Revenue (Tables)

9 Months Ended

Sep. 30, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table provides detail of Pinnacle West's consolidated revenue disaggregated by revenue sources (dollars in thousands):

	Three Months Ended September 30,		Nine Months Ended September 30,
	2018		2018
Retail residential electric service	$	695,480	$	1,512,402
Retail non-residential electric service	496,809		1,275,498
Wholesale energy sales	53,501		80,982
Transmission services for others	15,902		46,235
Other sources	6,342		19,754
Total operating revenues	$	1,268,034	$	2,934,871