Revenue (Tables)

3 Months Ended

Mar. 31, 2022

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 March 31,
	2022		2021
Retail Electric Service
Residential	$	367,346	$	340,838
Non-Residential	359,516		314,783
Wholesale Energy Sales	28,903		17,597
Transmission Services for Others	25,492		18,993
Other Sources	2,274		4,264
Total operating revenues	$	783,531	$	696,475

Schedule of Accounts Receivable

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

	March 31, 2022		December 31, 2021
Allowance for doubtful accounts, balance at beginning of period	$	25,354	$	19,782
Bad debt expense	3,161		22,251
Actual write-offs	(3,849)		(16,679)
Allowance for doubtful accounts, balance at end of period	$	24,666	$	25,354