Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Major Oak Power | San Miguel |
|---|---|---|
| Capacity | 349.2 MW | 410 MW |
| Technology | Conventional Steam Coal | Conventional Steam Coal |
| Operator | Major Oak Power, LLC | San Miguel Electric Coop, Inc |
| Operating units | 2 | 1 |
| Latest 12-month generation | 2.26 TWh | 1.41 TWh |
| Latest complete-year capacity factor | 72.9% (2025) | 39.6% (2025) |
| National technology rank | #141 of 206 | #134 of 206 |
| Latest EIA report | 2026-06 | 2026-06 |