John L. Featherstone Plant
409 West McDonald Road, Calipatria, CA 92233Plant Summary Information
John L. Featherstone Plant is ranked #7 out of 62 geothermal power plants nationwide in terms of total annual net electricity generation.
John L. Featherstone Plant is comprised of 1 generator and generated 112.9 GWh during the 3-month period between November 2025 to February 2026.
| Plant Name | John L. Featherstone Plant |
|---|---|
| Utility Name | Hudson Ranch Power I LLC |
| Location | Imperial County, CA |
| Initial Operation Date | March 2012 |
| Last Update | Feb 2026 |
| Annual Generation | 432.5 GWh |
| Annual Consumption | 1.6 M MMBtu |
| Ranked #1,524 out of 12,637 Power Plants Nationwide | |
| Ranked #7 out of 62 Geothermal Power Plants Nationwide | |
| Ranked #102 out of 1,603 California Power Plants | |
| Ranked #4 out of 29 California Geothermal Power Plants | |
| Fuel Types | Geothermal |
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Monthly Net Generation for John L. Featherstone Plant
Monthly Plant Fuel Consumption for John L. Featherstone Plant
John L. Featherstone Plant Details
| Summary Information | |
|---|---|
| Plant Name | John L. Featherstone Plant (57475) |
| Plant Address | 409 West McDonald Road, Calipatria, CA 92233 |
| Utility | Hudson Ranch Power I LLC (56791) |
| Latitude, Longitude | 33.20464, -115.5733 |
| Generation Dates on File | Mar 2012 to Feb 2026 |
| Initial Operation Date | March 2012 |
| Annual Generation | 432.5 GWh |
| Fuel Types | Geothermal |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | WECC |
| Balancing Authority | Imperial Irrigation District (IID) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | Imperial Irrigation District |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Imperial Irrigation District (9216) CA |
| Grid Voltage | 230.00 kV |
| Energy Storage | No |
Generator HRP1 Details Operating March 2012
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 55 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 49.9 MW |
| Winter Capacity | 49.9 MW |
| Minimum Load | 15 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | March 2012 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Geothermal |
| Startup Source | Geothermal |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Multiple Fuels | No |
| Cofire Fuels | No |
John L. Featherstone Plant Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Geothermal.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #1 | Geysers Unit 5-20 | Middletown, CA | 4.3 TWh |
| #2 | McGinness Hills | Austin, NV | 602.8 GWh |
| #3 | Calistoga Power Plant | Middletown, CA | 456.1 GWh |
| #4 | Dixie Valley | Fallon, NV | 455.7 GWh |
| #5 | Sonoma California Geothermal | Middletown, CA | 447.6 GWh |
| #6 | McGinness Hills 3 | Austin, NV | 437.6 GWh |
| #8 | Heber Geothermal | Heber, CA | 384.9 GWh |
| #9 | Coso Finance Partners | Inyokern, CA | 371.6 GWh |
| #10 | Geothermal 2 | Middletown, CA | 328.3 GWh |
| #11 | Del Ranch Company | Calipatria, CA | 326.3 GWh |
| #12 | Geothermal 1 | Middletown, CA | 318.7 GWh |
| #13 | Salton Sea Power Gen Co - Unit 3 | Calipatria, CA | 314.9 GWh |
| #14 | Coso Power Developers | Inyokern, CA | 310.8 GWh |
| #15 | Second Imperial Geothermal | Heber, CA | 302.3 GWh |
| #16 | Salton Sea Power LLC - Unit 5 | Calipatria, CA | 290.3 GWh |
| #17 | CD4 | Mammoth Lakes, CA | 276.9 GWh |
| #18 | Blundell | Milford, UT | 272.5 GWh |
| #19 | Puna Geothermal Venture I | Pahoa, HI | 258.9 GWh |
| #20 | Tungsten Mountain | Fallon, NV | 272.8 GWh |
| #21 | Coso Energy Developers | Inyokern, CA | 244.2 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding John L. Featherstone Plant.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Calipatria Solar Farm | Calipatria, CA | 38.3 GWh | 3.6 mi |
| Calipatria State Prison | Calipatria, CA | 16.5 GWh | 5.9 mi |
| CE Leathers | Calipatria, CA | 70.6 GWh | 1.9 mi |
| Citizens Imperial Solar | Calipatria, CA | 52.3 GWh | 8.1 mi |
| Del Ranch Company | Calipatria, CA | 326.3 GWh | 3.7 mi |
| Elmore Company | Calipatria, CA | 104.3 GWh | 2.5 mi |
| Imperial Valley Solar Co (IVSC) 2, LLC | Niland, CA | 46.2 GWh | 5.5 mi |
| Imperial Valley Solar Company 1 LLC | Niland, CA | 35.1 GWh | 5.3 mi |
| Midway Solar Farm 1 | Calipatria, CA | 110.4 GWh | 1.9 mi |
| Midway Solar Farm II | Calipatria, CA | 37.8 GWh | 3.8 mi |
| Midway Solar Farm III | Calipatria, CA | 50.9 GWh | 3.8 mi |
| Niland Gas Turbine Plant | Niland, CA | 55.7 GWh | 4.6 mi |
| Salton Sea Power Gen Co - Unit 1 | Calipatria, CA | 78.4 GWh | 5.4 mi |
| Salton Sea Power Gen Co - Unit 2 | Calipatria, CA | 107.0 GWh | 5.2 mi |
| Salton Sea Power Gen Co - Unit 3 | Calipatria, CA | 314.9 GWh | 5 mi |
| Salton Sea Power Gen Co - Unit 4 | Calipatria, CA | 179.8 GWh | 5 mi |
| Salton Sea Power LLC - Unit 5 | Calipatria, CA | 290.3 GWh | 5.2 mi |
| Solar Gen 2 Solar Facility | Calipatria, CA | 364.2 GWh | 10.5 mi |
| Vulcan-BN Geothermal Power Company | Calipatria, CA | 227.2 GWh | 3.8 mi |
| Wister Solar | Niland, CA | 28.2 GWh | 6 mi |