Coso Finance Partners
PO Box 1690, Inyokern, CA 93527Plant Summary Information
Coso Finance Partners is ranked #10 out of 63 geothermal power plants nationwide in terms of total annual net electricity generation.
Coso Finance Partners is comprised of 3 generators and generated 82.8 GWh during the 3-month period between February 2026 to May 2026.
| Plant Name | Coso Finance Partners |
|---|---|
| Utility Name | Coso Operating Co LLC |
| Location | Inyo County, CA |
| Initial Operation Date | July 1987 |
| Last Update | May 2026 |
| Annual Generation | 363.8 GWh |
| Annual Consumption | 1.4 M MMBtu |
| Ranked #1,768 out of 13,081 Power Plants Nationwide | |
| Ranked #10 out of 63 Geothermal Power Plants Nationwide | |
| Ranked #134 out of 1,606 California Power Plants | |
| Ranked #7 out of 30 California Geothermal Power Plants | |
| Fuel Types | Geothermal |
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Monthly Net Generation for Coso Finance Partners
Monthly Plant Fuel Consumption for Coso Finance Partners
Coso Finance Partners Details
| Summary Information | |
|---|---|
| Plant Name | Coso Finance Partners (10873) |
| Plant Address | PO Box 1690, Inyokern, CA 93527 |
| Utility | Coso Operating Co LLC (4397) |
| Latitude, Longitude | 36.0372, -117.7981 |
| Generation Dates on File | Jan 2001 to May 2026 |
| Initial Operation Date | July 1987 |
| Annual Generation | 363.8 GWh |
| Fuel Types | Geothermal |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | Yes |
| FERC Small Power Producer Docket Number | QF84-327-001 |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | WECC |
| Balancing Authority | California Independent System Operator (CISO) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | Wells |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Southern California Edison Co (17609) CA |
| Grid Voltage | 115.00 kV |
| Energy Storage | No |
Generator GEN1 Details Operating July 1987
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 32.2 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 27.5 MW |
| Winter Capacity | 27.5 MW |
| Minimum Load | 3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | July 1987 |
|---|---|
| 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 | 12H |
| Multiple Fuels | No |
Generator GEN2 Details Operating November 1988
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 30 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 27 MW |
| Winter Capacity | 27 MW |
| Minimum Load | 3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | November 1988 |
|---|---|
| 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 | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator GEN3 Details Operating November 1988
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 30 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 26.7 MW |
| Winter Capacity | 27.2 MW |
| Minimum Load | 3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | November 1988 |
|---|---|
| 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 | 12H |
| Multiple Fuels | No |
Coso Finance Partners Plant Owners
| Owner Name | Address | Generator | 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 | 4.2 TWh |
| #2 | McGinness Hills | Austin, NV | 568.6 GWh |
| #3 | Dixie Valley | Fallon, NV | 463.5 GWh |
| #4 | McGinness Hills 3 | Austin, NV | 462.7 GWh |
| #5 | Calistoga Power Plant | Middletown, CA | 453.8 GWh |
| #6 | Sonoma California Geothermal | Middletown, CA | 435.6 GWh |
| #7 | John L. Featherstone Plant | Calipatria, CA | 428.7 GWh |
| #8 | Heber Geothermal | Heber, CA | 376.3 GWh |
| #9 | Elmore Company | Calipatria, CA | 368.1 GWh |
| #11 | Geothermal 2 | Middletown, CA | 363.4 GWh |
| #12 | Salton Sea Power Gen Co - Unit 4 | Calipatria, CA | 321.2 GWh |
| #13 | Coso Power Developers | Inyokern, CA | 315.8 GWh |
| #14 | Geothermal 1 | Middletown, CA | 307.7 GWh |
| #15 | Del Ranch Company | Calipatria, CA | 297.8 GWh |
| #16 | Salton Sea Power LLC - Unit 5 | Calipatria, CA | 295.9 GWh |
| #17 | Salton Sea Power Gen Co - Unit 3 | Calipatria, CA | 288.8 GWh |
| #18 | Second Imperial Geothermal | Heber, CA | 275.2 GWh |
| #19 | Blundell | Milford, UT | 271.2 GWh |
| #20 | CE Leathers | Calipatria, CA | 270.5 GWh |
| #21 | Tungsten Mountain | Fallon, NV | 283.1 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Coso Finance Partners.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Argus Cogen Plant | Trona, CA | 187.2 GWh | 29.9 mi |
| Beacon Solar Plant Site 2 | Cantil, CA | 107.0 GWh | 54.5 mi |
| Coso Energy Developers | Inyokern, CA | 235.0 GWh | 2.5 mi |
| Coso Power Developers | Inyokern, CA | 315.8 GWh | 1.3 mi |
| Cottonwood | Lone Pine, CA | 3.4 GWh | 31.2 mi |
| Haiwee | Olancha, CA | 11.0 GWh | 10.2 mi |
| Hecate Energy Beacon Solar 1 | Cantil, CA | 125.6 GWh | 54.4 mi |
| Hecate Energy Beacon Solar 3 | Cantil, CA | 118.9 GWh | 55.5 mi |
| Hecate Energy Beacon Solar 4 | Cantil, CA | 114.7 GWh | 55.6 mi |
| Isabella Hydro Project | Lake Isabella, CA | 32.1 GWh | 47 mi |
| Kern River 3 | Kernville, CA | 142.6 GWh | 40 mi |
| Munro Valley Solar | Olancha, CA | 8.7 GWh | 19.2 mi |
| Naval Air Weapons Station China Lake | Ridgecrest, CA | 24.2 GWh | 25 mi |
| North Sky River Energy LLC | Weldon, CA | 364.8 GWh | 52.4 mi |
| Owens Valley Solar Project 11 | Olancha, CA | 2.7 GWh | 20.3 mi |
| RB Inyokern Solar WDAT 1203 (CSG) | Ridgecrest, CA | 58.3 GWh | 26.4 mi |
| RB Inyokern Solar WDAT 1281 (CSG) | Ridgecrest, CA | 34.5 GWh | 26.1 mi |
| Springbok Solar Farm 1 | Cantil, CA | 280.4 GWh | 55.2 mi |
| Springbok Solar Farm 2 | Cantil, CA | 397.1 GWh | 55.3 mi |
| Trona Solar III | Trona, CA | 5.4 GWh | 29.7 mi |