| Assets | — | — |
| Current assets | — | — |
| Cash and cash equivalents | 136.96a | 59.81a |
| Trade receivables, net | 166.83a | 282.62a |
| Other receivables | 10.16a | 9.68a |
| Inventories, net | 120.66a | 127.56a |
| Advance royalties | 11.42a | 7.78a |
| Digital assets | 45.04a | 9.58a |
| Prepaid expenses and other assets | 22.16a | 19.09a |
| Total current assets | 513.23a | 516.12a |
| Property, plant and equipment | — | — |
| Property, plant and equipment | 4,435.54a | 4,172.54a |
| Less accumulated depreciation, depletion and amortization | -2,269.27a | -2,149.88a |
| Total property, plant and equipment, net | 2,166.27a | 2,022.66a |
| Other assets | — | — |
| Advance royalties | 70.26a | 71.13a |
| Equity method investments | 35.53a | 46.5a |
| Equity securities | 92.54a | 92.54a |
| Operating lease right-of-use assets | 15.87a | 16.57a |
| Other long-term assets | 22.02a | 22.9a |
| Total other assets | 236.23a | 249.64a |
| Total assets | 2,915.73a | 2,788.43a |
| Liabilities and partners' capital | — | — |
| Current liabilities | — | — |
| Accounts payable | 98.19a | 108.27a |
| Accrued taxes other than income taxes | 21.05a | 21.01a |
| Accrued payroll and related expenses | 26.95a | 29.88a |
| Accrued interest | 1.82a | 3.56a |
| Workers' compensation and pneumoconiosis benefits | 14.84a | 15.91a |
| Other current liabilities | 48.02a | 28.5a |
| Current maturities, long-term debt, net | 22.28a | 20.34a |
| Total current liabilities | 233.14a | 227.47a |
| Long-term liabilities | — | — |
| Long-term debt, excluding current maturities, net | 450.89a | 316.82a |
| Pneumoconiosis benefits | 120.15a | 127.25a |
| Accrued pension benefit | 0a | 8.62a |
| Workers' compensation | 37.18a | 37.26a |
| Asset retirement obligations | 155.16a | 146.93a |
| Long-term operating lease obligations | 13.64a | 13.66a |
| Deferred income tax liabilities | 29.35a | 33.45a |
| Other liabilities | 22.69a | 18.38a |
| Total long-term liabilities | 829.06a | 702.36a |
| Total liabilities | 1,062.2a | 929.83a |
| Partners' capital | — | — |
| ARLP partners' capital | — | — |
| Limited partners - common unitholders | 1,867.85a | 1,896.03a |
| Accumulated other comprehensive loss | -35.1a | -61.53a |
| Total ARLP partners' capital | 1,832.75a | 1,834.5a |
| Noncontrolling interest | 20.79a | 24.1a |
| Total partners' capital | 1,853.53a | 1,858.6a |
| Total liabilities and partners' capital | 2,915.73a | 2,788.43a |