2. U.S. Power Plants
  3. California
  4. Sonoma County, CA
  5. Middletown, CA
  6. Aidlin Geothermal Power Plant

Aidlin Geothermal Power Plant

10350 Socrates Mine Road, Middletown, CA 95425

Plant Summary Information

Aidlin Geothermal Power Plant is ranked #48 out of 62 geothermal power plants nationwide in terms of total annual net electricity generation.

Aidlin Geothermal Power Plant is comprised of 2 generators and generated 19.4 GWh during the 3-month period between September 2023 to December 2023.

Plant NameAidlin Geothermal Power Plant
Utility NameGeysers Power Co LLC
LocationSonoma County, CA
Initial Operation DateMay 1989
Last Update Dec 2023
Annual Generation 77.3 GWh
Annual Consumption 289.2 k MMBtu
Ranked #3,507 out of 11,623 Power Plants Nationwide
Ranked #48 out of 62 Geothermal Power Plants Nationwide
Ranked #390 out of 1,487 California Power Plants
Ranked #24 out of 29 California Geothermal Power Plants
Fuel Types Geothermal

Map of Aidlin Geothermal Power Plant

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Monthly Net Generation for Aidlin Geothermal Power Plant

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Aidlin Geothermal Power Plant Details

Summary Information
Plant NameAidlin Geothermal Power Plant (52158)
Plant Address10350 Socrates Mine Road, Middletown, CA 95425
UtilityGeysers Power Co LLC (7160)
Latitude, Longitude38.8339, -122.881
Generation Dates on FileJan 2001 to Dec 2023
Initial Operation DateMay 1989
Annual Generation 77.3 GWh
Fuel Types Geothermal
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusYes
FERC Small Power Producer Docket Number89-47-002
FERC Exempt Wholesale Generator StatusNo
Regulatory Information
Regulatory StatusNon-Regulated
NERC RegionWECC
Balancing AuthorityCalifornia Independent System Operator (CISO)
NAICS CodeUtilities (22)
Sector IPP Non-CHP (2)
Water SourceWells
Ash Impoundment
Transmission / Distribution OwnerPacific Gas & Electric Co (14328) CA
Grid Voltage 115.00 kV
Energy StorageNo

* Data obtained from the 2023 EIA 860 Report

Generator GEN1 Details Operating May 1989

TechnologyGeothermal
Prime MoverSteam Turbine
OwnershipSingle Owner
Nameplate Capacity12.5 MW
Nameplate Power Factor1
Summer Capacity9 MW
Winter Capacity10 MW
Minimum Load8 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateMay 1989
Combined Heat & Power No
Sector NameIPP Non-CHP (2)
Energy SourceGeothermal
Startup SourceGeothermal
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Subcritical TechnologyYes
Multiple FuelsNo

Generator GEN2 Details Operating May 1989

TechnologyGeothermal
Prime MoverSteam Turbine
OwnershipSingle Owner
Nameplate Capacity12.5 MW
Nameplate Power Factor1
Summer Capacity9 MW
Winter Capacity10 MW
Minimum Load8 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateMay 1989
Combined Heat & Power No
Sector NameIPP Non-CHP (2)
Energy SourceGeothermal
Startup SourceGeothermal
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Subcritical TechnologyYes
Multiple FuelsNo

Aidlin Geothermal Power Plant Plant Owners

Owner NameAddressGeneratorOwnership
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.

RankPlant NamePlant LocationAnnual Generation
#38Don A Campbell 2 GeothermalLuning, NV99.5 GWh
#39Salton Sea Power Gen Co - Unit 2Calipatria, CA98.5 GWh
#40BeowaweBeowawe, NV97.4 GWh
#41Ormesa IIHoltville, CA95.0 GWh
#42BradyFallon, NV95.0 GWh
#43Galena 3 Geothermal Power PlantReno, NV92.1 GWh
#44Desert Peak Power PlantFernley, NV91.9 GWh
#45Raft River Geothermal Power PlantMalta, ID88.6 GWh
#46Stillwater FacilityFallon, NV123.7 GWh
#47San EmidioGerlach, NV83.0 GWh
#49Salton Sea Power Gen Co Unit 1Calipatria, CA75.9 GWh
#50ENEL Salt Wells LLCFallon, NV73.2 GWh
#51Ormesa IIIHoltville, CA68.5 GWh
#52Jersey Valley Geothermal Power PlantImlay, NV66.7 GWh
#53Mammoth G2Mammoth Lakes, CA62.3 GWh
#54Mammoth G1Mammoth lakes, CA57.7 GWh
#55Thermo No 1Milford, UT54.8 GWh
#56Star Peak Geothermal PlantImlay, NV51.8 GWh
#57Steamboat IIIReno, NV45.6 GWh
#58Steamboat IIReno, NV42.1 GWh

Nearby Power Plants

Below are closest 20 power plants surrounding Aidlin Geothermal Power Plant.

Plant NamePlant LocationAnnual GenerationDistance
ASTICloverdale, CA1.3 GWh7.1 mi
BeringerSaint Helena, CA1.3 GWh31.1 mi
Bodega Avenue Solar LLCPetaluma, CA4.1 GWh40.3 mi
Calistoga Power PlantMiddletown, CA468.4 GWh8.1 mi
Cloverdale Solar CenterCloverdale, CA2.3 GWh8.7 mi
Cloverdale Solar ICloverdale, CA1.6 GWh8.5 mi
Dissigno Healdsburg FPV, LLCHealdsburg, CA5.9 GWh17.3 mi
Geothermal 1Middletown, CA389.3 GWh10.4 mi
Geothermal 2Middletown, CA303.1 GWh10.8 mi
Geysers Unit 5-20Middletown, CA4.4 TWh8.3 mi
Keysight - Santa RosaSanta Rosa, CA34.4 GWh26 mi
Laguna Water Reclamation FacilitySanta Rosa, CA14.2 GWh32.7 mi
Lake MendocinoUkiah, CA11.1 GWh30 mi
Santa Rosa Junior College Petaluma SolarPetaluma, CA1.8 GWh26.6 mi
Sonoma California GeothermalMiddletown, CA431.5 GWh7.4 mi
Sonoma Central Landfill Phase IPetaluma, CA8.1 GWh37.5 mi
Sonoma Central Landfill Phase IIPetaluma, CA6.6 GWh37.5 mi
Wadham Energy LPWilliams, CA74.4 GWh45.5 mi
West Ford FlatMiddletown, CA1.0 GWh9.1 mi
Windsor Floating SolarWindsor, CA2.5 GWh20.7 mi