John L. Featherstone Plant
Geothermal power plant in Imperial County, California. 55 MW of nameplate capacity across 1 generator, operated by Hudson Ranch Power I LLC.
Also known as EIA plant 57475
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Key facts
- Capacity
- 55 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- March 2012First generator online
- Operator
- Hudson Ranch Power I LLCEIA operator ID 56791
- Grid
- IIDBalancing authority IID
- Price nodes
- None linkedNo verified ISO node
- Location
- Imperial County, CA33.2046, −115.5733
- EIA plant ID
- 57475EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power John L. Featherstone Plant produces
Free · EIA-923Net generation, 2025
433 GWh
433,097 MWh, final
Capacity factor, 2025
89.9%
2024: 84.4%
January to July 2026
254 GWh
Provisional
Range, 2015 to 2025
375.7–443.3
GWh a year. Low 2021, high 2016
| 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 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | 352,423 | Not reported | 10 of 12 |
| 2013 | 386,399 | 80.2% | 12 of 12 |
| 2014 | 429,194 | 89.1% | 12 of 12 |
| 2015 | 435,264 | 90.3% | 12 of 12 |
| 2016 | 443,269 | 91.8% | 12 of 12 |
| 2017 | 424,265 | 88.1% | 12 of 12 |
| 2018 | 415,994 | 86.3% | 12 of 12 |
| 2019 | 440,113 | 91.3% | 12 of 12 |
| 2020 | 429,894 | 89.0% | 12 of 12 |
| 2021 | 375,735 | 78.0% | 12 of 12 |
| 2022 | 396,328 | 82.3% | 12 of 12 |
| 2023 | 381,186 | 79.1% | 12 of 12 |
| 2024 | 407,967 | 84.4% | 12 of 12 |
| 2025 | 433,097 | 89.9% | 12 of 12 |
| 2026 (provisional, partial year) | 253,541 | 90.6% | 7 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
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 |
|---|---|---|---|
| HRP1 | Geothermal | 55.0 | March 2012 |
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 Hudson Ranch Power I 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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Questions about John L. Featherstone Plant
How much power does John L. Featherstone Plant produce?
John L. Featherstone Plant reported 433,097 MWh (433 GWh) of net generation in 2025, a 89.9% capacity factor on 55 MW of nameplate capacity. From January to July 2026 it reported 254 GWh, which is provisional.
Where is John L. Featherstone Plant?
John L. Featherstone Plant is in Imperial County, California, at 33.2046, −115.5733. It is in the Imperial Irrigation District balancing area (IID).
Who operates John L. Featherstone Plant?
EIA-860M for August 2026 lists Hudson Ranch Power I LLC as the operator (EIA operator ID 56791). The operator is not always the owner.
When did John L. Featherstone Plant start operating?
Its first generator began operating in March 2012, according to EIA-860M.
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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page