COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2015

COMMITMENTS AND CONTINGENCIES

Schedule of costs for purchased power under long-term contracts

Costs under the above electric power purchase agreements for the years ended December 31 were as follows (thousands):

	2015		2014		2013
WAPA	$	89,986	$	91,639	$	91,038
Basin		127,500		132,649		136,223

Coal

COMMITMENTS AND CONTINGENCIES

Schedule of future minimum commitments

At December 31, 2015, the annual minimum coal purchases under these contracts are as follows (thousands):

2016	$	102,535
2017		105,457
2018		103,389
2019		104,686
2020		82,612
Thereafter		63,396
	$	562,075