Other Income and Other Expense (Tables)

6 Months Ended

Jun. 30, 2018

Component of Other Income and Other Expense Nonoperating [Line Items]

Detail of other income and other expense

The following table provides detail of Pinnacle West's Consolidated other income and other expense for the three and six months ended June 30, 2018 and 2017 (dollars in thousands):

	Three Months Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Other income:
Interest income	$	2,408		$	387		$	4,299		$	864
Debt return on Four Corners SCR deferral (Note 4)	4,188			—			6,280			—
Miscellaneous	2			97			4			100
Total other income	$	6,598		$	484		$	10,583		$	964
Other expense:
Non-operating costs	$	(3,278	)	$	(3,401	)	$	(4,924	)	$	(5,360	)
Investment losses — net	(174		)	(227		)	(350		)	(528		)
Miscellaneous	(319		)	(194		)	(1,726		)	(1,614		)
Total other expense	$	(3,771	)	$	(3,822	)	$	(7,000	)	$	(7,502	)

APS

Component of Other Income and Other Expense Nonoperating [Line Items]

Detail of other income and other expense

The following table provides detail of APS’s other income and other expense for the three and six months ended June 30, 2018 and 2017 (dollars in thousands):

	Three Months Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Other income:
Interest income	$	2,046		$	257		$	3,724		$	596
Debt return on Four Corners SCR deferral (Note 4)	4,188			—			6,280			—
Miscellaneous	1			95			3			98
Total other income	$	6,235		$	352		$	10,007		$	694
Other expense:
Non-operating costs	$	(3,057	)	$	(3,149	)	$	(4,596	)	$	(4,899	)
Miscellaneous	(315		)	(152		)	(1,722		)	(1,530		)
Total other expense	$	(3,372	)	$	(3,301	)	$	(6,318	)	$	(6,429	)