Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Schedule of reclassifications of the prior year

The following tables show the impacts of the reclassifications of the prior years (previously reported) amounts (dollars in thousands):



Statement of Cash Flows for the Year Ended December 31, 2015	As previously reported			Reclassifications to conform to current year presentation			Amount reported after reclassification to conform to current year presentation
Cash Flows from Operating Activities
Stock compensation	$	—		$	18,756		$	18,756
Change in other long term liabilities	(81,959		)	(18,756		)	(100,715		)



Statement of Cash Flows for the Year Ended December 31, 2014	As previously reported			Reclassifications to conform to current year presentation			Amount reported after reclassification to conform to current year presentation
Cash Flows from Operating Activities
Stock compensation	$	—		$	33,059		$	33,059
Change in other long-term liabilities	(80,993		)	(33,059		)	(114,052		)

Schedule of property, plant and equipment

Pinnacle West’s property, plant and equipment included in the December 31, 2016 and 2015 consolidated balance sheets is composed of the following (dollars in thousands):



Property, Plant and Equipment:	2016			2015
Generation	$	7,874,898		$	7,336,902
Transmission	2,746,508			2,494,744
Distribution	5,738,801			5,543,561
General plant	981,681			847,025
Plant in service and held for future use	17,341,888			16,222,232
Accumulated depreciation and amortization	(5,970,100		)	(5,594,094		)
Net	11,371,788			10,628,138
Construction work in progress	1,019,947			816,307
Palo Verde sale leaseback, net of accumulated depreciation	113,515			117,385
Intangible assets, net of accumulated amortization	90,022			123,975
Nuclear fuel, net of accumulated amortization	119,004			123,139
Total property, plant and equipment	$	12,714,276		$	11,808,944

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):



	Year ended December 31,
	2016		2015		2014
Cash paid (received) during the period for:
Income taxes, net of refunds	$	9,956	$	6,550	$	(102,154	)
Interest, net of amounts capitalized	184,462		170,209		177,074
Significant non-cash investing and financing activities:
Accrued capital expenditures	$	114,855	$	83,798	$	44,712
Dividends declared but not paid	72,926		69,363		65,790