CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 456,190	$ 423,696	$ 439,966
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization including nuclear fuel	571,664	496,487	492,322
Deferred fuel and purchased power	14,997	(26,927)	21,678
Deferred fuel and purchased power amortization	1,617	40,757	31,190
Allowance for equity funds used during construction	(35,215)	(30,790)	(25,581)
Deferred income taxes	236,819	159,023	249,296
Deferred investment tax credit	8,473	26,246	52,542
Change in derivative instruments fair value	(381)	339	534
Change in derivative instruments fair value
Customer and other receivables	(22,219)	(52,672)	(44,991)
Accrued unbilled revenues	4,293	(3,737)	(1,951)
Materials, supplies and fossil fuel	(23,945)	3,724	(11,878)
Income tax receivable	2,509	132,419	(133,094)
Other current assets	3,145	4,384	(17,913)
Accounts payable	(34,266)	(353)	45,414
Accrued taxes	(2,013)	9,615	6,059
Other current liabilities	603	17,892	(7,513)
Change in margin and collateral accounts — assets	(324)	(343)	993
Change in margin and collateral accounts — liabilities	22,776	(24,975)	12,355
Change in long-term income tax receivable	0	0	137,270
Change in unrecognized tax benefits	(10,328)	2,778	(91,425)
Change in long-term regulatory liabilities	(20,535)	59,618	64,473
Change in other long-term assets	2,426	(56,561)	(42,389)
Change in other long-term liabilities	(81,959)	(80,993)	(24,050)
Net cash flow provided by operating activities	1,094,327	1,099,627	1,153,307
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(1,076,087)	(910,634)	(1,016,322)
Contributions in aid of construction	46,546	20,325	41,090
Allowance for borrowed funds used during construction	(16,259)	(15,457)	(14,861)
Proceeds from nuclear decommissioning trust sales	478,813	356,195	446,025
Investment in nuclear decommissioning trust	(496,062)	(373,444)	(463,274)
Other	(3,184)	347	(2,059)
Net cash flow used for investing activities	(1,066,233)	(922,668)	(1,009,401)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuance of long-term debt	842,415	731,126	136,307
Repayment of long-term debt	(415,570)	(652,578)	(122,828)
Short-term borrowings and payments — net	(147,400)	(5,725)	60,950
Dividends paid on common stock	(260,027)	(246,671)	(235,244)
Common stock equity issuance - net of purchases	19,373	15,288	17,319
Distributions to noncontrolling interests	(35,002)	(20,482)	(17,385)
Other	1	161	299
Net cash flow provided by (used for) financing activities	3,790	(178,881)	(160,582)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	31,884	(1,922)	(16,676)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	7,604	9,526	26,202
CASH AND CASH EQUIVALENTS AT END OF YEAR	39,488	7,604	9,526
Supplemental disclosure of cash flow information:
Income taxes, net of refunds	6,550	(102,154)	18,537
Interest, net of amounts capitalized	170,209	177,074	184,010
Significant non-cash investing and financing activities:
Accrued capital expenditures	83,798	44,712	33,184
Dividends declared but not paid	69,363	65,790	62,528
Liabilities assumed related to acquisition of SCE’s Four Corners’ interest	0	0	145,609
ARIZONA PUBLIC SERVICE COMPANY
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	469,207	447,320	458,861
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization including nuclear fuel	571,540	496,393	492,226
Deferred fuel and purchased power	14,997	(26,927)	21,678
Deferred fuel and purchased power amortization	1,617	40,757	31,190
Allowance for equity funds used during construction	(35,215)	(30,790)	(25,581)
Deferred income taxes	223,069	155,401	278,101
Deferred investment tax credit	8,473	26,246	52,542
Change in derivative instruments fair value	(381)	339	534
Change in derivative instruments fair value
Customer and other receivables	(21,040)	(52,466)	(46,552)
Accrued unbilled revenues	4,293	(3,737)	(1,951)
Materials, supplies and fossil fuel	(23,945)	3,724	(11,878)
Income tax receivable	0	135,179	(134,590)
Other current assets	4,498	3,766	(17,112)
Accounts payable	(34,891)	(2,355)	47,870
Accrued taxes	13,378	8,650	5,760
Other current liabilities	(3,718)	33,970	(9,005)
Change in margin and collateral accounts — assets	(324)	(343)	993
Change in margin and collateral accounts — liabilities	22,776	(24,975)	12,355
Change in long-term income tax receivable	0	0	137,665
Change in unrecognized tax benefits	(10,328)	2,778	(91,244)
Change in long-term regulatory liabilities	(20,535)	59,618	64,473
Change in other long-term assets	(813)	(62,739)	(46,675)
Change in other long-term liabilities	(82,628)	(85,642)	(24,969)
Net cash flow provided by operating activities	1,100,030	1,124,167	1,194,691
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(1,072,053)	(910,084)	(1,016,322)
Contributions in aid of construction	46,546	20,325	41,090
Allowance for borrowed funds used during construction	(16,183)	(15,457)	(14,861)
Proceeds from nuclear decommissioning trust sales	478,813	356,195	446,025
Investment in nuclear decommissioning trust	(496,062)	(373,444)	(463,274)
Other	(1,093)	347	(2,067)
Net cash flow used for investing activities	(1,060,032)	(922,118)	(1,009,409)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuance of long-term debt	842,415	606,126	136,307
Repayment of long-term debt	(415,570)	(527,578)	(122,828)
Short-term borrowings and payments — net	(147,400)	(5,725)	60,950
Dividends paid on common stock	(266,900)	(253,600)	(242,100)
Distributions to noncontrolling interests	(35,002)	(20,482)	(17,385)
Net cash flow provided by (used for) financing activities	(22,457)	(201,259)	(185,056)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	17,541	790	226
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	4,515	3,725	3,499
CASH AND CASH EQUIVALENTS AT END OF YEAR	22,056	4,515	3,725
Supplemental disclosure of cash flow information:
Income taxes, net of refunds	14,831	(86,054)	7,524
Interest, net of amounts capitalized	167,670	173,436	180,757
Significant non-cash investing and financing activities:
Accrued capital expenditures	83,798	44,712	33,184
Dividends declared but not paid	69,400	65,800	62,500
Liabilities assumed related to acquisition of SCE’s Four Corners’ interest	$ 0	$ 0	$ 145,609