Revenue (Tables)

12 Months Ended

Dec. 31, 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):

	Year Ended December 31,
	2018
Retail residential electric service	$	1,867,370
Retail non-residential electric service	1,628,891
Wholesale energy sales	109,198
Transmission services for others	60,261
Other sources	25,527
Total operating revenues	$	3,691,247