Lost Hills Cogeneration Plant
Natural gas power plant in Kern County, California. 7 MW of nameplate capacity across 2 generators, operated by AERA Energy LLC.
Also known as EIA plant 52077
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 7 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- October 1985First generator online
- Operator
- AERA Energy LLCEIA operator ID 164
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Kern County, CA35.6661, −119.7669
- EIA plant ID
- 52077EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Lost Hills Cogeneration Plant produces
Free · EIA-923Net generation, 2025
7.54 GWh
7,538 MWh, final
Capacity factor, 2025
12.3%
2024: 15.0%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
2.6–43.6
GWh a year. Low 2022, high 2019
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 18,765 | Not reported | 12 of 12 |
| 2002 | 36,835 | Not reported | 12 of 12 |
| 2003 | 51,264 | Not reported | 12 of 12 |
| 2004 | 56,262 | Not reported | 12 of 12 |
| 2005 | 58,100 | Not reported | 12 of 12 |
| 2006 | 52,350 | Not reported | 12 of 12 |
| 2007 | 58,534 | Not reported | 12 of 12 |
| 2008 | 63,972 | Not reported | 12 of 12 |
| 2009 | 56,840 | Not reported | 12 of 12 |
| 2010 | 49,102 | 53.4% | 12 of 12 |
| 2011 | 36,545 | 39.7% | 12 of 12 |
| 2012 | 35,735 | 38.7% | 12 of 12 |
| 2013 | 32,531 | 35.4% | 12 of 12 |
| 2014 | 43,932 | 47.8% | 12 of 12 |
| 2015 | 37,459 | 40.7% | 12 of 12 |
| 2016 | 36,543 | 39.6% | 12 of 12 |
| 2017 | 38,690 | 42.1% | 12 of 12 |
| 2018 | 36,954 | 40.2% | 12 of 12 |
| 2019 | 43,631 | 47.4% | 12 of 12 |
| 2020 | 42,383 | 46.0% | 12 of 12 |
| 2021 | 5,306 | Not reported | 12 of 12 |
| 2022 | 2,581 | 4.2% | 12 of 12 |
| 2023 | 2,623 | 4.3% | 12 of 12 |
| 2024 | 9,216 | 15.0% | 12 of 12 |
| 2025 | 7,538 | 12.3% | 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 |
|---|---|---|---|
| GEN5 | Natural Gas Fired Combustion Turbine | 3.5 | October 1985 |
| GEN6 | Natural Gas Fired Combustion Turbine | 3.5 | October 1985 |
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 AERA Energy LLC 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 Lost Hills Cogeneration Plant
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Questions about Lost Hills Cogeneration Plant
How much power does Lost Hills Cogeneration Plant produce?
Lost Hills Cogeneration Plant reported 7,538 MWh (7.54 GWh) of net generation in 2025, a 12.3% capacity factor on 7 MW of nameplate capacity.
Where is Lost Hills Cogeneration Plant?
Lost Hills Cogeneration Plant is in Kern County, California, at 35.6661, −119.7669. It is in the California Independent System Operator balancing area (CISO).
Who operates Lost Hills Cogeneration Plant?
EIA-860M for August 2026 lists AERA Energy LLC as the operator (EIA operator ID 164). The operator is not always the owner.
When did Lost Hills Cogeneration Plant start operating?
Its first generator began operating in October 1985, according to EIA-860M.
Does InfraMap have power prices for Lost Hills Cogeneration Plant?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Lost Hills Cogeneration Plant, 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