High Sierra Limited
Natural gas power plant in Kern County, California. 49.8 MW of nameplate capacity across 2 generators, operated by WCAC Operating Company.
Also known as EIA plant 50495
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 49.8 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- March 1989First generator online
- Operator
- WCAC Operating CompanyEIA operator ID 60662
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Kern County, CA35.5090, −119.0305
- EIA plant ID
- 50495EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power High Sierra Limited produces
Free · EIA-923Net generation, 2025
5.59 GWh
5,585 MWh, final
Capacity factor, 2025
1.3%
2024: 3.2%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
5.6–52.8
GWh a year. Low 2025, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 380,758 | Not reported | 12 of 12 |
| 2001 | 266,522 | Not reported | 12 of 12 |
| 2002 | 393,531 | Not reported | 12 of 12 |
| 2003 | 411,259 | Not reported | 12 of 12 |
| 2004 | 397,129 | Not reported | 12 of 12 |
| 2005 | 305,102 | Not reported | 12 of 12 |
| 2006 | 331,534 | Not reported | 12 of 12 |
| 2007 | 307,363 | Not reported | 12 of 12 |
| 2008 | 405,247 | Not reported | 12 of 12 |
| 2009 | 215,186 | Not reported | 12 of 12 |
| 2010 | 44,479 | 10.2% | 12 of 12 |
| 2011 | 39,158 | 9.0% | 12 of 12 |
| 2012 | 13,524 | 3.1% | 12 of 12 |
| 2013 | 8,734 | 2.0% | 12 of 12 |
| 2014 | 29,040 | 6.7% | 12 of 12 |
| 2015 | 52,766 | 12.1% | 12 of 12 |
| 2016 | 10,653 | 2.4% | 12 of 12 |
| 2017 | 24,537 | 5.6% | 12 of 12 |
| 2018 | 28,059 | 6.4% | 12 of 12 |
| 2019 | 16,792 | 3.8% | 12 of 12 |
| 2020 | 21,979 | 5.0% | 12 of 12 |
| 2021 | 19,658 | 4.5% | 12 of 12 |
| 2022 | 43,223 | 9.9% | 12 of 12 |
| 2023 | 23,323 | 5.3% | 12 of 12 |
| 2024 | 14,105 | 3.2% | 12 of 12 |
| 2025 | 5,585 | 1.3% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · CAISOEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| HS1 | Natural Gas Fired Combustion Turbine | 24.9 | March 1989 |
| HS2 | Natural Gas Fired Combustion Turbine | 24.9 | March 1989 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists WCAC Operating Company as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near High Sierra Limited
More plants operated by WCAC Operating Company
Questions about High Sierra Limited
How much power does High Sierra Limited produce?
High Sierra Limited reported 5,585 MWh (5.59 GWh) of net generation in 2025, a 1.3% capacity factor on 49.8 MW of nameplate capacity.
Where is High Sierra Limited?
High Sierra Limited is in Kern County, California, at 35.5090, −119.0305. It is in the California Independent System Operator balancing area (CISO).
Who operates High Sierra Limited?
EIA-860M for August 2026 lists WCAC Operating Company as the operator (EIA operator ID 60662). The operator is not always the owner.
When did High Sierra Limited start operating?
Its first generator began operating in March 1989, according to EIA-860M.
Does InfraMap have power prices for High Sierra Limited?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to High Sierra Limited, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- CAISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page