Geothermal 1

12000 Ridge Road, Middletown, CA 95461

Plant Summary Information

Geothermal 1 is ranked #24 out of 63 geothermal power plants nationwide in terms of total annual net electricity generation.

Geothermal 1 is comprised of 2 generators and generated 83.3 GWh during the 3-month period between July 2024 to October 2024.

Plant NameGeothermal 1
Utility NameNorthern California Power Agny
LocationSonoma County, CA
Initial Operation DateJanuary 1983
Last Update Oct 2024
Annual Generation 243.9 GWh
Annual Consumption 954.0 k MMBtu
Ranked #2,078 out of 11,866 Power Plants Nationwide
Ranked #24 out of 63 Geothermal Power Plants Nationwide
Ranked #227 out of 1,571 California Power Plants
Ranked #19 out of 30 California Geothermal Power Plants
Fuel Types Geothermal

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Monthly Net Generation for Geothermal 1

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Geothermal 1 Details

Summary Information
Plant NameGeothermal 1 (7368)
Plant Address12000 Ridge Road, Middletown, CA 95461
UtilityNorthern California Power Agny (40613)
Latitude, Longitude38.752, -122.7195
Generation Dates on FileJan 2002 to Oct 2024
Initial Operation DateJanuary 1983
Annual Generation 243.9 GWh
Fuel Types Geothermal
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusNo
FERC Exempt Wholesale Generator StatusNo
Regulatory Information
Regulatory StatusRegulated
NERC RegionWECC
Balancing AuthorityCalifornia Independent System Operator (CISO)
NAICS CodeUtilities (22)
Sector Electric Utility (1)
Water SourceGeothermal Condensate
Ash Impoundment No
Transmission / Distribution OwnerPacific Gas & Electric Co (14328) CA
Grid Voltage 230.00 kV
Energy StorageNo

Generator 1 Details Operating January 1983

TechnologyGeothermal
Prime MoverSteam Turbine
OwnershipSingle Owner
Nameplate Capacity55 MW
Nameplate Power Factor0.86
Summer Capacity30 MW
Winter Capacity32 MW
Minimum Load10 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJanuary 1983
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceGeothermal
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Multiple FuelsNo
Cofire FuelsNo

Generator 2 Details Operating January 1983

TechnologyGeothermal
Prime MoverSteam Turbine
OwnershipSingle Owner
Nameplate Capacity55 MW
Nameplate Power Factor0.86
Summer Capacity30 MW
Winter Capacity32 MW
Minimum Load10 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJanuary 1983
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceGeothermal
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Multiple FuelsNo
Cofire FuelsNo

Geothermal 1 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
#14Coso Power DevelopersInyokern, CA323.0 GWh
#15Salton Sea Power Gen Co - Unit 4Calipatria, CA319.7 GWh
#16Tungsten MountainFallon, NV345.7 GWh
#17Del Ranch CompanyCalipatria, CA311.2 GWh
#18Salton Sea Power LLC - Unit 5Calipatria, CA302.8 GWh
#19Coso Energy DevelopersInyokern, CA277.3 GWh
#20CD4Mammoth Lakes, CA272.3 GWh
#21Vulcan-BN Geothermal Power CompanyCalipatria, CA259.4 GWh
#22Heber GeothermalHeber, CA250.1 GWh
#23BlundellMilford, UT248.2 GWh
#25Steamboat Hills LPReno, NV235.6 GWh
#26North ValleyGerlach, NV212.1 GWh
#27NGP Blue Mountain I LLCWinnemucca, NV193.9 GWh
#28Puna Geothermal Venture IPahoa, HI192.6 GWh
#29Neal Hot Springs Geothermal ProjectVale, OR176.0 GWh
#30Enel Cove FortCove Fort, UT155.0 GWh
#31Tuscarora Geothermal Power PlantTuscarora, NV125.8 GWh
#32Don A Campbell 1 GeothermalGabbs, NV118.8 GWh
#33Soda Lake 3Fallon, NV113.7 GWh
#34Patua Acquisition Project, LLCHazen, NV137.1 GWh

Nearby Power Plants

Below are closest 20 power plants surrounding Geothermal 1.

Plant NamePlant LocationAnnual GenerationDistance
Aidlin Geothermal Power PlantMiddletown, CA77.3 GWh10.4 mi
ASTICloverdale, CA1.3 GWh13.8 mi
BeringerSaint Helena, CA1.3 GWh21.1 mi
Bodega Avenue Solar LLCPetaluma, CA4.1 GWh33.9 mi
Calistoga Power PlantMiddletown, CA463.8 GWh2.8 mi
Cloverdale Solar CenterCloverdale, CA2.3 GWh16.3 mi
Cloverdale Solar ICloverdale, CA1.6 GWh16.1 mi
Dissigno Healdsburg FPV, LLCHealdsburg, CA5.9 GWh14 mi
Geothermal 2Middletown, CA325.5 GWh0.5 mi
Geysers Unit 5-20Middletown, CA4.4 TWh2.2 mi
Indian Valley Dam Hydro ProjectClearlake Oaks, CA5.9 GWh24.7 mi
Keysight - Santa RosaSanta Rosa, CA34.4 GWh18.7 mi
Laguna Water Reclamation FacilitySanta Rosa, CA14.2 GWh26.6 mi
Monticello DamWinters, CA32.4 GWh37.1 mi
Santa Rosa Junior College Petaluma SolarPetaluma, CA1.8 GWh19.6 mi
Sonoma California GeothermalMiddletown, CA431.5 GWh3.3 mi
Sonoma Central Landfill Phase IPetaluma, CA8.1 GWh31.2 mi
Sonoma Central Landfill Phase IIPetaluma, CA6.6 GWh31.2 mi
Stage Gulch SolarPetaluma, CA1.6 GWh38.2 mi
Windsor Floating SolarWindsor, CA2.5 GWh15.6 mi