COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2023

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Commitments

As of December 31, 2023, the minimum coal to be purchased under these contracts is as follows (dollars in thousands):

2024	$	99,241
2025	25,575
2026	14,897
2027	11,866
2028	12,011
Thereafter	77,262
	$	240,852

Schedule of Costs under Electric Power Purchase Agreements

Costs under the above electric power purchase contracts were as follows (dollars in thousands):

	2023		2022		2021
Basin	$	142,456	$	148,146	$	146,532
WAPA	74,899		67,791		70,107
Renewables, other than WAPA	78,177		85,601		71,565