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SEGMENTS OF BUSINESS - Key Metrics Reviewed (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
SEGMENTS OF BUSINESS |  |
Fuel | $ (15,210) | $ (8,059)
Other Operating and Maintenance Costs | (28,389) | (37,262)
Cost of Purchased Power | (6,840) | (1,926)
Utilities | (4,152) | (4,594)
Labor | (27,029) | (35,168)
Delivered Energy |  |
SEGMENTS OF BUSINESS |  |
Revenues | 72,136 | 48,908
Capacity Revenue |  |
SEGMENTS OF BUSINESS |  |
Revenues | 13,807 | 11,773
Electric sales |  |
SEGMENTS OF BUSINESS |  |
Revenues | 85,943 | 60,681
EBITDA Margin | 49,560 | 37,509
Coal Sales |  |
SEGMENTS OF BUSINESS |  |
Revenues | 30,185 | 49,630
EBITDA Margin | (18,900) | (17,611)
Electric Operations |  |
SEGMENTS OF BUSINESS |  |
Revenues | 85,943 | 60,681
Electric Operations | Delivered Energy |  |
SEGMENTS OF BUSINESS |  |
Revenues | 72,136 | 48,908
Electric Operations | Capacity Revenue |  |
SEGMENTS OF BUSINESS |  |
Revenues | 13,807 | 11,773
Electric Operations | Operating Segment |  |
SEGMENTS OF BUSINESS |  |
Fuel | (38,071) | (24,435)
Other Operating Costs | (8) | (493)
Total Variable Costs | (38,079) | (24,928)
Other Operating and Maintenance Costs | (4,527) | (4,886)
Cost of Purchased Power | (6,840) | (1,926)
Utilities | (676) | (302)
Labor | (8,143) | (7,683)
Margin Without General And Administrative | 27,678 | 20,956
General and administrative | (1,535) | (1,058)
EBITDA Margin | 26,143 | 19,898
Electric Operations | Operating Segment | Delivered Energy |  |
SEGMENTS OF BUSINESS |  |
Revenues | 72,136 | 48,908
Electric Operations | Operating Segment | Capacity Revenue |  |
SEGMENTS OF BUSINESS |  |
Revenues | 13,807 | 11,773
Electric Operations | Operating Segment | Electric sales |  |
SEGMENTS OF BUSINESS |  |
Revenues | 85,943 | 60,681
EBITDA Margin | 26,143 | 19,898
Coal Operations |  |
SEGMENTS OF BUSINESS |  |
Revenues | 30,185 | 49,630
Coal Operations | Operating Segment |  |
SEGMENTS OF BUSINESS |  |
Fuel | (556) | (1,235)
Other Operating and Maintenance Costs | (23,854) | (31,791)
Utilities | (3,476) | (4,292)
Labor | (18,886) | (27,485)
Margin Without General And Administrative | 8,002 | 1,233
General and administrative | (2,313) | (2,438)
EBITDA Margin | 5,689 | (1,205)
Coal Operations | Operating Segment | Coal Sales |  |
SEGMENTS OF BUSINESS |  |
Revenues | 54,774 | 66,036
EBITDA Margin | $ 5,689 | $ (1,205)

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