Selected Quarterly Financial Data (Unaudited) (APSC) (Tables)

12 Months Ended

Dec. 31, 2011

Schedule of quarterly financial information

	2011 Quarter Ended									2011
	March 31,(a)			June 30,		Sept. 30,		Dec. 31,		Total
Operating revenues	$	648,847		$	799,799	$	1,124,841	$	667,892	$	3,241,379
Operations and maintenance	255,029			210,590		210,035		228,632		904,286
Operating income	35,784			196,992		435,017		78,715		746,508
Income taxes	(6,005		)	50,818		131,416		7,375		183,604
Income (loss) from continuing operations	(10,368		)	93,185		253,273		19,544		355,634
Net income (loss) attributable tocommon shareholders	(15,135		)	86,685		255,359		12,564		339,473
Earnings Per Share:
Income (loss) from continuing operations attributableto common shareholders - Basic	$	(0.15	)	$	0.79	$	2.25	$	0.11	$	3.01
Net income (loss) attributable to commonshareholders - Basic	(0.14		)	0.80		2.34		0.12		3.11
Income (loss) from continuing operations attributableto common shareholders - Diluted	(0.15		)	0.78		2.24		0.11		2.99
Net income (loss) attributable to commonshareholders - Diluted	(0.14		)	0.79		2.32		0.11		3.09

(a)The March 31, 2011 results were adjusted for the effect of reclassifications for discontinued operations (see Note 21).  The adjustments resulted in a reduction in operating revenues of $10,728, a reduction in operations and maintenance of $1,457, a reduction in operating income of $1,357, a decrease in income taxes of $356, and a decrease in income from continuing operations of $1,043.

ARIZONA PUBLIC SERVICE COMPANY

Schedule of quarterly financial information

	2011 Quarter Ended,									2011
	March 31,			June 30,		September 30,		December 31,		Total
Operating revenues	$	647,994		$	798,686	$	1,124,057	$	666,504	$	3,237,241
Operations and maintenance	252,607			208,597		207,967		226,746		895,917
Operating income	45,574			145,400		292,783		70,626		554,383
Net income (loss) attributable to common shareholder	(12,081		)	87,705		246,333		14,292		336,249

	2010 Quarter Ended,								2010
	March 31,		June 30,		September 30,		December 31,		Total
Operating revenues	$	611,476	$	799,467	$	1,116,220	$	653,644	$	3,180,807
Operations and maintenance	203,881		211,310		217,044		228,477		860,712
Operating income	65,435		146,249		277,009		60,344		549,037
Net income attributable to common shareholder	10,984		90,220		226,648		7,811		335,663