Geysers Unit 5-20
10350 Socrates Mine Road, Middletown, CA 95461Plant Summary Information
Geysers Unit 5-20 is ranked #1 out of 63 geothermal power plants nationwide in terms of total annual net electricity generation.
Geysers Unit 5-20 is comprised of 12 generators and generated 1.1 TWh during the 3-month period between June 2024 to September 2024.
| Plant Name | Geysers Unit 5-20 |
|---|---|
| Utility Name | Geysers Power Co LLC |
| Location | Sonoma County, CA |
| Initial Operation Date | April 1971 |
| Last Update | Sep 2024 |
| Annual Generation | 4.4 TWh |
| Annual Consumption | 16.2 M MMBtu |
| Ranked #253 out of 11,852 Power Plants Nationwide | |
| Ranked #1 out of 63 Geothermal Power Plants Nationwide | |
| Ranked #4 out of 1,570 California Power Plants | |
| Ranked #1 out of 30 California Geothermal Power Plants | |
| Fuel Types | Geothermal |
Map of Geysers Unit 5-20
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Geysers Unit 5-20.
Monthly Net Generation for Geysers Unit 5-20
Geysers Unit 5-20 Details
| Summary Information | |
|---|---|
| Plant Name | Geysers Unit 5-20 (286) |
| Plant Address | 10350 Socrates Mine Road, Middletown, CA 95461 |
| Utility | Geysers Power Co LLC (7160) |
| Latitude, Longitude | 38.777, -122.745 |
| Generation Dates on File | Jan 2001 to Sep 2024 |
| Initial Operation Date | April 1971 |
| Annual Generation | 4.4 TWh |
| Fuel Types | Geothermal |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | Yes |
| FERC Exempt Wholesale Generator Docket Number | 99-109-000 |
| 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 | |
| Transmission / Distribution Owner | Pacific Gas & Electric Co (14328) CA |
| Grid Voltage | 230.00 kV |
| Energy Storage | No |
Generator U5 Details Operating April 1971
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 55 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 45 MW |
| Winter Capacity | 50 MW |
| Minimum Load | 20 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | April 1971 |
|---|---|
| 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 |
| Subcritical Technology | Yes |
| Multiple Fuels | No |
Generator U6 Details Operating April 1971
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 55 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 45 MW |
| Winter Capacity | 50 MW |
| Minimum Load | 20 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | April 1971 |
|---|---|
| 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 |
| Subcritical Technology | Yes |
| Multiple Fuels | No |
Generator U7 Details Operating July 1972
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 55 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 40 MW |
| Winter Capacity | 42 MW |
| Minimum Load | 20 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | July 1972 |
|---|---|
| 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 |
| Subcritical Technology | Yes |
| Multiple Fuels | No |
Generator U8 Details Operating July 1972
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 55 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 40 MW |
| Winter Capacity | 42 MW |
| Minimum Load | 20 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | July 1972 |
|---|---|
| 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 |
| Subcritical Technology | Yes |
| Multiple Fuels | No |
Generator U11 Details Operating December 1975
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 110 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 68 MW |
| Winter Capacity | 68 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | December 1975 |
|---|---|
| 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 |
| Subcritical Technology | Yes |
| Multiple Fuels | No |
Generator U12 Details Operating August 1979
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 110 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 51 MW |
| Winter Capacity | 56 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | August 1979 |
|---|---|
| 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 |
| Subcritical Technology | Yes |
| Multiple Fuels | No |
Generator U14 Details Operating February 1980
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 113 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 60 MW |
| Winter Capacity | 62 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | February 1980 |
| 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 |
| Subcritical Technology | Yes |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator U13 Details Operating April 1980
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 138 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 65 MW |
| Winter Capacity | 68 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | April 1980 |
| 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 |
| Subcritical Technology | Yes |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator U17 Details Operating November 1982
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 118 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 60 MW |
| Winter Capacity | 65 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | November 1982 |
| 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 |
| Subcritical Technology | Yes |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator U18 Details Operating November 1983
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 118 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 60 MW |
| Winter Capacity | 60 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | November 1983 |
|---|---|
| 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 |
| Subcritical Technology | Yes |
| Multiple Fuels | No |
Generator U16 Details Operating October 1985
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 118 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 60 MW |
| Winter Capacity | 60 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | October 1985 |
| 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 |
| Subcritical Technology | Yes |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator U20 Details Operating October 1985
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 118 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 50 MW |
| Winter Capacity | 50 MW |
| Minimum Load | 22 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | October 1985 |
|---|---|
| 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 |
| Subcritical Technology | Yes |
| Multiple Fuels | No |
Geysers Unit 5-20 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 |
|---|---|---|---|
| #2 | McGinness Hills | Austin, NV | 642.5 GWh |
| #3 | McGinness Hills 3 | Austin, NV | 530.9 GWh |
| #4 | Calistoga Power Plant | Middletown, CA | 465.4 GWh |
| #5 | Sonoma California Geothermal | Middletown, CA | 431.5 GWh |
| #6 | John L. Featherstone Plant | Calipatria, CA | 408.3 GWh |
| #7 | Dixie Valley | Fallon, NV | 406.2 GWh |
| #8 | Coso Finance Partners | Inyokern, CA | 389.0 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 | Coso Power Developers | Inyokern, CA | 327.8 GWh |
| #13 | Second Imperial Geothermal | Heber, CA | 326.6 GWh |
| #14 | Tungsten Mountain | Fallon, NV | 349.2 GWh |
| #15 | Salton Sea Power Gen Co - Unit 4 | Calipatria, CA | 319.7 GWh |
| #16 | Del Ranch Company | Calipatria, CA | 311.2 GWh |
| #17 | Salton Sea Power LLC - Unit 5 | Calipatria, CA | 302.8 GWh |
| #18 | Geothermal 2 | Middletown, CA | 296.1 GWh |
| #19 | Coso Energy Developers | Inyokern, CA | 277.3 GWh |
| #20 | CD4 | Mammoth Lakes, CA | 272.3 GWh |
| #21 | Vulcan-BN Geothermal Power Company | Calipatria, CA | 259.4 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Geysers Unit 5-20.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Aidlin Geothermal Power Plant | Middletown, CA | 77.3 GWh | 8.3 mi |
| ASTI | Cloverdale, CA | 1.3 GWh | 12.5 mi |
| Beringer | Saint Helena, CA | 1.3 GWh | 23.3 mi |
| Bodega Avenue Solar LLC | Petaluma, CA | 4.1 GWh | 35.6 mi |
| Calistoga Power Plant | Middletown, CA | 465.4 GWh | 0.8 mi |
| Cloverdale Solar Center | Cloverdale, CA | 2.3 GWh | 14.9 mi |
| Cloverdale Solar I | Cloverdale, CA | 1.6 GWh | 14.7 mi |
| Dissigno Healdsburg FPV, LLC | Healdsburg, CA | 5.9 GWh | 14.8 mi |
| Geothermal 1 | Middletown, CA | 250.1 GWh | 2.2 mi |
| Geothermal 2 | Middletown, CA | 296.1 GWh | 2.6 mi |
| Indian Valley Dam Hydro Project | Clearlake Oaks, CA | 5.9 GWh | 23.7 mi |
| Keysight - Santa Rosa | Santa Rosa, CA | 34.4 GWh | 20.5 mi |
| Laguna Water Reclamation Facility | Santa Rosa, CA | 14.2 GWh | 28.2 mi |
| Lake Mendocino | Ukiah, CA | 11.1 GWh | 37.5 mi |
| Monticello Dam | Winters, CA | 32.4 GWh | 39.1 mi |
| Santa Rosa Junior College Petaluma Solar | Petaluma, CA | 1.8 GWh | 21.3 mi |
| Sonoma California Geothermal | Middletown, CA | 431.5 GWh | 1.1 mi |
| Sonoma Central Landfill Phase I | Petaluma, CA | 8.1 GWh | 32.8 mi |
| Sonoma Central Landfill Phase II | Petaluma, CA | 6.6 GWh | 32.8 mi |
| Windsor Floating Solar | Windsor, CA | 2.5 GWh | 16.9 mi |