Chowchilla II
Natural gas power plant in Madera County, California. 49.6 MW of nameplate capacity across 16 generators, operated by California Power Holdings LLC.
Also known as EIA plant 56185
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 49.6 MWNameplate
- Generators
- 16 operatingEIA-860M, August 2026
- Operating since
- June 2001First generator online
- Operator
- California Power Holdings LLCEIA operator ID 55784
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Madera County, CA37.1073, −120.2485
- EIA plant ID
- 56185EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Chowchilla II produces
Free · EIA-923Net generation, 2025
13.7 GWh
13,727 MWh, final
Capacity factor, 2025
3.2%
2024: 3.8%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
12.5–74.0
GWh a year. Low 2019, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | 30,171 | Not reported | 12 of 12 |
| 2004 | 14,095 | Not reported | 12 of 12 |
| 2005 | 4,378 | Not reported | 12 of 12 |
| 2006 | 11,947 | Not reported | 12 of 12 |
| 2007 | 17,431 | Not reported | 12 of 12 |
| 2008 | 58,317 | Not reported | 12 of 12 |
| 2009 | 52,466 | Not reported | 12 of 12 |
| 2010 | 37,741 | 8.7% | 12 of 12 |
| 2011 | 44,560 | 10.3% | 12 of 12 |
| 2012 | 45,731 | 10.5% | 12 of 12 |
| 2013 | 24,057 | 5.5% | 12 of 12 |
| 2014 | 45,190 | 10.4% | 12 of 12 |
| 2015 | 73,963 | 17.0% | 12 of 12 |
| 2016 | 23,217 | 5.3% | 12 of 12 |
| 2017 | 23,155 | 5.3% | 12 of 12 |
| 2018 | 18,429 | 4.2% | 12 of 12 |
| 2019 | 12,526 | 2.9% | 12 of 12 |
| 2020 | 15,508 | 3.6% | 12 of 12 |
| 2021 | 45,075 | 10.4% | 12 of 12 |
| 2022 | 22,104 | 5.1% | 12 of 12 |
| 2023 | 13,571 | 3.1% | 12 of 12 |
| 2024 | 16,491 | 3.8% | 12 of 12 |
| 2025 | 13,727 | 3.2% | 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 |
|---|---|---|---|
| IC1 | Natural Gas Internal Combustion Engine | 3.1 | June 2001 |
| IC2 | Natural Gas Internal Combustion Engine | 3.1 | June 2001 |
| IC3 | Natural Gas Internal Combustion Engine | 3.1 | June 2001 |
| IC4 | Natural Gas Internal Combustion Engine | 3.1 | June 2001 |
| IC5 | Natural Gas Internal Combustion Engine | 3.1 | June 2001 |
| IC6 | Natural Gas Internal Combustion Engine | 3.1 | June 2001 |
| IC7 | Natural Gas Internal Combustion Engine | 3.1 | June 2001 |
| IC8 | Natural Gas Internal Combustion Engine | 3.1 | June 2001 |
| IC9 | Natural Gas Internal Combustion Engine | 3.1 | June 2001 |
| IC10 | Natural Gas Internal Combustion Engine | 3.1 | June 2001 |
| IC11 | Natural Gas Internal Combustion Engine | 3.1 | June 2001 |
| IC12 | Natural Gas Internal Combustion Engine | 3.1 | June 2001 |
| IC13 | Natural Gas Internal Combustion Engine | 3.1 | June 2001 |
| IC14 | Natural Gas Internal Combustion Engine | 3.1 | June 2001 |
| IC15 | Natural Gas Internal Combustion Engine | 3.1 | June 2001 |
| IC16 | Natural Gas Internal Combustion Engine | 3.1 | June 2001 |
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 California Power Holdings 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 Chowchilla II
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Questions about Chowchilla II
How much power does Chowchilla II produce?
Chowchilla II reported 13,727 MWh (13.7 GWh) of net generation in 2025, a 3.2% capacity factor on 49.6 MW of nameplate capacity.
Where is Chowchilla II?
Chowchilla II is in Madera County, California, at 37.1073, −120.2485. It is in the California Independent System Operator balancing area (CISO).
Who operates Chowchilla II?
EIA-860M for August 2026 lists California Power Holdings LLC as the operator (EIA operator ID 55784). The operator is not always the owner.
When did Chowchilla II start operating?
Its first generator began operating in June 2001, according to EIA-860M.
Does InfraMap have power prices for Chowchilla II?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Chowchilla II, 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