Revenue (Tables)

6 Months Ended

Jun. 30, 2019

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 June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Retail residential electric service	$	432,568	$	500,247	$	784,134	$	816,922
Retail non-residential electric service	395,929		435,500		728,597		778,689
Wholesale energy sales	21,991		15,392		58,443		27,481
Transmission services for others	15,157		15,489		30,406		30,334
Other sources	3,856		7,495		8,451		13,411
Total operating revenues	$	869,501	$	974,123	$	1,610,031	$	1,666,837