Other Income and Other Expense

3 Months Ended

Mar. 31, 2026

Other Income and Expenses [Abstract]

Other Income and Other Expense

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 March 31,
	2026		2025
Other income:
Interest income	$	2,881	$	5,996
Investment gain — net (a)	1,792		10,984
Miscellaneous	308		481
Total other income	$	4,981	$	17,461
Other expense:
Non-operating costs	$	(2,462)	$	(2,229)
Miscellaneous	(278)		(341)
Total other expense	$	(2,740)	$	(2,570)

(a)Primarily relates to El Dorado investment activities. See Note 18.

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

	Three Months Ended March 31,
	2026		2025
Other income:
Interest income	$	2,520	$	5,607
Miscellaneous	125		115
Total other income	$	2,645	$	5,722
Other expense:
Non-operating costs	$	(2,390)	$	(1,992)
Miscellaneous	(278)		(341)
Total other expense	$	(2,668)	$	(2,333)