ARIZONA PUBLIC SERVICE COMPANY - CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
PROPERTY, PLANT AND EQUIPMENT
Plant in service and held for future use	$ 23,667,333	$ 22,452,146
Accumulated depreciation and amortization	(8,198,608)	(7,929,878)
Net	15,468,725	14,522,268
Construction work in progress	1,495,494	1,882,791
Palo Verde sale leaseback, net of accumulated depreciation (Note 6)	88,361	90,296
Intangible assets, net of accumulated amortization	255,574	258,880
Nuclear fuel, net of accumulated amortization	100,019	100,119
Total property, plant and equipment	17,408,173	16,854,354
INVESTMENTS AND OTHER ASSETS
Nuclear decommissioning trusts (Notes 11 and 12)	1,162,397	1,073,410
Other special use funds (Notes 11 and 12)	351,998	347,231
Assets from risk management activities (Note 7)	13,033	44,394
Other assets	127,318	125,672
Total investments and other assets	1,654,746	1,590,707
CURRENT ASSETS
Cash and cash equivalents	7,658	4,832
Customer and other receivables	474,548	453,209
Accrued unbilled revenues	216,740	164,764
Allowance for doubtful accounts (Note 2)	(19,806)	(23,778)
Materials and supplies (at average cost)	442,735	410,481
Fossil fuel (at average cost)	50,057	40,155
Income tax receivable	4,240	14,086
Assets from risk management activities (Note 7)	12,105	87,835
Deferred fuel and purchased power regulatory asset (Note 4)	433,279	460,561
Other regulatory assets (Note 4)	128,600	78,318
Other current assets	101,581	60,091
Total current assets	1,851,737	1,750,554
DEFERRED DEBITS
Regulatory assets (Note 4)	1,280,344	1,283,221
Operating lease right-of-use assets (Note 14)	1,337,355	801,688
Assets for pension and other postretirement benefits (Note 5)	396,615	396,599
Other	50,372	46,282
Total deferred debits	3,064,686	2,527,790
TOTAL ASSETS	23,979,342	22,723,405
EQUITY
Retained earnings	3,267,731	3,360,347
Accumulated other comprehensive loss (Note 13)	(31,591)	(31,435)
Total shareholders’ equity	5,966,924	6,048,647
Noncontrolling interests (Note 6)	109,213	111,229
Total equity	6,076,137	6,159,876
Long-term debt less current maturities (Note 3)	8,164,315	7,741,286
CURRENT LIABILITIES
Short-term borrowings (Note 3)	305,350	340,720
Accounts payable	436,808	430,425
Accrued taxes	163,797	164,440
Accrued interest	58,559	61,217
Common dividends payable	98,014	97,895
Customer deposits	41,585	41,769
Liabilities from risk management activities (Note 7)	73,833	37,697
Liabilities for asset retirements (Note 15)	15,617	12,232
Operating lease liabilities (Note 14)	90,658	105,210
Less: current regulatory liabilities	219,075	271,575
Other current liabilities	110,378	148,276
Total current liabilities	1,932,581	1,762,141
DEFERRED CREDITS AND OTHER
Deferred income taxes	2,357,517	2,384,421
Total non-current regulatory liabilities	2,032,525	2,061,776
Liabilities for asset retirements (Note 15)	823,502	785,530
Liabilities for pension benefits (Note 5)	112,537	116,286
Customer advances	536,579	422,103
Coal mine reclamation	181,636	179,255
Deferred investment tax credit	223,278	180,677
Unrecognized tax benefits	39,073	38,658
Operating lease liabilities (Note 14)	1,221,538	639,247
Other	278,124	252,149
Total deferred credits and other	7,806,309	7,060,102
COMMITMENTS AND CONTINGENCIES (Note 8)
TOTAL LIABILITIES AND EQUITY	23,979,342	22,723,405
APS
PROPERTY, PLANT AND EQUIPMENT
Plant in service and held for future use	23,663,871	22,448,685
Accumulated depreciation and amortization	(8,195,297)	(7,926,575)
Net	15,468,574	14,522,110
Construction work in progress	1,423,405	1,829,004
Palo Verde sale leaseback, net of accumulated depreciation (Note 6)	88,361	90,296
Intangible assets, net of accumulated amortization	255,419	258,725
Nuclear fuel, net of accumulated amortization	100,019	100,119
Total property, plant and equipment	17,335,778	16,800,254
INVESTMENTS AND OTHER ASSETS
Nuclear decommissioning trusts (Notes 11 and 12)	1,162,397	1,073,410
Other special use funds (Notes 11 and 12)	351,998	347,231
Assets from risk management activities (Note 7)	13,033	44,394
Other assets	44,049	43,344
Total investments and other assets	1,571,477	1,508,379
CURRENT ASSETS
Cash and cash equivalents	3,802	4,042
Customer and other receivables	470,423	448,880
Accrued unbilled revenues	216,740	164,764
Allowance for doubtful accounts (Note 2)	(19,806)	(23,778)
Materials and supplies (at average cost)	442,735	410,481
Fossil fuel (at average cost)	50,057	40,155
Income tax receivable	1,102	1,102
Assets from risk management activities (Note 7)	11,696	87,704
Deferred fuel and purchased power regulatory asset (Note 4)	433,279	460,561
Other regulatory assets (Note 4)	128,600	78,318
Other current assets	95,559	50,043
Total current assets	1,834,187	1,722,272
DEFERRED DEBITS
Regulatory assets (Note 4)	1,280,344	1,283,221
Operating lease right-of-use assets (Note 14)	1,332,368	796,544
Assets for pension and other postretirement benefits (Note 5)	389,158	389,142
Other	49,898	44,040
Total deferred debits	3,051,768	2,512,947
TOTAL ASSETS	23,793,210	22,543,852
EQUITY
Common stock	178,162	178,162
Additional paid-in capital	3,321,696	3,171,696
Retained earnings	3,541,062	3,607,464
Accumulated other comprehensive loss (Note 13)	(15,547)	(15,596)
Total shareholders’ equity	7,025,373	6,941,726
Noncontrolling interests (Note 6)	109,213	111,229
Total equity	7,134,586	7,052,955
Long-term debt less current maturities (Note 3)	7,041,004	6,793,529
Total capitalization	14,175,590	13,846,484
CURRENT LIABILITIES
Short-term borrowings (Note 3)	285,000	325,000
Current maturities of long-term debt (Note 3)	250,000	0
Accounts payable	428,827	417,732
Accrued taxes	168,044	156,746
Accrued interest	58,170	60,518
Common dividends payable	98,000	97,900
Customer deposits	41,585	41,769
Liabilities from risk management activities (Note 7)	73,833	37,697
Liabilities for asset retirements (Note 15)	15,617	12,232
Operating lease liabilities (Note 14)	90,065	104,728
Less: current regulatory liabilities	219,075	271,575
Other current liabilities	106,806	144,733
Total current liabilities	1,835,022	1,670,630
DEFERRED CREDITS AND OTHER
Deferred income taxes	2,367,204	2,385,647
Total non-current regulatory liabilities	2,032,525	2,061,776
Liabilities for asset retirements (Note 15)	823,502	785,530
Liabilities for pension benefits (Note 5)	105,529	108,068
Customer advances	536,579	422,103
Coal mine reclamation	181,636	179,255
Deferred investment tax credit	223,278	180,677
Unrecognized tax benefits	39,073	38,658
Operating lease liabilities (Note 14)	1,216,655	634,199
Other	256,617	230,825
Total deferred credits and other	7,782,598	7,026,738
COMMITMENTS AND CONTINGENCIES (Note 8)
TOTAL LIABILITIES AND EQUITY	$ 23,793,210	$ 22,543,852