ARIZONA PUBLIC SERVICE COMPANY - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total		Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests		APS		APS Common Stock	APS Additional Paid-In Capital	APS Retained Earnings	APS Accumulated Other Comprehensive Income (Loss)	APS Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2023			113,537,689							71,264,947
Beginning balance at Dec. 31, 2023	$ 6,284,862		$ 2,752,676	$ 3,466,317	$ (33,144)	$ 107,198		$ 7,349,136		$ 178,162	$ 3,321,696	$ 3,759,299	$ (17,219)	$ 107,198
Increase (Decrease) in Shareholders' Equity
Equity infusion from Pinnacle West								450,000			450,000
Net income	628,551			615,633		12,918		647,560				634,642		12,918
Other comprehensive income	330				330			633					633
Dividends on common stock	(199,868)			(199,868)				(199,900)				(199,900)
Capital activities by noncontrolling interests	(10,628)					(10,628)		(10,628)						(10,628)
Other	1			(1)		1		(1)				(2)		1
Ending balance (in shares) at Sep. 30, 2024			113,735,926							71,264,947
Ending balance at Sep. 30, 2024	6,726,070		$ 2,774,505	3,882,081	(32,814)	109,489		8,236,800		$ 178,162	3,771,696	4,194,039	(16,586)	109,489
Beginning balance (in shares) at Jun. 30, 2024			113,711,763							71,264,947
Beginning balance at Jun. 30, 2024	6,316,322		$ 2,764,511	3,487,113	(33,294)	105,183		7,824,320		$ 178,162	3,771,696	3,786,315	(17,036)	105,183
Increase (Decrease) in Shareholders' Equity
Net income	399,272			394,966		4,306		412,030				407,724		4,306
Other comprehensive income	480				480			450					450
Other	2			2
Ending balance (in shares) at Sep. 30, 2024			113,735,926							71,264,947
Ending balance at Sep. 30, 2024	$ 6,726,070		$ 2,774,505	3,882,081	(32,814)	109,489		8,236,800		$ 178,162	3,771,696	4,194,039	(16,586)	109,489
Beginning balance (in shares) at Dec. 31, 2024	119,143,782		119,143,782							71,264,947
Beginning balance at Dec. 31, 2024	$ 6,857,478		$ 3,121,617	3,666,959	(30,942)	103,167		8,376,332		$ 178,162	4,116,696	3,992,423	(14,116)	103,167
Increase (Decrease) in Shareholders' Equity
Equity infusion from Pinnacle West								300,000			300,000
Net income	614,046			601,128		12,918		644,719				631,801		12,918
Other comprehensive income	851				851			657					657
Dividends on common stock	(213,731)			(213,731)				(213,600)				(213,600)
Capital activities by noncontrolling interests	(13,370)					(13,370)		(13,370)						(13,370)
Deconsolidation of noncontrolling interests	(59,633)	[1]				(59,633)	[1]	(59,633)	[2]
Other	$ 0			(1)		1		1						1
Ending balance (in shares) at Sep. 30, 2025	119,736,525		119,736,525							71,264,947
Ending balance at Sep. 30, 2025	$ 7,211,093		$ 3,147,069	4,054,355	(30,091)	43,083		9,035,106		$ 178,162	4,416,696	4,410,624	(13,459)	43,083
Beginning balance (in shares) at Jun. 30, 2025			119,472,939							71,264,947
Beginning balance at Jun. 30, 2025	6,827,940		$ 3,119,404	3,641,148	(30,441)	101,152		8,665,366		$ 178,162	4,416,696	3,983,202	(13,846)	101,152
Increase (Decrease) in Shareholders' Equity
Net income	417,514			413,208		4,306		431,730				427,424		4,306
Other comprehensive income	350				350			387					387
Capital activities by noncontrolling interests	(2,742)					(2,742)		(2,742)						(2,742)
Deconsolidation of noncontrolling interests	(59,633)	[3],[4]				(59,633)	[3]							(59,633)	[4]
Other	$ (1)			(1)				(2)				(2)
Ending balance (in shares) at Sep. 30, 2025	119,736,525		119,736,525							71,264,947
Ending balance at Sep. 30, 2025	$ 7,211,093		$ 3,147,069	$ 4,054,355	$ (30,091)	$ 43,083		$ 9,035,106		$ 178,162	$ 4,416,696	$ 4,410,624	$ (13,459)	$ 43,083

[1] See Note 8 for information related to the Palo Verde sale leaseback purchases.

[2] See Note 8 for information related to the Palo Verde sale leaseback purchases.

[3] See Note 8 for information related to the Palo Verde sale leaseback purchases.

[4] See Note 8 for information related to the Palo Verde sale leaseback purchases.