Major Oak Power
Robertson County, Texas · EIA plant ID 7030 · Operator: Major Oak Power, LLC
Nameplate349MWSummer 305 MW
Generators2in service
Net generation2,286GWh12 mo to Aug 2026
Capacity factor86%gas/coal/oil units, summer MW
Heat rate11,929Btu/kWhfossil units, electric fuel, HHV
First online1990Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 2,349.7 | 87.9% | 11,170 |
| 2002 | 2,472.2 | 92.5% | 10,842 |
| 2003 | 2,475.3 | 92.7% | 11,152 |
| 2004 | 2,342.3 | 87.4% | 11,628 |
| 2005 | 2,490.4 | 93.2% | 11,546 |
| 2006 | 2,351.7 | 88.0% | 11,333 |
| 2007 | 2,316 | 86.7% | 11,893 |
| 2008 | 2,411.5 | 90.0% | 11,299 |
| 2009 | 2,180.2 | 81.6% | 11,487 |
| 2010 | 2,386.7 | 89.3% | 11,342 |
| 2011 | 2,286.1 | 85.6% | 11,623 |
| 2012 | 1,513.7 | 56.5% | 11,952 |
| 2013 | 2,068.2 | 77.4% | 11,542 |
| 2014 | 2,316.8 | 86.7% | 11,383 |
| 2015 | 2,434.4 | 91.1% | 11,431 |
| 2016 | 2,467.6 | 92.1% | 11,608 |
| 2017 | 2,383.5 | 89.2% | 11,529 |
| 2018 | 2,457.8 | 92.0% | 11,573 |
| 2019 | 2,413.9 | 90.3% | 11,797 |
| 2020 | 2,385.5 | 89.0% | 11,684 |
| 2021 | 2,337.7 | 87.5% | 11,778 |
| 2022 | 2,442.9 | 91.4% | 11,899 |
| 2023 | 2,319.4 | 86.8% | 11,875 |
| 2024 | 2,061.1 | 76.9% | 12,073 |
| 2025 | 2,230.4 | 83.5% | 11,861 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 1 | Conventional Steam Coal | ST | 174.6 | 152 | Sep 1990 | Operating | — | coming soon |
| 2 | Conventional Steam Coal | ST | 174.6 | 153 | Oct 1991 | Operating | — | coming soon |
Owner / operator
Operator: Major Oak Power, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Major Oak Power, LLC | 100.0% | 349 MW |
Nearby plants
Within 80 km.
| Tidwell Prairie Storage 1 | 200 MW | 3.1 km |
| Barton Branch IA | — | 3.1 km |
| Tidwell Prairie II | — | 3.1 km |
| Bee Branch IA | — | 3.2 km |
| Cattlemen Solar II | — | 15.5 km |
| Yaupon Solar Project (Hybrid) | 200 MW | 15.8 km |