CONDENSED CONSOLIDATED BALANCE SHEETS (APSC) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
PROPERTY, PLANT AND EQUIPMENT
Plant in service and held for future use	$ 13,351,239	$ 13,201,960
Accumulated depreciation and amortization	(4,675,228)	(4,514,204)
Net	8,676,011	8,687,756
Construction work in progress	524,870	459,361
Palo Verde sale leaseback, net of accumulated depreciation (Note 7)	134,799	137,956
Intangible assets, net of accumulated amortization	177,845	184,952
Nuclear fuel, net of accumulated amortization	142,697	108,794
Total property, plant and equipment	9,656,222	9,578,819
INVESTMENTS AND OTHER ASSETS
Nuclear decommissioning trust (Note 14)	497,671	469,886
Assets from risk management activities (Note 8)	43,173	39,032
Other assets	63,726	116,216
Total investments and other assets	604,570	625,134
CURRENT ASSETS
Cash and cash equivalents	92,274	110,188
Customer and other receivables	294,532	324,207
Accrued unbilled revenues	163,682	103,292
Allowance for doubtful accounts	(3,791)	(7,981)
Materials and supplies (at average cost)	194,352	181,414
Fossil fuel (at average cost)	26,863	21,575
Assets from risk management activities (Note 8)	38,897	73,788
Regulatory assets (Note 3)	56,158	62,286
Deferred income taxes	113,243	124,897
Other current assets	30,103	25,501
Total current assets	1,036,853	1,024,511
DEFERRED DEBITS
Regulatory assets (Note 3)	983,394	986,370
Income tax receivable (Note 6)	67,970	65,103
Other	125,071	113,061
Total deferred debits	1,176,435	1,164,534
TOTAL ASSETS	12,474,080	12,392,998
CAPITALIZATION
Common stock	2,432,488	2,419,133
Retained earnings	1,323,892	1,423,961
Accumulated other comprehensive loss:
Pension and other postretirement benefits	(57,332)	(59,420)
Derivative instruments	(85,343)	(100,347)
Total shareholder equity	3,613,705	3,683,327
Noncontrolling interests (Note 7)	101,905	91,899
Total equity	3,715,610	3,775,226
Long-term debt less current maturities	2,678,565	2,948,991
Palo Verde sale leaseback lessor notes less current maturities (Note 7)	83,130	96,803
CURRENT LIABILITIES
Current maturities of long-term debt	903,516	631,879
Accounts payable	271,759	236,354
Accrued taxes (Note 6)	131,727	104,711
Accrued interest	55,123	54,831
Common dividends payable	57,272
Customer deposits	70,196	68,322
Liabilities from risk management activities (Note 8)	58,684	58,976
Deferred fuel and purchased power regulatory liability (Note 3)	54,359	58,442
Other regulatory liabilities (Note 3)	88,557	80,526
Other current liabilities	132,801	139,063
Total current liabilities	1,831,294	1,449,704
DEFERRED CREDITS AND OTHER
Deferred income taxes	1,825,077	1,863,861
Regulatory liabilities (Note 3)	695,036	614,063
Liability for asset retirements (Note 15)	255,326	328,571
Liabilities for pension and other postretirement benefits (Note 4)	869,277	813,121
Liabilities from risk management activities (Note 8)	57,073	65,390
Customer advances	120,621	121,645
Coal mine reclamation	117,651	117,243
Unrecognized tax benefits (Note 6)	83,229	66,349
Other	142,191	132,031
Total deferred credits and other	4,165,481	4,122,274
COMMITMENTS AND CONTINGENCIES (SEE NOTES)
TOTAL LIABILITIES AND EQUITY	12,474,080	12,392,998
ARIZONA PUBLIC SERVICE COMPANY
PROPERTY, PLANT AND EQUIPMENT
Plant in service and held for future use	13,347,328	13,197,254
Accumulated depreciation and amortization	(4,671,739)	(4,510,591)
Net	8,675,589	8,686,663
Construction work in progress	524,870	459,316
Palo Verde sale leaseback, net of accumulated depreciation (Note 7)	134,799	137,956
Intangible assets, net of accumulated amortization	177,690	184,768
Nuclear fuel, net of accumulated amortization	142,697	108,794
Total property, plant and equipment	9,655,645	9,577,497
INVESTMENTS AND OTHER ASSETS
Nuclear decommissioning trust (Note 14)	497,671	469,886
Assets from risk management activities (Note 8)	43,173	39,032
Other assets	29,597	71,428
Total investments and other assets	570,441	580,346
CURRENT ASSETS
Cash and cash equivalents	85,818	99,937
Customer and other receivables	291,240	288,323
Accrued unbilled revenues	163,682	103,292
Allowance for doubtful accounts	(3,580)	(7,646)
Materials and supplies (at average cost)	194,352	181,414
Fossil fuel (at average cost)	26,863	21,575
Assets from risk management activities (Note 8)	38,897	73,788
Regulatory assets (Note 3)	56,158	62,286
Deferred income taxes	93,388	105,042
Other current assets	29,821	25,135
Total current assets	976,639	953,146
DEFERRED DEBITS
Regulatory assets (Note 3)	983,394	986,370
Income tax receivable (Note 6)	68,365	65,498
Unamortized debt issue costs	19,304	20,530
Other	100,797	88,490
Total deferred debits	1,171,860	1,160,888
TOTAL ASSETS	12,374,585	12,271,877
CAPITALIZATION
Common stock	178,162	178,162
Additional paid-in capital	2,379,696	2,379,696
Retained earnings	1,307,416	1,403,390
Accumulated other comprehensive loss:
Pension and other postretirement benefits	(33,874)	(35,961)
Derivative instruments	(85,333)	(100,334)
Total shareholder equity	3,746,067	3,824,953
Noncontrolling interests (Note 7)	101,128	91,084
Total equity	3,847,195	3,916,037
Long-term debt less current maturities	2,503,565	2,948,991
Palo Verde sale leaseback lessor notes less current maturities (Note 7)	83,130	96,803
Total capitalization	6,433,890	6,961,831
CURRENT LIABILITIES
Current maturities of long-term debt	903,516	456,879
Accounts payable	266,018	218,491
Accrued taxes (Note 6)	142,252	106,431
Accrued interest	54,979	54,638
Common dividends payable	57,300
Customer deposits	70,182	68,312
Liabilities from risk management activities (Note 8)	58,684	58,976
Deferred fuel and purchased power regulatory liability (Note 3)	54,359	58,442
Other regulatory liabilities (Note 3)	88,557	80,526
Other current liabilities	118,366	132,170
Total current liabilities	1,814,213	1,234,865
DEFERRED CREDITS AND OTHER
Deferred income taxes	1,856,415	1,895,654
Regulatory liabilities (Note 3)	695,036	614,063
Liability for asset retirements (Note 15)	255,326	328,571
Liabilities for pension and other postretirement benefits (Note 4)	827,314	770,611
Liabilities from risk management activities (Note 8)	57,073	65,390
Customer advances	120,621	121,645
Coal mine reclamation	117,651	117,243
Unrecognized tax benefits (Note 6)	82,246	65,363
Other	114,800	96,641
Total deferred credits and other	4,126,482	4,075,181
COMMITMENTS AND CONTINGENCIES (SEE NOTES)
TOTAL LIABILITIES AND EQUITY	$ 12,374,585	$ 12,271,877