Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Summary of Significant Accounting Policies

Summary of supplemental cash flow information

The following table summarizes supplemental Pinnacle West cash flow information for each of the last three years (dollars in thousands):

	Years ended December 31,
	2012		2011		2010
Cash paid during the period for:
Income taxes, net of (refunds)	$	2,543	$	10,324	$	(23,447	)
Interest, net of amounts capitalized	200,923		217,789		221,728
Significant non-cash investing and financing activities:
Accrued capital expenditures	$	26,208	$	27,245	$	19,226
Dividends declared but not paid	59,789		—		—