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Note 18 - Segments of Business (Tables) | 6 Months Ended
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Jun. 30, 2024
Notes Tables |
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
|  | (in thousands) |  |  | (in thousands) |
Operating revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric operations(i) |  | $ | 57,020 |  |  | $ | 71,103 |  |  | $ | 115,932 |  |  | $ | 163,597 |
Coal operations |  |  | 46,429 |  |  |  | 113,098 |  |  |  | 113,299 |  |  |  | 208,371 |
Corporate and other and eliminations |  |  | (12,535 | ) |  |  | (23,007 | ) |  |  | (28,645 | ) |  |  | (22,440 | )
Consolidated operating revenues |  | $ | 90,914 |  |  | $ | 161,194 |  |  | $ | 200,586 |  |  | $ | 349,528 |
Operating expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric operations |  | $ | 50,232 |  |  | $ | 61,847 |  |  | $ | 93,897 |  |  | $ | 135,636 |
Coal operations |  |  | 57,750 |  |  |  | 86,735 |  |  |  | 136,077 |  |  |  | 168,920 |
Corporate and other and eliminations |  |  | (9,782 | ) |  |  | (9,632 | ) |  |  | (24,835 | ) |  |  | (6,505 | )
Consolidated operating expenses |  | $ | 98,200 |  |  | $ | 138,950 |  |  | $ | 205,139 |  |  | $ | 298,051 |
Income (loss) from operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric operations |  | $ | 6,788 |  |  | $ | 9,256 |  |  | $ | 22,035 |  |  | $ | 27,961 |
Coal operations |  |  | (11,321 | ) |  |  | 26,363 |  |  |  | (22,778 | ) |  |  | 39,451 |
Corporate and other and eliminations |  |  | (2,753 | ) |  |  | (13,375 | ) |  |  | (3,810 | ) |  |  | (15,935 | )
Consolidated income (loss) from operations |  | $ | (7,286 | ) |  | $ | 22,244 |  |  | $ | (4,553 | ) |  | $ | 51,477 |
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric operations |  | $ | 4,698 |  |  | $ | 4,675 |  |  | $ | 9,395 |  |  | $ | 9,350 |
Coal operations |  |  | 8,930 |  |  |  | 12,466 |  |  |  | 19,658 |  |  |  | 25,741 |
Corporate and other and eliminations |  |  | 21 |  |  |  | 28 |  |  |  | 39 |  |  |  | 54 |
Consolidated depreciation, depletion and amortization |  | $ | 13,649 |  |  | $ | 17,169 |  |  | $ | 29,092 |  |  | $ | 35,145 |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric operations |  | $ | 220,511 |  |  | $ | 216,665 |  |  | $ | 220,511 |  |  | $ | 216,665 |
Coal operations |  |  | 367,807 |  |  |  | 387,653 |  |  |  | 367,807 |  |  |  | 387,653 |
Corporate and other and eliminations |  |  | 6,851 |  |  |  | (4,429 | ) |  |  | 6,851 |  |  |  | (4,429 | )
Consolidated assets |  | $ | 595,169 |  |  | $ | 599,889 |  |  | $ | 595,169 |  |  | $ | 599,889 |
Capital expenditures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric operations |  | $ | 5,277 |  |  | $ | 2,683 |  |  | $ | 11,519 |  |  | $ | 3,526 |
Coal operations |  |  | 7,560 |  |  |  | 14,445 |  |  |  | 16,192 |  |  |  | 27,084 |
Corporate and other and eliminations |  |  | 333 |  |  |  | — |  |  |  | 333 |  |  |  | — |
Consolidated capital expenditures |  | $ | 13,170 |  |  | $ | 17,128 |  |  | $ | 28,044 |  |  | $ | 30,610 |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Operating revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capacity revenue |  | $ | 16,873 |  |  | $ | 17,155 |  |  | $ | 28,646 |  |  | $ | 33,125 |
Delivered energy |  |  | 27,893 |  |  |  | 34,307 |  |  |  | 62,087 |  |  |  | 77,382 |
Amortization of contract liability |  |  | 12,080 |  |  |  | 19,555 |  |  |  | 24,868 |  |  |  | 52,902 |
Other operating revenue |  |  | 174 |  |  |  | 86 |  |  |  | 331 |  |  |  | 188 |
Total Electric Operations revenue: |  | $ | 57,020 |  |  | $ | 71,103 |  |  | $ | 115,932 |  |  | $ | 163,597 |

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