Coso Power Developers
PO Box 1690, Inyokern, CA 93527Plant Summary Information
Coso Power Developers is ranked #15 out of 62 geothermal power plants nationwide in terms of total annual net electricity generation.
Coso Power Developers is comprised of 3 generators and generated 77.9 GWh during the 3-month period between December 2024 to March 2025.
| Plant Name | Coso Power Developers |
|---|---|
| Utility Name | Coso Operating Co LLC |
| Location | Inyo County, CA |
| Initial Operation Date | November 1989 |
| Last Update | Mar 2025 |
| Annual Generation | 307.8 GWh |
| Annual Consumption | 1.1 M MMBtu |
| Ranked #1,851 out of 11,623 Power Plants Nationwide | |
| Ranked #15 out of 62 Geothermal Power Plants Nationwide | |
| Ranked #167 out of 1,487 California Power Plants | |
| Ranked #13 out of 29 California Geothermal Power Plants | |
| Fuel Types | Geothermal |
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Monthly Net Generation for Coso Power Developers
Coso Power Developers Details
| Summary Information | |
|---|---|
| Plant Name | Coso Power Developers (10874) |
| Plant Address | PO Box 1690, Inyokern, CA 93527 |
| Utility | Coso Operating Co LLC (4397) |
| Latitude, Longitude | 36.0192, -117.7917 |
| Generation Dates on File | Jan 2001 to Mar 2025 |
| Initial Operation Date | November 1989 |
| Annual Generation | 307.8 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 | QF86-591-003 |
| 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 | 230.00 kV |
| Energy Storage | No |
Generator GEN4 Details Operating November 1989
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 30 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 30 MW |
| Winter Capacity | 30 MW |
| Minimum Load | 3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | November 1989 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Geothermal |
| Startup Source | Geothermal |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
Generator GEN5 Details Operating December 1989
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 30 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 23.4 MW |
| Winter Capacity | 27 MW |
| Minimum Load | 3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | December 1989 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Geothermal |
| Startup Source | Geothermal |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
Generator GEN6 Details Operating December 1989
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 30 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 26.9 MW |
| Winter Capacity | 29 MW |
| Minimum Load | 3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | December 1989 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Geothermal |
| Startup Source | Geothermal |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
Coso Power Developers 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 |
|---|---|---|---|
| #5 | John L. Featherstone Plant | Calipatria, CA | 437.4 GWh |
| #6 | Sonoma California Geothermal | Middletown, CA | 431.5 GWh |
| #7 | Geothermal 1 | Middletown, CA | 389.3 GWh |
| #8 | Coso Finance Partners | Inyokern, CA | 374.7 GWh |
| #9 | Elmore Company | Calipatria, CA | 359.4 GWh |
| #10 | Salton Sea Power Gen Co - Unit 3 | Calipatria, CA | 336.5 GWh |
| #11 | CE Leathers | Calipatria, CA | 335.0 GWh |
| #12 | Second Imperial Geothermal | Heber, CA | 326.6 GWh |
| #13 | Salton Sea Power Gen Co - Unit 4 | Calipatria, CA | 319.7 GWh |
| #14 | Del Ranch Company | Calipatria, CA | 311.2 GWh |
| #16 | Tungsten Mountain | Fallon, NV | 332.1 GWh |
| #17 | Dixie Valley | Fallon, NV | 303.5 GWh |
| #18 | Geothermal 2 | Middletown, CA | 303.1 GWh |
| #19 | Salton Sea Power LLC - Unit 5 | Calipatria, CA | 302.8 GWh |
| #20 | Coso Energy Developers | Inyokern, CA | 277.3 GWh |
| #21 | CD4 | Mammoth Lakes, CA | 272.3 GWh |
| #22 | Vulcan-BN Geothermal Power Company | Calipatria, CA | 259.4 GWh |
| #23 | Heber Geothermal | Heber, CA | 250.1 GWh |
| #24 | Blundell | Milford, UT | 248.2 GWh |
| #25 | Steamboat Hills LP | Reno, NV | 235.6 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Coso Power Developers.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Argus Cogen Plant | Trona, CA | 255.8 GWh | 28.8 mi |
| Beacon Solar Plant Site 2 | Cantil, CA | 114.7 GWh | 53.3 mi |
| Beacon Solar Plant Site 5 | Cantil, CA | 96.1 GWh | 54.9 mi |
| Coso Energy Developers | Inyokern, CA | 277.3 GWh | 1.2 mi |
| Coso Finance Partners | Inyokern, CA | 374.7 GWh | 1.3 mi |
| Eland Solar & Storage Center, Phase 1 Hybrid | Mojave, CA | 205.6 GWh | 55.9 mi |
| Hecate Energy Beacon Solar 1 | Cantil, CA | 131.0 GWh | 53.3 mi |
| Hecate Energy Beacon Solar 3 | Cantil, CA | 131.2 GWh | 54.4 mi |
| Hecate Energy Beacon Solar 4 | Cantil, CA | 116.1 GWh | 54.5 mi |
| Kern River 3 | Kernville, CA | 184.5 GWh | 39.8 mi |
| Munro Valley Solar | Olancha, CA | 8.5 GWh | 20.4 mi |
| Naval Air Weapons Station China Lake | Ridgecrest, CA | 23.3 GWh | 23.7 mi |
| North Sky River Energy LLC | Weldon, CA | 386.6 GWh | 51.4 mi |
| Owens Valley Solar Project 11 | Olancha, CA | 2.3 GWh | 21.5 mi |
| Pine Tree Wind Power Project | Cantil, CA | 61.0 GWh | 57.5 mi |
| RE Barren Ridge 1 | Mojave, CA | 169.5 GWh | 58.4 mi |
| Sky River Wind Energy Center | Tehachapi, CA | 201.6 GWh | 58.3 mi |
| Springbok Solar Farm 1 | Cantil, CA | 291.6 GWh | 54 mi |
| Springbok Solar Farm 2 | Cantil, CA | 404.2 GWh | 54.2 mi |
| Trona Solar III | Trona, CA | 4.9 GWh | 28.8 mi |