Other Income and Other Expense (Tables)

9 Months Ended

Sep. 30, 2021

Other Income and Expenses [Abstract]

Schedule of Other Income and Other Expense

The following table provides detail of Pinnacle West’s Consolidated other income and other expense (dollars in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Other income:
Interest income	$	1,602	$	2,956	$	5,236	$	8,988
Investment gains - net	—		—		—		2,594
Debt return on Four Corners SCR deferrals (Note 4)	4,091		4,260		12,266		11,649
Debt return on Ocotillo modernization project (Note 4)	6,386		6,663		19,169		19,511
Miscellaneous	4		2		48		146
Total other income	$	12,083	$	13,881	$	36,719	$	42,888
Other expense:
Non-operating costs	(2,973)		(2,453)		(9,013)		(7,401)
Investment gains (losses) — net	(704)		(291)		(1,478)		—
Miscellaneous	(2,505)		(3,094)		(4,728)		(7,025)
Total other expense	$	(6,182)	$	(5,838)	$	(15,219)	$	(14,426)

The following table provides detail of APS’s other income and other expense (dollars in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Other income:
Interest income	$	1,118	$	2,403	$	3,645	$	6,927
Debt return on Four Corners SCR deferrals (Note 4)	4,091		4,260		12,266		11,649
Debt return on Ocotillo modernization project (Note 4)	6,386		6,663		19,169		19,511
Miscellaneous	2		2		40		146
Total other income	$	11,597	$	13,328	$	35,120	$	38,233
Other expense:
Non-operating costs	(1,892)		(1,906)		(7,284)		(6,501)
Miscellaneous	(304)		(893)		(2,523)		(4,825)
Total other expense	$	(2,196)	$	(2,799)	$	(9,807)	$	(11,326)