CONSOLIDATED STATEMENTS OF FINANCIAL POSITION - USD ($) $ in Thousands		Dec. 31, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents		$ 13,859	$ 27,741
Accounts receivable		104,262	100,998
Inventory		25,777	30,892
Regulatory assets		14,736	5,393
Prepaid and other current assets		10,608	7,281
Total current assets		169,242	172,305
Property, plant and equipment (net of accumulated depreciation and amortization of $1,487,713 and $1,388,217, respectively)		6,109,639	5,496,875
Other assets
Goodwill		950,163	950,163
Intangible assets (net of accumulated amortization of $28,242 and $24,917, respectively)		45,602	48,794
Regulatory assets		233,376	223,712
Deferred financing fees (net of accumulated amortization of $17,515 and $15,972, respectively)		29,298	30,311
Other		44,802	37,418
Total other assets		1,303,241	1,290,398
TOTAL ASSETS	[1]	7,582,122	6,959,578	[2]
Current liabilities
Accounts payable		124,331	107,969
Accrued payroll		24,123	23,502
Accrued interest		52,577	50,538
Accrued taxes		44,256	41,614
Regulatory liabilities		44,964	39,972
Refundable deposits from generators for transmission network upgrades		2,534	10,376
Debt maturing within one year		395,334	175,000
Other		31,034	14,043
Total current liabilities		719,153	463,014
Accrued pension and postretirement liabilities		61,609	69,562
Deferred income taxes		735,426	642,051
Regulatory liabilities		254,788	160,070
Refundable deposits from generators for transmission network upgrades		18,077	9,384
Other		23,075	17,354
Long-term debt		$ 4,060,923	$ 3,928,586
Commitments and contingent liabilities (Notes 4 and 16)
STOCKHOLDERS’ EQUITY
Common stock, without par value, 300,000,000 shares authorized, 152,699,077 and 155,140,967 shares issued and outstanding at December 31, 2015 and 2014, respectively		$ 829,211	$ 923,191
Retained earnings		875,595	741,550
Accumulated other comprehensive income		4,265	4,816
Total stockholders’ equity		1,709,071	1,669,557
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY		$ 7,582,122	$ 6,959,578

[1] Reconciliation of total assets results primarily from differences in the netting of deferred tax assets and liabilities at our Regulated Operating Subsidiaries as compared to the classification in our consolidated statements of financial position.

[2] Amounts reflect the change in the authoritative guidance on the presentation of deferred income taxes on the balance sheet. Refer to Notes 3 and 10 for more information.