion of capital expenditures already made as of June 30, 2018. These capital investments are expected to provide an annual Series 6 manufacturing capacity of approximately 6.6 GW once completed. During the remainder of 2018, we expect to spend $400 million to $500 million for capital expenditures, the majority of which is associated with the Series 6 transition. We believe these capital expenditures will, over time, increase our aggregate manufacturing capacity, reduce our manufacturing costs, increase our solar module conversion efficiencies, and reduce the overall cost of systems using our modules.

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• Our failure to obtain raw materials and components that meet our quality, quantity, and cost requirements in a timely manner could interrupt or impair our ability to manufacture our solar modules or increase our manufacturing costs. Accordingly, we may enter into long-term supply agreements to mitigate potential risks related to the procurement of key raw materials and components, and such agreements may be noncancelable or cancelable with a significant penalty. In April 2018, we entered into a supply agreement for the purchase of substrate glass for our PV solar modules. Under the terms of the agreement, we expect to pay approximately $2.4 billion over the supply period, which ends in December 2027. In March 2018, we entered into a 10-year supply agreement for the purchase of cover glass for our PV solar modules. Under the terms of the agreement, we expect to pay approximately $500 million over the 10-year supply period, which is scheduled to begin by January 2020.

• The balance of our solar module inventories and BoS parts was $221.3 million as of June 30, 2018. As we continue to develop and construct our advanced-stage project pipeline, we must produce solar modules and procure BoS parts in volumes sufficient to support our planned construction schedules. As part of this construction cycle, we typically produce or procure these inventories in advance of receiving payment for such materials, which may temporarily reduce our liquidity. Once solar modules and BoS parts are installed in a project, they are classified as either project assets, PV solar power systems, or cost of sales depending on whether the project is subject to a definitive sales contract and whether other revenue recognition criteria have been met. We also produce significant volumes of modules for sale directly to third-parties, which requires us to carry inventories at levels sufficient to satisfy the demand of our customers and the needs of their utility-scale projects, which may also temporarily reduce our liquidity.

• We may commit working capital during the remainder of 2018 and beyond to acquire solar power projects in various stages of development, including advanced-stage projects with PPAs, and to continue developing those projects as necessary. Depending upon the size and stage of development, the costs to acquire such solar power projects could be significant. When evaluating project acquisition opportunities, we consider both the strategic and financial benefits of any such acquisitions.

Cash Flows

The following table summarizes the key cash flow activity for the six months ended June 30, 2018 and 2017 (in thousands):

	Six Months Ended June 30,
	2018			2017
Net cash provided by operating activities	$	83,856		$	325,340
Net cash used in investing activities	(372,821		)	(326,442		)
Net cash provided by financing activities	69,991			136,918
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(13,077		)	3,072
Net (decrease) increase in cash, cash equivalents and restricted cash	$	(232,051	)	$	138,888

Operating Activities

The decrease in net cash provided by operating activities was primarily driven by the sale of the Moapa and Switch Station projects in 2017 and costs associated with the ongoing transition to Series 6 module manufacturing. Such decreases were partially offset by lower expenditures for the construction of certain projects using working capital, the sale of certain India projects, and prepayments received from customers in 2018.

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Investing Activities

The increase in net cash used in investing activities was primarily due to an increase in net purchases of marketable securities and restricted investments and higher purchases of property, plant and equipment driven by our transition to Series 6 module manufacturing, partially offset by proceeds associated with the sale of our interests in the Partnership and its subsidiaries in 2018.

Financing Activities

The decrease in net cash provided by financing activities was primarily the result of lower net proceeds from borrowings under our long-term debt arrangements associated with the construction of certain projects in Japan and India and lower proceeds from commercial letters of credit for the construction of certain projects in India.

Contractual Obligations

Our contractual obligations have not materially changed since December 31, 2017 with the exception of borrowings under project specific debt financings, certain glass supply agreements entered into in April and March 2018, and other changes in the ordinary course of business. See Note 10. “Debt” and Note 11. “Commitments and Contingencies” to our condensed consolidated financial statements for more information related to the changes in our long-term debt and purchase commitments, respectively. See also our Annual Report on Form 10-K for the year ended December 31, 2017 for additional information regarding our contractual obligations.

Off-Balance Sheet Arrangements

As of June 30, 2018, we had no off-balance sheet debt or similar obligations, other than financial assurance related instruments and operating leases, which are not classified as debt. We do not guarantee any third-party debt. See Note 11. “Commitments and Contingencies” to our condensed consolidated financial statements for further information about our financial assurance related instruments.

Item 3.Quantitative and Qualitative Disclosures about Market Risk

There have been no material changes to the information previously provided under Item 7A. of our Annual Report on Form 10-K for the year ended December 31, 2017.

Item 4.Controls and Procedures

Evaluation of Disclosure Controls and Procedures

We carried out an evaluation, under the supervision and with the participation of management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of our “disclosure controls and procedures” as defined in Exchange Act Rule 13a-15(e) and 15d-15(e). Based on that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that as of June 30, 2018 our disclosure controls and procedures were effective to ensure that information required to be disclosed by us in reports that we file or submit under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified in SEC rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.

Changes in Internal Control over Financial Reporting

We also carried out an evaluation, under the supervision and with the participation of management, including our Chief Executive Officer and Chief Financial Officer, of our “internal control over financial reporting” as defined in Exchange Act Rule 13a-15(f) and 15d-15(f) to determine whether any changes in our internal control over financial reporting

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occurred during the three months ended June 30, 2018 that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting. Based on that evaluation, there were no such changes in our internal control over financial reporting that occurred during the three months ended June 30, 2018.

CEO and CFO Certifications

We have attached as exhibits to this Quarterly Report on Form 10-Q the certifications of our Chief Executive Officer and Chief Financial Officer, which are required in accordance with the Exchange Act. We recommend that this Item 4. be read in conjunction with those certifications for a more complete understanding of the subject matter presented.

Limitations on the Effectiveness of Controls

Control systems, no matter how well designed and operated, can provide only reasonable, not absolute, assurance that the control systems’ objectives are being met. Further, the design of any system of controls must reflect the fact that there are resource constraints, and the benefits of all controls must be considered relative to their costs. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within our Company have been detected. These inherent limitations include the realities that judgments in decision-making can be faulty and that breakdowns can occur because of error or mistake. Control systems can also be circumvented by the individual acts of some persons, by collusion of two or more people, or by management override of the controls. The design of any system of controls is also based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions. Over time, controls may become inadequate because of changes in conditions or deterioration in the degree of compliance with policies or procedures.

PART II.OTHER INFORMATION

Item 1.Legal Proceedings

See Note 11. “Commitments and Contingencies” under the heading “Legal Proceedings” of our condensed consolidated financial statements for legal proceedings and related matters.

Item 1A.Risk Factors

In addition to the other information set forth in this report, you should carefully consider the factors discussed in Item 1A. “Risk Factors” of our Annual Report on Form 10-K for the year ended December 31, 2017 and our Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2018, which could materially affect our business, financial condition, results of operations, or cash flows. The risks described in our Annual Report on Form 10-K and our Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2018 are not the only risks we face. Additional risks and uncertainties not currently known to us or that we currently consider immaterial may also materially adversely affect our business, financial condition, results of operations, or cash flows. Except for the updated risk factors appearing below, there have been no material changes in the risk factors contained in our Annual Report on Form 10-K or in our Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2018.

We may not be able to obtain long-term contracts for the sale of power produced by our projects at prices and on other terms favorable to attract financing and other investments; with regard to projects for which electricity is or will be sold on an open contract basis rather than under a PPA, our results of operations could be adversely affected to the extent prevailing spot electricity prices decline in an unexpected manner.

Obtaining long-term contracts for the sale of power produced by our projects at prices and on other terms favorable to us is essential for obtaining financing and commencing construction of our projects. We must compete for PPAs against other developers of solar and renewable energy projects. This intense competition for PPAs has resulted in downward pressure on PPA pricing for newly contracted projects. In addition, we believe the solar industry may experience periods

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of structural imbalance between supply and demand that put downward pressure on module pricing. This downward pressure on module pricing would also create downward pressure on PPA pricing for newly contracted projects. See the Risk Factor entitled “Competition at the system level can be intense, thereby potentially exerting downward pressure on system-level profit margins industry-wide, which could reduce our profitability and adversely affect our results of operations” contained in Item 1A. “Risk Factors” of our Annual Report on Form 10-K for additional information. If falling PPA pricing results in forecasted project revenue that is insufficient to generate returns anticipated to be demanded in the project sale market, our business, financial condition, and results of operations could be adversely affected.

Other sources of power, such as natural gas-fired power plants, have historically been cheaper than the cost of solar power, and certain types of generation projects, such as natural gas-fired power plants, can deliver power on a firm basis. The inability to compete successfully against other power producers or otherwise enter into PPAs favorable to us would negatively affect our ability to develop and finance our projects and negatively impact our revenue. In addition, the availability of PPAs is dependent on utility and corporate energy procurement practices that could evolve and shift allocation of market risks over time. In addition, PPA availability and terms are a function of a number of economic, regulatory, tax, and public policy factors, which are also subject to change. Also, certain of our projects may be scheduled for substantial completion prior to the commencement of a long-term PPA with a major off-taker, in which case we would be required to enter into a stub-period PPA for the intervening time period or sell down the project. We may not be able to do either on terms that are commercially attractive to us. Finally, the electricity from certain of our projects is or is expected to be sold on an open contract basis for a period of time rather than under a PPA. If prevailing spot electricity prices relating to any such project were to decline in an unexpected manner, such project may decline in value and our results of operations could otherwise be adversely affected.

Even if we are able to obtain PPAs favorable to us, the ability of our offtake counterparties to fulfill their contractual obligations to us depends, in part, on their creditworthiness. These counterparties, such as our investor-owned utility counterparties in the state of California, which may have liability for damages associated with California’s recent wildfires, could become subject to insolvency or liquidation proceedings or otherwise suffer a deterioration of their creditworthiness, any of which could result in underpayment or nonpayment under such agreements or prevent our ability to attract debt or equity financing for our projects.

We are in the process of upgrading our enterprise resource planning system; failure to successfully execute this upgrade may result in increased costs, business disruptions, and untimely or inaccurate financial reporting.

We are dependent on information systems to facilitate the day-to-day operations of our business and to produce timely, accurate, and reliable financial information. We are in the process of upgrading our existing enterprise resource planning (“ERP”) system to simplify and improve the overall performance of our information systems. ERP system upgrades involve complexities due to the number of associates and processes affected by such changes. A failure to successfully upgrade our ERP system or difficulties in the upgrade process may result in increased costs; disruptions in our ability to effectively source, sell, or ship our products; delays in customer collections; or an inability to timely and accurately report our financial results, any of which could adversely affect our financial condition or results of operations.

Item 5.Other Information

None.

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Item 6.Exhibits

The following exhibits are filed with or incorporated by reference into this Quarterly Report on Form 10-Q:

Exhibit Number	Exhibit Description
10.1	Form of Grant Notice for Executive Performance Equity Plan
10.2	Form of Grant Notice for CEO Leadership Equity Plan
10.3	Form of Performance Unit Award Agreement
31.01	Certification of Chief Executive Officer pursuant to 15 U.S.C. Section 7241, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.02	Certification of Chief Financial Officer pursuant to 15 U.S.C. Section 7241, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.01*	Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	XBRL Taxonomy Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document

——————————

* This exhibit shall not be deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act or the Exchange Act, whether made before or after the date hereof and irrespective of any general incorporation language in any filings.

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	FIRST SOLAR, INC.
Date: July 26, 2018	By:	/s/ BRYAN SCHUMAKER
	Name:	Bryan Schumaker
	Title:	Chief Accounting Officer

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EX-10.1

EXHIBIT 10.1

Executive Performance Equity Plan

GRANT NOTICE

This Grant Notice sets forth the economic terms of a Performance Unit Award granted under the First Solar, Inc. 2015 Omnibus Incentive Compensation Plan (the “Plan”). This Grant Notice, together with the Performance Unit Award Agreement Form Perf Unit-008 (“Performance Unit Award Agreement”) (the terms of which are incorporated into this Grant Notice by reference), constitute the Award Agreement for this Performance Unit Award under the Executive Performance Equity Plan. Capitalized terms used in this Grant Notice that are not defined in this Grant Notice have the meanings as used or defined in the Performance Unit Award Agreement, or if not defined therein, the Plan.

Participant:	[●]
Target # Performance Units:	[●]
Grant Date:	[●]
Performance Period:	[●]
Vesting Conditions:	The number of Performance Units that vests is subject to the level of achievement of the following performance goals during the Performance Period (the “Performance-Vesting Conditions”):

Performance Level	Threshold (50%)	Target (100%)	Maximum (200%)	Weighting
[Metric 1]	[●]	[●]	[●]	[●]
[Metric 2]	[●]	[●]	[●]	[●]
[Metric 3]	[●]	[●]	[●]	[●]

The final number of Performance Units actually awarded following the end of the Performance Period, if any, shall be based on the weighted attainment of specified levels of the Performance-Vesting Conditions, and may range between 0% and 200% of the number of target Performance Units. More specifically, 0% of the target Performance Units shall be earned upon less than threshold performance achievement; 50% of the target Performance Units shall be earned upon threshold performance achievement, 100% of target Performance Units shall be earned upon target performance achievement and 200% of target Performance Units shall be earned upon maximum performance achievement (with linear interpolation between threshold and target performance achievement and between target and maximum performance achievement). Each Performance Unit represents the right to receive one share of the Company’s common stock, no par value per share (“Share”). In determining achievement of the Performance-Vesting Conditions, the Committee may make such adjustments as it deems appropriate, including adjustments to performance metrics to take into account extraordinary, unusual or infrequently occurring events as determined by the Committee. Further, the Committee may, in its sole discretion, reduce the number of Performance Units actually delivered hereunder even if the Performance-Vesting Conditions are achieved. This Award shall not vest unless the Participant is continuously employed by the Company or an Affiliate through the settlement date following the end of the Performance Period, unless the Participant is eligible for a pro rata settlement as provided for in the Forfeiture section below.

Vesting Acceleration upon a Change in Control:

Award is Assumed or Substituted. Upon the occurrence of a Change in Control (as defined in the Change of Control Severance Agreement between the Participant and the Company (“CIC Agreement”)) that occurs during the Performance Period in which the acquirer assumes or substitutes the Performance Units, the Performance Units shall remain eligible to vest in accordance with the vesting provisions described above (including the Performance-Vesting Conditions, subject to adjustments as permitted under Section 4(b) of the Plan or Section 10 of the Performance Unit Award Agreement); provided, however, if, within the 24-month period following such Change in Control, the Participant’s employment with the Company and its Affiliates is terminated (1) by the Company or one of its Affiliates without Cause (as defined in the CIC Agreement) or (2) by the Participant for Good Reason (as defined in the CIC Agreement), then the number of Performance Units determined based on the greater of (x) target or (y) actual achievement of the applicable Performance-Vesting Conditions as of the last day of the quarter preceding the date of termination shall become vested as of the date of such termination of employment, and promptly settled within 60 days following such date. This Award shall expire and be forfeited with respect to the unvested portion thereof if the applicable Performance-Vesting Conditions are not satisfied as of such date of termination. Award is Not Assumed or Substituted. Upon the occurrence of a Change in Control in which the acquirer does not assume or substitute the Performance Units, the Performance Units shall be deemed immediately vested at the greater of (x) target or (y) actual achievement of the applicable Performance-Vesting Conditions as of the last day of the quarter preceding the Change in Control, and shall be promptly settled within 60 days following the Change in Control. Coordination with CIC Agreement. For the avoidance of doubt, the provisions of Section 3 “Impact of a Change in Control on Equity Compensation Awards” in the CIC Agreement shall not apply to this Award.

Forfeiture:	This Award shall be forfeited, with no consideration, upon termination of the Participant’s employment provided, however that if such termination of employment occurs (x) on account of the Participant’s death, (y) by the Company due to Disability (defined below), or (z) by the Participant due to a Retirement (defined below) occurring following the end of the first calendar year of the Performance Period, then the Participant shall be eligible for a pro rata settlement as described in the Settlement section below. For this purpose, “Disability” shall have the meaning ascribed to such term (or term of similar import) in the employment agreement between the Participant and the Company, as in effect at the relevant time. “Retirement” shall mean the Participant’s voluntary termination of employment provided that the Participant has (i) attained age fifty-seven (57) or older as of the date of such termination; (ii) completed a minimum of eight (8) years of service as of the date of such termination. Notwithstanding anything to the contrary herein, if the Participant’s employment is terminated due to a Retirement occurring following the end of the first calendar year of the Performance Period, the Participant shall be eligible for a pro rata settlement only if the Participant complies with the restrictive covenants set forth in the Non-Solicitation and Non-Competition Agreement by and between the Company and the Participant, as in effect on the date of such termination of employment (the “Restrictive Covenants”) through the settlement date of this Award. Further, this Award shall expire and be forfeited with respect to the unvested portion thereof if the threshold Performance-Vesting Condition is not satisfied with respect to the Performance Period. For greater clarity, notwithstanding anything to the contrary herein, in the Performance Unit Award Agreement, or in any employment or other agreement between the Participant and the Company, no portion of this Award shall accelerate upon termination of the Participant’s employment other than as expressly provided in this Grant Notice.
Settlement of Award:	Full Settlement: Where the Participant is eligible for full settlement of this Award or any portion thereof, as soon as administratively practicable but in any event within the first 60 days of the calendar year following the end of the Performance Period, the Participant shall receive one fully vested Share for each vested Performance Unit. Pro Rata Settlement: Where the Participant is eligible for a pro rata settlement of this Award or any portion thereof because the Participant experienced a termination of employment described above prior to the settlement date, such pro rata portion shall be determined by multiplying (i) the number of Performance Units that would have vested based on actual achievement of the Performance-Vesting Conditions had the Participant remained employed until the settlement date by (ii) a fraction, (a) the numerator of which is the number of days the Participant was employed by the Company during the Performance Period up to the date of termination, and (b) the denominator of which is the number of days from and after the first day of the Performance Period through the end of the Performance Period, rounding up to the next whole Performance Unit. Such pro rata portion of the Performance Units shall be settled in Shares, on a one-for-one basis, as soon as administratively practicable but in any event within the first 60 days of the calendar year following the end of the Performance Period. If the Participant becomes eligible for a pro rata settlement of this Award, then upon pro rata settlement the remainder of this Award shall be forfeited.
Settlement of Taxes:	Vesting and settlement of the Performance Units shall be subject to the Participant satisfying any applicable federal, state and local tax withholding obligations and non-U.S. tax withholding obligations. The amount of any withholding taxes in respect of the Performance Units shall be satisfied by having the Company withhold from the number of Performance Units payable to the Participant under this Award a number of Shares having a fair market value equal to such required tax withholding obligations. If, for any reason, the Shares that would otherwise be deliverable to the Participant upon settlement of the Performance Units would be insufficient to satisfy the tax withholding obligations, the Company and any of its Subsidiaries are authorized to withhold an amount from the Participant’s wages or other compensation sufficient to fully satisfy the tax withholding obligations.

Representation Regarding Material Nonpublic Information

By signing below, I represent that, as of the date set forth below, I am not aware of any material, non-public information with respect to First Solar, Inc. or any of its securities.

Signature Date

EX-10.2

EXHIBIT 10.2

CEO Leadership Equity Plan

GRANT NOTICE

This Grant Notice sets forth the economic terms of a Performance Unit Award granted under the First Solar, Inc. 2015 Omnibus Incentive Compensation Plan (the “Plan”). This Grant Notice, together with the Performance Unit Award Agreement Form Perf Unit-008 (“Performance Unit Award Agreement”) (the terms of which are incorporated into this Grant Notice by reference), constitute the Award Agreement for this Performance Unit Award under the CEO Leadership Equity Plan. Capitalized terms used in this Grant Notice that are not defined in this Grant Notice have the meanings as used or defined in the Performance Unit Award Agreement, or if not defined therein, the Plan.

Participant:	[●]
Target # Performance Units:	[●]
Grant Date:	[●]
Performance Period:	[●]
Vesting Conditions:	The number of Performance Units that vest is subject to the level of achievement of the following performance goals during the Performance Period (the “Performance-Vesting Conditions”):

Performance Level	Threshold (50%)	Target (100%)	Maximum (200%)	Weighting
[Metric 1]	[●]	[●]	[●]	[●]
[Metric 2]	[●]	[●]	[●]	[●]
[Metric 3]	[●]	[●]	[●]	[●]

	The final number of Performance Units actually awarded following the end of the Performance Period, if any, shall be based on the weighted attainment of specified levels of the Performance-Vesting Conditions, and may range between 0% and 200% of the number of target Performance Units. More specifically, 0% of the target Performance Units shall be earned upon less than threshold performance achievement; 50% of the target Performance Units shall be earned upon threshold performance achievement, 100% of target Performance Units shall be earned upon target performance achievement and 200% of target Performance Units shall be earned upon maximum performance achievement (with linear interpolation between threshold and target performance achievement and between target and maximum performance achievement). Each Performance Unit represents the right to receive one share of the Company’s common stock, no par value per share (“Share”). In determining achievement of the Performance-Vesting Conditions, the Committee may make such adjustments as it deems appropriate, including adjustments to performance metrics to take into account extraordinary, unusual or infrequently occurring events as determined by the Committee. Further, the Committee may, in its sole discretion, reduce the number of Performance Units actually delivered hereunder even if the Performance-Vesting Conditions are achieved. This Award shall not vest unless the Participant is continuously employed by the Company or an Affiliate through the settlement date following the end of the Performance Period, unless the Participant is eligible for a pro rata settlement as provided for in the Forfeiture section below.
Forfeiture:	This Award shall be forfeited, with no consideration, upon termination of the Participant’s employment unless such termination of employment occurs on account of the Participant’s death or by the Company due to “Disability” (defined below), in which case the Participant shall be eligible for a pro rata settlement as described in the Settlement section below. For this purpose, “Disability” shall have the meaning ascribed to such term (or term of similar import) in the employment agreement between the Participant and the Company, as in effect at the relevant time. Further, this Award shall expire and be forfeited with respect to the unvested portion thereof if the threshold Performance-Vesting Condition is not satisfied with respect to the Performance Period. For greater clarity, notwithstanding anything to the contrary herein, in the Performance Unit Award Agreement, or in any employment or other agreement between the Participant and the Company, no portion of this Award shall accelerate upon termination of the Participant’s employment other than as expressly provided in this Grant Notice.
Settlement of Award:	Full Settlement: Where the Participant is eligible for full settlement of this Award or any portion thereof, as soon as administratively practicable but in any event within the first 60 days of the calendar year following the end of the Performance Period, the Participant shall receive one fully vested Share for each vested Performance Unit. Pro Rata Settlement: Where the Participant is eligible for a pro rata settlement of this Award or any portion thereof because the Participant experienced a termination of employment described above prior to the settlement date, such pro rata portion shall be determined by multiplying (i) the number of Performance Units that would have vested based on actual achievement of the Performance-Vesting Conditions had the Participant remained employed until the settlement date by (ii) a fraction, (a) the numerator of which is the number of days the Participant was employed by the Company during the Performance Period up to the date of termination, and (b) the denominator of which is the number of days from and after the first day of the Performance Period through the end of the Performance Period, rounding up to the next whole Performance Unit. Such pro rata portion of the Performance Units shall be settled in Shares, on a one-for-one basis, as soon as administratively practicable but in any event within the first 60 days of the calendar year following the end of the Performance Period. If the Participant becomes eligible for a pro rata settlement of this Award, then upon pro rata settlement the remainder of this Award shall be forfeited.

Settlement of Taxes: Vesting and settlement of the Performance Units shall be subject to the Participant satisfying any applicable federal, state and local tax withholding obligations and non-U.S. tax withholding obligations. The amount of any withholding taxes in respect of the Performance Units shall be satisfied by having the Company withhold from the number of Performance Units payable to the Participant under this Award a number of Shares having a fair market value equal to such required tax withholding obligations. If, for any reason, the Shares that would otherwise be deliverable to the Participant upon settlement of the Performance Units would be insufficient to satisfy the tax withholding obligations, the Company and any of its Subsidiaries are authorized to withhold an amount from the Participant’s wages or other compensation sufficient to fully satisfy the tax withholding obligations.

Representation Regarding Material Nonpublic Information

By signing below, I represent that, as of the date set forth below, I am not aware of any material, non-public information with respect to First Solar or any of its securities.

Signature Date

EX-10.3

EXHIBIT 10.3

Form Perf Unit-008

Performance Unit Award Agreement under the First Solar, Inc. 2015 Omnibus Incentive Compensation Plan, between First Solar, Inc. (the “Company”), a Delaware corporation, and the individual (the “Participant”) set forth on the Grant Notice which incorporates this Form Perf Unit-008 by reference.

This Performance Share Unit Award Agreement including any addendum or exhibits hereto and the Grant Notice (collectively, this “Award Agreement”) set forth the terms and conditions of an award of Performance Units (this “Award”) that is being granted to the Participant set forth on the Grant Notice on the date set forth in the Grant Notice (such date, the “Grant Date”), under the terms of the First Solar, Inc. 2015 Omnibus Incentive Compensation Plan (the “Plan”) for the number of performance units set forth in the Grant Notice. Each Performance Unit constitutes an unfunded and unsecured promise of the Company to deliver (or cause to be delivered) to the Participant one share of the common stock of the Company (a “Share”), subject to the all terms and conditions of this Award Agreement, the Grant Notice, and the Plan, including without limitation, THE DISPUTE RESOLUTION PROVISIONS SET FORTH IN SECTION 14 OF THIS AWARD AGREEMENT.

* * *

SECTION 1. The Plan. This Award is made pursuant to the Plan, all the terms of which are hereby incorporated in this Award Agreement. In the event of any conflict between the terms of the Plan, on the one hand, and the terms of this Award Agreement, on the other hand, the terms of the Plan shall govern.

SECTION 2. Definitions. The following terms are defined in this Award Agreement, and shall when capitalized have the meaning ascribed to them in this Award Agreement in the locations set forth below.

Defined Term	Cross-Ref.	Defined Term	Cross-Ref.
“Addendum”	Section 18	“Employer”	Section 6
“Affiliate”	Section 3(a)	“Grant Date”	Paragraph 2
“Award”	Paragraph 2	“Participant”	Paragraph 1
“Award Agreement”	Paragraph 2	“Performance Unit”	Paragraph 2
“Business Day”	Section 15	“Plan”	Paragraph 2
“Committee”	Section 3(a)	“Share”	Paragraph 2
“Company”	Paragraph 1	“Tax-Related Items”	Section 6

Capitalized terms that are not defined in this Award Agreement shall have the meanings used or defined in the Plan or in the Grant Notice.

SECTION 3. Vesting, Forfeiture, and Delivery of Shares.

(a) Vesting. The Grant Notice specifies the Performance-Vesting Conditions required to be attained during the Performance Period for the Performance Units to vest. The Award shall vest on the date the Compensation Committee of the Company’s Board of Directors (the “Committee”) certifies attainment of the Performance-Vesting Conditions set forth in the Grant Notice have been attained provided that the Participant is actively employed by the Company or an Affiliate on the measurement date as of which the Performance-Vesting Conditions are certified or such earlier date set forth in the Grant Notice. For purposes of this Award Agreement, an “Affiliate” of the Company is an

individual or entity that directly, or indirectly through one or more intermediaries, controls, or is controlled by, or is under common control with, the Company.

(b) Forfeiture. Unless the Committee determines otherwise, or unless otherwise provided in the Grant Notice, a written agreement between the Company and the Participant or any other plan, policy or program of the Company then in effect, the Participant’s rights with respect to this Award shall immediately terminate, and the Participant will not be entitled to receive any Shares or any other payments or benefits with respect thereto upon termination of the Participant’s employment or service relationship with the Company and/or its Affiliates for any reason (as further described in Section 8(l) below).

(c) Delivery of Shares. Upon vesting of the Award, the Shares shall be delivered to the Participant in settlement of the vested Performance Units in accordance with the Settlement Section of the Grant Notice.

SECTION 4. Voting Rights; Dividend Equivalents. The Participant shall not be entitled to exercise any voting rights with respect to a Performance Unit and shall not be entitled to receive dividends, dividend equivalents or other distributions with respect to the Shares underlying such Performance Units prior to the date on which the Participant’s rights with respect to the Performance Units have become vested and Shares are delivered to the Participant.

SECTION 5. Non-Transferability of Performance Units. Unless otherwise provided by the Committee in its discretion, Performance Units may not be sold, assigned, alienated, transferred, pledged, attached or otherwise encumbered by the Participant. Any purported sale, assignment, alienation, transfer, pledge, attachment or other encumbrance of a Performance Unit in violation of the provisions of this Section 5 shall be void.

SECTION 6. Responsibility for Taxes.

(a) Regardless of any action the Company or the Participant’s employer, if other than the Company (the “Employer”), takes with respect to any or all federal, state or local income tax, social security contributions, payroll tax, payment on account or other tax-related items related to the Participant’s participation in the Plan that are legally applicable to the Participant (“Tax-Related Items”), the Participant acknowledges that the ultimate liability for all Tax-Related Items is and remains the Participant’s responsibility and that such liability may exceed the amount actually withheld by the Company or the Employer. The Participant further acknowledges that the Company and/or the Employer (i) make no representations or undertakings regarding the treatment of any Tax-Related Items in connection with any aspect of the Performance Units, including, without limitation, the grant, vesting or settlement of the Performance Units, the issuance of Shares on the relevant settlement date, the subsequent sale of Shares acquired pursuant to such issuance and the receipt of any dividends; and (ii) do not commit to and are under no obligation to structure the terms of the Award or any aspect of the Performance Units to reduce or eliminate the Participant’s liability for Tax-Related Items or achieve any particular tax result. Further, if the Participant becomes subject to tax and/or social security contributions in more than one jurisdiction, the Participant acknowledges that the Company and/or the Employer (or former employer, as applicable) may be required to withhold or account for Tax-Related Items in more than one jurisdiction.

(b) Prior to any relevant taxable, tax and/or social security contribution withholding event, the Participant shall pay or make adequate arrangements satisfactory to the Company and/or the Employer to satisfy all Tax-Related Items. The amount of any withholding taxes in respect of the Performance Units shall be satisfied by having the Company withhold from the number of Performance Units payable to the Participant under this Award Agreement and the Grant Notice a number of Shares having a fair market value equal to such required tax withholding obligations. If, for any reason, the Shares that would otherwise be deliverable to the Participant upon settlement of the Performance Units would be insufficient to satisfy the tax withholding obligations, the Company, the Employer and any of their Subsidiaries are authorized to withhold an amount from the Participant’s wages or other compensation sufficient to fully satisfy the tax withholding obligation.

(c) The Company may withhold or account for Tax-Related Items by considering applicable minimum statutory withholding amounts or other applicable withholding rates, including maximum withholding rates, in which case the participant will receive a refund from the Company of any over-withheld amount in cash and will have no entitlement to the equivalent in Shares. If the obligation for Tax-Related Items is satisfied by withholding in Shares, the Participant is deemed, for tax and/or social security contributions and other purposes, to have been issued the full number of Shares subject to the vested Performance Units, notwithstanding that a number of Shares are held back solely for the purposes of paying the Tax-Related Items due as a result of any aspect of the Participant’s participation in the Plan.

(d) The Participant shall pay to the Company or the Employer any amount of Tax-Related Items that the Company or the Employer may be required to withhold or account for as a result of the Participant’s participation in the Plan that cannot be satisfied by the means previously described. The Participant expressly acknowledges that the delivery of Shares pursuant to Section 3(c) above is conditioned on satisfaction of all Tax-Related Items in accordance with this Section 6, and that the Company may refuse to deliver the Shares if the Participant fails to comply with the Participant’s obligations in connection with the Tax-Related Items.

SECTION 7. Consents and Legends.

(a) Consents. The Participant’s rights in respect of the Performance Units are conditioned on the receipt to the full satisfaction of the Committee of any required consents that the Committee may determine to be necessary or advisable (including, without limitation, the Participant’s consent to the Company’s supplying to any third-party recordkeeper of the Plan such personal information as the Committee deems advisable to administer the Plan, as may further be described to the extent applicable discussing applicable data privacy considerations in an addendum to this Award Agreement, as described in Section 18).

(b) Legends. The Company may affix to certificates for Shares issued pursuant to this Award Agreement any legend that the Committee determines to be necessary or advisable (including to reflect any restrictions to which the Participant may be subject under any applicable securities laws). The Company may advise the applicable transfer agent to place a stop order against any legended Shares.

SECTION 8. Nature of Award. As a condition to the receipt of this Award, the Participant acknowledges, understands and agrees that:

(a) the Plan is established voluntarily by the Company, is discretionary in nature and may be modified, amended, suspended or terminated by the Company at any time, unless otherwise provided in the Plan and this Award Agreement;

(b) this Award is exceptional, voluntary and occasional and does not create any contractual or other right to receive future awards of Performance Units, or benefits in lieu of Performance Units, even if Performance Units have been granted repeatedly in the past;

(c) all decisions with respect to future awards of Performance Units, if any, will be at the sole discretion of the Company;

(d) the Participant’s participation in the Plan shall not create a right to further employment with the Employer and shall not interfere with the ability of the Employer to terminate the Participant’s employment relationship at any time;

(e) the Participant’s participation in the Plan is voluntary;

(f) the Performance Units and the Shares subject to the Performance Units are extraordinary items that do not constitute compensation of any kind for services of any kind rendered to the Company or the Employer, and

which are outside the scope of the Participant’s employment agreement, if any, unless such agreement is directly with the Company and specifically provides to the contrary;

(g) the Performance Units and the Shares subject to the Performance Units, and the income and value thereof, are not intended to replace any pension rights or compensation;

(h) the Performance Units and the Shares subject to the Performance Units, and the income and value of same, are not part of normal or expected compensation or salary for any purposes, including, without limitation, calculating any severance, resignation, termination, redundancy, dismissal, end-of-service payments, bonuses, long-service awards, pension or retirement or welfare benefits or similar payments and in no event should be considered as compensation for, or relating in any way to, past services for the Company, the Employer, or any Affiliate;

(i) this Award and the Participant’s participation in the Plan will not be interpreted to form or amend an employment or service agreement or relationship with the Company or any Affiliate;

(j) the future value of the underlying Shares is unknown and cannot be predicted with certainty;

(k) no claim or entitlement to compensation or damages shall arise from forfeiture of the Performance Units resulting from termination of the Participant’s employment or other service relationship by the Company or the Employer (for any reason whatsoever, whether or not later found to be invalid or in breach of employment laws in the jurisdiction where Participant is employed or the terms of Participant’s employment agreement, if any);

(l) except as otherwise provided by the Committee or the Grant Notice, in the event of termination of the Participant’s employment or service relationship, the Participant’s right to vest in the Performance Units under the Plan, if any, will terminate effective as of the date the Participant is no longer actively providing services to the Company, the Employer or any Affiliate of the Company (regardless of the reason for such termination and whether or not later found to be invalid or in breach of employment laws in the jurisdiction where the Participant is employed or the terms of the Participant’s employment agreement, if any), and unless otherwise expressly provided in this Award Agreement or determined by the Company, the Participant’s right to vest in the Performance Units under the Plan, if any, will terminate as of such date and will not be extended by any notice period (e.g., the Participant’s period of service would not include any contractual notice period or any period of “garden leave” or similar period mandated under employment laws in the jurisdiction where the Participant is employed or the terms of the Participant’s employment agreement, if any); the Committee shall have the exclusive discretion to determine when the Participant is no longer actively providing services for purposes of the Performance Units (including whether the Participant may still be considered to be providing services while on a leave of absence);

(m) unless otherwise agreed with the Company, Performance Units and Shares subject to the Performance Units, and the income and value of same, are not granted as consideration for, or in connection with, the service Participant may provide as a director of an Affiliate;

(n) the Performance Units and the benefits under the Plan, if any, will not automatically transfer to a successor company in the case of a Change in Control or a merger, takeover, or transfer of liability of the Employer; and

(o) neither the Company nor the Employer or any Affiliate shall be liable for any foreign exchange rate fluctuation between the Participant’s local currency and the United States Dollar that may affect the value of the Award or of any amounts due to the Participant for the settlement of the Performance Units or the subsequent sale of any Shares acquired upon settlement.

SECTION 9. No Advice Regarding Grant. Nothing in this Award Agreement should be viewed as the provision by the Company of any tax, legal, or financial advice, nor is the Company making any recommendations regarding the Participant’s participation in the Plan, or the Participant’s acquisition or sale of the underlying Shares.

The Participant understands and agrees that the Participant should consult with the Participant’s own personal tax, legal and financial advisors regarding the Participant’s participation in the Plan before taking any action in relation thereto.

SECTION 10. Adjustments. Without limiting Section 4(b) of the Plan, in the event of any change in the outstanding Shares by reason of any stock split, stock dividend, split-up, split-off, spin-off, recapitalization, merger, consolidation, rights offering, reorganization, combination or exchange of shares, sale by the Company of all or part of its assets, distribution to shareholders other than a normal cash dividend, or other extraordinary or unusual event occurring after the Grant Date and prior to the end of the settlement date, that affects the value of the Performance Units or Shares, the number, class and kind of the securities subject to the Performance Units, or the number of Performance Units, or the Performance-Vesting Conditions, as appropriate, shall be adjusted by the Committee to reflect the occurrence of such event.

SECTION 11. Electronic Delivery. The Company may, in its sole discretion, decide to deliver any documents related to current or future participation in the Plan by electronic means. Receipt of this Award is conditioned upon the Participant’s consent to such electronic delivery and the Participant’s agreement to participate in the Plan through an online or electronic system established and maintained by the Company or a third party designated by the Company.

SECTION 12. Successors and Assigns of the Company. The terms and conditions of this Award Agreement shall be binding upon and shall inure to the benefit of the Company and its successors and assigns.

SECTION 13. Committee Discretion. The Committee shall have full and plenary discretion with respect to any actions to be taken or determinations to be made in connection with this Award Agreement, and its determinations shall be final, binding and conclusive.

SECTION 14. Dispute Resolution.

(a) Jurisdiction and Venue. Notwithstanding any provision in any employment agreement between the Participant and the Company or any Affiliate, the Participant and the Company hereby irrevocably submit to the exclusive jurisdiction of (i) the United States District Court for the District of Delaware and (ii) the courts of the State of Delaware for the purposes of any action, suit or other proceeding arising out of this Award Agreement or the Plan. The Participant and the Company agree to commence any such action, suit or proceeding either in the United States District Court for the District of Delaware or, if such action, suit or other proceeding may not be brought in such court for jurisdictional reasons, in the courts of the State of Delaware. The Participant and the Company further agree that service of any process, summons, notice or document by U.S. registered mail (or its equivalent in the Participant’s country of residence) to the applicable address set forth in Section 15 below shall be effective service of process for any action, suit or proceeding in Delaware with respect to any matters to which the Participant has submitted to jurisdiction in this Section 14(a). The Participant and the Company irrevocably and unconditionally waive any objection to the laying of venue of any action, suit or proceeding arising out of this Award Agreement or the Plan in (A) the United States District Court for the District of Delaware, or (B) the courts of the State of Delaware, and hereby and thereby further irrevocably and unconditionally waive and agree not to plead or claim in any such court that any such action, suit or proceeding brought in any such court has been brought in an inconvenient forum.

(b) Waiver of Jury Trial. Notwithstanding any provision in the Participant’s employment agreement, if any, between the Participant and the Company, the Participant and the Company hereby waive, to the fullest extent permitted by applicable law, any right either may have to a trial by jury in respect to any litigation directly or indirectly arising out of, under or in connection with this Award Agreement or the Plan.

(c) Confidentiality. The Participant hereby agrees to keep confidential the existence of, and any information concerning, a dispute described in this Section 14, except that the Participant may disclose information concerning such dispute to the court that is considering such dispute or to the Participant’s legal counsel (provided that

such counsel agrees not to disclose any such information other than as necessary to the prosecution or defense of the dispute).

SECTION 15. Notice. All notices, requests, demands and other communications required or permitted to be given under the terms of this Award Agreement shall be in writing and shall be deemed to have been duly given when delivered by hand or overnight courier or three Business Days after they have been mailed by U.S. registered mail (or its equivalent in the Participant’s country of residence), return receipt requested, postage prepaid, addressed to the other party as set forth below:

If to the Company:	First Solar Inc. 350 W Washington Street, Suite 600 Tempe, AZ 85281 Attention: Stock Plan Administrator
If to the Participant:	To the address most recently supplied to the Company and set forth in the Company’s records

The parties may change the address to which notices under this Award Agreement shall be sent by providing written notice to the other in the manner specified above. For this purpose, “Business Day” means a day that is not a Saturday, a Sunday or a day on which banking institutions are legally permitted to be closed in Phoenix, Arizona, U.S.

SECTION 16. Governing Law. This Award Agreement shall be deemed to be made in the State of Delaware, and the validity, construction and effect of this Award Agreement in all respects shall be determined in accordance with the laws of the State of Delaware, without giving effect to the conflict of law principles thereof.

SECTION 17. Headings. Headings are given to the Sections and subsections of this Award Agreement solely as a convenience to facilitate reference. Such headings shall not be deemed in any way material or relevant to the construction or interpretation of this Award Agreement or any provision thereof.

SECTION 18. Country-Specific or Other Addenda.

(a) Notwithstanding any provisions in this Award Agreement or the Plan, this Award shall be subject to such special terms and conditions set forth in any Addendum attached hereto (“Addendum”) or as may later become applicable, as described herein.

(b) If the Participant becomes subject to the laws of a jurisdiction to which an Addendum applies, the special terms and conditions for such jurisdiction will apply to this Award to the extent the Committee determines that the application of such terms and conditions is necessary or advisable to comply with local laws or to facilitate the administration of the Plan; provided the imposition of the term or condition will not result in any adverse accounting expense with respect to the Award.

(c) Any Addendum attached hereto shall be considered a part of this Award Agreement.

SECTION 19. Severability. The provisions of this Award Agreement are severable, and, if any one or more provisions are determined to be illegal or otherwise unenforceable, in whole or in part, the remaining provisions nevertheless shall be binding and enforceable.

SECTION 20. Amendment of this Award Agreement. The Committee may waive any conditions or rights under, amend any terms of, or alter, suspend, discontinue, cancel or terminate this Award Agreement prospectively or retroactively; provided, however, that any such waiver, amendment, alteration, suspension, discontinuance, cancellation or termination that would materially and adversely impair the Participant’s rights under this Award Agreement shall not, to the extent of such impairment, be effective without the Participant’s consent (it being understood,

notwithstanding the foregoing proviso, that this Award Agreement and the Performance Units shall be subject to the provisions of Section 7(c) of the Plan).

SECTION 21. Imposition of Other Requirements. The Company reserves the right to impose other requirements on the Participant’s participation in the Plan, on the Performance Units and on any Shares acquired under this Award, to the extent that the Company determines it is necessary or advisable to comply with local law or facilitate the administration of the Plan, and to require the Participant to sign any additional agreements or undertakings that may be necessary to accomplish the foregoing.

SECTION 22. Award Conditioned On Terms and Conditions for Performance Units. As a condition to receipt of this Award, the Participant confirms that he/she has read and understood the documents relating to this Award (i.e., the Plan, this Award Agreement, including any Addendum) and accepts the terms of those documents accordingly.

SECTION 23. Counterparts. Where signature of this Award Agreement is contemplated in the Grant Notice or any Addendum, this Award Agreement may be signed in counterparts, with the same effect as if the signatures thereto and hereto were upon the same instrument.

SECTION 24. Code Section 409A. The vesting and settlement of Performance Units awarded pursuant to this Award Agreement are intended to either qualify for the “short-term deferral” exemption from Section 409A of the Code or to comply with Section 409A of the Code, as applicable, and the provisions of this Award Agreement will be interpreted, operated, and administered in a manner consistent with these intentions. Anything to the contrary in the Plan or this Award Agreement requiring the consent of the Participant notwithstanding, the Company reserves the right, to the extent the Company deems necessary or advisable in its sole discretion, to unilaterally amend or modify the Plan and/or this Award Agreement to ensure that the Performance Units qualify for exemption from or comply with Section 409A of the Code; provided, however, that the Company makes no representations that the Performance Units will be exempt from or comply with Section 409A of the Code, and makes no undertaking to preclude Section 409A of the Code from applying to the Performance Units, and the Company will have no liability to the Participant or any other party if a payment under this Award Agreement that is intended to be exempt from, or compliant with, Section 409A of the Code is not so exempt or compliant or for any action taken by the Committee with respect thereto. Notwithstanding anything to the contrary in the Plan, this Award Agreement or the Grant Notice, to the extent that the Participant is a “specified employee” (within the meaning of the Company’s established methodology for determining “specified employees” for purposes of Section 409A of the Code), payment or distribution of any amounts with respect to the Performance Units that are subject to Section 409A of the Code will be made as soon as practicable following the first business day of the seventh month following the Participant’s “separation from service” (within the meaning of Section 409A of the Code) from the Company and its Affiliates, or, if earlier, the date of the Participant’s death.

SECTION 25. Waiver. The Participant acknowledges that a waiver by the Company of breach of any provision of the Award Agreement shall not operate or be considered as a waiver of any other provision of the Award Agreement, or of any subsequent breach by the Participant or any other participant.

SECTION 26. Insider Trading Restrictions/Market Abuse Laws. The Participant acknowledges that the Participant may be subject to insider trading restrictions and/or market abuse laws that may affect his or her ability to acquire or sell the Shares or rights to the Shares issued in settlement of the Performance Units during such times as the Participant is considered to have “inside information” regarding the Company (as defined by the applicable laws in the Participant’s country). Any restrictions under these laws or regulations are separate from and in addition to any restrictions that may be imposed under any applicable Company insider trading policy. The Participant acknowledges that it is his or her responsibility to comply with any applicable restrictions, and the Participant should consult his or her personal advisor on this matter.

SECTION 27. Foreign Asset/Account, Exchange Control and Tax Reporting. The Participant acknowledges that the Participant may be subject to foreign asset/account, exchange control and/or tax reporting

requirements as a result of the acquisition, holding and/or transfer of Shares or cash (including dividends and the proceeds arising from the sale of Shares) derived from his or her participation in the Plan in, to and/or from a brokerage/bank account or legal entity located outside the Participant’s country. The applicable laws of the Participant’s country may require that the Participant report such accounts, assets, the balances therein, the value thereof and/or the transactions related thereto to the applicable authorities in such country. The Participant acknowledges that he or she is responsible for ensuring compliance with any applicable foreign asset/account, exchange control and tax reporting requirements and should consult his or her personal legal advisor on this matter.

SECTION 28. Entire Agreement. This Award Agreement (including any addenda), the Grant Notice and the Plan contain the entire agreement and understanding of the parties hereto with respect to the subject matter contained herein and supersede all prior communications, representations and negotiations in respect thereto.

ADDENDUM

ADDITIONAL TERMS AND CONDITIONS APPLICABLE TO

AWARD AGREEMENT (PERF UNIT-008)

TERMS AND CONDITIONS

This Addendum, which is part of the Award Agreement, includes additional terms and conditions that govern the Award and that will apply to the Participant if he or she resides in one of the countries listed below. Capitalized terms that are not defined in this Addendum shall have the meanings used or defined in the Award Agreement or the Plan.

NOTIFICATIONS

This Addendum also includes information regarding securities, exchange control and certain other issues of which the Participant should be aware with respect to his or her participation in the Plan. The information is based on the securities, exchange control and other laws in effect in the countries set forth below as of August 2017. Such laws are often complex and change frequently. As a result, the Company strongly recommends that the Participant not rely solely on this Addendum for information relating to the consequences of participating in the Plan because such information may be outdated when the Participant’s Performance Units vest and/or the Participant sells any Shares acquired on a settlement date.

In addition, the information set forth in this Addendum is general in nature and may not apply to the Participant’s particular situation. As a result, the Company is not in a position to assure the Participant of any particular result. The Participant therefore should seek appropriate professional advice as to the application of relevant laws in the Participant’s country to the Participant’s particular situation.

Finally, if the Participant is a citizen or resident of a country other than the one in which he or she currently is working, or transfers to a different country after the Grant Date, the information set forth in this Addendum may not apply to the Participant.

ALL COUNTRIES OUTSIDE THE U.S.

Data Privacy.

(a) The Participant hereby explicitly and unambiguously consents to the collection, use and transfer, in electronic or other form, of personal data set forth in this Award Agreement and any other Award grant materials by and among, as applicable, the Employer, the Company and its Affiliates for the exclusive purpose of implementing, administering and managing the Participant’s participation in the Plan.

(b) The Participant understands that the Company and the Employer may hold certain personal information about him/her, including, without limitation, the Participant’s name, home address, email address, and telephone number, date of birth, social insurance number, passport or other identification number, salary, nationality, job title, any Shares or directorships held in the Company, details of all Awards or any other entitlement to Shares awarded, canceled, exercised, vested, unvested or outstanding in the Participant’s favor (“Data”), for the exclusive purpose of implementing, administering and managing the Plan.

(c) The Participant understands that Data will be transferred to E*Trade Financial (or one of its affiliates) or such other stock plan service provider as may be selected by the Committee in the future (any such entity, “Broker”), which is assisting the Company with the implementation, administration and management of the Plan. The Participant understands that the recipients of the Data may be located in the United States or elsewhere, and that the recipients’ country (e.g., the United States) may have different data privacy laws and protections than the

Participant’s country. The Participant understands that the Participant may request a list with the names and addresses of any potential recipients of the Data by contacting the Participant’s local human resources representative. The Participant authorizes the Company, the Broker and any other possible recipients that may assist the Company (presently or in the future) with implementing, administering and managing the Plan to receive, possess, use, retain and transfer the Data, in electronic or other form, for the sole purpose of implementing, administering and managing the participation of the Participant and other participants in the Plan. The Participant understands that Data will be held only as long as is necessary to implement, administer and manage the Participant’s participation in the Plan. The Participant understands that he/she may, at any time, view Data, request information about the storage and processing of Data, require any necessary amendments to Data or refuse or withdraw the consents herein, in any case without cost, by contacting in writing the Participant’s local human resources representative or the Company’s Stock Plan Administrator. Further, the Participant understands that he or she is providing the consents herein on a purely voluntary basis. If the Participant does not consent, or if the Participant later seeks to revoke his or her consent, his or her employment status or service with the Employer will not be adversely affected; the only consequence of refusing or withdrawing the Participant’s consent is that the Company would not be able to grant Performance Units or other equity awards to the Participant or administer or maintain such awards. Therefore, the Participant understands that refusing or withdrawing the Participant’s consent will not adversely affect the Participant’s employment status or service with the Employer; the only consequence of refusing or withdrawing consent is it affects the Participant’s ability to participate in the Plan. For more information on the consequences of a refusal to consent or withdrawal of consent, the Participant may contact his/her local human resources representative or the Company’s Stock Plan Administrator.

Language. If the Participant receives the Award Agreement or any other document related to the Plan translated into a language other than English and if the meaning of the translated version is different than the English version, the English version will control.

AUSTRALIA

TERMS AND CONDITIONS

Australian Offer Document. The Participant’s right to participate in the Plan, vest in the Performance Units, and receive the Shares underlying the Performance Units granted under the Plan is subject to the terms and conditions stated in the Plan, the Australian Offer Document, the Award Agreement and this Addendum, all of which are intended to comply with the provisions of the Australian Corporations Act 2001, ASIC Regulatory Guide 49 and ASIC Class Order CO 14/1000.

Performance Units Payable in Shares Only. Notwithstanding any discretion in the Plan, due to securities law considerations in Australia, the Performance Units will be settled in Shares only. The Performance Units do not provide any right for the Participant to receive a cash payment.

Tax Information. The Plan is a plan to which Subdivision 83A-C of the Income Tax Assessment Act 1997 (Cth) applies (subject to conditions in the Act).

NOTIFICATIONS

Exchange Control Notification. Exchange control reporting is required for cash transactions exceeding A$10,000 and international fund transfers. If there is an Australian bank assisting with the transaction, the Australian bank will file the report for the Participant. If there is no Australian bank involved in the transaction, the Participant must file the report.

BELGIUM

NOTIFICATIONS

Tax Reporting Notification. The Participant must report any taxable income attributable to the Performance Units on the Participant’s annual tax return.

Foreign Asset/Account Reporting Notification. The Participant must report securities held (including Shares) or any bank or brokerage accounts opened and maintained outside Belgium on the Participant’s annual tax return. In a separate report, the Participant is required to report to the National Bank of Belgium the details of such accounts opened and maintained outside Belgium. This report, as well as additional information on how to complete it, can be found on the website of the National Bank of Belgium, www.nbb.be, under the Kredietcentrales / Centrales des crédits caption.

Stock Exchange Tax. From January 1, 2017, a stock exchange tax applies to transactions executed by a Belgian resident through a non-Belgian financial intermediary, such as a U.S. broker. The stock exchange tax will likely apply when Shares acquired upon vesting of the Performance Units are sold. The Participant should consult with his or her personal tax advisor for additional details on his or her obligations with respect to the stock exchange tax.

BRAZIL

TERMS AND CONDITIONS

Compliance with Law. By accepting the Award, the Participant agrees to comply with applicable Brazilian laws and pay any and all applicable taxes associated with the issuance of Shares upon vesting of the Performance Units, the subsequent sale of Shares issued in settlement of the Performance Units, and the receipt of any dividends.

Labor Law Acknowledgement. By accepting the Award, the Participant agrees that he or she is (i) making an investment decision, (ii) the Shares will be issued to the Participant only if the vesting conditions are met, and (iii) the value of the underlying Shares is not fixed and may increase or decrease in value over the vesting period without compensation to the Participant.

NOTIFICATIONS

Foreign Asset/Account Reporting Notification. If the Participant holds assets and rights outside Brazil with an aggregate value exceeding US$100,000, the Participant will be required to prepare and submit to the Central Bank of Brazil an annual declaration of such assets and rights, including: (i) bank deposits; (ii) loans; (iii) financing transactions; (iv) leases; (v) direct investments; (vi) portfolio investments, including Shares acquired under the Plan; (vii) financial derivatives investments; and (viii) other investments, including real estate and other assets. In addition, if the Participant holds such assets and rights outside Brazil with an aggregate value exceeding US$100,000,000, then quarterly reporting to the Central Bank of Brazil is required.

Please note that foreign individuals holding Brazilian visas are considered Brazilian residents for purposes of this reporting requirement and must declare at least the assets held abroad that were acquired subsequent to the date of admittance as a resident of Brazil. Individuals holding assets and rights outside Brazil valued at less than US$100,000 are not required to submit a declaration. Please note that the US$100,000 threshold may be changed annually.

Tax on Financial Transaction (“IOF”). Cross-border financial transactions relating to Performance Units may be subject to the IOF (tax on financial transactions). The Participant should consult with his or her personal tax advisor for additional details.

CANADA

TERMS AND CONDITIONS

Performance Units Payable in Shares Only. Notwithstanding any discretion in the Plan, due to securities law considerations in Canada, the Performance Units will be settled in Shares only. The Performance Units do not provide any right for the Participant to receive a cash payment.

Termination of Employment. The following provision replaces Section 8(l) of the Award Agreement:

Except as otherwise provided by the Committee or the Grant Notice, in the event of termination of the Participant’s employment (regardless of the reason for such termination and whether or not later found invalid or in breach of employment laws in the jurisdiction where the Participant is employed or the terms of the Participant’s employment agreement, if any), the Participant’s right to vest in the Performance Units under the Plan, if any, will terminate effective as of the date that is the earlier of (i) the date on which the Participant’s employment is terminated by the Company or the Employer, (ii) the date on which the Participant receives a notice of termination of employment from the Company or the Employer, or (iii) the date on which the Participant is no longer providing active services to the Company or Employer, regardless of any notice period or period of pay in lieu of such notice required under local law; the Committee shall have the exclusive discretion to determine when the Participant is no longer employed for purposes of the Performance Units (including whether the Participant may still be considered to be providing services while on a leave of absence).

The following terms and conditions apply if the Participant is in Quebec:

Authorization to Release and Transfer Necessary Personal Information. The following provision supplements the “Data Privacy” provision set forth above in this Addendum:

The Participant hereby authorizes the Company and the Company’s representatives to discuss with and obtain all relevant information from all personnel, professional or not, involved in the administration and operation of the Plan. The Participant further authorizes the Company and/or any Affiliate to disclose and discuss the Plan with their advisors. The Participant further authorizes the Company and any Affiliate to record and keep such information in the Participant’s employment file.

French Language Acknowledgment. The following provision supplements the “Language” provision set forth above in this Addendum:

The parties acknowledge that it is their express wish that this Award Agreement, as well as all documents, notices and legal proceedings entered into, given or instituted pursuant hereto or relating directly or directly hereto, be drawn up in English.

Les parties reconnaissent avoir exigé la rédaction en anglais de cette convention, ainsi que de tous documents, avis et procédures judiciaires, exécutés, donnés ou intentés en vertu de, ou liés directement ou indirectement à, la présente convention.

NOTIFICATIONS

Securities Law Notification. The Participant will not be permitted to sell or otherwise dispose of the Shares acquired under the Plan within Canada. The Participant will be permitted to sell or dispose of any Shares only if such sale or disposal takes place outside Canada through the facilities of the stock exchange on which the Shares are traded.

Foreign Asset/Account Reporting Notification. If the total cost of the Participant’s foreign property (including cash held outside Canada and Performance Units and Shares acquired under the Plan) exceeds C$100,000 at any time during

the year, the Participant must report all of his or her foreign property on Form T1135 (Foreign Income Verification Statement). Thus, unvested Performance Units must be reported (generally at a nil cost) if the C$100,000 cost threshold is exceeded by other foreign property the Participant holds. When Shares are acquired, their cost generally is the adjusted cost base (“ACB”) of the Shares. The ACB typically equals the fair market value of the Shares at the time of acquisition, but if the Participant owns other Shares, the ACB may have to be averaged with the ACB of the other Shares. The Participant should consult with his or her personal tax advisor to ensure compliance with any reporting requirements.

CHILE

NOTIFICATIONS

Securities Law Notification. This grant of Performance Units constitutes a private offering of securities in Chile effective as of the Grant Date. This offer of Performance Units is made subject to general ruling n° 336 of the Chilean Superintendence of Securities and Insurance (“SVS”). The offer refers to securities not registered at the securities registry or at the foreign securities registry of the SVS, and, therefore, such securities are not subject to oversight of the SVS.  Given that the Performance Units are not registered in Chile, the Company is not required to provide public information about the Performance Units or the Shares in Chile. Unless the Performance Units and/or the Shares are registered with the SVS, a public offering of such securities cannot be made in Chile.

Esta Oferta de Performance Units constituye una oferta privada de valores en Chile y se inicia en la Fecha de la Oferta. Esta oferta de Performance Units se acoge a las disposiciones de la Norma de Carácter General Nº 336 (“NCG 336”) de la Superintendencia de Valores y Seguros de Chile (“SVS”).  Esta oferta versa sobre valores no inscritos en el Registro de Valores o en el Registro de Valores Extranjeros que lleva la SVS, por lo que tales valores no están sujetos a la fiscalización de ésta. Por tratarse de valores no inscritos en Chile no existe la obligación por parte de la Compañía de entregar en Chile información pública respecto de los mismos. Estos valores no podrán ser objeto de oferta pública en Chile mientras no sean inscritos en el Registro de Valores correspondiente.

Exchange Control Notification.The Participant is not required to repatriate funds obtained from the sale of Shares or the receipt of any dividends. However, if the Participant decides to repatriate such funds, the Participant must do so through the Formal Exchange Market (“Mercado Cambiario Formal”) if the amount of the funds exceeds US$10,000. In such case, the Participant must report the payment to a commercial bank or registered foreign exchange office receiving the funds.

If the Participant’s aggregate investments held outside Chile meets or exceeds US$5,000,000 (including the investments made under the Plan), the Participant must report the investments annually to the Central Bank (“Banco Central de Chile”), no later than 60 calendar days following the closing of the month of December. Annex 3.1 of Chapter XII of the Foreign Exchange Regulations must be used to file this report.

Please note that exchange control regulations in Chile are subject to change. The Participant should consult with his or her personal legal advisor regarding any exchange control obligations that the Participant may have prior to the vesting of the Performance Units.

Annual Tax Reporting Obligation. The Chilean Internal Revenue Service (“CIRS”) requires Chilean residents to report the details of their foreign investments on an annual basis. Foreign investments include Shares acquired under the Plan. Further, if the Participant wishes to receive a credit against his or her Chilean income taxes for any taxes paid abroad, the Participant must also report the payment of taxes abroad to the CIRS. These reports must be submitted electronically through the CIRS website at www.sii.cl in accordance with applicable deadlines. In addition, Shares acquired upon settlement of the Performance Units must be registered with the CIRS’s Foreign Investment Registry. The Participant should consult with his or her personal legal and tax advisors to ensure compliance with applicable requirements.

FRANCE

TERMS AND CONDITIONS

Performance Units Not Tax-Qualified. The Participant understands that the Performance Units are not intended to be French tax-qualified pursuant to Section L. 225-197 1 to L. 225-197 6 of the French Commercial Code, as amended.

Language Consent. By accepting the Performance Units, the Participant confirms having read and understood the Plan and the Award Agreement, including all terms and conditions included therein, which were provided in the English language. The Participant accepts the terms of those documents accordingly.

En acceptant ces <<Performance Units>>, le Participant confirme avoir lu et compris le Plan et le convention, incluant tous leurs termes et conditions, qui ont été transmis en langue anglaise. Le Participant accepte les dispositions de ces documents en connaissance de cause.

NOTIFICATIONS

Foreign Asset/Account Reporting Notification. If the Participant holds securities (e.g., Shares) or maintains a foreign bank account, this must be reported to the French tax authorities when filing his or her annual tax return, whether such accounts are open, current or closed. Failure to comply could trigger significant penalties. The Participant should consult with his or her personal tax advisor to ensure compliance with applicable reporting obligations.

GERMANY

NOTIFICATIONS

Exchange Control Notification. Cross-border payments in connection with the sale of securities or any dividends received in relation to Shares in excess of €12,500 must be reported monthly to the German Federal Bank. The Participant is responsible for satisfying the reporting obligation and must file the report electronically by the fifth day of the month following the month in which the payment is made. A copy of the form can be accessed via the German Federal Bank’s website at www.bundesbank.de and is available in both German and English. No report is required for payments less than €12,500.

HONDURAS

There are no country-specific provisions.

INDIA

NOTIFICATIONS

Exchange Control Notification. The Participant understands that the Performance Units are subject to compliance with the exchange control requirements of the Reserve Bank of India. The Participant understands that he or she must repatriate and convert the proceeds into local currency from the sale of Shares acquired under the Plan within ninety (90) days of receipt and any proceeds from dividends paid on Shares held within one-hundred eighty (180) days of receipt, or within other such period of time as may be required under applicable regulations. The Participant will receive a foreign inward remittance certificate (“FIRC”) from the bank where the Participant deposits the foreign currency. The Participant should maintain the FIRC as evidence of the repatriation of funds in the event the Reserve Bank of India or the Employer requests proof of repatriation. The Participant should consult with his or her personal legal advisor to ensure compliance with the applicable requirements.

Foreign Asset/Account Reporting Notification.  The Participant is required to declare any foreign bank accounts and foreign financial assets (including Shares held outside India) in the Participant’s annual tax return.  It is the Participant’s responsibility to comply with this reporting obligation and the Participant should consult with his or her personal tax advisor in this regard.

INDONESIA

NOTIFICATIONS

Exchange Control Notification. Indonesian residents are obligated to provide Bank Indonesia with information on foreign exchange activities via a monthly report. Repatriation of proceeds from the sale of Shares or dividends back to Indonesia will trigger the reporting requirement. The report should be submitted online through Bank Indonesia’s website no later than the 15th day of the month following the month in which the activity occurred.

In addition, if proceeds from the sale of Shares or dividends are repatriated to Indonesia, the Indonesian bank handling the transaction is responsible for submitting a report to Bank Indonesia. The Participant should be prepared to provide information, data and/or supporting documents upon request from the bank for purposes of preparing the report.

JAPAN

NOTIFICATIONS

Foreign Asset/Account Reporting Notification. The Participant is required to report details of any assets held outside Japan as of December 31, including Shares, to the extent such assets have a total net fair market value exceeding ¥50,000,000. Such report will be due from the Participant by March 15 each year. The Participant is responsible for complying with this reporting obligation and should confer with his or her personal tax advisor as to whether the Participant will be required to report the details of Performance Units or Shares he or she holds.

JORDAN

There are no country-specific provisions.

MALAYSIA

TERMS AND CONDITIONS

Data Privacy. The following provision replaces the “Data Privacy” provision set forth above in this Addendum:

The Participant hereby explicitly, voluntarily and unambiguously consents to the collection, use and transfer, in electronic or other form, of his or her personal data as described in the Award Agreement and any other Plan participation materials by and among, as applicable, the Company, the Employer and any other Affiliate or any third parties authorized by same in assisting in the implementation, administration and management of the Participant’s participation in the Plan.  The Participant may have previously provided the Company and the Employer with, and the Company Peserta dengan ini secara jelas, secara sukarela dan tanpa sebarang keraguan mengizinkan pengumpulan, penggunaan dan pemindahan, dalam bentuk elektronik atau lain-lain, data peribadinya seperti yang dinyatakan dalam Perjanjian ini dan apa-apa bahan penyertaan Pelan oleh dan di antara, sebagaimana yang berkenaan, Syarikat, Penerima Perkhidmatan dan mana-mana Syarikat Induk atau Anak Syarikat lain atau mana-mana pihak ketiga yang diberi kuasa oleh yang sama untuk membantu dalam pelaksanaan, pentadbiran dan pengurusan penyertaan Pesertadalam Pelan tersebut.

and the Employer may hold, certain personal information about the Participant, including, but not limited to, his or her name, home address, email address, and telephone number, date of birth, social insurance number, passport or other identification number, salary, nationality, job title, any shares of stock or directorships held in the Company, the fact and conditions of the Participant’s participation in the Plan, details of all Performance Units or any other entitlement to shares of stock awarded, cancelled, exercised, vested, unvested or outstanding in the Participant’s favor (“Data”), for the exclusive purpose of implementing, administering and managing the Plan. The Participant also authorizes any transfer of Data, as may be required, to such stock plan service provider as may be selected by the Company from time to time, which is assisting the Company with the implementation, administration and management of the Plan and/or with whom any Shares acquired upon vesting of the Performance Units are deposited.  The Participant acknowledges that these recipients may be located in the Participant’s country or elsewhere, and that the recipient’s country (e.g., the United States) may have different data privacy laws and protections to the Participant’s country, which may not give the same level of protection to Data.  The Participant understands that he or she may request a list with the names and addresses of any potential recipients of Data by contacting his or her local human resources representative. The Participant authorizes the Company, the stock plan service provider and any other possible recipients which may assist the Company (presently or in the future) with implementing, administering and managing the Participant’s participation in the Plan to receive, possess, use, retain and transfer Data, in electronic or other form, for the sole purpose of implementing, administering and managing the Participant’s participation in the Plan. The Participant understands that Data will be held only as long as is necessary to implement, administer and manage his or her participation in the Plan. The Participant understands that he or she may, at any time, view Data, request additional information about the storage and processing of Data, require any necessary amendments to Data or refuse or withdraw the consents herein, in any case, without cost, by contacting in writing his or her local human resources representative, whose contact details are: No 8, Jalan Hi-Tech 3/3 Zon Indusrtri Fasa 3, Kulim Hi Tech Park 09000, Kulim, Kedah Darul Aman Malaysia Further, the Participant understands that he or she is providing the consents herein on a purely voluntary basis.  If the Participant does not consent, or if the Participant later seeks to revoke the consent, his or her status and career with the Company and the Employer will not be adversely affected; the only adverse consequence of refusing or withdrawing the consent is that the Company would not be able to Sebelum ini, Pesertamungkin telah membekalkan Syarikat dan Penerima Perkhidmatan dengan, dan Syarikat dan Majikan mungkin memegang, maklumat peribadi tertentu tentang Peserta, termasuk, tetapi tidak terhad kepada, namanya , alamat rumah dan nombor telefon, alamat emel, tarikh lahir, insurans sosia, nombor pasport atau pengenalan lain, gaji, kewarganegaraan, jawatan, apa-apa syer dalam saham atau jawatan pengarah yang dipegang dalam Syarikat, fakta dan syarat-syarat penyertaan Peserta dalam Pelan, butir-butir semua opsyenatau apa-apa hak lain untuk syer dalam saham yang dianugerahkan, dibatalkan, dilaksanakan, terletak hak, tidak diletak hak ataupun bagi faedah Peserta (“Data”), untuk tujuan yang eksklusif bagi melaksanakan, mentadbir dan menguruskanPelan tersebut. Peserta juga memberi kuasa untuk membuat apa-apa pemindahan Data, sebagaimana yang diperlukan, kepada pembekal perkhidmatan pelan saham sebagaimana yang dipilih oleh Syarikatdari semasa ke semasa, yang membantu Syarikat dalam pelaksanaan, pentadbiran dan pengurusan Pelandan/atau dengan sesiapa yang mendepositkan Saham yang diperolehi melalui pelaksanaan Opsyen ini. Peserta mengakui bahawa penerima-penerima ini mungkin berada di negara Peserta atau di tempat lain, dan bahawa negara penerima (contohnya, Amerika Syarikat) mungkin mempunyai undang-undang privasi data dan perlindungan yang berbeza daripada negaraPeserta, yang mungkin tidak boleh memberi tahap perlindungan yang sama kepada Data. Peserta faham bahawa dia boleh meminta senarai nama dan alamat mana-mana penerima Data dengan menghubungi wakil sumber manusia tempatannya. Peserta memberi kuasa kepada Syarikat, pembekal perkhidmatan pelan saham dan mana-mana penerima lain yang mungkin membantu Syarikat (masa sekarang atau pada masa depan) untuk melaksanakan, mentadbir dan menguruskan penyertaan Peserta dalam Pelan untuk menerima, memiliki, menggunakan, mengekalkan dan memindahkan Data, dalam bentuk elektronik atau lain-lain, semata-mata dengan tujuan untuk melaksanakan, mentadbir dan menguruskan penyertaan Peserta dalam Pelan tersebut. Peserta faham bahawa Data akan dipegang hanya untuk tempoh yang diperlukan untuk melaksanakan, mentadbir dan menguruskan penyertaannya dalamPelan tersebut. Peserta faham bahawa dia boleh, pada bila-bila masa, melihat data, meminta maklumat tambahan mengenai penyimpanan dan pemprosesan Data, meminta bahawa pindaan-pindaan dilaksanakan ke atas Data atau menolak atau menarik balik persetujuan dalam ini, dalam mana-mana kes, tanpa kos, dengan menghubungi secara bertulis wakil sumber manusia di lokasi masing-masing, di mana butir-butir hubungannya adalah: No 8, Jalan Hi-Tech 3/3 Zon Indusrtri Fasa 3, Kulim Hi Tech Park 09000, Kulim, Kedah Darul Aman Malaysia Selanjutnya, Peserta memahami bahawa dia

grant future Performance Units or other equity awards to the Participant or administer or maintain such awards.  Therefore, the Participant understands that refusing or withdrawing his or her consent may affect his or her ability to participate in the Plan. For more information on the consequences of the refusal to consent or withdrawal of consent, the Participant understands that he or she may contact his or her local human resources representative. memberikan persetujuan di sini secara sukarela. Jika Peserta tidak bersetuju, atau jika Peserta kemudian membatalkan persetujuannya , status sebagai Pemberi Perkhidmatan dan kerjayanya dengan Penerima Perkhidmatan tidak akan terjejas; satunya akibat buruk jika dia tidak bersetuju atau menarik balik persetujuannya adalah bahawa Syarikat tidak akan dapat memberikan opsyen pada masa depan atau anugerah ekuiti lain kepada Peserta atau mentadbir atau mengekalkan anugerah tersebut. Oleh itu, Peserta faham bahawa keengganan atau penarikan balik persetujuannya boleh menjejaskan keupayaannya untuk mengambil bahagian dalamPelan tersebut. Untuk maklumat lanjut mengenai akibat keengganannya untuk memberikan keizinan atau penarikan balik keizinan,Peserta fahami bahawa dia boleh menghubungi wakil sumber manusia tempatannya .

Director Notification Obligation. If the Participant is a director of an Affiliate, the Participant is subject to certain notification requirements under the Malaysian Companies Act, 1965. Among these requirements is an obligation on the Participant’s part to notify the Malaysian Affiliate in writing when the Participant acquires an interest (e.g., Performance Units or Shares) in the Company or any related companies. In addition, the Participant must notify the Malaysian Affiliate when the Participant sells Shares (including Shares acquired under the Plan) or the shares of any related company. These notifications must be made within 14 days of acquiring or disposing of any interest in the Company or any related company.

MEXICO

TERMS AND CONDITIONS

Labor Law Acknowledgment. By accepting the Award, the Participant acknowledges that he or she understands and agrees that: (a) the Performance Units are not related to the salary and other contractual benefits provided to the Participant by the Employer; and (b) any modification of the Plan or its termination shall not constitute a change or impairment of the terms and conditions of the Participant’s employment.

Policy Statement. The invitation the Company is making under the Plan is unilateral and discretionary and, therefore, the Company reserves the absolute right to amend it and discontinue it at any time without any liability to the Participant.

The Company, with registered offices at 350 West Washington Street, Suite 600, Tempe, Arizona 85281, United States of America is solely responsible for the administration of the Plan and participation in the Plan or the acquisition of Shares does not, in any way, establish an employment relationship between the Participant and the Company since the Participant is participating in the Plan on a wholly commercial basis and the sole employer is a Mexican legal entity that employs the Participant and to which he/she is subordinated, nor does it establish any rights between the Participant and the Employer.

Plan Document Acknowledgment. By accepting the Award, the Participant acknowledges that he or she has received a copy of the Plan, has reviewed the Plan and the Award Agreement in their entirety and fully understands and accepts all provisions of the Plan and the Award Agreement.

The Participant further acknowledges that having read and specifically and expressly approved the terms and conditions in the Section 8 of the Award Agreement, in which the following is clearly described and established: (a) participation in the Plan does not constitute an acquired right; (b) the Plan and participation in the Plan is offered by the Company

on a wholly discretionary basis; (c) participation in the Plan is voluntary; and (d) the Company and its Affiliates are not responsible for any decrease in the value of the Shares underlying the Performance Units.

Finally, the Participant does not reserve any action or right to bring any claim against the Company for any compensation or damages as a result of participation in the Plan and the Participant therefore grants a full and broad release to the Employer and the Company (including its Affiliates) with respect to any claim that may arise under the Plan.

Spanish Translation

Reconocimiento de la Ley Laboral. Al aceptar el Otorgamiento, el Beneficiario reconoce y acepta que: (a) las Unidades no se encuentran relacionadas con su salario ni con otras prestaciones contractuales concedidas por parte del Patrón; y (b) cualquier modificación del Plan o su terminación no constituye un cambio o impedimento de los términos y condiciones del empleo del Beneficiario.

Declaración de la Política. La invitación que hace la Compañía bajo el Plan es unilateral y discrecional, por lo que la Compañía se reserva el derecho absoluto de modificar e interrumpir el mismo en cualquier tiempo, sin ninguna responsabilidad para el Beneficiario.

La Compañía, con oficinas ubicadas en 350 West Washington Street, Suite 600, Tempe, Arizona 85281, United States of America, es la única responsable por la administración y la participación en el Plan, así como de la adquisición de acciones, por lo que de ninguna manera podrá establecerse una relación de trabajo entre el Beneficiario y la Compañía, ya que el Beneficiario participa únicamente en de forma comercial y que su único Patrón es una empresa legal Mexicana a quien se encuentra subordinado; la participación en el Plan tampoco genera ningún derecho entre el Beneficiario y el Patrón.

Reconocimiento del Plan de Documentos. Al aceptar el Otorgamiento, el Beneficiario reconoce que ha recibido una copia del Plan, que lo ha revisado junto con el Convenio, y que ha entendido y aceptado completamente las disposiciones contenidas en el Plan y en el Convenio.

Adicionalmente, al firmar el presente documento, el Beneficiario reconoce que ha leído y aprobado de manera expresa y específica los términos y condiciones contenidos en el apartado 8 del Convenio, el cual claramente establece y describe: (a) que la participación en el Plan no constituye un derecho adquirido; (b) que el Plan y la participación en el mismo es ofrecido por la Compañía en forma totalmente discrecional; (c) que la participación en el Plan es voluntaria; y (d) que la Compañía, así como sus Afiliadas, no son responsables por cualquier detrimento en el valor de las acciones que integran las Unidades.

Finalmente, el Beneficiario acepta no reservarse ninguna acción o derecho para interponer una demanda en contra de la Compañía por compensación, daño o perjuicio alguno como resultado de su participación en el Plan y en consecuencia, otorga al Patrón el más amplio y completo finiquito que en derecho proceda, así como a la Compañía y sus Afiliadas, respecto a cualquier demanda que pudiera originarse derivada del Plan.

NETHERLANDS

TERMS AND CONDITIONS

Labor Law Acknowledgment. By accepting the Performance Unit, the Participant acknowledges that: (i) the Performance Unit is intended as an incentive to remain employed with the Employer and is not intended as remuneration for labor performed; and (ii) the Performance Unit is not intended to replace any pension rights or compensation.

PHILIPPINES

NOTIFICATIONS

Securities Law Information. This offering is subject to exemption from the requirements of securities registration with the Philippines Securities and Exchange Commission, under Section 10.1 (k) of the Philippine Securities Regulation Code. Section 10.1(k) of the Philippine Securities Regulation Code provides as follows:

“Section 10.1 Exempt Transactions - The requirement of registration under Subsection 8.1 shall not apply to the sale of any security in any of the following section;

[. . .]

“(k) The sale of securities by an issuer to fewer than twenty (20) persons in the Philippines during any twelve-month period.”

THE SECURITIES BEING OFFERED OR SOLD HAVE NOT BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION UNDER THE SECURITIES REGULATION CODE. ANY FURTHER OFFER OR SALE THEREOF IS SUBJECT TO REGISTRATION REQUIREMENTS UNDER THE CODE UNLESS SUCH OFFER OR SALE QUALIFIES AS AN EXEMPT TRANSACTION.

The Participant acknowledges he or she is permitted to dispose or sell Shares acquired under the Plan provided the offer and resale of the Shares takes place outside the Philippines through the facilities of a stock exchange on which the Shares are listed. The Shares are currently listed on the NASDAQ Global Select Market in the United States of America.

SINGAPORE

NOTIFICATIONS

Securities Law Notification. The Performance Units are being granted to the Participant pursuant to the “Qualifying Person” exemption under section 273(1)(f) of the Singapore Securities and Futures Act (Chapter 289, 2006 Ed.) (“SFA”). The Plan has not been lodged or registered as a prospectus with the Monetary Authority of Singapore. The Participant should note that such Performance Unit grant is subject to section 257 of the SFA and the Participant will not be able to make any subsequent sale in Singapore, or any offer of such subsequent sale of the Shares underlying the Award, unless such sale or offer in Singapore is made (i) more thansix months from the Grant Date, (ii) pursuant to the exemptions under Part XIII Division (1) Subdivision (4) (other than section 280) of the SFA, or (iii) pursuant to, and in accordance with the conditions of, any other applicable provision of the SFA. The Shares are currently traded on the NASDAQ Global Select Market, which is located outside Singapore, and Shares acquired under the Plan may be sold through this exchange.

Chief Executive Officer/Director Notification Requirement.If the Participant is a Chief Executive Officer (“CEO”) director, associate director or shadow director of a Singaporean Affiliate, the Participant is subject to certain notification requirements under the Singapore Companies Act. Among these requirements is an obligation to notify the Singapore Affiliate in writing of an interest (e.g., unvested Performance Units, Shares, etc.) in the Company or any Affiliate within two (2) business days of (i) its acquisition or disposal, (ii) any change in previously disclosed interest (e.g., when Shares acquired at vesting are sold), or (iii) becoming the CEO or a director, associate director or shadow director.

THAILAND

NOTIFICATIONS

Exchange Control Notification. Thai resident Participants realizing US$50,000 or more in a single transaction from the sale of Shares issued to the Participant following the vesting and settlement of the Performance Units must repatriate the proceeds to Thailand and then convert such proceeds to Thai Baht or deposit the proceeds into a foreign currency account opened with any commercial bank in Thailand within 360 days of repatriation. If the amount of the Participant’s proceeds is US$50,000 or more, the Participant must specifically report the inward remittance to the Bank of Thailand on a Foreign Exchange Transaction Form. If the Participant fails to comply with these obligations, the Participant may be subject to penalties assessed by the Bank of Thailand. The Participant should consult his or her personal advisor before taking action with respect to the remittance of proceeds from the sale of Shares into Thailand. The Participant is responsible for ensuring compliance with all exchange control laws in Thailand.

TURKEY

NOTIFICATIONS

Securities Law Notification. Under Turkish law, the Participant is not permitted to sell any Shares acquired under the Plan in Turkey.  The Shares are currently traded on the NASDAQ Global Select Market, which is located outside Turkey, under the ticker symbol “FSLR” and the Shares may be sold through this exchange.

Exchange Control Notification. Turkish residents are permitted to purchase and sell securities or derivatives traded on exchanges abroad only through a financial intermediary licensed in Turkey. Therefore, the Participant may be required to appoint a Turkish broker to assist the Participant with the sale of the Shares acquired under the Plan. The Participant should consult his or her personal legal advisor before selling any Shares acquired under the Plan to confirm the applicability of this requirement to the Participant.

UNITED ARAB EMIRATES (“UAE”)

NOTIFICATIONS

Securities Law Notification. The Performance Units are available only for select employees of the Company and its Affiliates and is in the nature of providing employee incentives in the UAE. This Award Agreement, the Addendum, the Plan and other incidental communication materials are intended for distribution only to eligible employees for the purposes of an employee compensation or reward scheme, and must not be delivered to, or relied on, by any other person.

The Dubai Creative Clusters Authority, Emirates Securities and Commodities Authority and/or the Central Bank of the United Arab Emirates have no responsibility for reviewing or verifying any documents in connection with the Performance Units or this Award Agreement. Further, neither the Ministry of Economy nor the Dubai Department of Economic Development have approved this Award Agreement nor taken steps to verify the information set out in it, and have no responsibility for it.

The securities to which this Award Agreement relates may be illiquid and/or subject to restrictions on their resale. Individuals should conduct their own due diligence on the securities.

Residents of the UAE who do not understand or have questions regarding this Award Agreement, the Addendum or the Plan should consult an authorized financial adviser.

EX-31.01

EXHIBIT 31.01

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

PURSUANT TO 15 U.S.C. SECTION 7241, AS

ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Mark R. Widmar, certify that:

(1) I have reviewed the Quarterly Report on Form 10-Q of First Solar, Inc., a Delaware corporation, for the period ended June 30, 2018, as filed with the Securities and Exchange Commission;

(2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

(3) Based on my knowledge, the financial statements and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of and for, the periods presented in this report;

(4) The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an Annual Report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

(5) The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

July 26, 2018	By:	/s/ MARK R. WIDMAR
	Name:	Mark R. Widmar
	Title:	Chief Executive Officer

EX-31.02

EXHIBIT 31.02

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO 15 U.S.C. SECTION 7241, AS

ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Alexander R. Bradley, certify that:

(1) I have reviewed the Quarterly Report on Form 10-Q of First Solar, Inc., a Delaware corporation, for the period ended June 30, 2018, as filed with the Securities and Exchange Commission;

(2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

(3) Based on my knowledge, the financial statements and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of and for, the periods presented in this report;

(4) The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an Annual Report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

(5) The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

July 26, 2018	By:	/s/ ALEXANDER R. BRADLEY
	Name:	Alexander R. Bradley
	Title:	Chief Financial Officer

EX-32.01

EXHIBIT 32.01

CERTIFICATION OF

CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of First Solar, Inc., a Delaware corporation, for the period ended June 30, 2018, as filed with the Securities and Exchange Commission, each of the undersigned officers of First Solar, Inc. certifies pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to his respective knowledge:

(1) the quarterly report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) the information contained in the quarterly report fairly presents, in all material respects, the financial condition and results of operations of First Solar, Inc. for the periods presented therein.

July 26, 2018	By:	/s/ MARK R. WIDMAR
	Name:	Mark R. Widmar
	Title:	Chief Executive Officer

July 26, 2018	By:	/s/ ALEXANDER R. BRADLEY
	Name:	Alexander R. Bradley
	Title:	Chief Financial Officer

XML

Document - $ / shares	6 Months Ended
	Jun. 30, 2018	Jul. 20, 2018
Document Information [Line Items]
Entity Registrant Name	FIRST SOLAR, INC.
Entity Central Index Key	0001274494
Document Type	10-Q
Document Period End Date	Jun. 30, 2018
Amendment Flag	false
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Par Value Per Share	$ 0.001
Entity Common Stock, Shares Outstanding		104,802,050

XML

Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net sales	$ 309,318	$ 623,326	$ 876,583	$ 1,515,117
Cost of sales	317,376	512,433	711,843	1,320,040
Gross (loss) profit	(8,058)	110,893	164,740	195,077
Operating expenses:
Selling, general and administrative	50,854	48,957	91,980	97,156
Research and development	20,370	21,341	40,694	44,140
Production start-up	24,352	8,381	61,436	9,531
Restructuring and asset impairments	0	18,286	0	38,317
Total operating expenses	95,576	96,965	194,110	189,144
Operating (loss) income	(103,634)	13,928	(29,370)	5,933
Foreign currency gain (loss), net	2,422	(2,444)	(95)	(2,198)
Interest income	16,865	7,555	28,689	13,972
Interest expense, net	(6,065)	(6,374)	(11,247)	(15,543)
Other (loss) income, net	(4,328)	(2,699)	13,606	23,162
(Loss) income before taxes and equity in earnings	(94,740)	9,966	1,583	25,326
Income tax benefit (expense)	6,164	40,028	(5,461)	34,349
Equity in earnings, net of tax	40,085	1,969	38,338	1,417
Net (loss) income	$ (48,491)	$ 51,963	$ 34,460	$ 61,092
Net (loss) income per share:
Basic	$ (0.46)	$ 0.50	$ 0.33	$ 0.59
Diluted	$ (0.46)	$ 0.50	$ 0.32	$ 0.58
Weighted-average number of shares used in per share calculations:
Basic	104,776	104,338	104,664	104,221
Diluted	104,776	104,611	106,234	104,511

XML

Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net (loss) income	$ (48,491)	$ 51,963	$ 34,460	$ 61,092
Other comprehensive (loss) income:
Foreign currency translation adjustments	(15,059)	(4,038)	(9,045)	603
Unrealized gain (loss) on marketable securities and restricted investments, net of tax of $41, $(466), $3,151 and $(350)	506	4,523	(25,418)	(267)
Unrealized gain (loss) on derivative instruments, net of tax of $(914), $187, $(978), and $1,000	2,899	(298)	1,967	(2,452)
Other comprehensive (loss) income	(11,654)	187	(32,496)	(2,116)
Comprehensive (loss) income	(60,145)	52,150	1,964	58,976
Unrealized gain (loss) on marketable securities and restricted investments, tax	41	(466)	3,151	(350)
Unrealized gain (loss) on derivative instruments, tax	$ (914)	$ 187	$ (978)	$ 1,000

XML

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 2,024,491	$ 2,268,534
Marketable securities	1,110,421	720,379
Accounts receivable trade, net	125,379	211,797
Accounts receivable, unbilled and retainage	177,711	174,608
Inventories	234,201	172,370
Balance of systems parts	72,411	28,840
Project assets	62,475	77,931
Notes receivable, affiliate	21,398	20,411
Prepaid expenses and other current assets	157,553	157,902
Total current assets	3,986,040	3,832,772
Property, plant and equipment, net	1,484,177	1,154,537
PV solar power systems, net	316,564	417,108
Project assets	500,863	424,786
Deferred tax assets, net	93,730	51,417
Restricted cash and investments	332,043	424,783
Equity method investments	8,110	217,230
Goodwill	14,462	14,462
Intangibles assets, net	77,095	80,227
Inventories	119,160	113,277
Note receivable, affiliate	0	48,370
Other assets	93,448	85,532
Total assets	7,025,692	6,864,501
Current liabilities:
Accounts payable	161,139	120,220
Income taxes payable	29,822	19,581
Accrued expenses	381,053	366,827
Current portion of long-term debt	7,741	13,075
Deferred revenue	199,482	81,816
Other current liabilities	36,175	48,757
Total current liabilities	815,412	650,276
Accrued solar module collection and recycling liability	166,837	166,609
Long-term debt	448,554	380,465
Other liabilities	484,061	568,454
Total liabilities	1,914,864	1,765,804
Commitments and contingencies
Stockholders' equity:
Common stock, $0.001 par value per share; 500,000,000 shares authorized; 104,797,535 and 104,468,460 shares issued and outstanding at June 30, 2018 and December 31, 2017, respectively	105	104
Additional paid-in capital	2,809,272	2,799,107
Accumulated earnings	2,331,688	2,297,227
Accumulated other comprehensive (loss) income	(30,237)	2,259
Total stockholders' equity	5,110,828	5,098,697
Total liabilities and stockholders' equity	$ 7,025,692	$ 6,864,501

XML

Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2018	Dec. 31, 2017
Common Stock, Par or Stated Value Per Share	$ 0.001	$ 0.001
Common Stock, Shares Authorized	500,000,000	500,000,000
Common Stock, Shares Issued	104,797,535	104,468,460
Common Stock, Shares Outstanding	104,797,535	104,468,460

XML

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities:
Net income	$ 34,460	$ 61,092
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation, amortization and accretion	54,764	60,940
Impairments and net losses on disposal of long-lived assets	4,214	31,881
Share-based compensation	19,236	15,423
Equity in earnings, net of tax	(38,338)	(1,417)
Distributions received from equity method investments	12,394	11,180
Remeasurement of monetary assets and liabilities	6,178	(8,973)
Deferred income taxes	(49,788)	(21,887)
Gains on sales of marketable securities and restricted investments	(19,472)	(49)
Liabilities assumed by customers for the sale of systems	(60,307)	0
Other, net	(76)	29
Changes in operating assets and liabilities:
Accounts receivable, trade, unbilled and retainage	81,655	(135,234)
Prepaid expenses and other current assets	(27,384)	23,409
Inventories and balance of systems parts	(112,145)	55,221
Project assets and PV solar power systems	(1,167)	626,002
Other assets	(7,575)	(8,070)
Income tax receivable and payable	28,562	(12,231)
Accounts payable	22,627	(37,902)
Accrued expenses and other liabilities	134,961	(340,845)
Accrued solar module collection and recycling liability	1,057	6,771
Net cash provided by operating activities	83,856	325,340
Cash flows from investing activities:
Purchases of property, plant and equipment	(372,623)	(217,502)
Purchases of marketable securities and restricted investments	(761,633)	(364,277)
Proceeds from sales and maturities of marketable securities and restricted investments	471,444	252,809
Proceeds from sales of equity method investments	247,595	0
Payments received on notes receivable, affiliates	48,369	114
Other investing activities	(5,973)	2,414
Net cash used in investing activities	(372,821)	(326,442)
Cash flows from financing activities:
Repayment of long-term debt	(18,140)	(23,014)
Proceeds from borrowings under long-term debt, net of discounts and issuance costs	100,198	137,804
Payments of tax withholdings for restricted shares	(10,251)	(4,247)
Proceeds from commercial letters of credit	0	43,025
Contingent consideration payments and other financing activities	(1,816)	(16,650)
Net cash provided by financing activities	69,991	136,918
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(13,077)	3,072
Net (decrease) increase in cash, cash equivalents and restricted cash	(232,051)	138,888
Cash, cash equivalents and restricted cash, beginning of the period	2,330,476	1,415,690
Cash, cash equivalents and restricted cash, end of the period	2,098,425	1,554,578
Supplemental disclosure of noncash investing and financing activities:
Property, plant and equipment acquisitions funded by liabilities	165,670	48,742
Sale of system previously accounted for as sale-leaseback financing	31,992	0
Acquisitions currently or previously funded by liabilities and contingent consideration	15,798	17,657
Accrued interest capitalized to long-term debt	$ 1,679	$ 15,181

XML

1. Basis of Presentation

6 Months Ended

Jun. 30, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

1. Basis of Presentation

The accompanying unaudited condensed consolidated financial statements of First Solar, Inc. and its subsidiaries in this Quarterly Report have been prepared in accordance with generally accepted accounting principles in the United States of America (“U.S. GAAP”) for interim financial information and pursuant to the instructions to Form 10-Q and Article 10 of Regulation S-X of the Securities and Exchange Commission (the “SEC”). Accordingly, these interim financial statements do not include all of the information and footnotes required by U.S. GAAP for annual financial statements. In the opinion of First Solar management, all adjustments (consisting only of normal recurring adjustments) considered necessary for a fair statement have been included. Certain prior year balances have been reclassified to conform to the current year presentation.

The preparation of condensed consolidated financial statements in conformity with U.S. GAAP requires us to make estimates and assumptions that affect the amounts reported in our condensed consolidated financial statements and the accompanying notes. Despite our intention to establish accurate estimates and reasonable assumptions, actual results could differ materially from such estimates and assumptions. Operating results for the three and six months ended June 30, 2018 are not necessarily indicative of the results that may be expected for the year ending December 31, 2018 or for any other period. The condensed consolidated balance sheet at December 31, 2017 has been derived from the audited consolidated financial statements at that date, but does not include all of the information and footnotes required by U.S. GAAP for complete financial statements. These interim financial statements and notes should be read in conjunction with the audited financial statements and notes thereto for the year ended December 31, 2017 included in our Annual Report on Form 10-K, which has been filed with the SEC.

Unless expressly stated or the context otherwise requires, the terms “the Company,” “we,” “us,” “our,” and “First Solar” refer to First Solar, Inc. and its consolidated subsidiaries, and the term “condensed consolidated financial statements” refers to the accompanying unaudited condensed consolidated financial statements contained in this Quarterly Report.

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2. Recent Accounting Pronouncements

6 Months Ended

Jun. 30, 2018

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Recent Accounting Pronouncements

2. Recent Accounting Pronouncements

In February 2018, the Financial Accounting Standard Board (“FASB”) issued ASU 2018-02, Income Statement – Reporting Comprehensive Income (Topic 220) – Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income, to allow entities to reclassify the income tax effects of tax reform legislation commonly referred to as the Tax Cuts and Jobs Act (the “Tax Act”) on items within accumulated other comprehensive income to retained earnings. ASU 2018-02 is effective for fiscal years and interim periods within those years beginning after December 15, 2018, and early adoption is permitted. We are currently evaluating the impact ASU 2018-02 will have on our consolidated financial statements and associated disclosures.

In August 2017, the FASB issued ASU 2017-12, Derivatives and Hedging (Topic 815) – Targeted Improvements to Accounting for Hedging Activities, to simplify certain aspects of hedge accounting for both non-financial and financial risks and better align the recognition and measurement of hedge results with an entity’s risk management activities. ASU 2017-12 also amends certain presentation and disclosure requirements for hedging activities and changes how an entity assesses hedge effectiveness. ASU 2017-12 is effective for fiscal years and interim periods within those years beginning after December 15, 2018, and early adoption is permitted. We are currently evaluating the impact ASU 2017-12 will have on our consolidated financial statements and associated disclosures.

In October 2016, the FASB issued ASU 2016-16, Income Taxes (Topic 230) – Intra-Entity Transfers of Assets Other Than Inventory. ASU 2016-16 requires the recognition of income tax consequences of intra-entity transfers of assets, other than inventory, when the transfer occurs. Two common examples of assets included in the scope of ASU 2016-16 are intellectual property and long-lived assets. The adoption of ASU 2016-16 in the first quarter of 2018 did not have a significant impact on our consolidated financial statements and associated disclosures.

In June 2016, the FASB issued ASU 2016-13, Financial Instruments – Credit Losses (Topic 326), to provide financial statement users with more useful information about expected credit losses. ASU 2016-13 also changes how entities measure credit losses on financial instruments and the timing of when such losses are recorded. ASU 2016-13 is effective for fiscal years and interim periods within those years beginning after December 15, 2019, and early adoption is permitted for periods beginning after December 15, 2018. We are currently evaluating the impact ASU 2016-13 will have on our consolidated financial statements and associated disclosures.

In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842),to increase transparency and comparability among organizations by recognizing a right-of-use asset and a lease liability on the balance sheet for all leases with terms longer than 12 months. Leases will be classified as either operating or financing, with such classification affecting the pattern of expense recognition in the income statement. ASU 2016-02 is effective for fiscal years and interim periods within those years beginning after December 15, 2018, and early adoption is permitted. We are currently evaluating the impact ASU 2016-02 will have on our consolidated financial statements and associated disclosures.

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3. Restructuring and Asset Impairments (Notes)

6 Months Ended

Jun. 30, 2018

Restructuring and Related Activities [Abstract]

Restructuring and Asset Impairments

3. Restructuring and Asset Impairments

Cadmium Telluride Module Manufacturing and Corporate Restructuring

In November 2016, our board of directors approved a set of initiatives intended to accelerate our transition to Series 6 module manufacturing and restructure our operations to reduce costs and better align the organization with our long-term strategic plans. Accordingly, we expect to upgrade and replace our legacy manufacturing fleet over the next several years with Series 6 manufacturing equipment, thereby enabling the production of solar modules with a larger form factor, better product attributes, and a lower cost structure.

As part of these initiatives, we incurred net charges of $38.3 million during the six months ended June 30, 2017, which included (i) $25.2 million of charges, primarily related to net losses on the disposition of previously impaired Series 4 and Series 5 manufacturing equipment, (ii) $6.8 million of severance benefits to terminated employees, and (iii) $6.4 million of net miscellaneous charges, primarily related to contract terminations, the write-off of operating supplies, and other Series 4 manufacturing exit costs. During the three months ended June 30, 2017, we incurred net charges of $18.3 million, primarily as a result of net losses on the disposition of the aforementioned manufacturing equipment. Substantially all amounts associated with these restructuring and asset impairment charges related to our modules segment and were classified as “Restructuring and asset impairments” on our condensed consolidated statements of operations, and substantially all of the associated liabilities were paid or settled as of December 31, 2017.

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4. Cash, Cash Equivalents, and Marketable Securities

6 Months Ended

Jun. 30, 2018

Cash, Cash Equivalents, and Short-term Investments [Abstract]

Cash, Cash Equivalents, and Marketable Securities

4. Cash, Cash Equivalents, and Marketable Securities

We consider highly liquid investments with original maturities of three months or less at the time of purchase to be cash equivalents with the exception of time deposits, which are presented as marketable securities. Cash, cash equivalents, and marketable securities consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Cash and cash equivalents:
Cash	$	1,804,118	$	2,142,949
Money market funds	220,373		125,585
Total cash and cash equivalents	2,024,491		2,268,534
Marketable securities:
Foreign debt	299,961		238,858
Foreign government obligations	117,771		152,850
U.S. debt	38,562		73,671
Time deposits	654,127		255,000
Total marketable securities	1,110,421		720,379
Total cash, cash equivalents, and marketable securities	$	3,134,912	$	2,988,913

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within our condensed consolidated balance sheets as of June 30, 2018 and December 31, 2017 to the total of such amounts as presented in the condensed consolidated statement of cash flows (in thousands):

	Balance Sheet Line Item	June 30, 2018		December 31, 2017
Cash and cash equivalents	Cash and cash equivalents	$	2,024,491	$	2,268,534
Restricted cash – current (1)	Prepaid expenses and other current assets	6,554		11,120
Restricted cash – noncurrent (1)	Restricted cash and investments	67,380		50,822
Total cash, cash equivalents, and restricted cash		$	2,098,425	$	2,330,476

——————————

(1) See Note 5. “Restricted Cash and Investments” to our condensed consolidated financial statements for discussion of our “Restricted cash” arrangements.

During the three and six months ended June 30, 2018, we sold marketable securities for proceeds of $10.8 million and realized gains of less than $0.1 million on such sales. During the three and six months ended June 30, 2017, we sold marketable securities for proceeds of $15.1 million and $118.3 million, respectively, and realized gains of less than $0.1 million on such sales. See Note 8. “Fair Value Measurements” to our condensed consolidated financial statements for information about the fair value of our marketable securities.

The following tables summarize the unrealized gains and losses related to our available-for-sale marketable securities, by major security type, as of June 30, 2018 and December 31, 2017 (in thousands):

	As of June 30, 2018
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Foreign debt	$	302,899	$	1	$	2,939	$	299,961
Foreign government obligations	118,992		—		1,221		117,771
U.S. debt	38,607		2		47		38,562
Time deposits	654,127		—		—		654,127
Total	$	1,114,625	$	3	$	4,207	$	1,110,421

	As of December 31, 2017
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Foreign debt	$	240,643	$	3	$	1,788	$	238,858
Foreign government obligations	153,999		—		1,149		152,850
U.S. debt	73,746		—		75		73,671
Time deposits	255,000		—		—		255,000
Total	$	723,388	$	3	$	3,012	$	720,379

As of June 30, 2018, we identified nine investments totaling $144.4 million that had been in a loss position for a period of time greater than 12 months with unrealized losses of $1.6 million. As of December 31, 2017, we identified 16 investments totaling $210.3 million that had been in a loss position for a period of time greater than 12 months with unrealized losses of $1.9 million. Such unrealized losses were primarily due to increases in interest rates relative to rates at the time of purchase. Based on the underlying credit quality of the investments, we do not intend to sell these securities prior to the recovery of our cost basis. Therefore, we did not consider these securities to be other-than-temporarily impaired.

The following tables show unrealized losses and fair values for those marketable securities that were in an unrealized loss position as of June 30, 2018 and December 31, 2017, aggregated by major security type and the length of time the marketable securities have been in a continuous loss position (in thousands):

	As of June 30, 2018
	In Loss Position for Less Than 12 Months				In Loss Position for 12 Months or Greater				Total
	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Foreign debt	$	207,034	$	2,040	$	57,927	$	899	$	264,961	$	2,939
Foreign government obligations	31,273		494		86,498		727		117,771		1,221
U.S. debt	23,549		47		—		—		23,549		47
Total	$	261,856	$	2,581	$	144,425	$	1,626	$	406,281	$	4,207

	As of December 31, 2017
	In Loss Position for Less Than 12 Months				In Loss Position for 12 Months or Greater				Total
	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Foreign debt	$	119,869	$	735	$	88,919	$	1,053	$	208,788	$	1,788
Foreign government obligations	31,467		289		121,383		860		152,850		1,149
U.S. debt	73,671		75		—		—		73,671		75
Total	$	225,007	$	1,099	$	210,302	$	1,913	$	435,309	$	3,012

The contractual maturities of our marketable securities as of June 30, 2018 were as follows (in thousands):

	Fair Value
One year or less	$	820,620
One year to two years	128,827
Two years to three years	160,974
Total	$	1,110,421

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5. Restricted Cash and Investments

6 Months Ended

Jun. 30, 2018

Restricted Cash and Investments [Abstract]

Restricted Cash and Investments

5. Restricted Cash and Investments

Restricted cash and investments consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Restricted cash	$	67,380	$	50,822
Restricted investments	264,663		373,961
Total restricted cash and investments (1)	$	332,043	$	424,783

——————————

(1) There was an additional $6.6 million and $11.1 million of restricted cash included within “Prepaid expenses and other current assets” at June 30, 2018 and December 31, 2017, respectively.

At June 30, 2018 and December 31, 2017, our restricted cash consisted of deposits held by various banks to secure certain of our letters of credit and other deposits designated for the construction or operation of systems projects as well as the payment of amounts related to project specific debt financings. See Note 11. “Commitments and Contingencies” to our condensed consolidated financial statements for further discussion related to our letters of credit.

At June 30, 2018 and December 31, 2017, our restricted investments consisted of long-term marketable securities that were held in custodial accounts to fund the estimated future costs of collecting and recycling modules covered under our solar module collection and recycling program. As necessary, we fund any incremental amounts for our estimated collection and recycling obligations within 90 days of the end of each year. We determine the funding requirement, if any, based on estimated costs of collecting and recycling covered modules, estimated rates of return on our restricted investments, and an estimated solar module life of 25 years less amounts already funded in prior years. No incremental funding was required in 2018 as substantially all of our module sales in the prior year were not covered under our solar module collection and recycling program. To ensure that amounts previously funded will be available in the future regardless of potential adverse changes in our financial condition (even in the case of our own insolvency), we have established a trust under which estimated funds are put into custodial accounts with an established and reputable bank, for which First Solar, Inc.; First Solar Malaysia Sdn. Bhd.; and First Solar Manufacturing GmbH are grantors. Trust funds may be disbursed for qualified module collection and recycling costs (including capital and facilities related recycling costs), payments to customers for assuming collection and recycling obligations, and reimbursements of any overfunded amounts. Investments in the trust must meet certain investment quality criteria comparable to highly rated government or agency bonds.

During the six months endedJune 30, 2018, we sold certain restricted investments for proceeds of $101.6 million, realized gains of $19.5 million on such sales, and withdrew the funds from the trust as a reimbursement of overfunded amounts. See Note 8. “Fair Value Measurements” to our condensed consolidated financial statements for information about the fair value of our restricted investments.

The following tables summarize the unrealized gains and losses related to our restricted investments, by major security type, as of June 30, 2018 and December 31, 2017 (in thousands):

	As of June 30, 2018
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Foreign government obligations	$	105,156	$	52,305	$	—	$	157,461
U.S. government obligations	115,975		377		9,150		107,202
Total	$	221,131	$	52,682	$	9,150	$	264,663

	As of December 31, 2017
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Foreign government obligations	$	127,436	$	62,483	$	—	$	189,919
U.S. government obligations	174,624		12,944		3,526		184,042
Total	$	302,060	$	75,427	$	3,526	$	373,961

As of June 30, 2018, we identified six restricted investments totaling $103.5 million that had been in a loss position for a period of time greater than 12 months with unrealized losses of $9.2 million. As of December 31, 2017, we identified six restricted investments totaling $107.7 million that had been in a loss position for a period of time greater than 12 months with unrealized losses of $3.5 million. The unrealized losses were primarily due to increases in interest rates relative to rates at the time of purchase. Based on the underlying credit quality of the investments, we do not intend to sell these securities prior to the recovery of our cost basis. Therefore, we did not consider these investments to be other-than-temporarily impaired.

As of June 30, 2018, the contractual maturities of our restricted investments were between 12 years and 19 years.

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6. Consolidated Balance Sheet Details

6 Months Ended

Jun. 30, 2018

Balance Sheet Related Disclosures [Abstract]

Consolidated Balance Sheet Details

6. Consolidated Balance Sheet Details

Accounts receivable trade, net

Accounts receivable trade, net consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018			December 31, 2017
Accounts receivable trade, gross	$	126,472		$	213,776
Allowance for doubtful accounts	(1,093		)	(1,979		)
Accounts receivable trade, net	$	125,379		$	211,797

At June 30, 2018 and December 31, 2017, $28.0 million and $16.8 million, respectively, of our accounts receivable trade, net were secured by letters of credit, bank guarantees, or other forms of financial security issued by creditworthy financial institutions.

Accounts receivable, unbilled and retainage

Accounts receivable, unbilled and retainage consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Accounts receivable, unbilled	$	175,753	$	172,594
Retainage	1,958		2,014
Accounts receivable, unbilled and retainage	$	177,711	$	174,608

Inventories

Inventories consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Raw materials	$	180,836	$	148,968
Work in process	23,667		14,085
Finished goods	148,858		122,594
Inventories	$	353,361	$	285,647
Inventories – current	$	234,201	$	172,370
Inventories – noncurrent	$	119,160	$	113,277

Prepaid expenses and other current assets

Prepaid expenses and other current assets consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Prepaid expenses	$	62,143	$	41,447
Value added tax receivables	13,187		12,232
Prepaid income taxes	6,689		31,944
Restricted cash	6,554		11,120
Derivative instruments	3,757		4,303
Other current assets	65,223		56,856
Prepaid expenses and other current assets	$	157,553	$	157,902

Property, plant and equipment, net

Property, plant and equipment, net consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018			December 31, 2017
Land	$	8,097		$	8,181
Buildings and improvements	477,549			424,266
Machinery and equipment	1,490,425			1,059,103
Office equipment and furniture	166,504			157,512
Leasehold improvements	49,048			48,951
Construction in progress	515,025			641,263
Property, plant and equipment, gross	2,706,648			2,339,276
Accumulated depreciation	(1,222,471		)	(1,184,739		)
Property, plant and equipment, net	$	1,484,177		$	1,154,537

Depreciation of property, plant and equipment was $24.6 million and $43.2 million for the three and six months ended June 30, 2018, respectively, and $21.8 million and $48.7 million for the three and six months ended June 30, 2017, respectively.

PV solar power systems, net

Photovoltaic (“PV”) solar power systems, consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018			December 31, 2017
PV solar power systems, gross	$	344,077		$	451,045
Accumulated depreciation	(27,513		)	(33,937		)
PV solar power systems, net	$	316,564		$	417,108

Depreciation of PV solar power systems was $4.0 million and $8.3 million for the three and six months ended June 30, 2018, respectively, and $4.9 million and $9.8 million for the three and six months ended June 30, 2017, respectively.

Capitalized interest

The cost of constructing project assets includes interest costs incurred during the construction period. The components of interest expense and capitalized interest were as follows during the three and six months ended June 30, 2018 and 2017 (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Interest cost incurred	$	(7,591	)	$	(6,586	)	$	(14,057	)	$	(15,856	)
Interest cost capitalized – project assets	1,526			212			2,810			313
Interest expense, net	$	(6,065	)	$	(6,374	)	$	(11,247	)	$	(15,543	)

Project assets

Project assets consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Project assets – development costs, including project acquisition and land costs	$	281,325	$	250,590
Project assets – construction costs	282,013		252,127
Project assets	$	563,338	$	502,717
Project assets – current	$	62,475	$	77,931
Project assets – noncurrent	$	500,863	$	424,786

Other assets

Other assets consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Deferred rent	$	26,493	$	26,760
Notes receivable (1)	9,650		10,495
Income taxes receivable	4,485		4,454
Other	52,820		43,823
Other assets	$	93,448	$	85,532

——————————

(1) In April 2009, we entered into a credit facility agreement with a solar power project entity of one of our customers for an available amount of €17.5 million to provide financing for a PV solar power system. The credit facility bears interest at 8.0% per annum, payable quarterly, with the full amount due in December 2026. As of June 30, 2018 and December 31, 2017, the balance outstanding on the credit facility was €7.0 million ($8.1 million and $8.4 million, respectively).

Goodwill

Goodwill for the relevant reporting unit consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	December 31, 2017			Acquisitions (Impairments)		June 30, 2018
Modules	$	407,827		$	—	$	407,827
Accumulated impairment losses	(393,365		)	—		(393,365		)
Goodwill	$	14,462		$	—	$	14,462

Intangibles assets, net

Intangibles assets, net primarily include developed technologies from prior business acquisitions, certain power purchase agreements (“PPAs”) acquired after the associated PV solar power systems were placed in service, and our internally-generated intangible assets, substantially all of which were patents on technologies related to our products and production processes. We record an asset for patents, after the patent has been issued, based on the legal, filing, and other costs incurred to secure them. We amortize intangible assets on a straight-line basis over their estimated useful lives once the intangible assets meet the criteria to be amortized. During the three months ended June 30, 2018, $17.3 million of in-process research and development related to our prior acquisition of Enki Technology, Inc. was reclassified to developed technology and began amortizing over its useful life of 10 years.

The following tables summarize our intangible assets at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018
	Gross Amount		Accumulated Amortization			Net Amount
Developed technology	$	95,964	$	(28,544	)	$	67,420
Power purchase agreements	6,486		(486		)	6,000
Patents	7,068		(3,393		)	3,675
Intangibles assets, net	$	109,518	$	(32,423	)	$	77,095

	December 31, 2017
	Gross Amount		Accumulated Amortization			Net Amount
Developed technology	$	76,959	$	(24,140	)	$	52,819
Power purchase agreements	6,486		(324		)	6,162
Patents	7,068		(3,077		)	3,991
In-process research and development	17,255		—			17,255
Intangibles assets, net	$	107,768	$	(27,541	)	$	80,227

Amortization expense for our intangible assets was $2.5 million and $4.9 million for the three and six months ended June 30, 2018, respectively, and $2.1 million and $4.1 million for the three and six months ended June 30, 2017, respectively.

Accrued expenses

Accrued expenses consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Accrued property, plant and equipment	$	115,109	$	133,433
Accrued project assets	105,269		55,834
Accrued inventory	47,502		24,830
Product warranty liability (1)	32,241		28,767
Accrued compensation and benefits	30,088		73,985
Other	50,844		49,978
Accrued expenses	$	381,053	$	366,827

——————————

(1) See Note 11. “Commitments and Contingencies” to our condensed consolidated financial statements for discussion of our “Product warranty liability.”

Other current liabilities

Other current liabilities consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Contingent consideration (1)	$	12,845	$	6,162
Derivative instruments	11,333		27,297
Financing liability (2)	—		5,161
Indemnification liabilities (1)	—		2,876
Other	11,997		7,261
Other current liabilities	$	36,175	$	48,757

——————————

(1) See Note 11. “Commitments and Contingencies” to our condensed consolidated financial statements for discussion of our “Contingent consideration” and “Indemnification liabilities” arrangements.

(2) See Note 9. “Equity Method Investments” to our condensed consolidated financial statements for discussion of the financing liabilities associated with our leaseback of the Maryland Solar project.

Other liabilities

Other liabilities consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Product warranty liability (1)	$	193,572	$	195,507
Other taxes payable	93,429		89,724
Transition tax liability (2)	82,733		93,233
Deferred revenue	58,771		63,257
Derivative instruments	7,996		5,932
Contingent consideration (1)	2,953		3,153
Financing liability (3)	—		29,822
Commercial letter of credit liability (1)	—		43,396
Other	44,607		44,430
Other liabilities	$	484,061	$	568,454

——————————

(1) See Note 11. “Commitments and Contingencies” to our condensed consolidated financial statements for discussion of our “Product warranty liability,” “Contingent consideration,” and “Commercial letter of credit liability” arrangements.

(2) See Note 14. “Income Taxes” to our condensed consolidated financial statements for discussion of the one-time transition tax on accumulated earnings of foreign subsidiaries as a result of Tax Act.

(3) See Note 9. “Equity Method Investments” to our condensed consolidated financial statements for discussion of the financing liabilities associated with our leaseback of the Maryland Solar project.

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7. Derivative Financial Instruments

6 Months Ended

Jun. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

7. Derivative Financial Instruments

As a global company, we are exposed in the normal course of business to interest rate and foreign currency risks that could affect our financial position, results of operations, and cash flows. We use derivative instruments to hedge against these risks and only hold such instruments for hedging purposes, not for speculative or trading purposes.

Depending on the terms of the specific derivative instruments and market conditions, some of our derivative instruments may be assets and others liabilities at any particular balance sheet date. We report all of our derivative instruments at fair value and account for changes in the fair value of derivative instruments within “Accumulated other comprehensive (loss) income” if the derivative instruments qualify for hedge accounting. For those derivative instruments that do not qualify for hedge accounting (“economic hedges”), we record the changes in fair value directly to earnings. See Note 8. “Fair Value Measurements” to our condensed consolidated financial statements for information about the techniques we use to measure the fair value of our derivative instruments.

The following tables present the fair values of derivative instruments included in our condensed consolidated balance sheets as of June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018
	Prepaid Expenses and Other Current Assets		Other Current Liabilities		Other Liabilities
Derivatives designated as hedging instruments:
Foreign exchange forward contracts	$	—	$	8,494	$	—
Total derivatives designated as hedging instruments	$	—	$	8,494	$	—
Derivatives not designated as hedging instruments:
Foreign exchange forward contracts	$	3,757	$	2,736	$	—
Interest rate swap contracts	—		103		7,996
Total derivatives not designated as hedging instruments	$	3,757	$	2,839	$	7,996
Total derivative instruments	$	3,757	$	11,333	$	7,996

	December 31, 2017
	Prepaid Expenses and Other Current Assets		Other Current Liabilities		Other Liabilities
Derivatives designated as hedging instruments:
Foreign exchange forward contracts	$	252	$	13,240	$	—
Total derivatives designated as hedging instruments	$	252	$	13,240	$	—
Derivatives not designated as hedging instruments:
Foreign exchange forward contracts	$	4,051	$	14,057	$	—
Interest rate swap contracts	—		—		5,932
Total derivatives not designated as hedging instruments	$	4,051	$	14,057	$	5,932
Total derivative instruments	$	4,303	$	27,297	$	5,932

The following table presents the pretax amounts related to derivative instruments designated as cash flow hedges affecting accumulated other comprehensive income or loss and our condensed consolidated statements of operations for the six months ended June 30, 2018 and 2017 (in thousands):

	Foreign Exchange Forward Contracts
Balance in accumulated other comprehensive (loss) income at December 31, 2017	$	(1,723	)
Amounts recognized in other comprehensive (loss) income	1,201
Amounts reclassified to earnings impacting:
Net sales	1,744
Balance in accumulated other comprehensive (loss) income at June 30, 2018	$	1,222
Balance in accumulated other comprehensive (loss) income at December 31, 2016	$	2,556
Amounts recognized in other comprehensive (loss) income	(3,452		)
Balance in accumulated other comprehensive (loss) income at June 30, 2017	$	(896	)

We recorded no amounts related to ineffective portions of our derivative instruments designated as cash flow hedges during the three and six months ended June 30, 2018 and 2017. During the three and six months ended June 30, 2018, we recognized unrealized losses of $0.3 million and $0.5 million, respectively, related to amounts excluded from effectiveness testing for our foreign exchange forward contracts designated as cash flow hedges within “Other (loss) income, net.” During the three and six months ended June 30, 2017, we recognized unrealized losses of $0.1 million and $0.2 million, respectively, related to amounts excluded from effectiveness testing for our foreign exchange forward contracts designated as cash flow hedges within “Other (loss) income, net.”

The following table presents gains and losses related to derivative instruments not designated as hedges affecting our condensed consolidated statements of operations for the three and six months ended June 30, 2018 and 2017 (in thousands):

		Three Months Ended June 30,						Six Months Ended June 30,
	Income Statement Line Item	2018			2017			2018			2017
Foreign exchange forward contracts	Foreign currency gain (loss), net	$	19,035		$	(3,499	)	$	6,379		$	(23,658	)
Interest rate swap contracts	Interest expense, net	(1,507		)	(1,006		)	(2,167		)	(5,682		)

Interest Rate Risk

We use interest rate swap contracts to mitigate our exposure to interest rate fluctuations associated with certain of our debt instruments. We do not use such swap contracts for speculative or trading purposes.

In May 2018, FS NSW Project No 1 Finco Pty Ltd, our indirectly wholly-owned subsidiary and project financing company, entered into various interest rate swap contracts to hedge the floating rate construction loan facility and a portion of the floating rate term loan facility under the associated project’s Beryl Credit Facility (as defined in Note 10. “Debt” to our condensed consolidated financial statements). The swaps had an initial aggregate notional value of AUD 42.4 million and, depending on the loan facility being hedged, entitled the project to receive one-month or three-month floating Bank Bill Swap Bid (“BBSY”) interest rates while requiring the project to pay fixed rates of 2.0615% or 3.2020%. The notional amounts of the interest rate swap contracts are scheduled to proportionately adjust with the scheduled draws and principal payments on the underlying hedged debt. As of June 30, 2018, the aggregate notional value of the interest rate swap contracts was AUD 44.1 million ($32.6 million). These derivative instruments do not qualify for accounting as cash flow hedges in accordance with Accounting Standards Codification (“ASC”) 815 due to our expectation to sell the associated project before the maturity of its project specific debt financing and corresponding swap contracts. Accordingly, the changes in the fair value of the swap contracts are recorded directly to “Interest expense, net.”

In March 2017, Manildra Finco Pty Ltd, our indirect wholly-owned subsidiary and project financing company, entered into various interest rate swap contracts to hedge a portion of the floating rate construction loan facility under the associated project’s Manildra Credit Facility (as defined in Note 10. “Debt” to our condensed consolidated financial statements). Such swaps had an initial aggregate notional value of AUD 12.8 million and entitled the project to receive a one-month or three-month floating BBSY interest rate while requiring the project to pay a fixed rate of 3.13%. The notional amounts of the interest rate swap contracts are scheduled to proportionately adjust with the scheduled draws and principal payments on the underlying hedged debt. As of June 30, 2018 and December 31, 2017, the aggregate notional value of the interest rate swap contracts was AUD 56.8 million ($41.9 million) and AUD 68.1 million ($53.2 million), respectively. These derivative instruments do not qualify for accounting as cash flow hedges in accordance with ASC 815 due to our expectation to sell the associated project before the maturity of its project specific debt financing and corresponding swap contracts. Accordingly, the changes in the fair value of the swap contracts are recorded directly to “Interest expense, net.”

In January 2017, FS Japan Project 12 GK, our indirect wholly-owned subsidiary and project company, entered into an interest rate swap contract to hedge a portion of the floating rate senior loan facility under the project’s Ishikawa Credit Agreement (as defined in Note 10. “Debt” to our condensed consolidated financial statements). Such swap had an initial notional value of ¥5.7 billion and entitled the project to receive a six-month floating Tokyo Interbank Offered Rate (“TIBOR”) plus 0.75% interest rate while requiring the project to pay a fixed rate of 1.482%. The notional amount of the interest rate swap contract is scheduled to proportionately adjust with the scheduled draws and principal payments on the underlying hedged debt. As of June 30, 2018 and December 31, 2017, the notional value of the interest rate swap contract was ¥16.0 billion ($144.2 million) and ¥12.8 billion ($113.4 million), respectively. This derivative instrument does not qualify for accounting as a cash flow hedge in accordance with ASC 815 due to our expectation to sell the associated project before the maturity of its project specific debt financing and corresponding swap contract. Accordingly, the changes in the fair value of the swap contract are recorded directly to “Interest expense, net.”

Foreign Currency Risk

Cash Flow Exposure

We expect certain of our subsidiaries to have future cash flows that will be denominated in currencies other than the subsidiaries’ functional currencies. Changes in the exchange rates between the functional currencies of our subsidiaries and the other currencies in which they transact will cause fluctuations in the cash flows we expect to receive or pay when these cash flows are realized or settled. Accordingly, we enter into foreign exchange forward contracts to hedge a portion of these forecasted cash flows. As of June 30, 2018 and December 31, 2017, these foreign exchange forward contracts hedged our forecasted cash flows for periods up to 3 months and 9 months, respectively. These foreign exchange forward contracts qualify for accounting as cash flow hedges in accordance with ASC 815, and we designated them as such. We initially report the effective portion of a derivative’s unrealized gain or loss in “Accumulated other comprehensive (loss) income” and subsequently reclassify amounts into earnings when the hedged transaction occurs and impacts earnings. We determined that these derivative financial instruments were highly effective as cash flow hedges as of June 30, 2018 and December 31, 2017. As of June 30, 2018 and December 31, 2017, the notional values associated with our foreign exchange forward contracts qualifying as cash flow hedges were as follows (notional amounts and U.S. dollar equivalents in millions):

	June 30, 2018
Currency	Notional Amount	USD Equivalent
Indian rupee	INR 4,730.0	$69.0

	December 31, 2017
Currency	Notional Amount	USD Equivalent
Indian rupee	INR 4,730.0	$74.1
Euro	€15.7	$18.8

In the following 12 months, we expect to reclassify to earnings $1.2 million of net unrealized gains related to these forward contracts that are included in “Accumulated other comprehensive (loss) income” at June 30, 2018 as we realize the earnings effects of the related forecasted transactions. The amount we ultimately record to earnings will depend on the actual exchange rates when we realize the related forecasted transactions.

Transaction Exposure and Economic Hedging

Many of our subsidiaries have assets and liabilities (primarily cash, receivables, marketable securities, deferred taxes, payables, accrued expenses, and solar module collection and recycling liabilities) that are denominated in currencies other than the subsidiaries’ functional currencies. Changes in the exchange rates between the functional currencies of our subsidiaries and the other currencies in which these assets and liabilities are denominated will create fluctuations in our reported condensed consolidated statements of operations and cash flows. We may enter into foreign exchange forward contracts or other financial instruments to economically hedge assets and liabilities against the effects of currency exchange rate fluctuations. The gains and losses on such foreign exchange forward contracts will economically offset all or part of the transaction gains and losses that we recognize in earnings on the related foreign currency denominated assets and liabilities.

We also enter into foreign exchange forward contracts to economically hedge balance sheet and other exposures related to transactions between certain of our subsidiaries and transactions with third parties. Such contracts are considered economic hedges and do not qualify for hedge accounting. Accordingly, we recognize gains or losses from the fluctuations in foreign exchange rates and the fair value of these derivative contracts in “Foreign currency gain (loss), net” on our condensed consolidated statements of operations. These contracts mature at various dates within the next 3 months.

As of June 30, 2018 and December 31, 2017, the notional values of our foreign exchange forward contracts that do not qualify for hedge accounting were as follows (notional amounts and U.S. dollar equivalents in millions):

	June 30, 2018
Transaction	Currency	Notional Amount	USD Equivalent
Purchase	Australian dollar	AUD 46.5	$34.3
Sell	Australian dollar	AUD 48.4	$35.8
Purchase	Brazilian real	BRL 16.9	$4.4
Sell	Brazilian real	BRL 9.1	$2.4
Sell	Canadian dollar	CAD 2.9	$2.2
Sell	Chilean peso	CLP 1,283.4	$2.0
Purchase	Chinese yuan	CNY 20.0	$3.0
Purchase	Euro	€166.6	$194.0
Sell	Euro	€230.5	$268.4
Sell	Indian rupee	INR 962.0	$14.0
Purchase	Japanese yen	¥1,257.2	$11.4
Sell	Japanese yen	¥24,098.5	$217.6
Purchase	Malaysian ringgit	MYR 8.9	$2.2
Sell	Malaysian ringgit	MYR 18.3	$4.5
Sell	Mexican peso	MXN 37.3	$1.9
Purchase	Singapore dollar	SGD 5.4	$4.0
Purchase	South African rand	ZAR 12.1	$0.9
Sell	South African rand	ZAR 33.7	$2.4

	December 31, 2017
Transaction	Currency	Notional Amount	USD Equivalent
Purchase	Australian dollar	AUD 12.7	$9.9
Sell	Australian dollar	AUD 56.8	$44.4
Sell	Canadian dollar	CAD 1.7	$1.4
Sell	Chilean peso	CLP 10,180.9	$16.6
Purchase	Chinese yuan	CNY 13.8	$2.1
Purchase	Euro	€151.4	$181.6
Sell	Euro	€193.2	$231.7
Purchase	Indian rupee	INR 645.7	$10.1
Sell	Indian rupee	INR 8,376.0	$131.1
Sell	Japanese yen	¥23,922.2	$212.6
Purchase	Malaysian ringgit	MYR 31.0	$7.7
Sell	Malaysian ringgit	MYR 336.5	$83.1
Sell	Singapore dollar	SGD 3.1	$2.3
Purchase	South African rand	ZAR 12.5	$1.0
Sell	South African rand	ZAR 61.1	$5.0

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8. Fair Value Measurements

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Fair Value Measurements

8. Fair Value Measurements

The following is a description of the valuation techniques that we use to measure the fair value of assets and liabilities that we measure and report at fair value on a recurring basis:

• Cash Equivalents. At June 30, 2018 and December 31, 2017, our cash equivalents consisted of money market funds. We value our money market cash equivalents using observable inputs that reflect quoted prices for securities with identical characteristics, and accordingly, we classify the valuation techniques that use these inputs as Level 1.

• Marketable Securities and Restricted Investments. At June 30, 2018 and December 31, 2017, our marketable securities consisted of foreign debt, foreign government obligations, U.S. debt, and time deposits, and our restricted investments consisted of foreign and U.S. government obligations. We value our marketable securities and restricted investments using observable inputs that reflect quoted prices for securities with identical characteristics or quoted prices for securities with similar characteristics and other observable inputs (such as interest rates that are observable at commonly quoted intervals). Accordingly, we classify the valuation techniques that use these inputs as either Level 1 or Level 2 depending on the inputs used. We also consider the effect of our counterparties’ credit standing in these fair value measurements.

• Derivative Assets and Liabilities. At June 30, 2018 and December 31, 2017, our derivative assets and liabilities consisted of foreign exchange forward contracts involving major currencies and interest rate swap contracts involving major interest rates. Since our derivative assets and liabilities are not traded on an exchange, we value them using standard industry valuation models. As applicable, these models project future cash flows and discount the amounts to a present value using market-based observable inputs, including interest rate curves, credit risk, foreign exchange rates, and forward and spot prices for currencies. These inputs are observable in active markets over the contract term of the derivative instruments we hold, and accordingly, we classify the valuation techniques as Level 2. In evaluating credit risk, we consider the effect of our counterparties’ and our own credit standing in the fair value measurements of our derivative assets and liabilities, respectively.

At June 30, 2018 and December 31, 2017, the fair value measurements of our assets and liabilities measured on a recurring basis were as follows (in thousands):

	June 30, 2018
			Fair Value Measurements at Reporting Date Using
	Total Fair Value and Carrying Value on Balance Sheet		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market funds	$	220,373	$	220,373	$	—	$	—
Marketable securities:
Foreign debt	299,961		—		299,961		—
Foreign government obligations	117,771		—		117,771		—
U.S. debt	38,562		—		38,562		—
Time deposits	654,127		654,127		—		—
Restricted investments	264,663		—		264,663		—
Derivative assets	3,757		—		3,757		—
Total assets	$	1,599,214	$	874,500	$	724,714	$	—
Liabilities:
Derivative liabilities	$	19,329	$	—	$	19,329	$	—

	December 31, 2017
			Fair Value Measurements at Reporting Date Using
	Total Fair Value and Carrying Value on Balance Sheet		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market mutual funds	$	125,585	$	125,585	$	—	$	—
Marketable securities:
Foreign debt	238,858		—		238,858		—
Foreign government obligations	152,850		—		152,850		—
U.S. debt	73,671		—		73,671		—
Time deposits	255,000		255,000		—		—
Restricted investments	373,961		—		373,961		—
Derivative assets	4,303		—		4,303		—
Total assets	$	1,224,228	$	380,585	$	843,643	$	—
Liabilities:
Derivative liabilities	$	33,229	$	—	$	33,229	$	—

Fair Value of Financial Instruments

At June 30, 2018 and December 31, 2017, the carrying values and fair values of our financial instruments not measured at fair value were as follows (in thousands):

	June 30, 2018				December 31, 2017
	Carrying Value		Fair Value		Carrying Value		Fair Value
Assets:
Notes receivable – noncurrent	$	9,650	$	9,642	$	10,495	$	10,516
Notes receivable, affiliate – current	21,398		23,620		20,411		23,317
Note receivable, affiliate – noncurrent	—		—		48,370		47,441
Liabilities:
Long-term debt, including current maturities (1)	$	468,823	$	471,974	$	406,388	$	416,486

——————————

(1) Excludes capital lease obligations and unamortized discounts and issuance costs.

The carrying values in our condensed consolidated balance sheets of our trade accounts receivable, unbilled accounts receivable and retainage, restricted cash, accounts payable, income taxes payable, and accrued expenses approximated their fair values due to their nature and relatively short maturities; therefore, we excluded them from the foregoing table. The fair value measurements for our notes receivable and long-term debt are considered Level 2 measurements under the fair value hierarchy.

Credit Risk

We have certain financial and derivative instruments that subject us to credit risk. These consist primarily of cash, cash equivalents, marketable securities, trade accounts receivable, restricted cash and investments, notes receivable, and foreign exchange forward contracts. We are exposed to credit losses in the event of nonperformance by the counterparties to our financial and derivative instruments. We place cash, cash equivalents, marketable securities, restricted cash and investments, and foreign exchange forward contracts with various high-quality financial institutions and limit the amount of credit risk from any one counterparty. We continuously evaluate the credit standing of our counterparty financial institutions. Our net sales are primarily concentrated among a limited number of customers. We monitor the financial condition of our customers and perform credit evaluations whenever considered necessary. Depending upon the sales arrangement, we may require some form of payment security from our customers, including advance payments, parent guarantees, bank guarantees, surety bonds, or commercial letters of credit.

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9. Equity Method Investments (Notes)

6 Months Ended

Jun. 30, 2018

Equity Method Investments and Joint Ventures [Abstract]

Equity Method Investments

9. Equity Method Investments

From time to time, we may enter into investments or other strategic arrangements to expedite our penetration of certain markets and establish relationships with potential customers. We may also enter into strategic arrangements with customers or other entities to maximize the value of particular projects. Some of these arrangements may involve significant investments or other allocations of capital. Investments in unconsolidated entities for which we have significant influence, but not control, over the entities’ operating and financial activities are accounted for under the equity method of accounting. The following table summarizes our equity method investments as of June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
8point3 Operating Company, LLC	$	—	$	199,477
Clean Energy Collective, LLC	4,786		6,521
Other	3,324		11,232
Equity method investments	$	8,110	$	217,230

8point3 Operating Company, LLC

In June 2015, 8point3 Energy Partners LP (the “Partnership”), a limited partnership formed by First Solar and SunPower Corporation (“SunPower,” and together with First Solar, the “Sponsors”), completed its initial public offering (the “IPO”) pursuant to a Registration Statement on Form S-1, as amended. As part of the IPO, the Sponsors contributed interests in various projects to 8point3 Operating Company, LLC (“OpCo”) in exchange for voting and economic interests in the entity, and the Partnership acquired an economic interest in OpCo using proceeds from the IPO. Since the formation of the Partnership, the Sponsors, from time to time, sold interests in solar projects to the Partnership, which owns and operates such portfolio of solar energy generation projects.

In February 2018, we entered into an agreement with CD Clean Energy and Infrastructure V JV, LLC, an equity fund managed by Capital Dynamics, Inc. (“Capital Dynamics”) and certain other co-investors and other parties, pursuant to which such parties agreed, subject to the satisfaction of certain conditions, to acquire our interests in the Partnership and its subsidiaries. In June 2018, we completed the sale of such interests and received net proceeds of $240.0 million after the payment of fees, expenses, and other amounts.

We accounted for our interest in OpCo, a subsidiary of the Partnership, under the equity method of accounting as we were able to exercise significant influence over the Partnership due to our representation on the board of directors of its general partner and certain of our associates serving as officers of its general partner. During the three and six months endedJune 30, 2018, we recognized equity in earnings, net of tax, of $40.9 million and $39.7 million, respectively, from our investment in OpCo, including a gain of $40.3 million, net of tax, for the sale of our interests in the Partnership and its subsidiaries. During the three and six months endedJune 30, 2017, we recognized equity in earnings, net of tax, of $3.0 million and $3.8 million, respectively, from our investment in OpCo. During the six months endedJune 30, 2018 and 2017, we received distributions from OpCo of $12.4 million and $11.2 million, respectively.

In connection with the IPO, we also entered into an agreement with a subsidiary of the Partnership to lease back one of our originally contributed projects, Maryland Solar, until December 31, 2019. Under the terms of the agreement, we make fixed rent payments to the Partnership’s subsidiary and are entitled to all of the energy generated by the project. Due to certain continuing involvement with the project, we accounted for the leaseback agreement as a financing transaction until the sale of our interests in the Partnership and its subsidiaries in June 2018. Following the sale of such interests, the Maryland Solar project qualified for sale-leaseback accounting, and we recognized net revenue of $32.0 million from the sale of the project. As of December 31, 2017, the financing obligation associated with the leaseback was $35.0 million.

In March 2018, FirstEnergy Solutions Corp. (“FirstEnergy”), the off-taker for the Maryland Solar PPA, filed for chapter 11 bankruptcy protection, and in April 2018, FirstEnergy filed a motion for entry of an order authorizing FirstEnergy and its affiliates to reject certain energy contracts, including the Maryland Solar PPA. In the event the PPA is terminated, we expect to sell energy generated by the Maryland Solar project on an open contract basis.

In December 2016, we completed the sale of our remaining 34% interest in the 300 MW Desert Stateline project located in San Bernardino County, California to OpCo and received a $50.0 million promissory note as part of the consideration for the sale. In June 2018, the outstanding balance on the promissory note of $47.8 million was repaid in conjunction with the sale of our interests in the Partnership and its subsidiaries.

We provide operations and maintenance (“O&M”) services to certain of the Partnership’s partially owned project entities, including SG2 Holdings, LLC; Lost Hills Blackwell Holdings, LLC; NS Solar Holdings, LLC; Kingbird Solar A, LLC; Kingbird Solar B, LLC; and Desert Stateline LLC. During the three and six months endedJune 30, 2018, we recognized revenue of $2.7 million and $5.6 million, respectively, for such O&M services. During the three and six months endedJune 30, 2017, we recognized revenue of $2.5 million and $5.4 million, respectively, for such O&M services.

Clean Energy Collective, LLC

In November 2014, we entered into various agreements to purchase a minority ownership interest in Clean Energy Collective, LLC (“CEC”). This investment provided us with additional access to the distributed generation market and a partner to develop and market community solar offerings to North American residential customers and businesses directly on behalf of client utility companies. As part of the investment, we also received a warrant to purchase additional ownership interests in CEC.

In addition to our equity investment, we also entered into a term loan agreement and a convertible loan agreement with CEC in November 2014 and February 2016, respectively. In August 2017, we amended the terms of the warrant and loan agreements to (i) fix the exercise price of the warrant at our initial investment price per unit, (ii) extend the maturity of the loans to November 2018, (iii) allow for the capitalization of certain accrued and future interest on the term loan, (iv) require mandatory prepayments on the term loan under certain conditions, and (v) fix the interest rate of the term loan at 16% per annum, payable semiannually. The interest rate of the convertible loan remained at 10% per annum, payable at maturity unless converted earlier pursuant to a qualified equity financing by CEC. As of June 30, 2018 and December 31, 2017, the balance outstanding on the term loan was $16.4 million and $15.8 million, respectively, and the balance outstanding on the convertible loan was $4.6 million.

CEC is considered a variable interest entity, and our 26% ownership interest in and loans to the company are considered variable interests. We account for our investment in CEC under the equity method of accounting as we are not the primary beneficiary of the company given that we do not have the power to make decisions over the activities that most significantly impact the company’s economic performance. Under the equity method of accounting, we recognize equity in earnings for our proportionate share of CEC’s net income or loss, including adjustments for the amortization of a basis difference resulting from the cost of our investment differing from our proportionate share of CEC’s equity. During the three and six months endedJune 30, 2018, we recognized losses, net of tax, of $0.7 million and $1.2 million, respectively, from our investment in CEC. During the three and six months endedJune 30, 2017, we recognized losses, net of tax, of $0.9 million and $2.1 million, respectively, from our investment in CEC.

Summarized Financial Information

The following table presents summarized financial information for OpCo as provided to us by the investee (in thousands):

	Six Months Ended May 31,
	2018			2017
Summary statement of operations information:
Net sales	$	28,736		$	26,575
Operating (loss) income	(38,606		)	4,825
Net (loss) income (1)	(39,280		)	4,783
Net (loss) income attributable to equity method investee (1) (2)	(45,228		)	20,302

——————————

(1) The difference between Net (loss) income and Net (loss) income attributable to equity method investee is due to OpCo’s tax equity financing facilities with third-party investors that hold noncontrolling ownership interests in certain of its subsidiaries. Accordingly, earnings or losses are allocated to such tax equity investors using the Hypothetical Liquidation at Book Value (or “HLBV”) method. During the six months ended May 31, 2018 and 2017, OpCo allocated certain earnings or losses to such third-party investors under the HLBV method, which represented the difference between Net (loss) income and Net (loss) income attributable to equity method investee.

(2) Our proportionate share of OpCo’s net loss for the three and six months ended June 30, 2018 excluded the investee’s impairment loss related to the Maryland Solar project as we accounted for the sale-leaseback of the project as a financing transaction and the associated financing liability exceeded the carrying value of the project.

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10. Debt

6 Months Ended

Jun. 30, 2018

Debt Instruments [Abstract]

Debt

10. Debt

Our long-term debt consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

		Balance (USD)
Loan Agreement	Currency	June 30, 2018			December 31, 2017
Revolving Credit Facility	USD	$	—		$	—
Luz del Norte Credit Facilities	USD	187,253			185,675
Ishikawa Credit Agreement	JPY	157,257			121,446
Japan Credit Facility	JPY	—			10,710
Tochigi Credit Facility	JPY	190			—
Mashiko Credit Agreement	JPY	—			—
Marikal Credit Facility	INR	—			7,384
Hindupur Credit Facility	INR	—			18,722
Anantapur Credit Facility	INR	16,464			—
Tungabhadra Credit Facility	INR	13,282			—
Manildra Credit Facility	AUD	59,045			62,451
Beryl Credit Facility	AUD	35,332			—
Capital lease obligations	Various	105			156
Long-term debt principal		468,928			406,544
Less: unamortized discounts and issuance costs		(12,633		)	(13,004		)
Total long-term debt		456,295			393,540
Less: current portion		(7,741		)	(13,075		)
Noncurrent portion		$	448,554		$	380,465

Revolving Credit Facility

Our amended and restated credit agreement with several financial institutions as lenders and JPMorgan Chase Bank, N.A. as administrative agent provides us with a senior secured credit facility (the “Revolving Credit Facility”) with an aggregate borrowing capacity of $500.0 million, which we may increase to $750.0 million, subject to certain conditions. Borrowings under the credit facility bear interest at (i) London Interbank Offered Rate (“LIBOR”), adjusted for Eurocurrency reserve requirements, plus a margin of 2.00% or (ii) a base rate as defined in the credit agreement plus a margin of 1.00% depending on the type of borrowing requested. These margins are also subject to adjustment depending on our consolidated leverage ratio. We had no borrowings under our Revolving Credit Facility as of June 30, 2018 and December 31, 2017 and had issued $52.3 million and $57.5 million, respectively, of letters of credit using availability under the facility. Loans and letters of credit issued under the Revolving Credit Facility are jointly and severally guaranteed by First Solar, Inc.; First Solar Electric, LLC; First Solar Electric (California), Inc.; and First Solar Development, LLC and are secured by interests in substantially all of the guarantors’ tangible and intangible assets other than certain excluded assets.

In addition to paying interest on outstanding principal under the Revolving Credit Facility, we are required to pay a commitment fee at a rate of 0.30% per annum, based on the average daily unused commitments under the facility, which may also be adjusted due to changes in our consolidated leverage ratio. We also pay a letter of credit fee based on the applicable margin for Eurocurrency revolving loans on the face amount of each letter of credit and a fronting fee of 0.125%. Our Revolving Credit Facility matures in July 2022.

Luz del Norte Credit Facilities

In August 2014, Parque Solar Fotovoltaico Luz del Norte SpA (“Luz del Norte”), our indirect wholly-owned subsidiary and project company, entered into credit facilities with the Overseas Private Investment Corporation (“OPIC”) and the International Finance Corporation (“IFC”) to provide limited-recourse senior secured debt financing for the design, development, financing, construction, testing, commissioning, operation, and maintenance of a 141 MW PV solar power plant located near Copiapó, Chile. At the same time, Luz del Norte also entered into a Chilean peso facility (the “VAT facility” and together with the OPIC and IFC loans, the “Luz del Norte Credit Facilities”) with Banco de Crédito e Inversiones to fund Chilean value added tax associated with the construction of the Luz del Norte project. In March 2017, we repaid the remaining balance on the VAT facility.

In March 2017, we amended the terms of the OPIC and IFC credit facilities. Such amendments (i) allowed for the capitalization of accrued and unpaid interest through March 15, 2017, along with the capitalization of certain future interest payments as variable rate loans under the credit facilities, (ii) allowed for the conversion of certain fixed rate loans to variable rate loans upon scheduled repayment, (iii) extended the maturity of the OPIC and IFC loans until June 2037, and (iv) canceled the remaining borrowing capacity under the OPIC and IFC credit facilities with the exception of the capitalization of certain future interest payments. As of June 30, 2018 and December 31, 2017, the balance outstanding on the OPIC loans was $140.3 million and $139.0 million, respectively. As of June 30, 2018 and December 31, 2017, the balance outstanding on the IFC loans was $47.0 million and $46.6 million, respectively. The OPIC and IFC loans are secured by liens over all of Luz del Norte’s assets, which had an aggregate book value of $322.9 million, including intercompany charges, as of June 30, 2018 and by a pledge of all of the equity interests in the entity.

Ishikawa Credit Agreement

In December 2016, FS Japan Project 12 GK (“Ishikawa”), our indirect wholly-owned subsidiary and project company, entered into a credit agreement (the “Ishikawa Credit Agreement”) with Mizuho Bank, Ltd. for aggregate borrowings up to ¥27.3 billion ($246.5 million) for the development and construction of a 59 MW PV solar power plant located in Ishikawa, Japan. The credit agreement consists of a ¥24.0 billion ($216.7 million) senior loan facility, a ¥2.1 billion ($19.0 million) consumption tax facility, and a ¥1.2 billion ($10.8 million) letter of credit facility. The senior loan facility matures in October 2036, and the consumption tax facility matures in April 2020. The credit agreement is secured by pledges of Ishikawa’s assets, accounts, material project documents, and by the equity interests in the entity. As of June 30, 2018 and December 31, 2017, the balance outstanding on the credit agreement was $157.3 million and $121.4 million, respectively.

Japan Credit Facility

In September 2015, First Solar Japan GK, our wholly-owned subsidiary, entered into a construction loan facility with Mizuho Bank, Ltd. for borrowings up to ¥4.0 billion ($36.1 million) for the development and construction of utility-scale PV solar power plants in Japan (the “Japan Credit Facility”). In September 2017, First Solar Japan GK renewed the facility for an additional one-year period until September 2018. The facility is guaranteed by First Solar, Inc. and secured by pledges of certain projects’ cash accounts and other rights in the projects. As of June 30, 2018 and December 31, 2017, the balance outstanding on the facility was zero and $10.7 million, respectively.

Tochigi Credit Facility

In June 2017, First Solar Japan GK, our wholly-owned subsidiary, entered into a term loan facility with Mizuho Bank, Ltd. for borrowings up to ¥7.0 billion ($63.2 million) for the development of utility-scale PV solar power plants in Japan (the “Tochigi Credit Facility”). The majority of the facility is available to be drawn by or before November 2018, and the aggregate term loan facility matures in March 2021. The facility is guaranteed by First Solar, Inc. and secured by pledges of certain of First Solar Japan GK’s accounts. As of June 30, 2018 and December 31, 2017, the balance outstanding on the term loan facility was $0.2 million and zero, respectively.

Mashiko Credit Agreement

In March 2018, FS Japan Project 14 GK (“Mashiko”), our indirect wholly-owned subsidiary and project company, entered into a credit agreement (the “Mashiko Credit Agreement”) with Mizuho Bank, Ltd. for aggregate borrowings up to ¥9.2 billion ($83.1 million) for the development and construction of a 19 MW PV solar power plant located in Tochigi, Japan. The credit agreement consists of a ¥8.1 billion ($73.1 million) senior loan facility, a ¥0.7 billion ($6.3 million) consumption tax facility, and a ¥0.4 billion ($3.6 million) letter of credit facility. The senior loan facility matures in March 2037, and the consumption tax facility matures in September 2020. The credit agreement is secured by pledges of Mashiko’s assets, accounts, material project documents, and ownership interests. As of June 30, 2018, there was no balance outstanding on the credit agreement.

Marikal Credit Facility

In March 2015, Marikal Solar Parks Private Limited, our indirect wholly-owned subsidiary and project company, entered into a term loan facility (the “Marikal Credit Facility”) with Axis Bank as administrative agent for aggregate borrowings up to INR 0.5 billion ($8.0 million) for the development and construction of a 10 MW PV solar power plant located in Telangana, India. In May 2018, we repaid the remaining $6.8 million principal balance on the term loan facility. As of December 31, 2017, the balance outstanding on the term loan facility was $7.4 million.

Hindupur Credit Facility

In November 2016, Hindupur Solar Parks Private Limited, our indirect wholly-owned subsidiary and project company, entered into a term loan facility (the “Hindupur Credit Facility”) with Yes Bank Limited for borrowings up to INR 4.3 billion ($62.8 million) for costs related to an 80 MW portfolio of PV solar power plants located in Andhra Pradesh, India. The term loan facility had a letter of credit sub-limit of INR 3.2 billion ($46.7 million), which was used for project related costs. In March 2018, we completed the sale of our Hindupur projects, and the outstanding balance of the Hindupur Credit Facility of $17.0 million was assumed by the customer. As of December 31, 2017, we had issued INR 2.9 billion ($42.3 million) of letters of credit under the term loan facility, and the balance outstanding on the term loan facility was $18.7 million.

Anantapur Credit Facility

In March 2018, Anantapur Solar Parks Private Limited, our indirect wholly-owned subsidiary and project company, entered into a term loan facility (the “Anantapur Credit Facility”) with J.P. Morgan Securities India Private Limited for borrowings up to INR 1.2 billion ($17.5 million) for costs related to a 20 MW PV solar power plant located in Karnataka, India. The term loan facility matures in February 2021 and is secured by a letter of credit issued by JPMorgan Chase Bank, N.A., Singapore, in favor of the lender. Such letter of credit is secured by a cash deposit placed by First Solar FE Holdings Pte. Ltd. As of June 30, 2018, the balance outstanding on the term loan facility was $16.5 million.

Tungabhadra Credit Facility

In March 2018, Tungabhadra Solar Parks Private Limited, our indirect wholly-owned subsidiary and project company, entered into a term loan facility (the “Tungabhadra Credit Facility”) with J.P. Morgan Securities India Private Limited for borrowings up to INR 1.0 billion ($14.6 million) for costs related to a 20 MW PV solar power plant located in Karnataka, India. The term loan facility matures in February 2021 and is secured by a letter of credit issued by JPMorgan Chase Bank, N.A., Singapore, in favor of the lender. Such letter of credit is secured by a cash deposit placed by First Solar FE Holdings Pte. Ltd. As of June 30, 2018, the balance outstanding on the term loan facility was $13.3 million.

Manildra Credit Facility

In March 2017, Manildra Finco Pty Ltd, our indirect wholly-owned subsidiary and project financing company, entered into a term loan agreement (the “Manildra Credit Facility”) with Société Générale S.A. and The Bank of Tokyo-Mitsubishi UFJ, Ltd. for aggregate borrowings up to AUD 81.7 million ($60.3 million) for costs related to a 49 MW PV solar power plant located in New South Wales, Australia. The credit facility consists of an AUD 75.7 million ($55.9 million) construction loan facility and an additional AUD 6.0 million ($4.4 million) goods and service tax facility (or “GST facility”) to fund certain taxes associated with the construction of the associated project. Upon completion of the project’s construction, the construction loan facility will convert to a term loan facility, which matures in March 2022. The GST facility matures in March 2019. The credit facility is secured by pledges of the borrower’s assets, accounts, material project documents, and by the equity interests in the entity. As of June 30, 2018 and December 31, 2017, the balance outstanding on the term loan facility was $59.0 million and $62.5 million, respectively.

Beryl Credit Facility

In May 2018, FS NSW Project No 1 Finco Pty Ltd, our wholly-owned subsidiary and project financing company, entered into a term loan agreement (the “Beryl Credit Facility”) with MUFG Bank, Ltd.; Société Générale, Hong Kong Branch; and Mizuho Bank, Ltd. for aggregate borrowings up to AUD 146.4 million ($108.1 million) for the development and construction of an 87 MW PV solar power plant located in New South Wales, Australia. The credit facility consists of an AUD 135.4 million ($100.0 million) construction loan facility, an AUD 7.0 million ($5.2 million) GST facility to fund certain taxes associated with the construction of the project, and an AUD 4.0 million ($3.0 million) letter of credit facility. Upon completion of the project’s construction, the construction loan facility will convert to a term loan facility. The term loan facility matures in May 2023, and the GST facility matures in May 2020. The credit facility is secured by pledges of the borrower’s assets, accounts, material project documents, and by the equity interests in the entity. As of June 30, 2018, the balance outstanding on the term loan facility was $35.3 million.

Variable Interest Rate Risk

Certain of our long-term debt agreements bear interest at prime, LIBOR, TIBOR, BBSY, or equivalent variable rates. An increase in these variable rates would increase the cost of borrowing under our Revolving Credit Facility and certain project specific debt financings. Our long-term debt borrowing rates as of June 30, 2018 were as follows:

Loan Agreement	June 30, 2018
Revolving Credit Facility	4.09%
Luz del Norte Credit Facilities (1)	Fixed rate loans at bank rate plus 3.50%
	Variable rate loans at 91-Day U.S. Treasury Bill Yield or LIBOR plus 3.50%
Ishikawa Credit Agreement	Senior loan facility at 6-month TIBOR plus 0.75% (2)
	Consumption tax facility at 3-month TIBOR plus 0.5%
Japan Credit Facility	1-month TIBOR plus 0.5%
Tochigi Credit Facility	3-month TIBOR plus 1.0%
Mashiko Credit Agreement	Senior loan facility at 6-month TIBOR plus 0.70%
	Consumption tax facility at 3-month TIBOR plus 0.5%
Anantapur Credit Facility	INR overnight indexed swap rate plus 1.5%
Tungabhadra Credit Facility	INR overnight indexed swap rate plus 1.5%
Manildra Credit Facility	Construction loan facility at 1-month BBSY plus 1.70% (2)
	GST facility at 1-month BBSY plus 1.60%
Beryl Credit Facility	Construction loan facility at 1-month BBSY plus 1.55% (2)
	GST facility at 1-month BBSY plus 1.00%
Capital lease obligations	Various

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(1) Outstanding balance comprised of $162.7 million of fixed rate loans and $24.5 million of variable rate loans as of June 30, 2018.

(2) We have entered into interest rate swap contracts to hedge portions of these variable rates. See Note 7. “Derivative Financial Instruments” to our condensed consolidated financial statements for additional information.

Future Principal Payments

At June 30, 2018, the future principal payments on our long-term debt, excluding payments related to capital leases, were due as follows (in thousands):

	Total Debt
Remainder of 2018	$	1,144
2019	11,212
2020	28,292
2021	43,324
2022	59,439
Thereafter	325,412
Total long-term debt future principal payments	$	468,823

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11. Commitments and Contingencies

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

11. Commitments and Contingencies

Commercial Commitments

During the normal course of business, we enter into commercial commitments in the form of letters of credit, bank guarantees, and surety bonds to provide financial and performance assurance to third parties. Our amended and restated Revolving Credit Facility provides us with a sub-limit of $400.0 million to issue letters of credit, subject to certain additional limits depending on the currencies of the letters of credit, at a fee based on the applicable margin for Eurocurrency revolving loans and a fronting fee. As of June 30, 2018, we had $52.3 million in letters of credit issued under our Revolving Credit Facility, leaving $347.7 million of availability for the issuance of additional letters of credit. The majority of these letters of credit supported our systems projects. As of June 30, 2018, we also had $0.6 million of bank guarantees and letters of credit under separate agreements that were posted by certain of our foreign subsidiaries, $260.5 million of letters of credit issued under three bilateral facilities, of which $34.9 million was secured with cash, and $136.8 million of surety bonds outstanding, primarily for our systems projects. The available bonding capacity under our surety lines was $579.7 million as of June 30, 2018.

In addition to the commercial commitments noted above, we also issued certain commercial letters of credit, also known as letters of undertaking, under our Hindupur Credit Facility as discussed in Note 10. “Debt” to our condensed consolidated financial statements. Such commercial letters of credit represented conditional commitments on the part of the issuing financial institution to provide payment on amounts drawn in accordance with the terms of the individual documents. As part of the financing of the associated systems projects, we presented these commercial letters of credit to other financial institutions, whereby we received immediate funding, and these other financial institutions agreed to settle such letters at a future date. At the time of settlement, the balance of the commercial letters of credit would be included in the balance outstanding of the credit facility. In the periods between the receipt of cash and the subsequent settlement of the commercial letters of credit, we accrued interest on the balance or otherwise accreted any discounted value of the letters to their face value and recorded such amounts as “Interest expense, net” on our condensed consolidated statements of operations. In March 2018, we completed the sale of our Hindupur projects, and the outstanding letters of credit of $43.3 million under the Hindupur Credit Facility were assumed by the customer. As of December 31, 2017, we accrued $43.4 million for contingent obligations associated with such commercial letters of credit. These amounts were classified as “Other liabilities” on our condensed consolidated balance sheets to align with the timing in which we expected to settle such obligations as payments under the associated credit facility.

Supply Agreements

In April 2018, we entered into a supply agreement for the purchase of substrate glass for our PV solar modules. Under the terms of the agreement, we expect to pay approximately $2.4 billion over the supply period, which ends in December 2027. The agreement includes an aggregate termination penalty up to $350 million, of which $250 million declines on a straight-line basis over a period of five years beginning in July 2020 and $100 million declines on a straight-line basis over a period of eight years beginning in October 2019.

In March 2018, we entered into a 10-year supply agreement for the purchase of cover glass for our PV solar modules. Under the terms of the agreement, we expect to pay approximately $500 million over the 10-year supply period, which is scheduled to begin by January 2020. The agreement includes a termination penalty of up to $80 million, which declines annually on a straight-line basis over a period of six years.

Product Warranties

When we recognize revenue for module or system sales, we accrue liabilities for the estimated future costs of meeting our limited warranty obligations for both modules and the balance of the systems. We make and revise these estimates based primarily on the number of solar modules under warranty installed at customer locations, our historical experience with warranty claims, our monitoring of field installation sites, our internal testing and the expected future performance of our solar modules and balance of systems (“BoS”) parts, and our estimated replacement costs. From time to time, we have taken remediation actions with respect to affected modules beyond our limited warranties and may elect to do so in the future, in which case we would incur additional expenses. Such potential voluntary future remediation actions beyond our limited warranty obligations may be material to our condensed consolidated statements of operations if we commit to any such remediation actions.

Product warranty activities during the three and six months ended June 30, 2018 and 2017 were as follows (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Product warranty liability, beginning of period	$	225,800		$	253,422		$	224,274		$	252,408
Accruals for new warranties issued	1,836			5,270			5,468			10,286
Settlements	(2,472		)	(2,249		)	(5,081		)	(3,916		)
Changes in estimate of product warranty liability	649			(16,742		)	1,152			(19,077		)
Product warranty liability, end of period	$	225,813		$	239,701		$	225,813		$	239,701
Current portion of warranty liability	$	32,241		$	37,217		$	32,241		$	37,217
Noncurrent portion of warranty liability	$	193,572		$	202,484		$	193,572		$	202,484

We estimate our limited product warranty liability for power output and defects in materials and workmanship under normal use and service conditions based on warranty return rates of approximately 1% to 3% for modules covered under warranty, depending on the series of module technology. As of June 30, 2018, a 1% change in estimated warranty return rates would change our module warranty liability by $74.5 million, and a 1% change in the estimated warranty return rate for BoS parts would not have a material impact on the associated warranty liability.

Performance Guarantees

As part of our systems business, we conduct performance testing of a system prior to substantial completion to confirm the system meets its operational and capacity expectations noted in the engineering, procurement, and construction (“EPC”) agreement. In addition, we may provide an energy performance test during the first or second year of a system’s operation to demonstrate that the actual energy generation for the applicable period meets or exceeds the modeled energy expectation, after certain adjustments. If there is an underperformance event with regards to these tests, we may incur liquidated damages as specified in the EPC contract. In certain instances, a bonus payment may be received at the end of the applicable test period if the system performs above a specified level. As of June 30, 2018 and December 31, 2017, we accrued $8.6 million and $2.1 million, respectively, of estimated obligations under such arrangements, which were classified as “Other current liabilities” in our condensed consolidated balance sheets.

As part of our O&M service offerings, we typically offer an effective availability guarantee, which stipulates that a system will be available to generate a certain percentage of total possible energy during a specific period after adjusting for factors outside of our control as the service provider, such as weather, curtailment, outages, force majeure, and other conditions that may affect system availability. Effective availability guarantees are only offered as part of our O&M services and terminate at the end of an O&M arrangement. If we fail to meet the contractual threshold for these guarantees, we may incur liquidated damages for certain lost energy under the PPA. Our O&M agreements typically contain provisions limiting our total potential losses under an agreement, including amounts paid for liquidated damages, to a percentage of O&M fees. Many of our O&M agreements also contain provisions whereby we may receive a bonus payment if system availability exceeds a separate threshold. As of June 30, 2018 and December 31, 2017, we did not accrue any estimated obligations under our effective availability guarantees.

Indemnifications

In certain limited circumstances, we have provided indemnifications to customers, including project tax equity investors, under which we are contractually obligated to compensate such parties for losses they suffer resulting from a breach of a representation, warranty, or covenant or a reduction in tax benefits received, including investment tax credits. Project related tax benefits are, in part, based on guidance provided by the Internal Revenue Service and U.S. Treasury Department, which includes assumptions regarding the fair value of qualifying PV solar power systems. For any sales contracts that have such indemnification provisions, we initially recognize a liability under ASC 460, Guarantees, for the estimated premium that would be required by a guarantor to issue the same indemnity in a standalone arm’s-length transaction with an unrelated party. We initially measure such liabilities at the greater of the fair value of the indemnity or the contingent liability required to be recognized under ASC 450, Contingencies, and reduce the revenue recognized in the related transaction.

We estimate the fair value of indemnities provided based on the cost of insurance policies that cover the underlying risks being indemnified and may purchase such policies to mitigate our exposure to potential indemnification payments. After an indemnification liability is recorded, we derecognize such amount pursuant to ASC 460-10-35-2 depending on the nature of the indemnity, which derecognition typically occurs upon expiration or settlement of the arrangement, and any contingent aspects of the indemnity are accounted for in accordance with ASC 450. Changes to any such indemnification liabilities provided are recorded as adjustments to revenue. As of June 30, 2018 and December 31, 2017, we accrued $3.0 million and $4.9 million of noncurrent indemnification liabilities, respectively, for tax related indemnifications. As of December 31, 2017, we also accrued $2.9 million of current indemnification liabilities for such matters. As of June 30, 2018, the maximum potential amount of future payments under our tax related indemnifications was $122.3 million, and we held insurance policies allowing us to recover up to $84.9 million of potential amounts paid under the indemnifications covered by the policies.

Contingent Consideration

As part of our prior acquisition of Enki Technology, Inc. (“Enki”), we agreed to pay additional consideration to the selling shareholders contingent upon the achievement of certain production and module performance milestones. As of June 30, 2018 and December 31, 2017, we accrued $3.5 million and $1.8 million of current liabilities, respectively, for our contingent obligations associated with the Enki acquisition based on their estimated fair values and the expected timing of payment.

We continually seek to make additions to our advanced-stage project pipeline by actively developing our early-to-mid-stage project pipeline and by pursuing opportunities to acquire projects at various stages of development. In connection with such project acquisitions, we may agree to pay additional amounts to project sellers upon the achievement of certain milestones, such as obtaining a PPA, obtaining financing, or selling the project to a new owner. We recognize a project acquisition contingent liability when we determine that such a liability is both probable and reasonably estimable, and the carrying amount of the related project asset is correspondingly increased. In May 2018, we acquired a portfolio of development projects in the southeastern United States for $21.9 million, which included $5.0 million of contingent consideration. As of June 30, 2018 and December 31, 2017, we accrued $9.3 million and $4.4 million of current liabilities, respectively, and $3.0 million and $3.2 million of long-term liabilities, respectively, for project related contingent obligations. Any future differences between the acquisition-date contingent obligation estimate and the ultimate settlement of the obligation are recognized as an adjustment to the project asset, as contingent payments are considered direct and incremental to the underlying value of the related project.

Solar Module Collection and Recycling Liability

We voluntarily established a module collection and recycling program to collect and recycle modules sold and covered under such program once the modules reach the end of their useful lives. For customer sales contracts that include modules covered under this program, we agree to pay the costs for the collection and recycling of qualifying solar modules, and the end-users agree to notify us, disassemble their solar power systems, package the solar modules for shipment, and revert ownership rights over the modules back to us at the end of the modules’ service lives. Accordingly, we record any collection and recycling obligations within “Cost of sales” at the time of sale based on the estimated cost to collect and recycle the covered solar modules. During the three and six months ended June 30, 2018 and 2017, substantially all of our modules sold were not covered by our collection and recycling program.

We estimate the cost of our collection and recycling obligations based on the present value of the expected probability-weighted future cost of collecting and recycling the solar modules, which includes estimates for the cost of packaging materials; the cost of freight from the solar module installation sites to a recycling center; material, labor, and capital costs; the scale of recycling centers; and an estimated third-party profit margin and return on risk for collection and recycling services. We base these estimates on (i) our experience collecting and recycling our solar modules, (ii) the expected timing of when our solar modules will be returned for recycling, and (iii) the expected economic factors at the time the solar modules will be collected and recycled. In the periods between the time of sale and the related settlement of the collection and recycling obligation, we accrete the carrying amount of the associated liability by applying the discount rate used for its initial measurement. We classify accretion as an operating expense within “Selling, general and administrative” expense on our condensed consolidated statements of operations. We periodically review our estimates of expected future recycling costs and may adjust our liability accordingly.

Our module collection and recycling liability was $166.8 million and $166.6 million as of June 30, 2018 and December 31, 2017, respectively. As of June 30, 2018, a 1% increase in the annualized inflation rate used in our estimated future collection and recycling cost per module would increase our liability by $33.6 million, and a 1% decrease in that rate would decrease our liability by $28.2 million. See Note 5. “Restricted Cash and Investments” to our condensed consolidated financial statements for more information about our arrangements for funding this liability.

Legal Proceedings

Class Action

On March 15, 2012, a purported class action lawsuit titled Smilovits v. First Solar, Inc., et al., Case No. 2:12-cv-00555-DGC, was filed in the United States District Court for the District of Arizona (hereafter “Arizona District Court”) against the Company and certain of our current and former directors and officers. The complaint was filed on behalf of persons who purchased or otherwise acquired the Company’s publicly traded securities between April 30, 2008 and February 28, 2012 (the “Class Action”). The complaint generally alleges that the defendants violated Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 by making false and misleading statements regarding the Company’s financial performance and prospects. The action includes claims for damages, including interest, and an award of reasonable costs and attorneys’ fees to the putative class. The Company believes it has meritorious defenses and will vigorously defend this action.

On July 23, 2012, the Arizona District Court issued an order appointing as lead plaintiffs in the Class Action the Mineworkers’ Pension Scheme and British Coal Staff Superannuation Scheme (collectively, the “Pension Schemes”). The Pension Schemes filed an amended complaint on August 17, 2012, which contains similar allegations and seeks similar relief as the original complaint. Defendants filed a motion to dismiss on September 14, 2012. On December 17, 2012, the court denied defendants’ motion to dismiss. On October 8, 2013, the Arizona District Court granted the Pension Schemes’ motion for class certification, and certified a class comprised of all persons who purchased or otherwise acquired publicly traded securities of the Company between April 30, 2008 and February 28, 2012 and were damaged thereby, excluding defendants and certain related parties. Merits discovery closed on February 27, 2015.

Defendants filed a motion for summary judgment on March 27, 2015. On August 11, 2015, the Arizona District Court granted defendants’ motion in part and denied it in part, and certified an issue for immediate appeal to the Ninth Circuit Court of Appeals (the “Ninth Circuit”). First Solar filed a petition for interlocutory appeal with the Ninth Circuit, and that petition was granted on November 18, 2015. On May 20, 2016, the Pension Schemes moved to vacate the order granting the petition, dismiss the appeal, and stay the merits briefing schedule. On December 13, 2016, the Ninth Circuit denied the Pension Schemes’ motion. On January 31, 2018, the Ninth Circuit issued an opinion affirming the Arizona District Court’s order denying in part defendants’ motion for summary judgment. On March 16, 2018, First Solar filed a petition for panel rehearing or rehearing en banc with the Ninth Circuit. On May 7, 2018, the Ninth Circuit denied defendants’ petition. The case is now pending in the Arizona District Court.

This lawsuit asserts claims that, if resolved against us, could give rise to substantial damages, and an unfavorable outcome or settlement may result in a significant monetary judgment or award against us or a significant monetary payment by us, and could have a material adverse effect on our business, financial condition, or results of operations. Even if this lawsuit is not resolved against us, the costs of defending the lawsuit may be significant, as may be the cost of any settlement, and would likely exceed the coverage limits of, or may not be covered by, our insurance policies. Given the need for further expert discovery, and the uncertainties of trial, at this time we are not in a position to assess the likelihood of any potential loss or adverse effect on our financial condition or to estimate the range of potential loss, if any.

Opt-Out Action

On June 23, 2015, a suit titled Maverick Fund, L.D.C. v. First Solar, Inc., et al., Case No. 2:15-cv-01156-ROS, was filed in Arizona District Court by putative stockholders that opted out of the Class Action. The complaint names the Company and certain of our current and former directors and officers as defendants, and alleges that the defendants violated Sections 10(b) and 20(a) of the Securities Exchange Act of 1934, and violated state law, by making false and misleading statements regarding the Company’s financial performance and prospects. The action includes claims for recessionary and actual damages, interest, punitive damages, and an award of reasonable attorneys’ fees, expert fees, and costs. The Company believes it has meritorious defenses and will vigorously defend this action.

First Solar and the individual defendants have not yet responded to the complaint. Accordingly, at this time we are not in a position to assess the likelihood of any potential loss or adverse effect on our financial condition or to estimate the range of potential loss, if any.

Derivative Actions

On April 3, 2012, a derivative action titled Tsevegmid v. Ahearn, et al., Case No. 1:12-cv-00417-CJB, was filed by a putative stockholder on behalf of the Company in the United States District Court for the District of Delaware (hereafter “Delaware District Court”) against certain current and former directors and officers of the Company, alleging breach of fiduciary duties and unjust enrichment. The complaint generally alleges that from June 1, 2008, to March 7, 2012, the defendants caused or allowed false and misleading statements to be made concerning the Company’s financial performance and prospects. The action includes claims for, among other things, damages in favor of the Company, certain corporate actions to purportedly improve the Company’s corporate governance, and an award of costs and expenses to the putative plaintiff stockholder, including attorneys’ fees. On April 10, 2012, a second derivative complaint was filed in the Delaware District Court. The complaint, titled Brownlee v. Ahearn, et al., Case No. 1:12-cv-00456-CJB, contains similar allegations and seeks similar relief to the Tsevegmid action. By court order on April 30, 2012, pursuant to the parties’ stipulation, the Tsevegmid action and the Brownlee action were consolidated into a single action in the Delaware District Court. On May 15, 2012, defendants filed a motion to challenge Delaware as the appropriate venue for the consolidated action. On March 4, 2013, the magistrate judge issued a Report and Recommendation recommending to the court that defendants’ motion be granted and that the case be transferred to the Arizona District Court. On July 12, 2013, the court adopted the magistrate judge’s Report and Recommendation and ordered the case transferred to the Arizona District Court. The transfer was completed on July 15, 2013.

On April 12, 2012, a derivative complaint was filed in the Arizona District Court, titled Tindall v. Ahearn, et al., Case No. 2:12-cv-00769-ROS. In addition to alleging claims and seeking relief similar to the claims and relief asserted in the Tsevegmid and Brownlee actions, the Tindall complaint alleges violations of Sections 14(a) and 20(b) of the Securities Exchange Act of 1934. On April 19, 2012, a second derivative complaint was filed in the Arizona District Court, titled Nederhood v. Ahearn, et al., Case No. 2:12-cv-00819-JWS. The Nederhood complaint contains similar allegations and seeks similar relief to the Tsevegmid and Brownlee actions. On May 17, 2012 and May 30, 2012, respectively, two additional derivative complaints, containing similar allegations and seeking similar relief as the Nederhood complaint, were filed in Arizona District Court: Morris v. Ahearn, et al., Case No. 2:12-cv-01031-JAT and Tan v. Ahearn, et al., 2:12-cv-01144-NVW.

On July 17, 2012, the Arizona District Court issued an order granting First Solar’s motion to transfer the derivative actions to Judge David Campbell, the judge to whom the Class Action is assigned. On August 8, 2012, the court consolidated the four derivative actions pending in Arizona District Court, and on August 31, 2012, plaintiffs filed an amended complaint. Defendants filed a motion to stay the action on September 14, 2012. On December 17, 2012, the Arizona District Court granted defendants’ motion to stay pending resolution of the Class Action. On August 13, 2013, Judge Campbell consolidated the two derivative actions transferred from the Delaware District Court with the stayed Arizona derivative actions. On February 19, 2016, the Arizona District Court issued an order lifting the stay in part. Pursuant to the February 19, 2016 order, the plaintiffs filed an amended complaint on March 11, 2016, and defendants filed a motion to dismiss the amended complaint on April 1, 2016. On June 30, 2016, the Arizona District Court granted defendants’ motion to dismiss the insider trading and unjust enrichment claims with prejudice, and further granted defendants’ motion to dismiss the claims for alleged breaches of fiduciary duties with leave to amend. On July 15, 2016, plaintiffs filed a motion to reconsider certain aspects of the order granting defendants’ motion to dismiss. The Arizona District Court denied the plaintiffs’ motion for reconsideration on August 4, 2016. On July 15, 2016, plaintiffs filed a motion to intervene, lift the stay, and unseal documents in the Class Action. On September 30, 2016, the Arizona District Court denied plaintiffs’ motion. On October 17, 2016, plaintiffs filed a notice of appeal to the Ninth Circuit of the September 30, 2016 order (the “Intervention Appeal”). On October 27, 2016, plaintiffs filed a motion to extend the October 31, 2016 deadline to file an amended complaint. On November 29, 2016, the Arizona District Court denied plaintiffs’ request and directed the clerk to terminate the action. On January 23, 2017, the Arizona District Court entered judgment in favor of defendants and terminated the action. On January 27, 2017, plaintiffs filed a notice of appeal to the Ninth Circuit (the “Merits Appeal”). On January 22, 2018, the Ninth Circuit ruled in favor of First Solar in the Intervention Appeal, and dismissed that appeal. On June 13, 2018, the Ninth Circuit ruled in favor of First Solar in the Merits Appeal, and dismissed that appeal.

On July 16, 2013, a derivative complaint was filed in the Superior Court of Arizona, Maricopa County, titled Bargar, et al. v. Ahearn, et al., Case No. CV2013-009938, by a putative stockholder against certain current and former directors and officers of the Company (“Bargar”). The complaint contains similar allegations to the Delaware and Arizona derivative cases, and includes claims for, among other things, breach of fiduciary duties, insider trading, unjust enrichment, and waste of corporate assets. By court order on October 3, 2013, the Superior Court of Arizona, Maricopa County granted the parties’ stipulation to defer defendants’ response to the complaint pending resolution of the Class Action or expiration of the stay issued in the consolidated derivative actions in the Arizona District Court. On November 5, 2013, the matter was placed on the court’s inactive calendar. The parties have jointly sought and obtained multiple requests to continue the stay in this action. Most recently, on June 29, 2018, the court entered an order continuing the stay until November 30, 2018.

The Company believes that the plaintiff in the Bargar derivative action lacks standing to pursue litigation on behalf of First Solar. The Bargar derivative action is still in the initial stages and there has been no discovery. Accordingly, at this time we are not in a position to assess the likelihood of any potential loss or adverse effect on our financial condition or to estimate the range of potential loss, if any.

Other Matters and Claims

We are party to other legal matters and claims in the normal course of our operations. While we believe the ultimate outcome of such other matters and claims will not have a material adverse effect on our financial position, results of operations, or cash flows, the outcome of such matters and claims is not determinable with certainty, and negative outcomes may adversely affect us.

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12. Revenue from Contracts with Customers (Notes)

6 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

Revenue from Contracts with Customers [Text Block]

12. Revenue from Contracts with Customers

The following table represents a disaggregation of revenue from contracts with customers for the three and six months ended June 30, 2018 and 2017 along with the reportable segment for each category (in thousands):

		Three Months Ended June 30,				Six Months Ended June 30,
Category	Segment	2018		2017		2018		2017
Solar modules	Modules	$	105,332	$	228,392	$	266,625	$	299,530
Solar power systems	Systems	109,659		340,036		464,069		1,092,518
EPC services	Systems	56,854		14,302		69,572		40,434
O&M services	Systems	24,427		24,964		51,141		49,660
Energy generation (1)	Systems	13,046		15,628		25,176		29,664
Module plus	Systems	—		4		—		3,311
Net sales		$	309,318	$	623,326	$	876,583	$	1,515,117

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(1) During the three and six months ended June 30, 2017, the majority of energy generated and sold by our PV solar power systems was accounted for under ASC 840 consistent with the classification of the associated PPAs.

We generally recognize revenue for sales of solar power systems and/or EPC services over time using cost based input methods, in which significant judgment is required to evaluate assumptions including the amount of net contract revenues and the total estimated costs to determine our progress towards contract completion and to calculate the corresponding amount of revenue to recognize. If the estimated total costs on any contract are greater than the net contract revenues, we recognize the entire estimated loss in the period the loss becomes known. The cumulative effect of revisions to estimates related to net contract revenues or costs to complete contracts are recorded in the period in which the revisions to estimates are identified and the amounts can be reasonably estimated.

Changes in estimates for sales of systems and EPC services occur for a variety of reasons, including but not limited to (i) construction plan accelerations or delays, (ii) module cost forecast changes, (iii) cost related change orders, or (iv) changes in other information used to estimate costs. Changes in estimates may have a material effect on our condensed consolidated statements of operations. The following table outlines the impact on revenue of net changes in estimated transaction prices and input costs for systems related sales contracts (both increases and decreases) for the three and six months ended June 30, 2018 and 2017 as well as the number of projects that comprise such changes. For purposes of the table, we only include projects with changes in estimates that have a net impact on revenue of at least $1.0 million during the periods presented with the exception of the sales and use tax matter described below, for which the aggregate change in estimate has been presented. Also included in the table is the net change in estimate as a percentage of the aggregate revenue for such projects.

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Number of projects (1)	1			3			23			5
(Decrease) increase in revenue from net changes in transaction prices (in thousands) (1)	$	(4,513	)	$	2,680		$	48,277		$	956
(Decrease) increase in revenue from net changes in input cost estimates (in thousands)	(12,160		)	3,400			(10,281		)	4,895
Net (decrease) increase in revenue from net changes in estimates (in thousands)	$	(16,673	)	$	6,080		$	37,996		$	5,851
Net change in estimate as a percentage of aggregate revenue for associated projects	(1.9		)%	1.3		%	0.4		%	0.7		%

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(1) During the six months ended June 30, 2018, we settled a tax examination with the state of California regarding several matters, including certain sales and use tax payments due under lump sum EPC contracts. Accordingly, we revised our estimates of sales and use taxes due for projects in the state of California, which affected the estimated transaction prices for such contracts, and recorded an increase to revenue of $54.6 million.

The following table reflects the changes in our contract assets, which we classify as “Accounts receivable, unbilled” or “Retainage,” and our contract liabilities, which we classify as “Deferred revenue,” for the six months ended June 30, 2018 (in thousands):

	June 30, 2018		December 31, 2017		Six Months Change
Accounts receivable, unbilled	$	175,753	$	172,594
Retainage	1,958		2,014
Accounts receivable, unbilled and retainage	$	177,711	$	174,608	$	3,103	2	%
Deferred revenue (1)	$	258,253	$	145,073	$	113,180	78	%

——————————

(1) Includes $58.8 million and $63.3 million of long-term deferred revenue classified as “Other liabilities” on our condensed consolidated balance sheets as of June 30, 2018 and December 31, 2017, respectively.

Accounts receivable, unbilled represents a contract asset for revenue that has been recognized in advance of billing the customer, which is common for long-term construction contracts. Billing requirements vary by contract but are generally structured around the completion of certain construction milestones. Some of our EPC contracts for systems we build may also contain retainage provisions. Retainage represents a contract asset for the portion of the contract price earned by us for work performed, but held for payment by the customer as a form of security until we reach certain construction milestones. When we receive consideration, or such consideration is unconditionally due, from a customer prior to transferring goods or services to the customer under the terms of a sales contract, we record deferred revenue, which represents a contract liability. Such deferred revenue typically results from billings in excess of costs incurred on long-term construction contracts and advance payments received on sales of solar modules.

During the six months ended June 30, 2018, our contract assets increased by $3.1 million primarily due to certain unbilled receivables associated with the Rosamond project, which commenced construction in early 2018, partially offset by scheduled billings on the California Flats project. During the six months ended June 30, 2018, our contract liabilities increased by $113.2 million primarily as a result of advance payments received for sales of solar modules and certain EPC projects in Florida, partially offset by the completion of the sale of certain Japan projects, for which we collected the proceeds in 2017. During the six months ended June 30, 2018 and 2017, we recognized revenue of $55.0 million and $308.1 million, respectively, that was included in the corresponding contract liability balance at the beginning of the periods.

The following table represents our remaining performance obligations as of June 30, 2018 for sales of solar power systems, including uncompleted sold projects, projects under sales contracts subject to conditions precedent, and EPC agreements for partner developed projects that we are constructing or expect to construct. Such table excludes remaining performance obligations for any sales arrangements that had not fully satisfied the criteria to be considered a contract with a customer pursuant to the requirements of ASC 606. We expect to recognize $1.0 billion of revenue for such contracts through the later of the substantial completion or the closing dates of the projects.

Project/Location	Project Size in MWAC	Revenue Category	EPC Contract/Partner Developed Project	Expected Year Revenue Recognition Will Be Completed	Percentage of Revenue Recognized
California Flats, California	280	Solar power systems	Capital Dynamics	2018	75%
Phoebe, Texas	250	EPC	Innergix Renewable Energy	2019	—%
Rosamond, California	150	Solar power systems	Contracted but not specified	2019	35%
Balm Solar, Florida	74	EPC	Tampa Electric Company	2018	16%
Payne Creek, Florida	70	EPC	Tampa Electric Company	2018	63%
Grange Hall, Florida	61	EPC	Tampa Electric Company	2019	—%
Peace Creek, Florida	55	EPC	Tampa Electric Company	2019	—%
Troy Solar, Indiana	51	EPC	Southern Indiana Gas and Electric Company	2020	—%
Total	991

As of June 30, 2018, we had entered into contracts with customers for the future sale of 8.3 GW_DC of solar modules for an aggregate transaction price of $3.0 billion. We expect to recognize such amounts as revenue through 2021 as we transfer control of the modules to customers, which typically occurs upon shipment or delivery depending on the terms of the underlying contracts. As of June 30, 2018, we had also entered into long-term O&M contracts covering approximately 7 GW_DC of utility-scale PV solar power systems. We expect to recognize $0.5 billion of revenue during the noncancelable term of these O&M contracts over a weighted-average period of 11.6 years.

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13. Share-Based Compensation

6 Months Ended

Jun. 30, 2018

Share-based Compensation, Allocation and Classification in Financial Statements [Abstract]

Share-Based Compensation

13. Share-Based Compensation

The following table presents the share-based compensation expense recognized in our condensed consolidated statements of operations for the three and six months ended June 30, 2018 and 2017 (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Cost of sales	$	2,286	$	1,404	$	3,536	$	3,104
Selling, general and administrative	6,603		5,475		12,264		9,697
Research and development	1,639		1,460		3,064		2,589
Production start-up	56		32		372		32
Total share-based compensation expense	$	10,584	$	8,371	$	19,236	$	15,422

The following table presents share-based compensation expense by type of award for the three and six months ended June 30, 2018 and 2017 (in thousands):

	Three Months Ended June 30,					Six Months Ended June 30,
	2018		2017			2018		2017
Restricted and performance stock units	$	9,588	$	8,192		$	17,993	$	14,210
Unrestricted stock	419		419			879		838
Stock purchase plan	—		34			—		394
	10,007		8,645			18,872		15,442
Net amount released from (absorbed into) inventory	577		(274		)	364		(20		)
Total share-based compensation expense	$	10,584	$	8,371		$	19,236	$	15,422

Share-based compensation expense capitalized in inventory was $1.7 million and $2.1 million as of June 30, 2018 and December 31, 2017, respectively. As of June 30, 2018, we had $61.2 million of unrecognized share-based compensation expense related to unvested restricted and performance stock units, which we expect to recognize over a weighted-average period of approximately 1.6 years.

In February 2017, the compensation committee of our board of directors approved a long-term incentive program for key executive officers and associates. The program is intended to incentivize retention of our key executive talent, provide a smooth transition from our former key senior talent equity performance program, and align the interests of executive management and stockholders. Specifically, the program consists of (i) performance stock units to be earned over an approximately three-year performance period beginning in March 2017 and (ii) stub-year grants of separate performance stock units to be earned over an approximately two-year performance period also beginning in March 2017. Vesting of the March 2017 performance stock units is contingent upon the relative attainment of target cost per watt and operating expense metrics. In April 2018, in continuation of our long-term incentive program for key executive officers and associates, the compensation committee of our board of directors approved additional grants of performance stock units to be earned over an approximately three-year performance period beginning in May 2018. Vesting of the May 2018 performance stock units is contingent upon the relative attainment of target gross margin, operating expense, and contracted revenue metrics. Vesting of performance stock units is also contingent upon the employment of program participants through the applicable vesting dates, with limited exceptions in case of death, disability, a qualifying retirement, or a change-in-control of First Solar. Performance stock units were included in the computation of diluted net income per share based on the number of shares that would be issuable if the end of the reporting period were the end of the contingency period.

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14. Income Taxes

6 Months Ended

Jun. 30, 2018

Income Tax Disclosure [Abstract]

Income Taxes

14. Income Taxes

The Tax Act, enacted in December 2017, significantly revised U.S. tax law by, among other things, lowering the statutory federal corporate income tax rate from 35% to 21% for tax years beginning after December 31, 2017, eliminating certain deductions, imposing a one-time transition tax on certain accumulated earnings and profits of foreign corporate subsidiaries (the “transition tax”) that may electively be paid over eight years, introducing new tax regimes, and changing how foreign earnings are subject to U.S. tax. The Tax Act also includes many new provisions, such as changes to bonus depreciation, changes to deductions for executive compensation, net operating loss deduction limitations, a tax on global intangible low-taxed income (“GILTI”) earned by foreign corporate subsidiaries, a base erosion anti-abuse tax (“BEAT”), and a deduction for foreign-derived intangible income (“FDII”). We continue to evaluate the impact of the Tax Act on us.

In December 2017, the SEC issued Staff Accounting Bulletin No. 118 to (i) clarify certain aspects of accounting for income taxes under ASC 740 in the reporting period the Tax Act was signed into law when information is not yet available or complete and (ii) provide a measurement period up to one year to complete the accounting for the Tax Act. We have not completed our accounting for the Tax Act but have, in certain cases, made reasonable estimates of the effects of the Tax Act. In other cases, we have not been able to make a reasonable estimate of such tax effects and have continued to account for the affected items, including state income taxes to the extent there is uncertainty regarding conformity to the federal tax system, based on previous tax laws. In all cases, we will continue to make and refine our estimates as additional analysis is completed. Our estimates may also be refined as we gain a more thorough understanding of the tax law. Any changes to our provisional estimates could be material to income tax expense.

As a result of the Tax Act, we remeasured certain deferred tax assets and liabilities based on the tax rate applicable to when the temporary differences are expected to reverse in the future, which is generally 21%, and recorded a provisional tax expense of $6.6 million for the year ended December 31, 2017. No adjustments to this provisional amount were made during the three and six months endedJune 30, 2018. We continue to evaluate certain aspects of the Tax Act, which could potentially affect the remeasurement of these deferred tax balances and result in additional tax expense.

The transition tax was based on our total post-1986 foreign earnings and profits, which we had deferred from U.S. income taxes under previous tax law. We estimated and recorded a provisional transition tax expense of $401.5 million for the year ended December 31, 2017. No adjustments to this provisional amount were made during the three and six months endedJune 30, 2018. As we continue gathering additional information to finalize our calculations of post-1986 foreign earnings and profits previously deferred from U.S. income taxes, the provisional amount may change. We have not completed our accounting for the transition tax, and as we finalize and complete our plans for the reinvestment or repatriation of unremitted foreign earnings and are able to calculate the resulting tax effects, we expect to record such tax effects, if any, and disclose such plans within the measurement period.

The Tax Act subjects a U.S. shareholder to tax on GILTI earned by foreign corporate subsidiaries. Because of the complexity of the new GILTI, BEAT, and FDII provisions of the Tax Act and different aspects of our estimated future results of global operations, we continue to evaluate the effects of the GILTI provisions and have not yet determined our accounting policy election to (i) record taxes due on future U.S. inclusions in taxable income related to GILTI as a current-period expense when incurred (the “period cost method”) or (ii) factor such amounts into our measurement of deferred income taxes (the “deferred method”). Based on our evaluation, we included an estimate of the tax on GILTI in our effective tax rate for the six months endedJune 30, 2018 but did not recognize additional GILTI on deferred items. We expect to complete our accounting for the GILTI provisions of the Tax Act and make a corresponding accounting policy election within the prescribed measurement period.

The BEAT provisions of the Tax Act impose a minimum tax related to certain deductible payments made to related foreign persons. In addition, the Tax Act disallows certain interest and royalty deductions for payments made to related parties depending on their countries’ tax treatment of the payments. The new FDII provision allows a U.S. corporation to deduct 37.5% of its foreign-derived intangible income. We evaluated the impact of the BEAT and FDII provisions of the Tax Act on our expected 2018 operating results and expect such impact to be immaterial.

Our effective tax rate was 345.0% and (135.6)% for the six months ended June 30, 2018 and 2017, respectively. The increase in our effective tax rate was primarily driven by losses in certain jurisdictions for which no tax benefit could be recorded and the relative size of our pretax income in the current period, a discrete tax benefit in 2017 associated with the acceptance of our election to classify certain of our German subsidiaries as disregarded entities of First Solar, Inc., and changes in certain of our uncertain tax positions, including interest and penalties, partially offset by excess tax benefits associated with share-based compensation. Our provision for income taxes differed from the amount computed by applying the U.S. statutory federal income tax rate of 21% primarily due to losses in certain jurisdictions for which no tax benefit could be recorded and changes in certain of our uncertain tax positions, including interest and penalties, partially offset by the beneficial impact of our Malaysian tax holiday and excess tax benefits associated with share-based compensation.

Our Malaysian subsidiary has been granted a long-term tax holiday that expires in 2027. The tax holiday, which generally provides for a full exemption from Malaysian income tax, is conditional upon our continued compliance with certain employment and investment thresholds, which we are currently in compliance with and expect to continue to comply with through the expiration of the tax holiday in 2027.

We account for uncertain tax positions pursuant to the recognition and measurement criteria under ASC 740. It is reasonably possible that $9.4 million of uncertain tax positions will be recognized within the next 12 months due to the expiration of the statute of limitations associated with such positions.

We are subject to audit by U.S. federal, state, local, and foreign tax authorities. We are currently under examination in India, Chile, and the state of California. We believe that adequate provisions have been made for any adjustments that may result from tax examinations. However, the outcome of tax audits cannot be predicted with certainty. If any issues addressed by our tax audits are not resolved in a manner consistent with our expectations, we could be required to adjust our provision for income taxes in the period such resolution occurs.

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15. Net (Loss) Income Per Share

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Net (loss) Income per Share

15. Net (Loss) Income per Share

Basic net (loss) income per share is computed by dividing net (loss) income by the weighted-average number of common shares outstanding for the period. Diluted net income per share is computed giving effect to all potentially dilutive common shares, including restricted and performance stock units and stock purchase plan shares, unless there is a net loss for the period. In computing diluted net income per share, we utilize the treasury stock method.

The calculation of basic and diluted net (loss) income per share for the three and six months ended June 30, 2018 and 2017 was as follows (in thousands, except per share amounts):

	Three Months Ended June 30,					Six Months Ended June 30,
	2018			2017		2018		2017
Basic net (loss) income per share
Numerator:
Net (loss) income	$	(48,491	)	$	51,963	$	34,460	$	61,092
Denominator:
Weighted-average common shares outstanding	104,776			104,338		104,664		104,221
Diluted net (loss) income per share
Denominator:
Weighted-average common shares outstanding	104,776			104,338		104,664		104,221
Effect of restricted and performance stock units and stock purchase plan shares	—			273		1,570		290
Weighted-average shares used in computing diluted net (loss) income per share	104,776			104,611		106,234		104,511
Net (loss) income per share:
Basic	$	(0.46	)	$	0.50	$	0.33	$	0.59
Diluted	$	(0.46	)	$	0.50	$	0.32	$	0.58

The following table summarizes the potential shares of common stock that were excluded from the computation of diluted net income per share for the three and six months ended June 30, 2018 and 2017 as such shares would have had an anti-dilutive effect (in thousands):

	Three Months Ended June 30,		Six Months Ended June 30,
	2018	2017	2018	2017
Anti-dilutive shares	1,943	245	290	291

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16. Accumulated Other Comprehensive (Loss) Income (Notes)

6 Months Ended

Jun. 30, 2018

Other Comprehensive Income (Loss), Net of Tax [Abstract]

Accumulated Other Comprehensive (Loss) Income

16. Accumulated Other Comprehensive (Loss) Income

Accumulated other comprehensive income or loss includes foreign currency translation adjustments, unrealized gains and losses on available-for-sale debt securities, and unrealized gains and losses on derivative instruments designated and qualifying as cash flow hedges. The following table presents the changes in accumulated other comprehensive (loss) income, net of tax, for the six months ended June 30, 2018 (in thousands):

	Foreign Currency Translation Adjustment			Unrealized Gain (Loss) on Marketable Securities and Restricted Investments			Unrealized Gain (Loss) on Derivative Instruments			Total
Balance as of December 31, 2017	$	(65,346	)	$	68,388		$	(783	)	$	2,259
Other comprehensive (loss) income before reclassifications	(9,045		)	(9,096		)	1,201			(16,940		)
Amounts reclassified from accumulated other comprehensive (loss) income	—			(19,473		)	1,744			(17,729		)
Net tax effect	—			3,151			(978		)	2,173
Net other comprehensive (loss) income	(9,045		)	(25,418		)	1,967			(32,496		)
Balance as of June 30, 2018	$	(74,391	)	$	42,970		$	1,184		$	(30,237	)

The following table presents the pretax amounts reclassified from accumulated other comprehensive (loss) income into our condensed consolidated statements of operations for the three and six months ended June 30, 2018 and 2017 (in thousands):

Comprehensive Income Components	Income Statement Line Item	Three Months Ended June 30,					Six Months Ended June 30,
		2018			2017		2018			2017
Unrealized gain on marketable securities and restricted investments	Other (loss) income, net	$	3		$	3	$	19,473		$	49
Unrealized loss on derivative contracts:
Foreign exchange forward contracts	Net sales	(1,744		)	—		(1,744		)	—
Total amount reclassified		$	(1,741	)	$	3	$	17,729		$	49

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17. Segment Reporting

6 Months Ended

Jun. 30, 2018

Segment Reporting Information, Profit (Loss) [Abstract]

Segment Reporting

17. Segment Reporting

We operate our business in two segments. Our modules segment involves the design, manufacture, and sale of cadmium telluride (“CdTe”) solar modules, which convert sunlight into electricity. Third-party customers of our modules segment include integrators and operators of PV solar power systems. Our second segment is our fully integrated systems segment, through which we provide complete turn-key PV solar power systems, or solar solutions, that draw upon our capabilities, which include (i) project development, (ii) EPC services, and (iii) O&M services. We may provide our full EPC services or any combination of individual products and services within our EPC capabilities depending upon the customer and market opportunity. All of our systems segment products and services are for PV solar power systems, which primarily use our solar modules, and we sell such products and services to utilities, independent power producers, commercial and industrial companies, and other system owners. Additionally within our systems segment, we may temporarily own and operate certain of our systems for a period of time based on strategic opportunities or market factors.

Beginning with the three months ended December 31, 2017, we changed the composition of our reportable segments to align with revisions to our internal reporting structure and long-term strategic plans. As a result of this change, our modules segment, which was historically referred to as our components segment, includes module sales to third parties and excludes any module sales to our systems segment. Previously, we included an allocation of net sales value for all solar modules manufactured by our modules segment and installed in projects sold or built by our systems segment in the net sales of our modules segment. Our systems segment now includes all net sales from the sale of solar power systems and related products and services, including any modules installed in such systems and any revenue from energy generated by such systems. All prior period balances were revised to conform to the current year presentation. See Note 22. “Segment and Geographical Information” in our Annual Report on Form 10-K for the year ended December 31, 2017 for a complete discussion of our segment reporting.

The following tables present certain financial information for our reportable segments for the three and six months ended June 30, 2018 and 2017 and as of June 30, 2018 and December 31, 2017 (in thousands):

	Three Months Ended June 30, 2018								Three Months Ended June 30, 2017
	Modules			Systems		Total			Modules		Systems		Total
Net sales	$	105,332		$	203,986	$	309,318		$	228,392	$	394,934	$	623,326
Gross (loss) profit	(26,551		)	18,493		(8,058		)	39,137		71,756		110,893
Depreciation and amortization expense	18,014			4,817		22,831			15,877		6,418		22,295
	Six Months Ended June 30, 2018								Six Months Ended June 30, 2017
	Modules			Systems		Total			Modules		Systems		Total
Net sales	$	266,625		$	609,958	$	876,583		$	299,530	$	1,215,587	$	1,515,117
Gross (loss) profit	(16,273		)	181,013		164,740			49,272		145,805		195,077
Depreciation and amortization expense	27,263			10,095		37,358			38,376		12,316		50,692
	June 30, 2018								December 31, 2017
	Modules			Systems		Total			Modules		Systems		Total
Goodwill	$	14,462		$	—	$	14,462		$	14,462	$	—	$	14,462

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4. Cash, Cash Equivalents, and Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2018

Cash, Cash Equivalents, and Short-term Investments [Abstract]

Schedule of Cash, Cash Equivalent, and Marketable Securities

Cash, cash equivalents, and marketable securities consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Cash and cash equivalents:
Cash	$	1,804,118	$	2,142,949
Money market funds	220,373		125,585
Total cash and cash equivalents	2,024,491		2,268,534
Marketable securities:
Foreign debt	299,961		238,858
Foreign government obligations	117,771		152,850
U.S. debt	38,562		73,671
Time deposits	654,127		255,000
Total marketable securities	1,110,421		720,379
Total cash, cash equivalents, and marketable securities	$	3,134,912	$	2,988,913

Reconciliation of Cash, Cash Equivalents, and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within our condensed consolidated balance sheets as of June 30, 2018 and December 31, 2017 to the total of such amounts as presented in the condensed consolidated statement of cash flows (in thousands):

	Balance Sheet Line Item	June 30, 2018		December 31, 2017
Cash and cash equivalents	Cash and cash equivalents	$	2,024,491	$	2,268,534
Restricted cash – current (1)	Prepaid expenses and other current assets	6,554		11,120
Restricted cash – noncurrent (1)	Restricted cash and investments	67,380		50,822
Total cash, cash equivalents, and restricted cash		$	2,098,425	$	2,330,476

Available-for-sale Marketable Securities

The following tables summarize the unrealized gains and losses related to our available-for-sale marketable securities, by major security type, as of June 30, 2018 and December 31, 2017 (in thousands):

	As of June 30, 2018
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Foreign debt	$	302,899	$	1	$	2,939	$	299,961
Foreign government obligations	118,992		—		1,221		117,771
U.S. debt	38,607		2		47		38,562
Time deposits	654,127		—		—		654,127
Total	$	1,114,625	$	3	$	4,207	$	1,110,421

	As of December 31, 2017
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Foreign debt	$	240,643	$	3	$	1,788	$	238,858
Foreign government obligations	153,999		—		1,149		152,850
U.S. debt	73,746		—		75		73,671
Time deposits	255,000		—		—		255,000
Total	$	723,388	$	3	$	3,012	$	720,379

Available-for-sale Marketable Securities Continuous Unrealized Loss Position

The following tables show unrealized losses and fair values for those marketable securities that were in an unrealized loss position as of June 30, 2018 and December 31, 2017, aggregated by major security type and the length of time the marketable securities have been in a continuous loss position (in thousands):

	As of June 30, 2018
	In Loss Position for Less Than 12 Months				In Loss Position for 12 Months or Greater				Total
	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Foreign debt	$	207,034	$	2,040	$	57,927	$	899	$	264,961	$	2,939
Foreign government obligations	31,273		494		86,498		727		117,771		1,221
U.S. debt	23,549		47		—		—		23,549		47
Total	$	261,856	$	2,581	$	144,425	$	1,626	$	406,281	$	4,207

	As of December 31, 2017
	In Loss Position for Less Than 12 Months				In Loss Position for 12 Months or Greater				Total
	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Foreign debt	$	119,869	$	735	$	88,919	$	1,053	$	208,788	$	1,788
Foreign government obligations	31,467		289		121,383		860		152,850		1,149
U.S. debt	73,671		75		—		—		73,671		75
Total	$	225,007	$	1,099	$	210,302	$	1,913	$	435,309	$	3,012

Available-for-sale Marketable Securities by Maturity

The contractual maturities of our marketable securities as of June 30, 2018 were as follows (in thousands):

	Fair Value
One year or less	$	820,620
One year to two years	128,827
Two years to three years	160,974
Total	$	1,110,421

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5. Restricted Cash and Investments (Tables)

6 Months Ended

Jun. 30, 2018

Restricted Cash and Investments [Abstract]

Restricted Cash And Investments

Restricted cash and investments consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Restricted cash	$	67,380	$	50,822
Restricted investments	264,663		373,961
Total restricted cash and investments (1)	$	332,043	$	424,783

——————————

(1) There was an additional $6.6 million and $11.1 million of restricted cash included within “Prepaid expenses and other current assets” at June 30, 2018 and December 31, 2017, respectively.

Restricted Available For Sale Securities

The following tables summarize the unrealized gains and losses related to our restricted investments, by major security type, as of June 30, 2018 and December 31, 2017 (in thousands):

	As of June 30, 2018
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Foreign government obligations	$	105,156	$	52,305	$	—	$	157,461
U.S. government obligations	115,975		377		9,150		107,202
Total	$	221,131	$	52,682	$	9,150	$	264,663

	As of December 31, 2017
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Foreign government obligations	$	127,436	$	62,483	$	—	$	189,919
U.S. government obligations	174,624		12,944		3,526		184,042
Total	$	302,060	$	75,427	$	3,526	$	373,961

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6. Consolidated Balance Sheet Details (Tables)

6 Months Ended

Jun. 30, 2018

Balance Sheet Related Disclosures [Abstract]

Schedule of Accounts Receivable

Accounts receivable trade, net

Accounts receivable trade, net consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018			December 31, 2017
Accounts receivable trade, gross	$	126,472		$	213,776
Allowance for doubtful accounts	(1,093		)	(1,979		)
Accounts receivable trade, net	$	125,379		$	211,797

At June 30, 2018 and December 31, 2017, $28.0 million and $16.8 million, respectively, of our accounts receivable trade, net were secured by letters of credit, bank guarantees, or other forms of financial security issued by creditworthy financial institutions.

Accounts receivable, unbilled and retainage

Accounts receivable, unbilled and retainage consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Accounts receivable, unbilled	$	175,753	$	172,594
Retainage	1,958		2,014
Accounts receivable, unbilled and retainage	$	177,711	$	174,608

Schedule of Inventories, Current and Noncurrent

Inventories consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Raw materials	$	180,836	$	148,968
Work in process	23,667		14,085
Finished goods	148,858		122,594
Inventories	$	353,361	$	285,647
Inventories – current	$	234,201	$	172,370
Inventories – noncurrent	$	119,160	$	113,277

Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Prepaid expenses	$	62,143	$	41,447
Value added tax receivables	13,187		12,232
Prepaid income taxes	6,689		31,944
Restricted cash	6,554		11,120
Derivative instruments	3,757		4,303
Other current assets	65,223		56,856
Prepaid expenses and other current assets	$	157,553	$	157,902

Schedule of Property, Plant and Equipment, Net

Property, plant and equipment, net consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018			December 31, 2017
Land	$	8,097		$	8,181
Buildings and improvements	477,549			424,266
Machinery and equipment	1,490,425			1,059,103
Office equipment and furniture	166,504			157,512
Leasehold improvements	49,048			48,951
Construction in progress	515,025			641,263
Property, plant and equipment, gross	2,706,648			2,339,276
Accumulated depreciation	(1,222,471		)	(1,184,739		)
Property, plant and equipment, net	$	1,484,177		$	1,154,537

Schedule of PV Solar Power Systems, Net

Photovoltaic (“PV”) solar power systems, consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018			December 31, 2017
PV solar power systems, gross	$	344,077		$	451,045
Accumulated depreciation	(27,513		)	(33,937		)
PV solar power systems, net	$	316,564		$	417,108

Schedule of Capitalized Interest

The components of interest expense and capitalized interest were as follows during the three and six months ended June 30, 2018 and 2017 (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Interest cost incurred	$	(7,591	)	$	(6,586	)	$	(14,057	)	$	(15,856	)
Interest cost capitalized – project assets	1,526			212			2,810			313
Interest expense, net	$	(6,065	)	$	(6,374	)	$	(11,247	)	$	(15,543	)

Schedule of Project Assets

Project assets consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Project assets – development costs, including project acquisition and land costs	$	281,325	$	250,590
Project assets – construction costs	282,013		252,127
Project assets	$	563,338	$	502,717
Project assets – current	$	62,475	$	77,931
Project assets – noncurrent	$	500,863	$	424,786

Schedule of Other Assets, Noncurrent

Other assets consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Deferred rent	$	26,493	$	26,760
Notes receivable (1)	9,650		10,495
Income taxes receivable	4,485		4,454
Other	52,820		43,823
Other assets	$	93,448	$	85,532

——————————

(1) In April 2009, we entered into a credit facility agreement with a solar power project entity of one of our customers for an available amount of €17.5 million to provide financing for a PV solar power system. The credit facility bears interest at 8.0% per annum, payable quarterly, with the full amount due in December 2026. As of June 30, 2018 and December 31, 2017, the balance outstanding on the credit facility was €7.0 million ($8.1 million and $8.4 million, respectively).

Schedule of Goodwill

Goodwill for the relevant reporting unit consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	December 31, 2017			Acquisitions (Impairments)		June 30, 2018
Modules	$	407,827		$	—	$	407,827
Accumulated impairment losses	(393,365		)	—		(393,365		)
Goodwill	$	14,462		$	—	$	14,462

Schedule of Intangible Assets, Net

The following tables summarize our intangible assets at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018
	Gross Amount		Accumulated Amortization			Net Amount
Developed technology	$	95,964	$	(28,544	)	$	67,420
Power purchase agreements	6,486		(486		)	6,000
Patents	7,068		(3,393		)	3,675
Intangibles assets, net	$	109,518	$	(32,423	)	$	77,095

	December 31, 2017
	Gross Amount		Accumulated Amortization			Net Amount
Developed technology	$	76,959	$	(24,140	)	$	52,819
Power purchase agreements	6,486		(324		)	6,162
Patents	7,068		(3,077		)	3,991
In-process research and development	17,255		—			17,255
Intangibles assets, net	$	107,768	$	(27,541	)	$	80,227

Schedule of Accrued Expenses

Accrued expenses consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Accrued property, plant and equipment	$	115,109	$	133,433
Accrued project assets	105,269		55,834
Accrued inventory	47,502		24,830
Product warranty liability (1)	32,241		28,767
Accrued compensation and benefits	30,088		73,985
Other	50,844		49,978
Accrued expenses	$	381,053	$	366,827

——————————

(1) See Note 11. “Commitments and Contingencies” to our condensed consolidated financial statements for discussion of our “Product warranty liability.”

Schedule of Other Current Liabilities

Other current liabilities consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Contingent consideration (1)	$	12,845	$	6,162
Derivative instruments	11,333		27,297
Financing liability (2)	—		5,161
Indemnification liabilities (1)	—		2,876
Other	11,997		7,261
Other current liabilities	$	36,175	$	48,757

——————————

(1) See Note 11. “Commitments and Contingencies” to our condensed consolidated financial statements for discussion of our “Contingent consideration” and “Indemnification liabilities” arrangements.

(2) See Note 9. “Equity Method Investments” to our condensed consolidated financial statements for discussion of the financing liabilities associated with our leaseback of the Maryland Solar project.

Schedule of Other Liabilities

Other liabilities consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Product warranty liability (1)	$	193,572	$	195,507
Other taxes payable	93,429		89,724
Transition tax liability (2)	82,733		93,233
Deferred revenue	58,771		63,257
Derivative instruments	7,996		5,932
Contingent consideration (1)	2,953		3,153
Financing liability (3)	—		29,822
Commercial letter of credit liability (1)	—		43,396
Other	44,607		44,430
Other liabilities	$	484,061	$	568,454

——————————

(1) See Note 11. “Commitments and Contingencies” to our condensed consolidated financial statements for discussion of our “Product warranty liability,” “Contingent consideration,” and “Commercial letter of credit liability” arrangements.

(2) See Note 14. “Income Taxes” to our condensed consolidated financial statements for discussion of the one-time transition tax on accumulated earnings of foreign subsidiaries as a result of Tax Act.

(3) See Note 9. “Equity Method Investments” to our condensed consolidated financial statements for discussion of the financing liabilities associated with our leaseback of the Maryland Solar project.

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7. Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

The following tables present the fair values of derivative instruments included in our condensed consolidated balance sheets as of June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018
	Prepaid Expenses and Other Current Assets		Other Current Liabilities		Other Liabilities
Derivatives designated as hedging instruments:
Foreign exchange forward contracts	$	—	$	8,494	$	—
Total derivatives designated as hedging instruments	$	—	$	8,494	$	—
Derivatives not designated as hedging instruments:
Foreign exchange forward contracts	$	3,757	$	2,736	$	—
Interest rate swap contracts	—		103		7,996
Total derivatives not designated as hedging instruments	$	3,757	$	2,839	$	7,996
Total derivative instruments	$	3,757	$	11,333	$	7,996

	December 31, 2017
	Prepaid Expenses and Other Current Assets		Other Current Liabilities		Other Liabilities
Derivatives designated as hedging instruments:
Foreign exchange forward contracts	$	252	$	13,240	$	—
Total derivatives designated as hedging instruments	$	252	$	13,240	$	—
Derivatives not designated as hedging instruments:
Foreign exchange forward contracts	$	4,051	$	14,057	$	—
Interest rate swap contracts	—		—		5,932
Total derivatives not designated as hedging instruments	$	4,051	$	14,057	$	5,932
Total derivative instruments	$	4,303	$	27,297	$	5,932

Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]

The following table presents the pretax amounts related to derivative instruments designated as cash flow hedges affecting accumulated other comprehensive income or loss and our condensed consolidated statements of operations for the six months ended June 30, 2018 and 2017 (in thousands):

	Foreign Exchange Forward Contracts
Balance in accumulated other comprehensive (loss) income at December 31, 2017	$	(1,723	)
Amounts recognized in other comprehensive (loss) income	1,201
Amounts reclassified to earnings impacting:
Net sales	1,744
Balance in accumulated other comprehensive (loss) income at June 30, 2018	$	1,222
Balance in accumulated other comprehensive (loss) income at December 31, 2016	$	2,556
Amounts recognized in other comprehensive (loss) income	(3,452		)
Balance in accumulated other comprehensive (loss) income at June 30, 2017	$	(896	)

Schedule of Derivative Instruments, Gain (Loss) [Table Text Block]

The following table presents gains and losses related to derivative instruments not designated as hedges affecting our condensed consolidated statements of operations for the three and six months ended June 30, 2018 and 2017 (in thousands):

		Three Months Ended June 30,						Six Months Ended June 30,
	Income Statement Line Item	2018			2017			2018			2017
Foreign exchange forward contracts	Foreign currency gain (loss), net	$	19,035		$	(3,499	)	$	6,379		$	(23,658	)
Interest rate swap contracts	Interest expense, net	(1,507		)	(1,006		)	(2,167		)	(5,682		)

Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]

As of June 30, 2018 and December 31, 2017, the notional values associated with our foreign exchange forward contracts qualifying as cash flow hedges were as follows (notional amounts and U.S. dollar equivalents in millions):

	June 30, 2018
Currency	Notional Amount	USD Equivalent
Indian rupee	INR 4,730.0	$69.0

	December 31, 2017
Currency	Notional Amount	USD Equivalent
Indian rupee	INR 4,730.0	$74.1
Euro	€15.7	$18.8

Schedule of Notional Value of Foreign Exchange Forward Derivatives [Table Text Block]

As of June 30, 2018 and December 31, 2017, the notional values of our foreign exchange forward contracts that do not qualify for hedge accounting were as follows (notional amounts and U.S. dollar equivalents in millions):

	June 30, 2018
Transaction	Currency	Notional Amount	USD Equivalent
Purchase	Australian dollar	AUD 46.5	$34.3
Sell	Australian dollar	AUD 48.4	$35.8
Purchase	Brazilian real	BRL 16.9	$4.4
Sell	Brazilian real	BRL 9.1	$2.4
Sell	Canadian dollar	CAD 2.9	$2.2
Sell	Chilean peso	CLP 1,283.4	$2.0
Purchase	Chinese yuan	CNY 20.0	$3.0
Purchase	Euro	€166.6	$194.0
Sell	Euro	€230.5	$268.4
Sell	Indian rupee	INR 962.0	$14.0
Purchase	Japanese yen	¥1,257.2	$11.4
Sell	Japanese yen	¥24,098.5	$217.6
Purchase	Malaysian ringgit	MYR 8.9	$2.2
Sell	Malaysian ringgit	MYR 18.3	$4.5
Sell	Mexican peso	MXN 37.3	$1.9
Purchase	Singapore dollar	SGD 5.4	$4.0
Purchase	South African rand	ZAR 12.1	$0.9
Sell	South African rand	ZAR 33.7	$2.4

	December 31, 2017
Transaction	Currency	Notional Amount	USD Equivalent
Purchase	Australian dollar	AUD 12.7	$9.9
Sell	Australian dollar	AUD 56.8	$44.4
Sell	Canadian dollar	CAD 1.7	$1.4
Sell	Chilean peso	CLP 10,180.9	$16.6
Purchase	Chinese yuan	CNY 13.8	$2.1
Purchase	Euro	€151.4	$181.6
Sell	Euro	€193.2	$231.7
Purchase	Indian rupee	INR 645.7	$10.1
Sell	Indian rupee	INR 8,376.0	$131.1
Sell	Japanese yen	¥23,922.2	$212.6
Purchase	Malaysian ringgit	MYR 31.0	$7.7
Sell	Malaysian ringgit	MYR 336.5	$83.1
Sell	Singapore dollar	SGD 3.1	$2.3
Purchase	South African rand	ZAR 12.5	$1.0
Sell	South African rand	ZAR 61.1	$5.0

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8. Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Fair value of assets and liabilities measured on a recurring basis

At June 30, 2018 and December 31, 2017, the fair value measurements of our assets and liabilities measured on a recurring basis were as follows (in thousands):

	June 30, 2018
			Fair Value Measurements at Reporting Date Using
	Total Fair Value and Carrying Value on Balance Sheet		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market funds	$	220,373	$	220,373	$	—	$	—
Marketable securities:
Foreign debt	299,961		—		299,961		—
Foreign government obligations	117,771		—		117,771		—
U.S. debt	38,562		—		38,562		—
Time deposits	654,127		654,127		—		—
Restricted investments	264,663		—		264,663		—
Derivative assets	3,757		—		3,757		—
Total assets	$	1,599,214	$	874,500	$	724,714	$	—
Liabilities:
Derivative liabilities	$	19,329	$	—	$	19,329	$	—

	December 31, 2017
			Fair Value Measurements at Reporting Date Using
	Total Fair Value and Carrying Value on Balance Sheet		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market mutual funds	$	125,585	$	125,585	$	—	$	—
Marketable securities:
Foreign debt	238,858		—		238,858		—
Foreign government obligations	152,850		—		152,850		—
U.S. debt	73,671		—		73,671		—
Time deposits	255,000		255,000		—		—
Restricted investments	373,961		—		373,961		—
Derivative assets	4,303		—		4,303		—
Total assets	$	1,224,228	$	380,585	$	843,643	$	—
Liabilities:
Derivative liabilities	$	33,229	$	—	$	33,229	$	—

Fair value of financial instruments not measured on a recurring basis

At June 30, 2018 and December 31, 2017, the carrying values and fair values of our financial instruments not measured at fair value were as follows (in thousands):

	June 30, 2018				December 31, 2017
	Carrying Value		Fair Value		Carrying Value		Fair Value
Assets:
Notes receivable – noncurrent	$	9,650	$	9,642	$	10,495	$	10,516
Notes receivable, affiliate – current	21,398		23,620		20,411		23,317
Note receivable, affiliate – noncurrent	—		—		48,370		47,441
Liabilities:
Long-term debt, including current maturities (1)	$	468,823	$	471,974	$	406,388	$	416,486

——————————

(1) Excludes capital lease obligations and unamortized discounts and issuance costs.

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9. Equity Method Investments (Tables)

6 Months Ended

Jun. 30, 2018

Equity Method Investments and Joint Ventures [Abstract]

Schedule of Equity Method Investments [Table Text Block]

The following table summarizes our equity method investments as of June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
8point3 Operating Company, LLC	$	—	$	199,477
Clean Energy Collective, LLC	4,786		6,521
Other	3,324		11,232
Equity method investments	$	8,110	$	217,230

Equity Method Investments, Summarized Financial Information [Table Text Block]

The following table presents summarized financial information for OpCo as provided to us by the investee (in thousands):

	Six Months Ended May 31,
	2018			2017
Summary statement of operations information:
Net sales	$	28,736		$	26,575
Operating (loss) income	(38,606		)	4,825
Net (loss) income (1)	(39,280		)	4,783
Net (loss) income attributable to equity method investee (1) (2)	(45,228		)	20,302

——————————

(1) The difference between Net (loss) income and Net (loss) income attributable to equity method investee is due to OpCo’s tax equity financing facilities with third-party investors that hold noncontrolling ownership interests in certain of its subsidiaries. Accordingly, earnings or losses are allocated to such tax equity investors using the Hypothetical Liquidation at Book Value (or “HLBV”) method. During the six months ended May 31, 2018 and 2017, OpCo allocated certain earnings or losses to such third-party investors under the HLBV method, which represented the difference between Net (loss) income and Net (loss) income attributable to equity method investee.

(2) Our proportionate share of OpCo’s net loss for the three and six months ended June 30, 2018 excluded the investee’s impairment loss related to the Maryland Solar project as we accounted for the sale-leaseback of the project as a financing transaction and the associated financing liability exceeded the carrying value of the project.

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10. Debt (Tables)

6 Months Ended

Jun. 30, 2018

Debt Instruments [Abstract]

Schedule of Long-term Debt Instruments

Our long-term debt consisted of the following at June 30, 2018 and December 31, 2017 (in thousands):

		Balance (USD)
Loan Agreement	Currency	June 30, 2018			December 31, 2017
Revolving Credit Facility	USD	$	—		$	—
Luz del Norte Credit Facilities	USD	187,253			185,675
Ishikawa Credit Agreement	JPY	157,257			121,446
Japan Credit Facility	JPY	—			10,710
Tochigi Credit Facility	JPY	190			—
Mashiko Credit Agreement	JPY	—			—
Marikal Credit Facility	INR	—			7,384
Hindupur Credit Facility	INR	—			18,722
Anantapur Credit Facility	INR	16,464			—
Tungabhadra Credit Facility	INR	13,282			—
Manildra Credit Facility	AUD	59,045			62,451
Beryl Credit Facility	AUD	35,332			—
Capital lease obligations	Various	105			156
Long-term debt principal		468,928			406,544
Less: unamortized discounts and issuance costs		(12,633		)	(13,004		)
Total long-term debt		456,295			393,540
Less: current portion		(7,741		)	(13,075		)
Noncurrent portion		$	448,554		$	380,465

Schedule of Borrowing Rate on Debt

Our long-term debt borrowing rates as of June 30, 2018 were as follows:

Loan Agreement	June 30, 2018
Revolving Credit Facility	4.09%
Luz del Norte Credit Facilities (1)	Fixed rate loans at bank rate plus 3.50%
	Variable rate loans at 91-Day U.S. Treasury Bill Yield or LIBOR plus 3.50%
Ishikawa Credit Agreement	Senior loan facility at 6-month TIBOR plus 0.75% (2)
	Consumption tax facility at 3-month TIBOR plus 0.5%
Japan Credit Facility	1-month TIBOR plus 0.5%
Tochigi Credit Facility	3-month TIBOR plus 1.0%
Mashiko Credit Agreement	Senior loan facility at 6-month TIBOR plus 0.70%
	Consumption tax facility at 3-month TIBOR plus 0.5%
Anantapur Credit Facility	INR overnight indexed swap rate plus 1.5%
Tungabhadra Credit Facility	INR overnight indexed swap rate plus 1.5%
Manildra Credit Facility	Construction loan facility at 1-month BBSY plus 1.70% (2)
	GST facility at 1-month BBSY plus 1.60%
Beryl Credit Facility	Construction loan facility at 1-month BBSY plus 1.55% (2)
	GST facility at 1-month BBSY plus 1.00%
Capital lease obligations	Various

——————————

(1) Outstanding balance comprised of $162.7 million of fixed rate loans and $24.5 million of variable rate loans as of June 30, 2018.

(2) We have entered into interest rate swap contracts to hedge portions of these variable rates. See Note 7. “Derivative Financial Instruments” to our condensed consolidated financial statements for additional information.

Schedule of Maturities of Long-term Debt

At June 30, 2018, the future principal payments on our long-term debt, excluding payments related to capital leases, were due as follows (in thousands):

	Total Debt
Remainder of 2018	$	1,144
2019	11,212
2020	28,292
2021	43,324
2022	59,439
Thereafter	325,412
Total long-term debt future principal payments	$	468,823

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11. Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Product Warranty Liability

Product warranty activities during the three and six months ended June 30, 2018 and 2017 were as follows (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Product warranty liability, beginning of period	$	225,800		$	253,422		$	224,274		$	252,408
Accruals for new warranties issued	1,836			5,270			5,468			10,286
Settlements	(2,472		)	(2,249		)	(5,081		)	(3,916		)
Changes in estimate of product warranty liability	649			(16,742		)	1,152			(19,077		)
Product warranty liability, end of period	$	225,813		$	239,701		$	225,813		$	239,701
Current portion of warranty liability	$	32,241		$	37,217		$	32,241		$	37,217
Noncurrent portion of warranty liability	$	193,572		$	202,484		$	193,572		$	202,484

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12. Revenue from Contracts with Customers (Tables)

6 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation Revenue, by Type of Revenue [Table Text Block]

The following table represents a disaggregation of revenue from contracts with customers for the three and six months ended June 30, 2018 and 2017 along with the reportable segment for each category (in thousands):

		Three Months Ended June 30,				Six Months Ended June 30,
Category	Segment	2018		2017		2018		2017
Solar modules	Modules	$	105,332	$	228,392	$	266,625	$	299,530
Solar power systems	Systems	109,659		340,036		464,069		1,092,518
EPC services	Systems	56,854		14,302		69,572		40,434
O&M services	Systems	24,427		24,964		51,141		49,660
Energy generation (1)	Systems	13,046		15,628		25,176		29,664
Module plus	Systems	—		4		—		3,311
Net sales		$	309,318	$	623,326	$	876,583	$	1,515,117

——————————

(1) During the three and six months ended June 30, 2017, the majority of energy generated and sold by our PV solar power systems was accounted for under ASC 840 consistent with the classification of the associated PPAs.

Changes in Estimates Systems Business [Table Text Block]

The following table outlines the impact on revenue of net changes in estimated transaction prices and input costs for systems related sales contracts (both increases and decreases) for the three and six months ended June 30, 2018 and 2017 as well as the number of projects that comprise such changes. For purposes of the table, we only include projects with changes in estimates that have a net impact on revenue of at least $1.0 million during the periods presented with the exception of the sales and use tax matter described below, for which the aggregate change in estimate has been presented. Also included in the table is the net change in estimate as a percentage of the aggregate revenue for such projects.

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Number of projects (1)	1			3			23			5
(Decrease) increase in revenue from net changes in transaction prices (in thousands) (1)	$	(4,513	)	$	2,680		$	48,277		$	956
(Decrease) increase in revenue from net changes in input cost estimates (in thousands)	(12,160		)	3,400			(10,281		)	4,895
Net (decrease) increase in revenue from net changes in estimates (in thousands)	$	(16,673	)	$	6,080		$	37,996		$	5,851
Net change in estimate as a percentage of aggregate revenue for associated projects	(1.9		)%	1.3		%	0.4		%	0.7		%

——————————

(1) During the six months ended June 30, 2018, we settled a tax examination with the state of California regarding several matters, including certain sales and use tax payments due under lump sum EPC contracts. Accordingly, we revised our estimates of sales and use taxes due for projects in the state of California, which affected the estimated transaction prices for such contracts, and recorded an increase to revenue of $54.6 million.

Changes in Contract Assets and Liabilities [Table Text Block]

The following table reflects the changes in our contract assets, which we classify as “Accounts receivable, unbilled” or “Retainage,” and our contract liabilities, which we classify as “Deferred revenue,” for the six months ended June 30, 2018 (in thousands):

	June 30, 2018		December 31, 2017		Six Months Change
Accounts receivable, unbilled	$	175,753	$	172,594
Retainage	1,958		2,014
Accounts receivable, unbilled and retainage	$	177,711	$	174,608	$	3,103	2	%
Deferred revenue (1)	$	258,253	$	145,073	$	113,180	78	%

——————————

(1) Includes $58.8 million and $63.3 million of long-term deferred revenue classified as “Other liabilities” on our condensed consolidated balance sheets as of June 30, 2018 and December 31, 2017, respectively.

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

The following table represents our remaining performance obligations as of June 30, 2018 for sales of solar power systems, including uncompleted sold projects, projects under sales contracts subject to conditions precedent, and EPC agreements for partner developed projects that we are constructing or expect to construct. Such table excludes remaining performance obligations for any sales arrangements that had not fully satisfied the criteria to be considered a contract with a customer pursuant to the requirements of ASC 606. We expect to recognize $1.0 billion of revenue for such contracts through the later of the substantial completion or the closing dates of the projects.

Project/Location	Project Size in MWAC	Revenue Category	EPC Contract/Partner Developed Project	Expected Year Revenue Recognition Will Be Completed	Percentage of Revenue Recognized
California Flats, California	280	Solar power systems	Capital Dynamics	2018	75%
Phoebe, Texas	250	EPC	Innergix Renewable Energy	2019	—%
Rosamond, California	150	Solar power systems	Contracted but not specified	2019	35%
Balm Solar, Florida	74	EPC	Tampa Electric Company	2018	16%
Payne Creek, Florida	70	EPC	Tampa Electric Company	2018	63%
Grange Hall, Florida	61	EPC	Tampa Electric Company	2019	—%
Peace Creek, Florida	55	EPC	Tampa Electric Company	2019	—%
Troy Solar, Indiana	51	EPC	Southern Indiana Gas and Electric Company	2020	—%
Total	991

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13. Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2018

Share-based Compensation, Allocation and Classification in Financial Statements [Abstract]

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

The following table presents the share-based compensation expense recognized in our condensed consolidated statements of operations for the three and six months ended June 30, 2018 and 2017 (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Cost of sales	$	2,286	$	1,404	$	3,536	$	3,104
Selling, general and administrative	6,603		5,475		12,264		9,697
Research and development	1,639		1,460		3,064		2,589
Production start-up	56		32		372		32
Total share-based compensation expense	$	10,584	$	8,371	$	19,236	$	15,422

The following table presents share-based compensation expense by type of award for the three and six months ended June 30, 2018 and 2017 (in thousands):

	Three Months Ended June 30,					Six Months Ended June 30,
	2018		2017			2018		2017
Restricted and performance stock units	$	9,588	$	8,192		$	17,993	$	14,210
Unrestricted stock	419		419			879		838
Stock purchase plan	—		34			—		394
	10,007		8,645			18,872		15,442
Net amount released from (absorbed into) inventory	577		(274		)	364		(20		)
Total share-based compensation expense	$	10,584	$	8,371		$	19,236	$	15,422

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15. Net (Loss) Income Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The calculation of basic and diluted net (loss) income per share for the three and six months ended June 30, 2018 and 2017 was as follows (in thousands, except per share amounts):

	Three Months Ended June 30,					Six Months Ended June 30,
	2018			2017		2018		2017
Basic net (loss) income per share
Numerator:
Net (loss) income	$	(48,491	)	$	51,963	$	34,460	$	61,092
Denominator:
Weighted-average common shares outstanding	104,776			104,338		104,664		104,221
Diluted net (loss) income per share
Denominator:
Weighted-average common shares outstanding	104,776			104,338		104,664		104,221
Effect of restricted and performance stock units and stock purchase plan shares	—			273		1,570		290
Weighted-average shares used in computing diluted net (loss) income per share	104,776			104,611		106,234		104,511
Net (loss) income per share:
Basic	$	(0.46	)	$	0.50	$	0.33	$	0.59
Diluted	$	(0.46	)	$	0.50	$	0.32	$	0.58

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following table summarizes the potential shares of common stock that were excluded from the computation of diluted net income per share for the three and six months ended June 30, 2018 and 2017 as such shares would have had an anti-dilutive effect (in thousands):

	Three Months Ended June 30,		Six Months Ended June 30,
	2018	2017	2018	2017
Anti-dilutive shares	1,943	245	290	291

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16. Accumulated Other Comprehensive (Loss) Income (Tables)

6 Months Ended

Jun. 30, 2018

Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated Other Comprehensive (Loss) Income

The following table presents the changes in accumulated other comprehensive (loss) income, net of tax, for the six months ended June 30, 2018 (in thousands):

	Foreign Currency Translation Adjustment			Unrealized Gain (Loss) on Marketable Securities and Restricted Investments			Unrealized Gain (Loss) on Derivative Instruments			Total
Balance as of December 31, 2017	$	(65,346	)	$	68,388		$	(783	)	$	2,259
Other comprehensive (loss) income before reclassifications	(9,045		)	(9,096		)	1,201			(16,940		)
Amounts reclassified from accumulated other comprehensive (loss) income	—			(19,473		)	1,744			(17,729		)
Net tax effect	—			3,151			(978		)	2,173
Net other comprehensive (loss) income	(9,045		)	(25,418		)	1,967			(32,496		)
Balance as of June 30, 2018	$	(74,391	)	$	42,970		$	1,184		$	(30,237	)

Reclassification out of Accumulated Other Comprehensive (Loss) Income

The following table presents the pretax amounts reclassified from accumulated other comprehensive (loss) income into our condensed consolidated statements of operations for the three and six months ended June 30, 2018 and 2017 (in thousands):

Comprehensive Income Components	Income Statement Line Item	Three Months Ended June 30,					Six Months Ended June 30,
		2018			2017		2018			2017
Unrealized gain on marketable securities and restricted investments	Other (loss) income, net	$	3		$	3	$	19,473		$	49
Unrealized loss on derivative contracts:
Foreign exchange forward contracts	Net sales	(1,744		)	—		(1,744		)	—
Total amount reclassified		$	(1,741	)	$	3	$	17,729		$	49

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17. Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2018

Segment Reporting Information, Profit (Loss) [Abstract]

Schedule of Segment Reporting Information, by Segment

The following tables present certain financial information for our reportable segments for the three and six months ended June 30, 2018 and 2017 and as of June 30, 2018 and December 31, 2017 (in thousands):

	Three Months Ended June 30, 2018								Three Months Ended June 30, 2017
	Modules			Systems		Total			Modules		Systems		Total
Net sales	$	105,332		$	203,986	$	309,318		$	228,392	$	394,934	$	623,326
Gross (loss) profit	(26,551		)	18,493		(8,058		)	39,137		71,756		110,893
Depreciation and amortization expense	18,014			4,817		22,831			15,877		6,418		22,295
	Six Months Ended June 30, 2018								Six Months Ended June 30, 2017
	Modules			Systems		Total			Modules		Systems		Total
Net sales	$	266,625		$	609,958	$	876,583		$	299,530	$	1,215,587	$	1,515,117
Gross (loss) profit	(16,273		)	181,013		164,740			49,272		145,805		195,077
Depreciation and amortization expense	27,263			10,095		37,358			38,376		12,316		50,692
	June 30, 2018								December 31, 2017
	Modules			Systems		Total			Modules		Systems		Total
Goodwill	$	14,462		$	—	$	14,462		$	14,462	$	—	$	14,462

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3. Restructuring and Asset Impairments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Restructuring Cost [Line Items]
Restructuring and asset impairments	$ 0	$ 18,286	$ 0	$ 38,317
Cadmium Telluride Module Manufacturing and Corporate Restructuring [Member]
Restructuring Cost [Line Items]
Restructuring and asset impairments		$ 18,300		38,300
Cadmium Telluride Module Manufacturing and Corporate Restructuring [Member] | Manufacturing Equipment Impairments [Member]
Restructuring Cost [Line Items]
Restructuring and asset impairments				25,200
Cadmium Telluride Module Manufacturing and Corporate Restructuring [Member] | Employee Severance [Member]
Restructuring Cost [Line Items]
Restructuring and asset impairments				6,800
Cadmium Telluride Module Manufacturing and Corporate Restructuring [Member] | Other Restructuring [Member]
Restructuring Cost [Line Items]
Restructuring and asset impairments				$ 6,400

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4. Cash, Cash Equivalents, and Marketable Securities (Details) - Cash, Cash Equivalents, and Marketable Securities - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017	Dec. 31, 2016
Cash, Cash Equivalents, and Marketable Securities [Line Items]
Cash and cash equivalents	$ 2,024,491		$ 2,024,491		$ 2,268,534
Marketable securities	1,110,421		1,110,421		720,379
Total cash, cash equivalents, and marketable securities	3,134,912		3,134,912		2,988,913
Restricted cash - current	6,554		6,554		11,120
Restricted cash - noncurrent	67,380		67,380		50,822
Cash, cash equivalents, and restricted cash	2,098,425	$ 1,554,578	2,098,425	$ 1,554,578	2,330,476	$ 1,415,690
Marketable securities, sale proceeds	10,800	15,100	10,800	118,300
Maximum [Member]
Cash, Cash Equivalents, and Marketable Securities [Line Items]
Marketable securities, realized gain	100	$ 100	100	$ 100
Foreign debt [Member]
Cash, Cash Equivalents, and Marketable Securities [Line Items]
Marketable securities	299,961		299,961		238,858
Foreign government obligations [Member]
Cash, Cash Equivalents, and Marketable Securities [Line Items]
Marketable securities	117,771		117,771		152,850
U.S debt [Member]
Cash, Cash Equivalents, and Marketable Securities [Line Items]
Marketable securities	38,562		38,562		73,671
Time deposits [Member]
Cash, Cash Equivalents, and Marketable Securities [Line Items]
Marketable securities	654,127		654,127		255,000
Cash [Member]
Cash, Cash Equivalents, and Marketable Securities [Line Items]
Cash and cash equivalents	1,804,118		1,804,118		2,142,949
Money Market Funds [Member]
Cash, Cash Equivalents, and Marketable Securities [Line Items]
Cash and cash equivalents	$ 220,373		$ 220,373		$ 125,585

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4. Cash, Cash Equivalents, and Marketable Securities (Details) - Marketable Securities $ in Thousands	Jun. 30, 2018 USD ($) Investments	Dec. 31, 2017 USD ($) Investments
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	$ 1,114,625	$ 723,388
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	3	3
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	4,207	3,012
Marketable securities	$ 1,110,421	$ 720,379
Debt securities, Available-for-sale, Continuous Unrealized Loss Position [Abstract]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Investments	9	16
Debt securities, Available-for-sale, Continuous Unrealized Loss Position, less than 12 months	$ 261,856	$ 225,007
Debt securities, Available-for-sale, Continuous Unrealized Loss Position, less than 12 months, accumulated loss	2,581	1,099
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	144,425	210,302
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	1,626	1,913
Debt securities, Available-for-sale, in loss position	406,281	435,309
Debt securities, Available-for-sale, continuous unrealized loss position, accumulated loss	4,207	3,012
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year	820,620
Debt securities, Available-for-sale, Debt Maturities, Rolling Year One Through Two	128,827
Debt securities, Available-for-sale, Debt Maturities, Rolling Year Two Through Three	160,974
Foreign debt [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	302,899	240,643
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	1	3
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	2,939	1,788
Marketable securities	299,961	238,858
Debt securities, Available-for-sale, Continuous Unrealized Loss Position [Abstract]
Debt securities, Available-for-sale, Continuous Unrealized Loss Position, less than 12 months	207,034	119,869
Debt securities, Available-for-sale, Continuous Unrealized Loss Position, less than 12 months, accumulated loss	2,040	735
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	57,927	88,919
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	899	1,053
Debt securities, Available-for-sale, in loss position	264,961	208,788
Debt securities, Available-for-sale, continuous unrealized loss position, accumulated loss	2,939	1,788
Foreign government obligations [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	118,992	153,999
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	1,221	1,149
Marketable securities	117,771	152,850
Debt securities, Available-for-sale, Continuous Unrealized Loss Position [Abstract]
Debt securities, Available-for-sale, Continuous Unrealized Loss Position, less than 12 months	31,273	31,467
Debt securities, Available-for-sale, Continuous Unrealized Loss Position, less than 12 months, accumulated loss	494	289
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	86,498	121,383
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	727	860
Debt securities, Available-for-sale, in loss position	117,771	152,850
Debt securities, Available-for-sale, continuous unrealized loss position, accumulated loss	1,221	1,149
U.S debt [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	38,607	73,746
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	2	0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	47	75
Marketable securities	38,562	73,671
Debt securities, Available-for-sale, Continuous Unrealized Loss Position [Abstract]
Debt securities, Available-for-sale, Continuous Unrealized Loss Position, less than 12 months	23,549	73,671
Debt securities, Available-for-sale, Continuous Unrealized Loss Position, less than 12 months, accumulated loss	47	75
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	0	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Debt securities, Available-for-sale, in loss position	23,549	73,671
Debt securities, Available-for-sale, continuous unrealized loss position, accumulated loss	47	75
Time deposits [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	654,127	255,000
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	0	0
Marketable securities	$ 654,127	$ 255,000

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5. Restricted Cash and Investments (Details) - Restricted Cash and Restricted Investments - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Debt Securities, Available-for-sale [Line Items]
Restricted cash	$ 67,380	$ 50,822
Restricted Investments	264,663	373,961
Restricted cash and investments, noncurrent	332,043	424,783
Restricted cash - current	$ 6,554	11,120
Solar module collection and recycling custodial account	90 days
Product minimum service life	25 years
Restricted Investments [Member]
Debt Securities, Available-for-sale [Line Items]
Restricted Investments	$ 264,663	$ 373,961
Proceeds from sale of restricted investments	101,600
Restricted investments, gross realized gains	$ 19,500

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5. Restricted Cash and Investments (Details) - Available For Sale Securities $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($) Investments	Dec. 31, 2017 USD ($) Investments
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	$ 1,114,625	$ 723,388
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	3	3
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	4,207	3,012
Restricted Investments	$ 264,663	$ 373,961
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Investments	9	16
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	$ 144,425	$ 210,302
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	2,581	1,099
Foreign government obligations [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	118,992	153,999
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	1,221	1,149
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	86,498	121,383
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	494	289
Restricted Investments [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	221,131	302,060
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	52,682	75,427
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	9,150	3,526
Restricted Investments	$ 264,663	$ 373,961
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Investments	6	6
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	$ 103,500	$ 107,700
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ 9,200	3,500
Restricted Investments [Member] | Minimum [Member]
Debt Securities, Available-for-sale [Line Items]
Contractual maturities of Debt securities, Available-for-sale, range start (in years)	12 years
Restricted Investments [Member] | Maximum [Member]
Debt Securities, Available-for-sale [Line Items]
Contractual maturities of Debt securities, Available-for-sale, range end (in years)	19 years
Restricted Investments [Member] | Foreign government obligations [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	$ 105,156	127,436
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	52,305	62,483
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	0	0
Restricted Investments	157,461	189,919
Restricted Investments [Member] | U.S. government obligations [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	115,975	174,624
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	377	12,944
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	9,150	3,526
Restricted Investments	$ 107,202	$ 184,042

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6. Consolidated Balance Sheet Details (Details) $ in Thousands, € in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 EUR (€)	Jun. 30, 2018 USD ($)	Dec. 31, 2017 EUR (€)	Dec. 31, 2017 USD ($)	Apr. 30, 2009 EUR (€)
Accounts receivable, trade, unbilled and retainage
Accounts receivable trade, gross						$ 126,472		$ 213,776
Allowance for doubtful accounts						(1,093)		(1,979)
Accounts receivable trade, net						125,379		211,797
Secured accounts receivable						28,000		16,800
Accounts receivable, unbilled						175,753		172,594
Retainage						1,958		2,014
Accounts receivable, unbilled and retainage						177,711		174,608
Inventories and balance of systems parts
Raw materials						180,836		148,968
Work in process						23,667		14,085
Finished goods						148,858		122,594
Inventories						353,361		285,647
Inventories - current						234,201		172,370
Inventories - noncurrent						119,160		113,277
Prepaid expenses and other current assets
Prepaid expenses						62,143		41,447
Value added tax receivables						13,187		12,232
Prepaid income taxes						6,689		31,944
Restricted cash						6,554		11,120
Derivative instruments						3,757		4,303
Other current assets						65,223		56,856
Prepaid expenses and other current assets						157,553		157,902
Property, plant and equipment, net
Property, plant and equipment, gross						2,706,648		2,339,276
Accumulated depreciation						(1,222,471)		(1,184,739)
Property, plant and equipment, net						1,484,177		1,154,537
PV solar power systems, net
PV solar power systems, gross						344,077		451,045
Accumulated depreciation						(27,513)		(33,937)
PV solar power systems, net						316,564		417,108
Capitalized interest
Interest cost incurred	$ (7,591)	$ (6,586)	$ (14,057)	$ (15,856)
Interest expense, net	(6,065)	(6,374)	(11,247)	(15,543)
Project assets
Project assets - development costs, including project acquisition and land costs						281,325		250,590
Project assets - construction costs						282,013		252,127
Total project assets						563,338		502,717
Project assets - current						62,475		77,931
Project assets - noncurrent						500,863		424,786
Other assets
Deferred rent						26,493		26,760
Notes receivable						9,650		10,495
Income taxes receivable						4,485		4,454
Other						52,820		43,823
Other assets						93,448		85,532
Goodwill
Accumulated impairment loss						(393,365)		(393,365)
Goodwill						14,462		14,462
Goodwill impairment			0
Goodwill, period increase (decrease)			0
Intangibles assets, net
Intangible assets, gross						109,518		107,768
Intangible assets, accumulated amortization						(32,423)		(27,541)
Intangibles assets, net						77,095		80,227
Amortization of intangible assets	2,500	2,100	$ 4,900	4,100
Accrued expenses
Accrued property, plant and equipment						115,109		133,433
Accrued project assets						105,269		55,834
Accrued inventory						47,502		24,830
Product warranty liability						32,241		28,767
Accrued compensation and benefits						30,088		73,985
Other						50,844		49,978
Accrued expenses						381,053		366,827
Other current liabilities
Contingent consideration						12,845		6,162
Derivative instruments						11,333		27,297
Financing liability						0		5,161
Indemnification liabilities						0		2,876
Other						11,997		7,261
Other current liabilities						36,175		48,757
Other liabilities
Product warranty liability						193,572		195,507
Other taxes payable						93,429		89,724
Transition tax liability						82,733		93,233
Deferred revenue, noncurrent						58,771		63,257
Derivative instruments						7,996		5,932
Contingent consideration						2,953		3,153
Financing liability						0		29,822
Commercial letter of credit liability						0		43,396
Other						44,607		44,430
Other liabilities						484,061		568,454
Developed Technology [Member]
Intangibles assets, net
Intangible assets, gross						95,964		76,959
Intangible assets, accumulated amortization						(28,544)		(24,140)
Intangibles assets, net						67,420		52,819
Power Purchase Agreements [Member]
Intangibles assets, net
Intangible assets, gross						6,486		6,486
Intangible assets, accumulated amortization						(486)		(324)
Intangibles assets, net						6,000		6,162
Patents [Member]
Intangibles assets, net
Intangible assets, gross						7,068		7,068
Intangible assets, accumulated amortization						(3,393)		(3,077)
Intangibles assets, net						3,675		3,991
In Process Research and Development [Member]
Intangibles assets, net
Intangible assets, gross								17,255
Intangible assets, accumulated amortization								0
Intangibles assets, net								17,255
Enki Technology [Member] | Developed Technology [Member]
Intangibles assets, net
Intangible assets, gross						17,300
Finite-lived intangible asset, useful life			10 years
Modules Segment [Member]
Goodwill
Goodwill, Gross						407,827		407,827
Goodwill						14,462		14,462
Goodwill from acquisition			$ 0
Credit Facility Agreement [Member]
Other assets
Notes receivable					€ 7.0	8,100	€ 7.0	8,400
Notes Receivable Initial Available Amount | €									€ 17.5
Note Receivable Interest Rate									8.00%
Property, Plant and Equipment [Member]
Property, plant and equipment, net
Depreciation	24,600	21,800	43,200	48,700
PV solar power systems [Member]
Property, plant and equipment, net
Depreciation	4,000	4,900	8,300	9,800
Project Assets [Member]
Capitalized interest
Interest costs capitalized	$ 1,526	$ 212	$ 2,810	$ 313
Land [Member]
Property, plant and equipment, net
Property, plant and equipment, gross						8,097		8,181
Building and improvements [Member]
Property, plant and equipment, net
Property, plant and equipment, gross						477,549		424,266
Machinery and equipment [Member]
Property, plant and equipment, net
Property, plant and equipment, gross						1,490,425		1,059,103
Office equipment and furniture [Member]
Property, plant and equipment, net
Property, plant and equipment, gross						166,504		157,512
Leasehold improvements [Member]
Property, plant and equipment, net
Property, plant and equipment, gross						49,048		48,951
Construction in progress [Member]
Property, plant and equipment, net
Property, plant and equipment, gross						$ 515,025		$ 641,263

XML

7. Derivative Financial Instruments (Details) - Summary - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets (Liabilities), at Fair Value, Net	$ 3,757	$ 4,303
Prepaid Expenses and Other Current Assets [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	252
Prepaid Expenses and Other Current Assets [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	3,757	4,051
Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets (Liabilities), at Fair Value, Net	(11,333)	(27,297)
Other Current Liabilities [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	8,494	13,240
Other Current Liabilities [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	2,839	14,057
Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets (Liabilities), at Fair Value, Net	(7,996)	(5,932)
Other Liabilities [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	0	0
Other Liabilities [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	7,996	5,932
Foreign exchange forward contracts [Member] | Prepaid Expenses and Other Current Assets [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	252
Foreign exchange forward contracts [Member] | Prepaid Expenses and Other Current Assets [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	3,757	4,051
Foreign exchange forward contracts [Member] | Other Current Liabilities [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	8,494	13,240
Foreign exchange forward contracts [Member] | Other Current Liabilities [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	2,736	14,057
Foreign exchange forward contracts [Member] | Other Liabilities [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	0	0
Foreign exchange forward contracts [Member] | Other Liabilities [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	0	0
Interest rate swap contract [Member] | Prepaid Expenses and Other Current Assets [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	0
Interest rate swap contract [Member] | Other Current Liabilities [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	103	0
Interest rate swap contract [Member] | Other Liabilities [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	$ 7,996	$ 5,932

XML

7. Derivative Financial Instruments (Details) - Hedging Relationship - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017	Dec. 31, 2016
Foreign exchange forward contracts [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Balance in accumulated other comprehensive (loss) income	$ 1,222	$ (896)	$ 1,222	$ (896)	$ (1,723)	$ 2,556
Amounts recognized in other comprehensive (loss) income			1,201	(3,452)
Foreign exchange forward contracts [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Net sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments, gain (loss) reclassified from accumulated OCI into income, effective portion, net			(1,744)
Foreign exchange forward contracts [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Other income, net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net	0	0	0	0
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	(300)	(100)	(500)	(200)
Foreign exchange forward contracts [Member] | Not Designated as Hedging Instrument [Member] | Foreign currency gain (loss), net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	19,035	(3,499)	6,379	(23,658)
Interest rate swap contract [Member] | Not Designated as Hedging Instrument [Member] | Interest expense, net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ (1,507)	$ (1,006)	$ (2,167)	$ (5,682)

XML

7. Derivative Financial Instruments (Details) - Risk Management € in Millions, ₨ in Millions, $ in Millions, $ in Millions, ¥ in Billions	6 Months Ended	12 Months Ended
	Jun. 30, 2018 AUD ($)	Dec. 31, 2017 EUR (€)	Jun. 30, 2018 USD ($)	Jun. 30, 2018 INR (₨)	Jun. 30, 2018 JPY (¥)	May 31, 2018 AUD ($)	Dec. 31, 2017 AUD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2017 INR (₨)	Dec. 31, 2017 JPY (¥)	Mar. 31, 2017 AUD ($)	Mar. 31, 2017 JPY (¥)
Foreign exchange forward contracts [Member]
Derivatives, Fair Value [Line Items]
Maximum length of time hedged in foreign currency cash flow hedge	3 months	9 months
Foreign exchange forward contracts [Member] | Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months			$ 1.2
Foreign exchange forward contracts [Member] | Cash Flow Hedging [Member] | India, Rupees
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount			69.0	₨ 4,730.0				$ 74.1	₨ 4,730.0
Foreign exchange forward contracts [Member] | Cash Flow Hedging [Member] | Euro Member Countries, Euro
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount		€ 15.7						18.8
Beryl Credit Facility [Member] | Interest rate swap contract [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	$ 44.1		32.6			$ 42.4
Beryl Credit Facility [Member] | Minimum [Member] | Interest rate swap contract [Member]
Derivatives, Fair Value [Line Items]
Derivative fixed interest rate paid on swap						2.0615%
Beryl Credit Facility [Member] | Maximum [Member] | Interest rate swap contract [Member]
Derivatives, Fair Value [Line Items]
Derivative fixed interest rate paid on swap						3.202%
Manildra Credit Facility [Member] | Interest rate swap contract [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	$ 56.8		41.9				$ 68.1	53.2			$ 12.8
Derivative fixed interest rate paid on swap											3.13%	3.13%
Ishikawa Credit Agreement [Member] | Interest rate swap contract [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount			$ 144.2		¥ 16.0			$ 113.4		¥ 12.8		¥ 5.7
Derivative fixed interest rate paid on swap											1.482%	1.482%

XML

7. Derivative Financial Instruments (Details) - Transaction Exposure - Foreign exchange forward contracts [Member] € in Millions, ₨ in Millions, ¥ in Millions, ¥ in Millions, RM in Millions, R$ in Millions, R in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2018 BRL (R$)	Dec. 31, 2017 SGD ($)	Jun. 30, 2018 SGD ($)	Jun. 30, 2018 EUR (€)	Jun. 30, 2018 CNY (¥)	Jun. 30, 2018 CLP ($)	Jun. 30, 2018 ZAR (R)	Jun. 30, 2018 MYR (RM)	Jun. 30, 2018 AUD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2018 CAD ($)	Jun. 30, 2018 INR (₨)	Jun. 30, 2018 MXN ($)	Jun. 30, 2018 JPY (¥)	Dec. 31, 2017 EUR (€)	Dec. 31, 2017 CNY (¥)	Dec. 31, 2017 CLP ($)	Dec. 31, 2017 ZAR (R)	Dec. 31, 2017 MYR (RM)	Dec. 31, 2017 AUD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2017 CAD ($)	Dec. 31, 2017 INR (₨)	Dec. 31, 2017 JPY (¥)
Derivative [Line Items]
Maximum Remaining Maturity of Foreign Currency Derivatives	3 months
Australia, Dollars | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Currency Bought	Australian dollar	Australian dollar
Derivative, Currency Sold	Australian dollar	Australian dollar
Brazil, Brazil Real | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Currency Bought	Brazilian real
Derivative, Currency Sold	Brazilian real
Canada, Dollars | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Currency Sold	Canadian dollar	Canadian dollar
Chile, Pesos | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Currency Sold	Chilean peso	Chilean peso
China, Yuan Renminbi | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Currency Bought	Chinese yuan	Chinese yuan
Euro Member Countries, Euro | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Currency Bought	Euro	Euro
Derivative, Currency Sold	Euro	Euro
India, Rupees | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Currency Bought		Indian rupee
Derivative, Currency Sold	Indian rupee	Indian rupee
Japan, Yen | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Currency Bought	Japanese yen
Derivative, Currency Sold	Japanese yen	Japanese yen
Malaysia, Ringgits | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Currency Bought	Malaysian ringgit	Malaysian ringgit
Derivative, Currency Sold	Malaysian ringgit	Malaysian ringgit
Mexico, Pesos | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Currency Sold	Mexican peso
Singapore, Dollars | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Currency Bought	Singapore dollar
Derivative, Currency Sold		Singapore dollar
South Africa, Rand | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Currency Bought	South African rand	South African rand
Derivative, Currency Sold	South African rand	South African rand
Long [Member] | Australia, Dollars | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount									$ 46.5	$ 34.3										$ 12.7	$ 9.9
Long [Member] | Brazil, Brazil Real | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount	R$ 16.9									4.4
Long [Member] | China, Yuan Renminbi | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount					¥ 20.0					3.0						¥ 13.8					2.1
Long [Member] | Euro Member Countries, Euro | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount				€ 166.6						194.0					€ 151.4						181.6
Long [Member] | India, Rupees | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount																					10.1		₨ 645.7
Long [Member] | Japan, Yen | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount										11.4				¥ 1,257.2
Long [Member] | Malaysia, Ringgits | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount								RM 8.9		2.2									RM 31.0		7.7
Long [Member] | Singapore, Dollars | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount			$ 5.4							4.0
Long [Member] | South Africa, Rand | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount							R 12.1			0.9								R 12.5			1.0
Short [Member] | Australia, Dollars | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount									$ 48.4	35.8										$ 56.8	44.4
Short [Member] | Brazil, Brazil Real | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount	R$ 9.1									2.4
Short [Member] | Canada, Dollars | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount										2.2	$ 2.9										1.4	$ 1.7
Short [Member] | Chile, Pesos | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount						$ 1,283.4				2.0							$ 10,180.9				16.6
Short [Member] | Euro Member Countries, Euro | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount				€ 230.5						268.4					€ 193.2						231.7
Short [Member] | India, Rupees | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount										14.0		₨ 962.0									131.1		₨ 8,376.0
Short [Member] | Japan, Yen | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount										217.6				¥ 24,098.5							212.6			¥ 23,922.2
Short [Member] | Malaysia, Ringgits | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount								RM 18.3		4.5									RM 336.5		83.1
Short [Member] | Mexico, Pesos | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount										1.9			$ 37.3
Short [Member] | Singapore, Dollars | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount		$ 3.1																			2.3
Short [Member] | South Africa, Rand | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount							R 33.7			$ 2.4								R 61.1			$ 5.0

XML

8. Fair Value Measurements (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Assets:
Marketable securities	$ 1,110,421	$ 720,379
Restricted Investments	264,663	373,961
Foreign debt [Member]
Assets:
Marketable securities	299,961	238,858
Foreign government obligations [Member]
Assets:
Marketable securities	117,771	152,850
U.S debt [Member]
Assets:
Marketable securities	38,562	73,671
Time deposits [Member]
Assets:
Marketable securities	654,127	255,000
Fair Value, Measurements, Recurring [Member]
Assets:
Restricted Investments	264,663	373,961
Derivative assets	3,757	4,303
Total assets	1,599,214	1,224,228
Liabilities:
Derivative liabilities	19,329	33,229
Fair Value, Measurements, Recurring [Member] | Foreign debt [Member]
Assets:
Marketable securities	299,961	238,858
Fair Value, Measurements, Recurring [Member] | Foreign government obligations [Member]
Assets:
Marketable securities	117,771	152,850
Fair Value, Measurements, Recurring [Member] | U.S debt [Member]
Assets:
Marketable securities	38,562	73,671
Fair Value, Measurements, Recurring [Member] | Time deposits [Member]
Assets:
Marketable securities	654,127	255,000
Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
Assets:
Cash equivalents	220,373	125,585
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Assets:
Restricted Investments	0	0
Derivative assets	0	0
Total assets	874,500	380,585
Liabilities:
Derivative liabilities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Foreign debt [Member]
Assets:
Marketable securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Foreign government obligations [Member]
Assets:
Marketable securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | U.S debt [Member]
Assets:
Marketable securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Time deposits [Member]
Assets:
Marketable securities	654,127	255,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member]
Assets:
Cash equivalents	220,373	125,585
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Restricted Investments	264,663	373,961
Derivative assets	3,757	4,303
Total assets	724,714	843,643
Liabilities:
Derivative liabilities	19,329	33,229
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Foreign debt [Member]
Assets:
Marketable securities	299,961	238,858
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Foreign government obligations [Member]
Assets:
Marketable securities	117,771	152,850
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | U.S debt [Member]
Assets:
Marketable securities	38,562	73,671
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Time deposits [Member]
Assets:
Marketable securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Money Market Funds [Member]
Assets:
Cash equivalents	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Assets:
Restricted Investments	0	0
Derivative assets	0	0
Total assets	0	0
Liabilities:
Derivative liabilities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Foreign debt [Member]
Assets:
Marketable securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Foreign government obligations [Member]
Assets:
Marketable securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | U.S debt [Member]
Assets:
Marketable securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Time deposits [Member]
Assets:
Marketable securities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Money Market Funds [Member]
Assets:
Cash equivalents	$ 0	$ 0

XML

8. Fair Value Measurements (Details) - Balance Sheet Grouping - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Notes receivable - noncurrent	$ 9,650	$ 10,495
Notes receivable, affiliate - current	21,398	20,411
Note receivable, affiliate - noncurrent	0	48,370
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Long-term debt, including current maturities	468,823
Reported Value Measurement [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Notes receivable - noncurrent	9,650	10,495
Notes receivable, affiliate - current	21,398	20,411
Note receivable, affiliate - noncurrent	0	48,370
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Long-term debt, including current maturities	468,823	406,388
Estimate of Fair Value Measurement [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Notes receivable - noncurrent	9,642	10,516
Notes receivable, affiliate - current	23,620	23,317
Note receivable, affiliate - noncurrent	0	47,441
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Long-term debt, including current maturities	$ 471,974	$ 416,486

XML

9. Equity Method Investments (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	May 31, 2018	Jun. 30, 2017	May 31, 2017	Dec. 31, 2017	Aug. 31, 2017	Dec. 31, 2016
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 8,110	$ 8,110		$ 8,110				$ 217,230
Proceeds from sales of equity method investments				247,595		$ 0
Equity in earnings, net of tax		40,085	$ 1,969	38,338		1,417
Distributions received from equity method investments				12,394		11,180
Net sales		309,318	623,326	876,583		1,515,117
Sale of system previously accounted for as sale-leaseback financing				31,992		0
Note receivable, affiliate - noncurrent	0	0		0				48,370
Payments received on notes receivable, affiliates				48,369		114
Notes receivable, affiliate - current	21,398	21,398		21,398				20,411
O&M Services [Member]
Schedule of Equity Method Investments [Line Items]
Net sales		24,427	24,964	51,141		49,660
Maryland Solar Project [Member]
Schedule of Equity Method Investments [Line Items]
Net sales	32,000
Sale Leaseback Transaction, Amount Due under Financing Arrangement								35,000
8point3 Operating Company, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investments	0	0		0				199,477
Proceeds from sales of equity method investments	240,000
Equity in earnings, net of tax		40,900	3,000	39,700		3,800
Equity method investment, realized gain (loss) on disposal	40,300
Distributions received from equity method investments				12,400		11,200
Note receivable, affiliate - noncurrent										$ 50,000
Payments received on notes receivable, affiliates	47,800
Equity Method Investment, Summarized Financial Information, Net Sales					$ 28,736		$ 26,575
Equity Method Investment, Summarized Financial Information, Operating (Loss) Income					(38,606)		4,825
Equity Method Investment, Summarized Financial Information, Net (Loss) Income					(39,280)		4,783
Equity Method Investment, Summarized Financial Information, Net (Loss) Income Attributable to Equity Method Investee					$ (45,228)		$ 20,302
Clean Energy Collective, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 4,786	4,786		4,786				6,521
Equity in earnings, net of tax		$ 700	900	$ 1,200		2,100
Note Receivable Interest Rate									16.00%
Convertible Notes Receivable Interest Rate									10.00%
Equity Method Investment, Ownership Percentage	26.00%	26.00%		26.00%
Clean Energy Collective, LLC [Member] | Term Loan [Member]
Schedule of Equity Method Investments [Line Items]
Notes receivable, affiliate - current	$ 16,400	$ 16,400		$ 16,400				15,800
Clean Energy Collective, LLC [Member] | Convertible Loan [Member]
Schedule of Equity Method Investments [Line Items]
Notes receivable, affiliate - current	4,600	4,600		4,600				4,600
Other Equity Method Investments [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 3,324	3,324		3,324				$ 11,232
8point3 Energy Partners LP [Member] | O&M Services [Member]
Schedule of Equity Method Investments [Line Items]
Revenue from Related Parties		$ 2,700	$ 2,500	$ 5,600		$ 5,400
Desert Stateline Holdings, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage Sold										34.00%

XML

10. Debt (Details) $ in Thousands, $ in Millions, ₨ in Billions, ¥ in Billions	3 Months Ended	6 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2018 AUD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Mar. 31, 2018 INR (₨)	Mar. 31, 2018 JPY (¥)	Feb. 28, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2017 INR (₨)	Jun. 30, 2017 USD ($)	Jun. 30, 2017 JPY (¥)	Mar. 31, 2017 AUD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2016 INR (₨)	Dec. 31, 2016 JPY (¥)	Sep. 30, 2015 USD ($)	Sep. 30, 2015 JPY (¥)	Mar. 31, 2015 USD ($)	Mar. 31, 2015 INR (₨)
Long-term Debt [Abstract]
Long-term debt, gross			$ 468,928					$ 406,544
Unamortized discount and issuance costs			12,633					13,004
Total long-term debt			456,295					393,540
Less current portion			(7,741)					(13,075)
Noncurrent portion			448,554					380,465
Long-term Debt, Maturities, Repayments of Principal in Remainder of Fiscal Year			1,144
Long-term Debt, Maturities, Repayments of Principal in Year Two			11,212
Long-term Debt, Maturities, Repayments of Principal in Year Three			28,292
Long-term Debt, Maturities, Repayments of Principal in Year Four			43,324
Long-term Debt, Maturities, Repayments of Principal in Year Five			59,439
Long-term Debt, Maturities, Repayments of Principal after Year Five			325,412
Total long-term debt future principal payments			468,823
Revolving Credit Facility [Member]
Long-term Debt [Abstract]
Debt instrument, currency		USD
Revolving credit facility			0					0
Line of Credit Facility, Current Borrowing Capacity			500,000
Line of Credit Facility, Maximum Borrowing Capacity			750,000
Letters of Credit Outstanding, Amount			52,300					57,500
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage		0.30%
Fronting fee		0.125%
Line of Credit Facility, Letter of Credit Sub-Limit			$ 400,000
Debt Instrument, Interest Rate, Stated Percentage		4.09%	4.09%
Debt Instrument, Description of Variable Rate Basis		Borrowings under the credit facility bear interest at (i) London Interbank Offered Rate (“LIBOR”), adjusted for Eurocurrency reserve requirements, plus a margin of 2.00% or (ii) a base rate as defined in the credit agreement plus a margin of 1.00% depending on the type of borrowing requested.
Revolving Credit Facility [Member] | Minimum [Member]
Long-term Debt [Abstract]
Debt Instrument, Basis Spread on Variable Rate		1.00%
Revolving Credit Facility [Member] | Maximum [Member]
Long-term Debt [Abstract]
Debt Instrument, Basis Spread on Variable Rate		2.00%
Luz del Norte Credit Facilities [Member]
Long-term Debt [Abstract]
Debt instrument, currency		USD
Long-term debt, gross			$ 187,253					185,675
Luz del Norte Credit Facilities [Member] | OPIC and IFC [Member]
Long-term Debt [Abstract]
Debt Instrument, Description of Fixed Rate Basis		Fixed rate loans at bank rate plus 3.50%
Debt Instrument, Description of Variable Rate Basis		Variable rate loans at 91-Day U.S. Treasury Bill Yield or LIBOR plus 3.50%
Debt Instrument, Basis Spread on Fixed Rate		3.50%
Debt Instrument, Basis Spread on Variable Rate		3.50%
Luz del Norte Credit Facilities [Member] | OPIC and IFC [Member] | Parque Solar Fotovoltaico Luz del Norte SpA [Member]
Long-term Debt [Abstract]
Debt Instrument, Collateral Amount			322,900
Luz del Norte Credit Facilities [Member] | OPIC [Member] | Parque Solar Fotovoltaico Luz del Norte SpA [Member]
Long-term Debt [Abstract]
Long-term debt, gross			140,300					139,000
Luz del Norte Credit Facilities [Member] | IFC [Member] | Parque Solar Fotovoltaico Luz del Norte SpA [Member]
Long-term Debt [Abstract]
Long-term debt, gross			47,000					46,600
Luz del Norte Credit Facilities [Member] | Fixed Rate Term Loan [Member] | OPIC and IFC [Member]
Long-term Debt [Abstract]
Long-term debt, gross			162,700
Luz del Norte Credit Facilities [Member] | Variable Rate Term Loan [Member] | OPIC and IFC [Member]
Long-term Debt [Abstract]
Long-term debt, gross			24,500
Ishikawa Credit Agreement [Member]
Long-term Debt [Abstract]
Debt instrument, currency		JPY
Long-term debt, gross			157,257					121,446
Ishikawa Credit Agreement [Member] | Mizuho Bank [Member] | FS Japan Project 12 GK [Member]
Long-term Debt [Abstract]
Long-term debt, gross			157,300					121,400
Line of Credit Facility, Current Borrowing Capacity														$ 246,500		¥ 27.3
Ishikawa Credit Agreement [Member] | Senior Loan Facility [Member] | Mizuho Bank [Member]
Long-term Debt [Abstract]
Debt Instrument, Description of Variable Rate Basis		Senior loan facility at 6-month TIBOR plus 0.75% (2)
Debt Instrument, Basis Spread on Variable Rate		0.75%
Ishikawa Credit Agreement [Member] | Senior Loan Facility [Member] | Mizuho Bank [Member] | FS Japan Project 12 GK [Member]
Long-term Debt [Abstract]
Line of Credit Facility, Current Borrowing Capacity														216,700		24.0
Ishikawa Credit Agreement [Member] | Consumption Tax Facility [Member] | Mizuho Bank [Member]
Long-term Debt [Abstract]
Debt Instrument, Description of Variable Rate Basis		Consumption tax facility at 3-month TIBOR plus 0.5%
Debt Instrument, Basis Spread on Variable Rate		0.50%
Ishikawa Credit Agreement [Member] | Consumption Tax Facility [Member] | Mizuho Bank [Member] | FS Japan Project 12 GK [Member]
Long-term Debt [Abstract]
Line of Credit Facility, Current Borrowing Capacity														19,000		2.1
Ishikawa Credit Agreement [Member] | Letter of Credit Facility [Member] | Mizuho Bank [Member] | FS Japan Project 12 GK [Member]
Long-term Debt [Abstract]
Line of Credit Facility, Current Borrowing Capacity														10,800		¥ 1.2
Japan Credit Facility [Member]
Long-term Debt [Abstract]
Debt instrument, currency		JPY
Long-term debt, gross			0					10,710
Japan Credit Facility [Member] | Mizuho Bank [Member]
Long-term Debt [Abstract]
Debt Instrument, Description of Variable Rate Basis		1-month TIBOR plus 0.5%
Debt Instrument, Basis Spread on Variable Rate		0.50%
Japan Credit Facility [Member] | Mizuho Bank [Member] | First Solar Japan GK [Member]
Long-term Debt [Abstract]
Long-term debt, gross			0					10,700
Line of Credit Facility, Current Borrowing Capacity																	$ 36,100	¥ 4.0
Tochigi Credit Facility [Member]
Long-term Debt [Abstract]
Debt instrument, currency		JPY
Long-term debt, gross			190					0
Tochigi Credit Facility [Member] | Mizuho Bank [Member]
Long-term Debt [Abstract]
Debt Instrument, Description of Variable Rate Basis		3-month TIBOR plus 1.0%
Debt Instrument, Basis Spread on Variable Rate		1.00%
Tochigi Credit Facility [Member] | Mizuho Bank [Member] | First Solar Japan GK [Member]
Long-term Debt [Abstract]
Long-term debt, gross			200
Line of Credit Facility, Current Borrowing Capacity										$ 63,200	¥ 7.0
Mashiko Credit Agreement [Member]
Long-term Debt [Abstract]
Debt instrument, currency		JPY
Long-term debt, gross			0					0
Mashiko Credit Agreement [Member] | Mizuho Bank [Member] | FS Japan Project 14 GK [Member]
Long-term Debt [Abstract]
Long-term debt, gross			0
Line of Credit Facility, Current Borrowing Capacity				$ 83,100		¥ 9.2
Mashiko Credit Agreement [Member] | Senior Loan Facility [Member] | Mizuho Bank [Member]
Long-term Debt [Abstract]
Debt Instrument, Description of Variable Rate Basis		Senior loan facility at 6-month TIBOR plus 0.70%
Debt Instrument, Basis Spread on Variable Rate		0.70%
Mashiko Credit Agreement [Member] | Senior Loan Facility [Member] | Mizuho Bank [Member] | FS Japan Project 14 GK [Member]
Long-term Debt [Abstract]
Line of Credit Facility, Current Borrowing Capacity				73,100		8.1
Mashiko Credit Agreement [Member] | Consumption Tax Facility [Member] | Mizuho Bank [Member]
Long-term Debt [Abstract]
Debt Instrument, Description of Variable Rate Basis		Consumption tax facility at 3-month TIBOR plus 0.5%
Debt Instrument, Basis Spread on Variable Rate		0.50%
Mashiko Credit Agreement [Member] | Consumption Tax Facility [Member] | Mizuho Bank [Member] | FS Japan Project 14 GK [Member]
Long-term Debt [Abstract]
Line of Credit Facility, Current Borrowing Capacity				6,300		0.7
Mashiko Credit Agreement [Member] | Letter of Credit Facility [Member] | Mizuho Bank [Member] | FS Japan Project 14 GK [Member]
Long-term Debt [Abstract]
Line of Credit Facility, Current Borrowing Capacity				3,600		¥ 0.4
Marikal Credit Facility [Member]
Long-term Debt [Abstract]
Debt instrument, currency		INR
Long-term debt, gross			0					7,384
Marikal Credit Facility [Member] | Axis Bank [Member] | Marikal Solar Parks Private Limited [Member]
Long-term Debt [Abstract]
Long-term debt, gross								7,400
Line of Credit Facility, Current Borrowing Capacity																			$ 8,000	₨ 0.5
Repayments of Debt	$ 6,800
Hindupur Credit Facility [Member]
Long-term Debt [Abstract]
Debt instrument, currency		INR
Long-term debt, gross			0					18,722
Hindupur Credit Facility [Member] | Yes Bank Limited [Member] | Hindupur Solar Parks Private Limited [Member]
Long-term Debt [Abstract]
Long-term debt, gross							$ 17,000	18,700
Line of Credit Facility, Current Borrowing Capacity														62,800	₨ 4.3
Letters of Credit Outstanding, Amount								42,300	₨ 2.9
Line of Credit Facility, Letter of Credit Sub-Limit														$ 46,700	₨ 3.2
Anantapur Credit Facility [Member]
Long-term Debt [Abstract]
Debt instrument, currency		INR
Long-term debt, gross			16,464					0
Anantapur Credit Facility [Member] | J.P. Morgan Securities India Private Limited [Member]
Long-term Debt [Abstract]
Debt Instrument, Description of Variable Rate Basis		INR overnight indexed swap rate plus 1.5%
Debt Instrument, Basis Spread on Variable Rate		1.50%
Anantapur Credit Facility [Member] | J.P. Morgan Securities India Private Limited [Member] | Anantapur Solar Parks Private Limited [Member]
Long-term Debt [Abstract]
Long-term debt, gross			16,500
Line of Credit Facility, Current Borrowing Capacity				17,500	₨ 1.2
Tungabhadra Credit Facility [Member]
Long-term Debt [Abstract]
Debt instrument, currency		INR
Long-term debt, gross			13,282					0
Tungabhadra Credit Facility [Member] | J.P. Morgan Securities India Private Limited [Member]
Long-term Debt [Abstract]
Debt Instrument, Description of Variable Rate Basis		INR overnight indexed swap rate plus 1.5%
Debt Instrument, Basis Spread on Variable Rate		1.50%
Tungabhadra Credit Facility [Member] | J.P. Morgan Securities India Private Limited [Member] | Tungabhadra Solar Parks Private Limited [Member]
Long-term Debt [Abstract]
Long-term debt, gross			13,300
Line of Credit Facility, Current Borrowing Capacity				$ 14,600	₨ 1.0
Manildra Credit Facility [Member]
Long-term Debt [Abstract]
Debt instrument, currency		AUD
Long-term debt, gross			59,045					62,451
Manildra Credit Facility [Member] | Société Générale S.A. and The Bank of Tokyo-Mitsubishi UFJ, Ltd. [Member] | Manildra Finco Pty Ltd [Member]
Long-term Debt [Abstract]
Long-term debt, gross			59,000					62,500
Line of Credit Facility, Current Borrowing Capacity												$ 81.7	$ 60,300
Manildra Credit Facility [Member] | Construction Loans [Member] | Société Générale S.A. and The Bank of Tokyo-Mitsubishi UFJ, Ltd. [Member]
Long-term Debt [Abstract]
Debt Instrument, Description of Variable Rate Basis		Construction loan facility at 1-month BBSY plus 1.70% (2)
Debt Instrument, Basis Spread on Variable Rate		1.70%
Manildra Credit Facility [Member] | Construction Loans [Member] | Société Générale S.A. and The Bank of Tokyo-Mitsubishi UFJ, Ltd. [Member] | Manildra Finco Pty Ltd [Member]
Long-term Debt [Abstract]
Line of Credit Facility, Current Borrowing Capacity												75.7	55,900
Manildra Credit Facility [Member] | Goods and Service Tax Facility [Member] | Société Générale S.A. and The Bank of Tokyo-Mitsubishi UFJ, Ltd. [Member]
Long-term Debt [Abstract]
Debt Instrument, Description of Variable Rate Basis		GST facility at 1-month BBSY plus 1.60%
Debt Instrument, Basis Spread on Variable Rate		1.60%
Manildra Credit Facility [Member] | Goods and Service Tax Facility [Member] | Société Générale S.A. and The Bank of Tokyo-Mitsubishi UFJ, Ltd. [Member] | Manildra Finco Pty Ltd [Member]
Long-term Debt [Abstract]
Line of Credit Facility, Current Borrowing Capacity												$ 6.0	$ 4,400
Beryl Credit Facility [Member]
Long-term Debt [Abstract]
Debt instrument, currency		AUD
Long-term debt, gross			35,332					0
Beryl Credit Facility [Member] | MUFG Bank, Ltd.; Société Générale, Hong Kong Branch; and Mizuho Bank, Ltd. [Member] | FS NSW Project No 1 Finco Pty Ltd [Member]
Long-term Debt [Abstract]
Long-term debt, gross			35,300
Line of Credit Facility, Current Borrowing Capacity		$ 146.4	108,100
Beryl Credit Facility [Member] | Construction Loans [Member] | MUFG Bank, Ltd.; Société Générale, Hong Kong Branch; and Mizuho Bank, Ltd. [Member]
Long-term Debt [Abstract]
Debt Instrument, Description of Variable Rate Basis		Construction loan facility at 1-month BBSY plus 1.55% (2)
Debt Instrument, Basis Spread on Variable Rate		1.55%
Beryl Credit Facility [Member] | Construction Loans [Member] | MUFG Bank, Ltd.; Société Générale, Hong Kong Branch; and Mizuho Bank, Ltd. [Member] | FS NSW Project No 1 Finco Pty Ltd [Member]
Long-term Debt [Abstract]
Line of Credit Facility, Current Borrowing Capacity		$ 135.4	100,000
Beryl Credit Facility [Member] | Goods and Service Tax Facility [Member] | MUFG Bank, Ltd.; Société Générale, Hong Kong Branch; and Mizuho Bank, Ltd. [Member]
Long-term Debt [Abstract]
Debt Instrument, Description of Variable Rate Basis		GST facility at 1-month BBSY plus 1.00%
Debt Instrument, Basis Spread on Variable Rate		1.00%
Beryl Credit Facility [Member] | Goods and Service Tax Facility [Member] | MUFG Bank, Ltd.; Société Générale, Hong Kong Branch; and Mizuho Bank, Ltd. [Member] | FS NSW Project No 1 Finco Pty Ltd [Member]
Long-term Debt [Abstract]
Line of Credit Facility, Current Borrowing Capacity		$ 7.0	5,200
Beryl Credit Facility [Member] | Letter of Credit Facility [Member] | MUFG Bank, Ltd.; Société Générale, Hong Kong Branch; and Mizuho Bank, Ltd. [Member] | FS NSW Project No 1 Finco Pty Ltd [Member]
Long-term Debt [Abstract]
Line of Credit Facility, Current Borrowing Capacity		$ 4.0	3,000
Capital Lease Obligations [Member]
Long-term Debt [Abstract]
Debt instrument, currency		Various
Long-term debt, gross			$ 105					$ 156

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11. Commitments and Contingencies (Details) - Commercial Commitments - USD ($) $ in Thousands	Jun. 30, 2018	Feb. 28, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Bank Guarantees and Letters of Credit	$ 600
Surety Bonds	136,800
Surety Bond Capacity	579,700
Commercial letter of credit liability	0		$ 43,396
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Letter of Credit Sub-Limit	400,000
Letters of Credit Outstanding, Amount	52,300		57,500
Letters of Credit, Remaining Borrowing Capacity	347,700
Bilateral Facilities [Member]
Debt Instrument [Line Items]
Letters of Credit Outstanding, Amount	260,500
Cash Collateral for Borrowed Securities	$ 34,900
Hindupur Credit Facility [Member]
Debt Instrument [Line Items]
Commercial letter of credit liability		$ 43,300	$ 43,396

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11. Commitments and Contingencies (Details) - Supply Agreements - USD ($) $ in Millions	1 Months Ended
	Apr. 30, 2018	Mar. 31, 2018
Substrate Glass [Member]
Long-term Purchase Commitment [Line Items]
Long-term Purchase Commitment, Amount	$ 2,400
Substrate Glass [Member] | Maximum [Member]
Long-term Purchase Commitment [Line Items]
Long-term Purchase Commitment, Termination Penalty	350
Long-term Purchase Commitment, Termination Penalty, 5 Year	250
Long-term Purchase Commitment, Termination Penalty, 8 Year	$ 100
Cover Glass [Member]
Long-term Purchase Commitment [Line Items]
Long-term Purchase Commitment, Amount		$ 500
Cover Glass [Member] | Maximum [Member]
Long-term Purchase Commitment [Line Items]
Long-term Purchase Commitment, Termination Penalty		$ 80

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11. Commitments and Contingencies (Details) - Product Warranties - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Movement in Standard Product Warranty Accrual [Roll Forward]
Product warranty liability, beginning of period	$ 225,800	$ 253,422	$ 224,274	$ 252,408
Accruals for new warranties issued	1,836	5,270	5,468	10,286
Settlements	(2,472)	(2,249)	(5,081)	(3,916)
Changes in estimate of product warranty liability	649	(16,742)	1,152	(19,077)
Product warranty liability, end of period	225,813	239,701	225,813	239,701
Current portion of warranty liability	32,241	37,217	32,241	37,217
Noncurrent portion of warranty liability	$ 193,572	$ 202,484	$ 193,572	$ 202,484
Percentage Point Change in Estimated Rate of Return of Module Warranty	1.00%		1.00%
Estimated Change in Module Warranty from Sensitivity Analysis	$ 74,500		$ 74,500
Percentage Point Change in Estimated Rate of Return of Balance of Systems Warranty	1.00%		1.00%
Minimum [Member]
Movement in Standard Product Warranty Accrual [Roll Forward]
Estimated Rate of Return for Module Warranty	1.00%		1.00%
Maximum [Member]
Movement in Standard Product Warranty Accrual [Roll Forward]
Estimated Rate of Return for Module Warranty	3.00%		3.00%

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11. Commitments and Contingencies (Details) - Performance Guarantees - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract]
Energy Performance Testing Liability	$ 8.6	$ 2.1

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11. Commitments and Contingencies (Details) - Indemnifications - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract]
Indemnification liabilities, noncurrent	$ 3,000	$ 4,900
Indemnification liabilities, current	0	$ 2,876
Indemnification liabilities, maximum exposure	122,300
Indemnification liabilities, potential insurance recoveries	$ 84,900

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11. Commitments and Contingencies (Details) - Contingent Consideration - USD ($) $ in Millions	1 Months Ended
	May 31, 2018	Jun. 30, 2018	Dec. 31, 2017
Business Acquisition, Contingent Consideration [Line Items]
Project Acquisition, Consideration Transferred	$ 21.9
Project Acquisition, Consideration Transferred, Contingent Consideration	$ 5.0
Project Acquisition, Contingent Consideration Liability, Current		$ 9.3	$ 4.4
Project Acquisition, Contingent Consideration Liability, Noncurrent		3.0	3.2
Enki Technology [Member]
Business Acquisition, Contingent Consideration [Line Items]
Business Combination, Contingent Consideration, Liability, Current		$ 3.5	$ 1.8

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11. Commitments and Contingencies (Details) - Solar Module Collection and Recycling Liability - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract]
Accrued solar module collection and recycling liability	$ 166,837	$ 166,609
Percentage increase in annualized inflation rate	1.00%
Estimated increase in solar module collection recycling liability from sensitivity analysis	$ 33,600
Percentage decrease in annualized inflation rate	1.00%
Estimated decrease in solar module collection recycling liability from sensitivity analysis	$ 28,200

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12. Revenue from Contracts with Customers (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($) Projects	Jun. 30, 2017 USD ($) Projects	Jun. 30, 2018 USD ($) Projects	Jun. 30, 2017 USD ($) Projects	Dec. 31, 2017 USD ($)
Revenue from Contracts with Customers [Line Items]
Net sales	$ 309,318	$ 623,326	$ 876,583	$ 1,515,117
Project Change in Estimate Disclosure Threshold			$ 1,000
Number of Projects with Changes in Estimates | Projects	1	3	23	5
(Decrease) Increase in Revenue from Net Changes in Transaction Prices	$ (4,513)	$ 2,680	$ 48,277	$ 956
(Decrease) Increase in Revenue from Net Changes in Input Cost Estimates	(12,160)	3,400	(10,281)	4,895
Net (Decrease) Increase in Revenue from Net Changes in Estimates	$ (16,673)	$ 6,080	$ 37,996	$ 5,851
Net Change in Estimate as a Percentage of Aggregate Revenue for Associated Projects	(1.90%)	1.30%	0.40%	0.70%
Increase in Revenue from Net Changes in Indirect Tax Estimates			$ 54,600
Accounts receivable, unbilled	$ 175,753		175,753		$ 172,594
Retainage	1,958		1,958		2,014
Accounts receivable, unbilled and retainage	177,711		177,711		174,608
Contract Asset, Net Change			$ 3,103
Contract Asset, Percent Change			2.00%
Deferred Revenue	258,253		$ 258,253		145,073
Contract Liability, Net Change			$ 113,180
Contract Liability, Percent Change			78.00%
Deferred Revenue, Noncurrent	58,771		$ 58,771		$ 63,257
Sales Revenue Net, from Beginning Contract Liability			55,000	$ 308,100
Solar Modules [Member]
Revenue from Contracts with Customers [Line Items]
Net sales	105,332	$ 228,392	266,625	299,530
Remaining Performance Obligation, Transaction Price	3,000,000		3,000,000
Solar Power Systems [Member]
Revenue from Contracts with Customers [Line Items]
Net sales	109,659	340,036	464,069	1,092,518
EPC Services [Member]
Revenue from Contracts with Customers [Line Items]
Net sales	56,854	14,302	69,572	40,434
O&M Services [Member]
Revenue from Contracts with Customers [Line Items]
Net sales	24,427	24,964	51,141	49,660
Remaining Performance Obligation, Transaction Price	$ 500,000		$ 500,000
Revenue, Remaining Performance Obligation, Period of Recognition	11 years 7 months		11 years 7 months
Energy Generation [Member]
Revenue from Contracts with Customers [Line Items]
Net sales	$ 13,046	15,628	$ 25,176	29,664
Module Plus [Member]
Revenue from Contracts with Customers [Line Items]
Net sales	0	$ 4	0	$ 3,311
Solar Power Systems, Sales of and EPC Services [Member]
Revenue from Contracts with Customers [Line Items]
Remaining Performance Obligation, Transaction Price	$ 1,000,000		$ 1,000,000
Solar Power Systems, Sales of and EPC Services [Member] | California Flats [Member]
Revenue from Contracts with Customers [Line Items]
Remaining Performance Obligations, Percent of Revenue Recognized	75.00%		75.00%
Solar Power Systems, Sales of and EPC Services [Member] | Phoebe [Member]
Revenue from Contracts with Customers [Line Items]
Remaining Performance Obligations, Percent of Revenue Recognized	0.00%		0.00%
Solar Power Systems, Sales of and EPC Services [Member] | Rosamond [Member]
Revenue from Contracts with Customers [Line Items]
Remaining Performance Obligations, Percent of Revenue Recognized	35.00%		35.00%
Solar Power Systems, Sales of and EPC Services [Member] | Balm Solar [Member]
Revenue from Contracts with Customers [Line Items]
Remaining Performance Obligations, Percent of Revenue Recognized	16.00%		16.00%
Solar Power Systems, Sales of and EPC Services [Member] | Payne Creek [Member]
Revenue from Contracts with Customers [Line Items]
Remaining Performance Obligations, Percent of Revenue Recognized	63.00%		63.00%
Solar Power Systems, Sales of and EPC Services [Member] | Grange Hall [Member]
Revenue from Contracts with Customers [Line Items]
Remaining Performance Obligations, Percent of Revenue Recognized	0.00%		0.00%
Solar Power Systems, Sales of and EPC Services [Member] | Peace Creek [Member]
Revenue from Contracts with Customers [Line Items]
Remaining Performance Obligations, Percent of Revenue Recognized	0.00%		0.00%
Solar Power Systems, Sales of and EPC Services [Member] | Troy Solar [Member]
Revenue from Contracts with Customers [Line Items]
Remaining Performance Obligations, Percent of Revenue Recognized	0.00%		0.00%

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13. Share-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	$ 10,584	$ 8,371	$ 19,236	$ 15,422
Allocated Share-based Compensation Expense, Gross	10,007	8,645	18,872	15,442
Net amount released from (absorbed into) inventory	577	(274)	364	(20)
Employee service share-based compensation, capitalized in inventory	1,700		1,700		$ 2,100
Restricted and performance stock units [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	9,588	8,192	17,993	14,210
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized	$ 61,200		61,200
Employee service share-based compensation, unrecognized compensation costs on nonvested awards, weighted average period of recognition (in years)	1 year 7 months
Unrestricted stock [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	$ 419	419	879	838
Stock purchase plan [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	0	34	0	394
Cost of sales [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	2,286	1,404	3,536	3,104
Selling, general and administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	6,603	5,475	12,264	9,697
Research and development [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	1,639	1,460	3,064	2,589
Production start-up [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Allocated Share-based Compensation Expense	$ 56	$ 32	$ 372	$ 32

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14. Income Taxes (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Statutory U.S. federal tax rate	21.00%		35.00%
Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Provisional Income Tax Expense (Benefit)			$ 6.6
Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Transition Tax for Accumulated Foreign Earnings, Provisional Income Tax Expense (Benefit)			$ 401.5
Foreign-Derived Intangible Income Deduction Limit, Percent	37.50%
Effective income tax rate	345.00%	(135.60%)
Significant change in unrecognized tax benefits is reasonably possible, amount of unrecorded benefit	$ 9.4

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15. Net (Loss) Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Net (loss) income	$ (48,491)	$ 51,963	$ 34,460	$ 61,092
Weighted-average common shares outstanding	104,776	104,338	104,664	104,221
Effect of restricted and performance stock units and stock purchase plan shares	0	273	1,570	290
Weighted-average shares used in computing diluted net (loss) income per share	104,776	104,611	106,234	104,511
Net (loss) income per share, basic	$ (0.46)	$ 0.50	$ 0.33	$ 0.59
Net (loss) income per share, diluted	$ (0.46)	$ 0.50	$ 0.32	$ 0.58
Anti-dilutive shares	1,943	245	290	291

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16. Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Stockholders' equity, beginning balance			$ 5,098,697
Amounts reclassified from accumulated other comprehensive (loss) income	$ 1,741	$ (3)	(17,729)	$ (49)
Net other comprehensive (loss) income	(11,654)	187	(32,496)	(2,116)
Stockholders' equity, ending balance	5,110,828		5,110,828
Other (loss) income, net	(4,328)	(2,699)	13,606	23,162
Net sales	309,318	623,326	876,583	1,515,117
Total amount reclassified	(1,741)	3	17,729	49
Foreign Currency Translation Adjustment [Member]
Stockholders' equity, beginning balance			(65,346)
Other comprehensive (loss) income before reclassifications			(9,045)
Amounts reclassified from accumulated other comprehensive (loss) income			0
Net tax effect			0
Net other comprehensive (loss) income			(9,045)
Stockholders' equity, ending balance	(74,391)		(74,391)
Total amount reclassified			0
Unrealized Gain (Loss) on Marketable Securities and Restricted Investments [Member]
Stockholders' equity, beginning balance			68,388
Other comprehensive (loss) income before reclassifications			(9,096)
Amounts reclassified from accumulated other comprehensive (loss) income			(19,473)
Net tax effect			3,151
Net other comprehensive (loss) income			(25,418)
Stockholders' equity, ending balance	42,970		42,970
Total amount reclassified			19,473
Unrealized Gain (Loss) on Marketable Securities and Restricted Investments [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Other (loss) income, net	3	3	19,473	49
Unrealized Gain (Loss) on Derivative Instruments [Member]
Stockholders' equity, beginning balance			(783)
Other comprehensive (loss) income before reclassifications			1,201
Amounts reclassified from accumulated other comprehensive (loss) income			1,744
Net tax effect			(978)
Net other comprehensive (loss) income			1,967
Stockholders' equity, ending balance	1,184		1,184
Total amount reclassified			(1,744)
Unrealized Gain (Loss) on Derivative Instruments [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Foreign exchange forward contracts [Member]
Net sales	(1,744)	$ 0	(1,744)	$ 0
Total, Accumulated Other Comprehensive Income (Loss) [Member]
Stockholders' equity, beginning balance			2,259
Other comprehensive (loss) income before reclassifications			(16,940)
Amounts reclassified from accumulated other comprehensive (loss) income			(17,729)
Net tax effect			2,173
Net other comprehensive (loss) income			(32,496)
Stockholders' equity, ending balance	$ (30,237)		(30,237)
Total amount reclassified			$ 17,729

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17. Segment Reporting (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) segments	Jun. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segments			2
Net sales	$ 309,318	$ 623,326	$ 876,583	$ 1,515,117
Gross (loss) profit	(8,058)	110,893	164,740	195,077
Depreciation and amortization expense	22,831	22,295	37,358	50,692
Goodwill	14,462		14,462		$ 14,462
Modules Segment [Member]
Segment Reporting Information [Line Items]
Net sales	105,332	228,392	266,625	299,530
Gross (loss) profit	(26,551)	39,137	(16,273)	49,272
Depreciation and amortization expense	18,014	15,877	27,263	38,376
Goodwill	14,462		14,462		14,462
Systems Segment [Member]
Segment Reporting Information [Line Items]
Net sales	203,986	394,934	609,958	1,215,587
Gross (loss) profit	18,493	71,756	181,013	145,805
Depreciation and amortization expense	4,817	$ 6,418	10,095	$ 12,316
Goodwill	$ 0		$ 0		$ 0