Sonoma California Geothermal
10350 Socrates Mine Road, Middletown, CA 95461Plant Summary Information
Sonoma California Geothermal is ranked #5 out of 63 geothermal power plants nationwide in terms of total annual net electricity generation.
Sonoma California Geothermal is comprised of 1 generator and generated 103.9 GWh during the 3-month period between September 2023 to December 2023.
| Plant Name | Sonoma California Geothermal |
|---|---|
| Utility Name | Geysers Power Co LLC |
| Location | Lake County, CA |
| Initial Operation Date | December 1983 |
| Last Update | Dec 2023 |
| Annual Generation | 431.5 GWh |
| Annual Consumption | 1.5 M MMBtu |
| Ranked #1,423 out of 11,852 Power Plants Nationwide | |
| Ranked #5 out of 63 Geothermal Power Plants Nationwide | |
| Ranked #102 out of 1,570 California Power Plants | |
| Ranked #3 out of 30 California Geothermal Power Plants | |
| Fuel Types | Geothermal |
Map of Sonoma California Geothermal
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Sonoma California Geothermal.
Monthly Net Generation for Sonoma California Geothermal
Sonoma California Geothermal Details
| Summary Information | |
|---|---|
| Plant Name | Sonoma California Geothermal (510) |
| Plant Address | 10350 Socrates Mine Road, Middletown, CA 95461 |
| Utility | Geysers Power Co LLC (7160) |
| Latitude, Longitude | 38.7903, -122.7559 |
| Generation Dates on File | Jan 2001 to Dec 2023 |
| Initial Operation Date | December 1983 |
| Annual Generation | 431.5 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 | 98-95-000 |
| 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 | |
| Transmission / Distribution Owner | Pacific Gas & Electric Co (14328) CA |
| Grid Voltage | 230.00 kV |
| Energy Storage | No |
Generator 1 Details Operating December 1983
| Technology | Geothermal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 78 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 50 MW |
| Winter Capacity | 55 MW |
| Minimum Load | 10 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | December 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 |
Sonoma California Geothermal 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 | 4.4 TWh |
| #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 |
| #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 Sonoma California Geothermal.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Aidlin Geothermal Power Plant | Middletown, CA | 77.3 GWh | 7.4 mi |
| ASTI | Cloverdale, CA | 1.3 GWh | 12 mi |
| Beringer | Saint Helena, CA | 1.3 GWh | 24.4 mi |
| Bodega Avenue Solar LLC | Petaluma, CA | 4.1 GWh | 36.6 mi |
| Calistoga Power Plant | Middletown, CA | 465.4 GWh | 0.7 mi |
| Cloverdale Solar Center | Cloverdale, CA | 2.3 GWh | 14.3 mi |
| Cloverdale Solar I | Cloverdale, CA | 1.6 GWh | 14.2 mi |
| Dissigno Healdsburg FPV, LLC | Healdsburg, CA | 5.9 GWh | 15.4 mi |
| Geothermal 1 | Middletown, CA | 250.1 GWh | 3.3 mi |
| Geothermal 2 | Middletown, CA | 296.1 GWh | 3.7 mi |
| Geysers Unit 5-20 | Middletown, CA | 4.4 TWh | 1.1 mi |
| Indian Valley Dam Hydro Project | Clearlake Oaks, CA | 5.9 GWh | 23.2 mi |
| Keysight - Santa Rosa | Santa Rosa, CA | 34.4 GWh | 21.4 mi |
| Laguna Water Reclamation Facility | Santa Rosa, CA | 14.2 GWh | 29.1 mi |
| Lake Mendocino | Ukiah, CA | 11.1 GWh | 36.4 mi |
| Monticello Dam | Winters, CA | 32.4 GWh | 40 mi |
| Santa Rosa Junior College Petaluma Solar | Petaluma, CA | 1.8 GWh | 22.3 mi |
| Sonoma Central Landfill Phase I | Petaluma, CA | 8.1 GWh | 33.8 mi |
| Sonoma Central Landfill Phase II | Petaluma, CA | 6.6 GWh | 33.8 mi |
| Windsor Floating Solar | Windsor, CA | 2.5 GWh | 17.6 mi |