Elk Hills Power LLC
Kern County, California · EIA plant ID 55400 · Operator: Elk Hills Power LLC
Nameplate623MWSummer 525 MW
Generators3in service
Net generation2,753GWh12 mo to Aug 2026
Capacity factor60%gas/coal/oil units, summer MW
Heat rate6,504Btu/kWhfossil units, electric fuel, HHV
First online2003Runs 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 | 359.7 | — | — |
| 2003 | 1,847.8 | 79.7% | 6,724 |
| 2004 | 3,979.4 | 86.3% | 6,762 |
| 2005 | 3,590.6 | 78.1% | 6,952 |
| 2006 | 3,456.2 | 75.1% | 7,054 |
| 2007 | 3,731.9 | 81.2% | 7,061 |
| 2008 | 3,551.9 | 77.0% | 7,018 |
| 2009 | 3,452.9 | 75.1% | 7,010 |
| 2010 | 3,753.1 | 81.6% | 7,013 |
| 2011 | 3,238.8 | 70.4% | 7,184 |
| 2012 | 3,486 | 75.6% | 7,163 |
| 2013 | 3,913.6 | 85.1% | 7,154 |
| 2014 | 3,924.1 | 85.3% | 7,394 |
| 2015 | 3,961.6 | 86.1% | 7,469 |
| 2016 | 3,442.8 | 74.7% | 6,491 |
| 2017 | 3,805.9 | 82.8% | 6,492 |
| 2018 | 3,797.6 | 82.6% | 6,484 |
| 2019 | 3,845.7 | 83.6% | 6,520 |
| 2020 | 3,373.7 | 73.2% | 6,645 |
| 2021 | 3,778.1 | 82.2% | 6,636 |
| 2022 | 3,686.9 | 80.2% | 6,504 |
| 2023 | 3,775.5 | 82.1% | 6,464 |
| 2024 | 2,134.9 | 46.3% | 6,490 |
| 2025 | 3,131.2 | 68.1% | 6,486 |
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 |
|---|---|---|---|---|---|---|---|---|
| CTG1 | Natural Gas Fired Combined Cycle | CT | 199 | 156 | Jul 2003 | Operating | — | coming soon |
| CTG2 | Natural Gas Fired Combined Cycle | CT | 199 | 156 | Jul 2003 | Operating | — | coming soon |
| STG | Natural Gas Fired Combined Cycle | CA | 225 | 213 | Jul 2003 | Operating | — | coming soon |
Owner / operator
Operator: Elk Hills Power LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| California Resources Elk Hills LLC | 68.1% | 424 MW |
| Elk Hills Power LLC | 31.9% | 199 MW |
Nearby plants
Within 80 km.
| Eagle Creek | 3 MW | 10.1 km |
| Castor Solar | 2 MW | 10.8 km |
| La Paloma Generating LLC | 1,156 MW | 11.1 km |
| North Midway Cogen | 11 MW | 11.6 km |
| Dome Project | 6 MW | 12.2 km |
| Sunrise Power LLC | 685 MW | 13 km |