CONDENSED CONSOLIDATING FINANCIAL STATEMENTS (Tables)

12 Months Ended

Dec. 31, 2018

Condensed Financial Information Disclosure [Abstract]

Schedule of Condensed Consolidating Balance Sheet

CALIFORNIA WATER SERVICE GROUP

CONDENSED CONSOLIDATING BALANCE SHEET

As of December 31, 2018

	Parent Company			Cal Water			All Other Subsidiaries			Consolidating Adjustments			Consolidated
	(In thousands)
	ASSETS
Utility plant:
Utility plant	$	1,318		$	3,021,437		$	213,888		$	(7,197	)	$	3,229,446
Less accumulated depreciation and amortization	(1,013		)	(938,072		)	(59,735		)	2,097			(996,723		)
Net utility plant	305			2,083,365			154,153			(5,100		)	2,232,723
Current assets:
Cash and cash equivalents	3,779			33,763			9,634			—			47,176
Receivables and unbilled revenue	126			118,632			4,201			—			122,959
Receivables from affiliates	21,318			4,074			61			(25,453		)	—
Other current assets	80			16,907			1,580			—			18,567
Total current assets	25,303			173,376			15,476			(25,453		)	188,702
Other assets:
Regulatory assets	—			349,414			4,155			—			353,569
Investments in affiliates	733,156			—			—			(733,156		)	—
Long-term affiliate notes receivable	27,829			—			—			(27,829		)	—
Other assets	133			58,959			3,821			(203		)	62,710
Total other assets	761,118			408,373			7,976			(761,188		)	416,279
TOTAL ASSETS	$	786,726		$	2,665,114		$	177,605		$	(791,741	)	$	2,837,704
	CAPITALIZATION AND LIABILITIES
Capitalization:
Common stockholders' equity	$	730,157		$	659,340		$	79,093		$	(738,433	)	$	730,157
Affiliate long-term debt	—			—			27,828			(27,828		)	—
Long-term debt, net	—			709,444			583			—			710,027
Total capitalization	730,157			1,368,784			107,504			(766,261		)	1,440,184
Current liabilities:
Current maturities of long-term debt, net	—			104,664			247			—			104,911
Short-term borrowings	55,100			10,000			—			—			65,100
Payables to affiliates	17			488			24,948			(25,453		)	—
Accounts payable	—			92,310			3,270			—			95,580
Accrued expenses and other liabilities	107			53,655			1,813			—			55,575
Total current liabilities	55,224			261,117			30,278			(25,453		)	321,166
Unamortized investment tax credits	—			1,649			—			—			1,649
Deferred income taxes	1,376			210,052			1,648			(43		)	213,033
Pension and postretirement benefits other than pensions	—			193,538			—			—			193,538
Regulatory and other long-term liabilities	(31		)	250,720			5,817			16			256,522
Advances for construction	—			185,843			499			—			186,342
Contributions in aid of construction	—			193,411			31,859			—			225,270
TOTAL CAPITALIZATION AND LIABILITIES	$	786,726		$	2,665,114		$	177,605		$	(791,741	)	$	2,837,704

CALIFORNIA WATER SERVICE GROUP

CONDENSED CONSOLIDATING BALANCE SHEET

As of December 31, 2017

	Parent Company			Cal Water			All Other Subsidiaries			Consolidating Adjustments			Consolidated
	(In thousands)
	ASSETS
Utility plant:
Utility plant	$	1,321		$	2,771,259		$	204,795		$	(7,196	)	$	2,970,179
Less accumulated depreciation and amortization	(919		)	(868,762		)	(54,543		)	2,010			(922,214		)
Net utility plant	402			1,902,497			150,252			(5,186		)	2,047,965
Current assets:
Cash and cash equivalents	4,728			80,940			9,108			—			94,776
Receivables and unbilled revenue	—			110,928			4,526			—			115,454
Receivables from affiliates	19,952			4,093			43			(24,088		)	—
Other current assets	80			16,569			994			—			17,643
Total current assets	24,760			212,530			14,671			(24,088		)	227,873
Other assets:
Regulatory assets	—			401,668			3,814			—			405,482
Investments in affiliates	698,690			—			—			(698,690		)	—
Long-term affiliate notes receivable	26,441			—			—			(26,441		)	—
Other assets	192			59,581			3,822			(205		)	63,390
Total other assets	725,323			461,249			7,636			(725,336		)	468,872
TOTAL ASSETS	$	750,485		$	2,576,276		$	172,559		$	(754,610	)	$	2,744,710
	CAPITALIZATION AND LIABILITIES
Capitalization:
Common stockholders' equity	$	693,462		$	632,059		$	77,647		$	(703,947	)	$	699,221
Affiliate long-term debt	—			—			26,441			(26,441		)	—
Long-term debt, net	—			514,952			841			—			515,793
Total capitalization	693,462			1,147,011			104,929			(730,388		)	1,215,014
Current liabilities:
Current maturities of long-term debt, net	—			15,598			322			—			15,920
Short-term borrowings	55,100			220,000			—			—			275,100
Payables to affiliates	—			580			23,508			(24,088		)	—
Accounts payable	—			90,561			3,394			—			93,955
Accrued expenses and other liabilities	271			104,002			1,711			—			105,984
Total current liabilities	55,371			430,741			28,935			(24,088		)	490,959
Unamortized investment tax credits	—			1,724			—			—			1,724
Deferred income taxes	1,652			190,675			2,424			(134		)	194,617
Pension and postretirement benefits other than pensions	—			252,141			—			—			252,141
Regulatory and other long-term liabilities	—			217,684			3,348			—			221,032
Advances for construction	—			181,979			523			—			182,502
Contributions in aid of construction	—			154,321			32,400			—			186,721
TOTAL CAPITALIZATION AND LIABILITIES	$	750,485		$	2,576,276		$	172,559		$	(754,610	)	$	2,744,710

Schedule of Condensed Consolidating Statement of Operations

CALIFORNIA WATER SERVICE GROUP

CONDENSED CONSOLIDATING STATEMENT OF INCOME

For the Year Ended December 31, 2018

	Parent Company			Cal Water			All Other Subsidiaries			Consolidating Adjustments			Consolidated
	(In thousands)
Operating revenue	$	—		$	656,939		$	41,257		$	—		$	698,196
Operating expenses:
Operations:
Purchased water	—			206,675			428			—			207,103
Purchased power	—			22,460			8,620			—			31,080
Pump taxes	—			14,664			—			—			14,664
Administrative and general	—			90,563			10,218			—			100,781
Other operations	—			73,521			6,930			(583		)	79,868
Maintenance	—			23,573			921			—			24,494
Depreciation and amortization	94			78,601			5,173			(87		)	83,781
Income tax (benefit) expense	(960		)	17,678			948			923			18,589
Property and other taxes	—			24,190			3,106			—			27,296
Total operating (income) expenses	(866		)	551,925			36,344			253			587,656
Net operating income	866			105,014			4,913			(253		)	110,540
Other income and expenses:
Non-regulated revenue	2,333			17,658			1,197			(2,916		)	18,272
Non-regulated expenses	—			(22,122		)	(665		)	—			(22,787		)
Other components of net periodic benefit cost	—			(8,886		)	(422		)	—			(9,308		)
Allowance for equity funds used during construction	—			3,954			—			—			3,954
Gain on non-utility properties	—			50			—			—			50
Income tax expense (benefit) on other income and expenses	(652		)	2,616			(63		)	816			2,717
Net other income (loss)	1,681			(6,730		)	47			(2,100		)	(7,102		)
Interest:
Interest expense	1,711			38,288			2,251			(2,333		)	39,917
Allowance for borrowed funds used during construction	—			(1,909		)	(154		)	—			(2,063		)
Net interest expense	1,711			36,379			2,097			(2,333		)	37,854
Equity earnings of subsidiaries	64,748			—			—			(64,748		)	—
Net income	$	65,584		$	61,905		$	2,863		$	(64,768	)	$	65,584

CALIFORNIA WATER SERVICE GROUP

CONDENSED CONSOLIDATING STATEMENT OF INCOME

For the Year Ended December 31, 2017

	Parent Company			Cal Water			All Other Subsidiaries			Consolidating Adjustments			Consolidated
	(In thousands)
Operating revenue	$	—		$	635,604		$	40,509		$	—		$	676,113
Operating expenses:
Operations:
Purchased water	—			198,682			399			—			199,081
Purchased power	—			21,021			7,841			—			28,862
Pump taxes	—			13,924			—			—			13,924
Administrative and general	—			83,163			10,163			—			93,326
Other operations	—			67,069			7,903			(524		)	74,448
Maintenance	—			21,595			935			—			22,530
Depreciation and amortization	94			72,327			4,453			(91		)	76,783
Income tax (benefit) expense	(498		)	33,313			1,405			1,059			35,279
Property and other taxes	(4		)	21,778			3,023			—			24,797
Total operating (income) expenses	(408		)	532,872			36,122			444			569,030
Net operating income	408			102,732			4,387			(444		)	107,083
Other Income and Expenses:
Non-regulated revenue	1,985			14,608			1,814			(2,509		)	15,898
Non-regulated expenses	—			(8,139		)	(1,251		)	—			(9,390		)
Other components of net periodic benefit cost	—			(9,032		)	(556		)	—			(9,588		)
Allowance for equity funds used during construction	—			3,750			—			—			3,750
Gain on sale of non-utility properties	—			663			—			—			663
Income tax expense on other income and expenses	(809		)	(1,714		)	(47		)	1,022			(1,548		)
Net other income (loss)	1,176			136			(40		)	(1,487		)	(215		)
Interest:
Interest expense	1,131			35,116			2,026			(1,985		)	36,288
Allowance for borrowed funds used during construction	—			(2,319		)	(41		)	—			(2,360		)
Net interest expense	1,131			32,797			1,985			(1,985		)	33,928
Equity earnings of subsidiaries	72,487			—			—			(72,487		)	—
Net income	$	72,940		$	70,071		$	2,362		$	(72,433	)	$	72,940

CALIFORNIA WATER SERVICE GROUP

CONDENSED CONSOLIDATING STATEMENT OF INCOME

For the Year Ended December 31, 2016

	Parent Company			Cal Water			All Other Subsidiaries			Consolidating Adjustments			Consolidated
	(In thousands)
Operating revenue	$	—		$	570,514		$	38,856		$	—		$	609,370
Operating expenses:
Operations:
Purchased water	—			181,018			497			—			181,515
Purchased power	—			19,791			7,389			—			27,180
Pump taxes	—			11,298			—			—			11,298
Administrative and general	—			77,247			10,354			—			87,601
Other operations	—			73,918			6,669			(505		)	80,082
Maintenance	—			22,053			940			—			22,993
Depreciation and amortization	220			59,138			4,337			(96		)	63,599
Income tax (benefit) expense	(398		)	27,125			1,498			1,010			29,235
Property and other taxes	—			20,331			2,900			—			23,231
Total operating (income) expenses	(178		)	491,919			34,584			409			526,734
Net operating income	178			78,595			4,272			(409		)	82,636
Other Income and Expenses:
Non-regulated revenue	1,850			15,114			2,006			(2,385		)	16,585
Non-regulated expenses	—			(10,122		)	(1,323		)	—			(11,445		)
Other components of net periodic benefit cost	—			(10,754		)	(119		)	—			(10,873		)
Gain on sale of non-utility properties	—			(146		)	—			—			(146		)
Income tax expense (benefit) on other income and expenses	(754		)	2,406			(205		)	972			2,419
Net other income (loss)	1,096			(3,502		)	359			(1,413		)	(3,460		)
Interest:
Interest expense	757			32,682			1,906			(1,879		)	33,466
Allowance for borrowed funds used during construction	—			(2,905		)	(60		)	—			(2,965		)
Net interest expense	757			29,777			1,846			(1,879		)	30,501
Equity earnings of subsidiaries	48,158			—			—			(48,158		)	—
Net income	$	48,675		$	45,316		$	2,785		$	(48,101	)	$	48,675

Schedule of Condensed Consolidating Statement of Cash Flows

CALIFORNIA WATER SERVICE GROUP

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

For the Year Ended December 31, 2018

	Parent Company			Cal Water			All Other Subsidiaries			Consolidating Adjustments			Consolidated
	(In thousands)
Operating activities:
Net income	$	65,584		$	61,905		$	2,863		$	(64,768	)	$	65,584
Adjustments to reconcile net income to net cash provided by operating activities:
Equity earnings of subsidiaries	(64,748		)	—			—			64,748			—
Dividends received from Affiliates	36,043			—			—			(36,043		)	—
Depreciation and amortization	94			80,442			5,258			(87		)	85,707
Change in value of life insurance contract	—			2,334			—			—			2,334
Stock-based compensation	3,141			—			—			—			3,141
Gain on sale of non-utility properties	—			(50		)	—			—			(50		)
Changes in normalized deferred income taxes	—			20,909			—			—			20,909
Allowance for equity funds used during construction	—			(3,954		)	—			—			(3,954		)
Changes in operating assets and liabilities	(290		)	16,943			(170		)	—			16,483
Other changes in noncurrent assets and liabilities	(348		)	(12,284		)	1,390			107			(11,135		)
Net cash provided by operating activities	39,476			166,245			9,341			(36,043		)	179,019
Investing activities:
Utility plant expenditures	—			(261,456		)	(10,251		)	—			(271,707		)
Proceeds from sale of non-utility assets	—			59			—			—			59
Change in affiliate advances	(689		)	19			53			617			—
Issuance of affiliate short-term borrowings	(23,700		)	—			—			23,700			—
Collection of affiliate short-term debt	20,000			—			—			(20,000		)	—
Collection of affiliate long-term debt	1,635			—			—			(1,635		)	—
Life insurance benefits	—			3,491			—			—			3,491
Purchase of life insurance	—			(4,925		)	—			—			(4,925		)
Net cash used in investing activities	(2,754		)	(262,812		)	(10,198		)	2,682			(273,082		)
Financing Activities:
Short-term borrowings	20,000			131,000			—			—			151,000
Repayment of short-term borrowings	(20,000		)	(341,000		)	—			—			(361,000		)
Change in affiliate advances	17			(93		)	693			(617		)	—
Proceeds from affiliate short-term borrowings	20,000			—			3,700			(23,700		)	—
Repayment of affiliates short-term debt	(20,000		)	—			—			20,000			—
Repayment of affiliates long-term debt	—			—			(1,635		)	1,635			—
Issuance of long-term debt, net of expenses	—			299,383			—			—			299,383
Retirement of long-term debt	—			(16,200		)	(332		)	—			(16,532		)
Advances and contribution in aid of construction	—			18,218			394			—			18,612
Refunds of advances for construction	—			(7,279		)	(18		)	—			(7,297		)
Repurchase of common stock	(1,645		)	—			—			—			(1,645		)
Dividends paid to non-affiliates	(36,043		)	—			—			—			(36,043		)
Dividends paid to affiliates	—			(34,624		)	(1,419		)	36,043			—
Net cash (used in) provided by financing activities	(37,671		)	49,405			1,383			33,361			46,478
Change in cash, cash equivalents, and restricted cash	(949		)	(47,162		)	526			—			(47,585		)
Cash, cash equivalents, and restricted cash at beginning of period	4,728			81,401			9,171			—			95,300
Cash, cash equivalents, and restricted cash at end of year	$	3,779		$	34,239		$	9,697		$	—		$	47,715

CALIFORNIA WATER SERVICE GROUP

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

For the Year Ended December 31, 2017

	Parent Company			Cal Water			All Other Subsidiaries			Consolidating Adjustments			Consolidated
	(In thousands)
Operating activities:
Net income	$	72,940		$	70,071		$	2,362		$	(72,433	)	$	72,940
Adjustments to reconcile net income to net cash provided by operating activities:
Equity earnings of subsidiaries	(72,487		)	—			—			72,487			—
Dividends received from Affiliates	34,563			—			—			(34,563		)	—
Depreciation and amortization	94			74,041			4,548			(91		)	78,592
Change in value of life insurance contract	—			(3,058		)	—			—			(3,058		)
Stock-based compensation	3,118			—			—			—			3,118
Gain on sale of non-utility properties	—			(663		)	—			—			(663		)
Changes in normalized deferred income taxes	—			21,087			—			—			21,087
Allowance for equity funds used during construction	—			(3,750		)	—			—			(3,750		)
Changes in operating assets and liabilities	184			(36,611		)	38			—			(36,389		)
Other changes in noncurrent assets and liabilities	254			13,101			2,573			37			15,965
Net cash provided by operating activities	38,666			134,218			9,521			(34,563		)	147,842
Investing activities:
Utility plant expenditures	(4		)	(252,055		)	(7,135		)	—			(259,194		)
TCP settlement proceeds	—			56,004			—			—			56,004
Proceeds from sale of non-utility assets	—			666			—			—			666
Change in affiliate advances	172			(485		)	(50		)	363			—
Issuance of affiliate short-term borrowings	(2,610		)	—			—			2,610			—
Collection of affiliate long-term debt	1,356			—			—			(1,356		)	—
Life insurance benefits	—			1,558			—			—			1,558
Purchase of life insurance	—			(5,605		)	—			—			(5,605		)
Net cash used in investing activities	(1,086		)	(199,917		)	(7,185		)	1,617			(206,571		)
Financing Activities:
Short-term borrowings	—			265,000			—			—			265,000
Repayment of short-term borrowings	(2,000		)	(85,000		)	—			—			(87,000		)
Change in affiliate advances	—			41			322			(363		)	—
Proceeds from affiliate short-term borrowings	—			—			2,610			(2,610		)	—
Repayment of affiliates long-term debt	—			—			(1,356		)	1,356			—
Retirement of long-term debt	—			(26,223		)	(606		)	—			(26,829		)
Advances and contribution in aid of construction	—			21,075			294			—			21,369
Refunds of advances for construction	—			(8,373		)	(5		)	—			(8,378		)
Repurchase of common stock	(1,505		)	—			—			—			(1,505		)
Dividends paid to non-affiliates	(34,563		)	—			—			—			(34,563		)
Dividends paid to affiliates	—			(33,015		)	(1,548		)	34,563			—
Net cash (used in) provided by financing activities	(38,068		)	133,505			(289		)	32,946			128,094
Change in cash, cash equivalents, and restricted cash	(488		)	67,806			2,047			—			69,365
Cash, cash equivalents, and restricted cash at beginning of period	5,216			13,595			7,124			—			25,935
Cash, cash equivalents, and restricted cash at end of year	$	4,728		$	81,401		$	9,171		$	—		$	95,300

California Water Service Group

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

For the Year Ended December 31, 2016

	Parent Company			Cal Water			All Other Subsidiaries			Consolidating Adjustments			Consolidated
	(In thousands)
Operating activities:
Net income	$	48,675		$	45,316		$	2,785		$	(48,101	)	$	48,675
Adjustments to reconcile net income to net cash provided by operating activities:
Equity earnings of subsidiaries	(48,158		)	—			—			48,158			—
Dividends received from affiliates	33,081			—			—			(33,081		)	—
Depreciation and amortization	220			60,572			4,507			(96		)	65,203
Amortization of debt premium	—			871			—			—			871
Changes in normalized deferred income taxes	—			26,818			—			—			26,818
Change in value of life insurance contracts	—			(1,026		)	—			—			(1,026		)
Stock-based compensation	2,849			—			—			—			2,849
Loss on sale of non-utility properties	—			146			—			—			146
Write-off of capital costs	—			3,221			—			—			3,221
Changes in operating assets and liabilities	(14		)	6,534			261			—			6,781
Other changes in noncurrent assets and liabilities	355			4,645			1,867			39			6,906
Net cash provided by operating activities	37,008			147,097			9,420			(33,081		)	160,444
Investing activities:
Utility plant expenditures	—			(224,378		)	(4,560		)	—			(228,938		)
Proceeds from sale of non-utility assets	—			395			—			—			395
Change in affiliate advances	291			1,111			(67		)	(1,335		)	—
Collection of affiliate short-term borrowings	365			42,100			—			(42,465		)	—
Issuance of affiliate short-term borrowings	(2,365		)	(20,600		)	—			22,965			—
Collection of affiliate long-term debt	1,175			—			—			(1,175		)	—
Life insurance benefits	—			495			—			—			495
Purchase of life insurance	—			(2,857		)	—			—			(2,857		)
Net cash used in investing activities	(534		)	(203,734		)	(4,627		)	(22,010		)	(230,905		)
Financing Activities:
Short-term borrowings	44,100			101,000			—			—			145,100
Repayment of short-term borrowings	(20,615		)	(61,000		)	—			—			(81,615		)
Change in affiliate advances	—			(128		)	(1,207		)	1,335			—
Proceeds from affiliate short-term borrowings	20,600			—			2,365			(22,965		)	—
Repayment of affiliate short-term borrowings	(42,100		)	—			(365		)	42,465			—
Repayment of affiliates long-term debt	—			—			(1,175		)	1,175			—
Issuance of long term debt, net of expenses	—			49,823			—			—			49,823
Advances and contribution in aid of construction	—			21,329			119			—			21,448
Refunds of advances for construction	—			(6,855		)	(30		)	—			(6,885		)
Retirement of long-term debt	—			(6,548		)	(448		)	—			(6,996		)
Dividends paid to non-affiliates	(33,081		)	—			—			—			(33,081		)
Repurchase of common stock	(744		)	—			—			—			(744		)
Dividends paid to affiliates	—			(32,105		)	(976		)	33,081			—
Net cash (used in) provided by financing activities	(31,840		)	65,516			(1,717		)	55,091			87,050
Change in cash, cash equivalents, and restricted cash	4,634			8,879			3,076			—			16,589
Cash, cash equivalents, and restricted cash at beginning of period	582			4,716			4,048			—			9,346
Cash, cash equivalents, and restricted cash at end of year	$	5,216		$	13,595		$	7,124		$	—		$	25,935