Chalk Cliff Limited
Kern County, California · EIA plant ID 50003 · Operator: WCAC Operating Company
Nameplate46MWSummer 46 MW
Generators1in service
Net generation2GWh12 mo to Aug 2026
Capacity factor1%gas/coal/oil units, summer MW
Heat rate7,675Btu/kWhfossil units, electric fuel, HHV
First online1990Runs as peaking
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 | 263.6 | 65.4% | 8,375 |
| 2002 | 372.8 | 92.5% | 8,092 |
| 2003 | 367.2 | 91.1% | 8,164 |
| 2004 | 346.9 | 85.9% | 7,439 |
| 2005 | 340.9 | 84.6% | 7,439 |
| 2006 | 353.7 | 87.8% | 7,439 |
| 2007 | 388.1 | 96.3% | 7,383 |
| 2008 | 382.5 | 94.7% | 7,400 |
| 2009 | 379.1 | 94.1% | 7,400 |
| 2010 | 359.4 | 89.2% | 7,391 |
| 2011 | 362.6 | 90.0% | 7,393 |
| 2012 | 211.1 | 52.2% | 7,405 |
| 2013 | 147.7 | 36.6% | 7,402 |
| 2014 | 148.7 | 36.9% | 7,410 |
| 2015 | 61.3 | 15.2% | 7,413 |
| 2016 | 3.4 | 0.8% | 7,707 |
| 2017 | 20.9 | 5.2% | 7,727 |
| 2018 | 15.3 | 3.8% | 7,691 |
| 2019 | 10 | 2.5% | 7,700 |
| 2020 | 12.6 | 3.1% | 7,656 |
| 2021 | 18 | 4.5% | 7,851 |
| 2022 | 13 | 3.2% | 8,432 |
| 2023 | 43.8 | 10.9% | 7,847 |
| 2024 | 10.7 | 2.6% | 7,923 |
| 2025 | 2.8 | 0.7% | 7,700 |
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 |
|---|---|---|---|---|---|---|---|---|
| GEN1 | Natural Gas Fired Combustion Turbine | GT | 46 | 46 | Mar 1990 | Operating | — | coming soon |
Owner / operator
Operator: WCAC Operating Company. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| WGP Redwood Holdings, LLC | 100.0% | 46 MW |
Nearby plants
Within 80 km.
| Berry Cogen Tanne Hills 18 | 18 MW | 1.3 km |
| Berry Cogen | 39 MW | 1.3 km |
| Taft 26C Cogen | 12 MW | 4.1 km |
| Maricopa West Solar PV, LLC | 20 MW | 10.4 km |
| Wheeler Ridge | 5 MW | 10.5 km |
| Castor Solar | 2 MW | 13.3 km |