Consolidation and Nature of Operations (Tables)

9 Months Ended

Sep. 30, 2016

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,
	2016		2015
Cash paid during the period for:
Income taxes, net of refunds	$	2,562	$	2,692
Interest, net of amounts capitalized	146,691		143,116
Significant non-cash investing and financing activities:
Accrued capital expenditures	$	91,315	$	36,718