Palo Verde Palo Verde (Tables)

3 Months Ended

Mar. 31, 2018

Jointly Owned Utility Plant Interests [Line Items]

Company Share of Recovered Costs

			Amount Credited
			to Customers
			through Fuel		Period Credited
Costs Recovery Period	Amount Refunded		Adjustment Clauses		to Customers
July 2015 - June 2016	$	1,779	$	1,432	March 2017
July 2016 - June 2017	1,413		1,121		March 2018

Palo Verde Generating Station

Jointly Owned Utility Plant Interests [Line Items]

Schedule of Jointly Owned Utility Plants

Palo Verde Operations and Maintenance Expense. Included in "operations and maintenance" in the Company's Statements of Operations are expenses associated with Palo Verde as follows (in thousands):

	2018		2017
Three months ended March 31,	$	22,175	$	21,608
Twelve months ended March 31,	99,931		96,179