Revenue (Tables)

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

Schedule of 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,		Year Ended December 31,		Year Ended December 31,
	2022		2021		2020
Retail Electric Service
Residential	$	2,046,111	$	1,913,324	$	1,929,178	(a)
Non-Residential	1,767,616		1,586,940		1,486,098
Wholesale Energy Sales	383,126		187,640		93,345
Transmission Services for Others	116,628		99,285		65,859
Other Sources	10,904		16,646		12,502
Total Operating Revenues	$	4,324,385	$	3,803,835	$	3,586,982

(a)     Residential revenues for the year ended December 31, 2020, reflect a $24 million reduction related to the Arizona Attorney General matter. See Note 10.

Schedule of allowance for doubtful accounts

The following table provides a rollforward of Pinnacle West’s allowance for doubtful accounts (dollars in thousands):

	Year Ended December 31, 2022		Year Ended December 31, 2021		Year Ended December 31, 2020
Allowance for doubtful accounts, balance at beginning of period	$	25,354	$	19,782	$	8,171
Bad debt expense	17,006		22,251		20,633
Actual write-offs	(18,582)		(16,679)		(9,022)
Allowance for doubtful accounts, balance at end of period	$	23,778	$	25,354	$	19,782