Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Spirit Mound | Watertown Power Plant |
|---|---|---|
| Capacity | 135 MW | 67.5 MW |
| Technology | Petroleum Liquids | Petroleum Liquids |
| Operator | Basin Electric Power Coop | Missouri Basin Muni Power Agny |
| Operating units | 2 | 1 |
| Latest 12-month generation | 3.2 GWh | 4.9 GWh |
| Latest complete-year capacity factor | 0.2% (2025) | 0.8% (2024) |
| National technology rank | #41 of 705 | #80 of 705 |
| Latest EIA report | 2026-04 | 2024-12 |