| Schedule of disaggregation of revenue |
| | | | | | | | | | | | Year Ended December 31, 2025 | (in thousands) | | Pennsylvania | | Texas | | Total | Natural gas | | $ | 67,668 | | $ | 607,410 | | $ | 675,078 | NGLs | | | — | | | 173,059 | | | 173,059 | Oil | | | — | | | 9,460 | | | 9,460 | Total natural gas, NGL, and oil sales | | | 67,668 | | | 789,929 | | | 857,597 | | | | | | | | | | | Merchant energy sales and other | | | — | | | 288,981 | | | 288,981 | Energy retail sales | | | — | | | 154,654 | | | 154,654 | Solar revenue | | | — | | | 398 | | | 398 | Physical power purchased | | | — | | | (195,281) | | | (195,281) | Revenue from contracts with customers - power | | | — | | | 248,752 | | | 248,752 | | | | | | | | | | | Marketing revenues | | | — | | | 12,304 | | | 12,304 | Midstream revenues | | | — | | | 10,456 | | | 10,456 | Other | | | — | | | 11,664 | | | 11,664 | Total | | $ | 67,668 | | $ | 1,073,105 | | $ | 1,140,773 |
| | | | | | | | | | | | Year Ended December 31, 2024 | (in thousands) | | Pennsylvania | | Texas | | Total | Natural gas | | $ | 38,795 | | $ | 346,661 | | $ | 385,456 | NGLs | | | — | | | 165,508 | | | 165,508 | Oil | | | — | | | 6,606 | | | 6,606 | Total natural gas, NGL, and oil sales | | | 38,795 | | | 518,775 | | | 557,570 | | | | | | | | | | | Merchant energy sales and other | | | — | | | 234,477 | | | 234,477 | Energy retail sales | | | — | | | 135,652 | | | 135,652 | Solar revenue | | | — | | | 128 | | | 128 | Physical power purchased | | | — | | | (151,989) | | | (151,989) | Revenue from contracts with customers - power | | | — | | | 218,268 | | | 218,268 | | | | | | | | | | | Marketing revenues | | $ | — | | | 10,668 | | | 10,668 | Midstream revenues | | | 2,014 | | | 10,546 | | | 12,560 | Other | | | — | | | 6,631 | | | 6,631 | Total | | $ | 40,809 | | $ | 764,888 | | $ | 805,697 |
| | | | | | | | | | | | Year Ended December 31, 2023 | (in thousands) | | Pennsylvania | | Texas | | Total | Natural gas | | $ | 57,678 | | $ | 452,168 | | $ | 509,846 | NGLs | | | — | | | 187,860 | | | 187,860 | Oil | | | — | | | 8,445 | | | 8,445 | Total natural gas, NGL, and oil sales | | | 57,678 | | | 648,473 | | | 706,151 | | | | | | | | | | | Merchant energy sales and other | | | — | | | 413,915 | | | 413,915 | Energy retail sales | | | — | | | 40,261 | | | 40,261 | Physical power purchased | | | — | | | (179,553) | | | (179,553) | Revenue from contracts with customers - power | | | — | | | 274,623 | | | 274,623 | | | | | | | | | | | Marketing revenues | | | — | | | 8,710 | | | 8,710 | Midstream revenues | | | 4,635 | | | 11,533 | | | 16,168 | Other | | | — | | | 3,957 | | | 3,957 | Total | | $ | 62,313 | | $ | 947,296 | | $ | 1,009,609 |
|