Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2014

Selected Quarterly Financial Information [Line Items]

Schedule of quarterly financial information

Consolidated quarterly financial information for 2014 and 2013 is provided in the tables below (dollars in thousands, except per share amounts).  Weather conditions cause significant seasonal fluctuations in our revenues; therefore, results for interim periods do not necessarily represent results expected for the year.

	2014 Quarter Ended								2014
	March 31,		June 30,		Sept. 30,		Dec. 31,		Total
Operating revenues	$	686,251	$	906,264	$	1,172,667	$	726,450	$	3,491,632
Operations and maintenance	212,882		211,222		223,418		260,503		908,025
Operating income	75,170		254,113		421,775		60,184		811,242
Income taxes	6,405		74,540		134,753		5,007		220,705
Income from continuing operations	24,691		141,384		248,086		9,535		423,696
Net income attributable to common shareholders	15,766		132,458		243,961		5,410		397,595
Earnings Per Share:
Net income attributable to common shareholders — Basic	$	0.14	$	1.20	$	2.20	$	0.05	$	3.59
Net income attributable to common shareholders — Diluted	0.14		1.19		2.20		0.05		3.58

	2013 Quarter Ended								2013
	March 31,		June 30,		Sept. 30,		Dec. 31,		Total
Operating revenues	$	686,652	$	915,822	$	1,152,392	$	699,762	$	3,454,628
Operations and maintenance	223,250		229,300		233,323		238,854		924,727
Operating income	86,923		259,812		415,688		83,900		846,323
Income taxes	12,469		77,043		131,912		9,167		230,591
Income from continuing operations	32,836		139,598		234,718		32,814		439,966
Net income attributable to common shareholders	24,444		131,207		226,163		24,260		406,074
Earnings Per Share:
Net income attributable to common shareholders — Basic	$	0.22	$	1.19	$	2.06	$	0.22	$	3.69
Net income attributable to common shareholders — Diluted	0.22		1.18		2.04		0.22		3.66

ARIZONA PUBLIC SERVICE COMPANY

Selected Quarterly Financial Information [Line Items]

Schedule of quarterly financial information

Quarterly financial information for 2014 and 2013 is as follows (dollars in thousands):

	2014 Quarter Ended,								2014
	March 31,		June 30,		September 30,		December 31,		Total
Operating revenues	$	685,545	$	905,578	$	1,172,190	$	725,633	$	3,488,946
Operations and maintenance	208,285		208,059		212,430		253,668		882,442
Operating income	69,635		180,394		287,928		54,835		592,792
Net income attributable to common shareholder	19,518		134,916		251,047		15,738		421,219

	2013 Quarter Ended,								2013
	March 31,		June 30,		September 30,		December 31,		Total
Operating revenues	$	685,827	$	915,065	$	1,151,535	$	698,824	$	3,451,251
Operations and maintenance	220,752		224,950		222,617		229,505		897,824
Operating income	74,862		183,728		284,251		79,024		621,865
Net income attributable to common shareholder	26,042		133,949		234,954		30,024		424,969