Other Income and Other Expense (Tables)

12 Months Ended

Dec. 31, 2017

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 2017, 2016 and 2015 (dollars in thousands):

	2017			2016			2015
Other income:
Interest income	$	3,497		$	884		$	493
Miscellaneous	509			17			128
Total other income	$	4,006		$	901		$	621
Other expense:
Non-operating costs	$	(11,749	)	$	(9,235	)	$	(11,292	)
Investment losses — net	(4,113		)	(1,747		)	(2,080		)
Miscellaneous	(5,677		)	(4,355		)	(4,451		)
Total other expense	$	(21,539	)	$	(15,337	)	$	(17,823	)

ARIZONA PUBLIC SERVICE COMPANY

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 2017, 2016 and 2015 (dollars in thousands):

	2017			2016			2015
Other income:
Interest income	$	2,858		$	261		$	163
Gain on disposition of property	2,048			5,745			716
Miscellaneous	1,620			2,601			1,955
Total other income	$	6,526		$	8,607		$	2,834
Other expense:
Non-operating costs (a)	$	(12,395	)	$	(11,034	)	$	(11,648	)
Loss on disposition of property	(5,424		)	(1,246		)	(2,219		)
Miscellaneous	(5,561		)	(5,234		)	(5,152		)
Total other expense	$	(23,380	)	$	(17,514	)	$	(19,019	)

(a) As defined by FERC, includes non-operating utility income and expense (items excluded from utility rate recovery).