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SEGMENTS OF BUSINESS - Key Metrics Reviewed (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
SEGMENTS OF BUSINESS |  |
Fuels | $ (49,343) | $ (103,388)
Other Operating and Maintenance Costs | (118,364) | (199,855)
Cost of Purchased Power | (10,888) |
Utilities | (15,914) | (17,730)
Labor | (116,164) | (152,417)
Delivered Energy |  |
SEGMENTS OF BUSINESS |  |
Revenues | 203,434 | 211,772
Capacity Revenue |  |
SEGMENTS OF BUSINESS |  |
Revenues | 58,093 | 56,155
Electric sales |  |
SEGMENTS OF BUSINESS |  |
Revenues | 261,527 | 267,927
EBITDA Margin | 137,283 | 127,812
Coal Sales |  |
SEGMENTS OF BUSINESS |  |
Revenues | 137,448 | 361,926
EBITDA Margin | (63,729) | 40,599
Electric Operations |  |
SEGMENTS OF BUSINESS |  |
Revenues | 261,527 | 267,927
Electric Operations | Delivered Energy |  |
SEGMENTS OF BUSINESS |  |
Revenues | 203,434 | 211,772
Electric Operations | Capacity Revenue |  |
SEGMENTS OF BUSINESS |  |
Revenues | 58,093 | 56,155
Electric Operations | Operating Segment |  |
SEGMENTS OF BUSINESS |  |
Fuels | (111,768) | (139,496)
Other Operating Costs | (19) | (32)
Total Variable Costs | (111,787) | (139,528)
Other Operating and Maintenance Costs | (28,622) | (33,777)
Cost of Purchased Power | (10,888) |
Utilities | (2,070) | (429)
Labor | (30,842) | (31,245)
Margin Without General And Administrative | 77,318 | 62,948
General and administrative | (5,311) | (4,914)
EBITDA Margin | 72,007 | 58,034
Electric Operations | Operating Segment | Delivered Energy |  |
SEGMENTS OF BUSINESS |  |
Revenues | 203,434 | 211,772
Electric Operations | Operating Segment | Capacity Revenue |  |
SEGMENTS OF BUSINESS |  |
Revenues | 58,093 | 56,155
Electric Operations | Operating Segment | Electric sales |  |
SEGMENTS OF BUSINESS |  |
Revenues | 261,527 | 267,927
EBITDA Margin | 72,007 | 58,034
Coal Operations |  |
SEGMENTS OF BUSINESS |  |
Revenues | 137,448 | 361,926
Coal Operations | Operating Segment |  |
SEGMENTS OF BUSINESS |  |
Fuels | (2,851) | (7,089)
Other Operating and Maintenance Costs | (89,283) | (165,479)
Utilities | (13,844) | (17,301)
Labor | (85,322) | (121,172)
Margin Without General And Administrative | 11,225 | 121,847
General and administrative | (9,877) | (10,287)
EBITDA Margin | 1,348 | 111,560
Coal Operations | Operating Segment | Coal Sales |  |
SEGMENTS OF BUSINESS |  |
Revenues | 202,525 | 432,888
EBITDA Margin | $ 1,348 | $ 111,560

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