Consolidation and Nature of Operations (Tables)

9 Months Ended

Sep. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of supplemental cash flow information

The following table summarizes supplemental Pinnacle West cash flow information (dollars in thousands):

	Nine Months Ended   September 30,
	2015		2014
Cash paid (received) during the period for:
Income taxes, net of refunds	$	2,692	$	(131,154	)
Interest, net of amounts capitalized	143,116		145,285
Significant non-cash investing and financing activities:
Accrued capital expenditures	$	36,718	$	24,135