COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2019

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 (dollars in thousands):

	2019		2018		2017
Basin	$	145,008	$	149,246	$	152,977
WAPA		72,504		72,757		78,781
Other renewables		63,677		62,721		53,362

Coal

COMMITMENTS AND CONTINGENCIES

Schedule of future minimum commitments

As of December 31, 2019, the minimum coal to be purchased under these contracts is as follows (dollars in thousands):

2020	$	91,173
2021		64,637
2022		11,968
2023		7,816
2024		7,361
Thereafter		150,109
	$	333,064