Revenue (Tables)

9 Months Ended

Sep. 30, 2023

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):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Retail Electric Service
Residential	$	883,393	$	743,061	$	1,835,432	$	1,647,996
Non-Residential	649,164		547,979		1,572,013		1,370,164
Wholesale Energy Sales	57,801		139,741		180,686		198,546
Transmission Services for Others	43,286		36,321		108,229		91,165
Other Sources	4,115		2,769		8,057		7,200
Total operating revenues	$	1,637,759	$	1,469,871	$	3,704,417	$	3,315,071

Schedule of Accounts Receivable

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

	September 30, 2023		December 31, 2022
Allowance for doubtful accounts, balance at beginning of period	$	23,778	$	25,354
Bad debt expense	15,159		17,006
Actual write-offs	(18,289)		(18,582)
Allowance for doubtful accounts, balance at end of period	$	20,648	$	23,778