CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
NET INCOME	$ 20,727	$ 24,691
Derivative instruments:
Net unrealized gain (loss), net of tax benefit (expense)	(800)	(422)
Reclassification of net realized loss, net of tax benefit	1,976	3,116
Pension and other postretirement benefits activity, net of tax benefit (expense)	583	457
Total other comprehensive income	1,759	3,151
COMPREHENSIVE INCOME	22,486	27,842
Less: Comprehensive income attributable to noncontrolling interests	4,605	8,925
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	17,881	18,917
Arizona Public Service Company
NET INCOME	24,473	28,443
Derivative instruments:
Net unrealized gain (loss), net of tax benefit (expense)	(800)	(421)
Reclassification of net realized loss, net of tax benefit	1,976	3,116
Pension and other postretirement benefits activity, net of tax benefit (expense)	681	566
Total other comprehensive income	1,857	3,261
COMPREHENSIVE INCOME	26,330	31,704
Less: Comprehensive income attributable to noncontrolling interests	4,605	8,925
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	$ 21,725	$ 22,779