Mammoth G1

85 Casa Diablo, Mammoth lakes, CA 93546

Plant Summary Information

Mammoth G1 is ranked #28 out of 30 geothermal power plants in California in terms of total annual net electricity generation.

Mammoth G1 is comprised of 2 generators and generated 15.3 GWh during the 3-month period between September 2023 to December 2023.

Plant NameMammoth G1
Utility NameOrmat Nevada Inc
LocationMono County, CA
Initial Operation DateDecember 1984
Last Update Dec 2023
Annual Generation 57.7 GWh
Annual Consumption 210.4 k MMBtu
Ranked #3,701 out of 11,835 Power Plants Nationwide
Ranked #54 out of 63 Geothermal Power Plants Nationwide
Ranked #436 out of 1,569 California Power Plants
Ranked #28 out of 30 California Geothermal Power Plants
Fuel Types Geothermal

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Monthly Net Generation for Mammoth G1

Mammoth G1 Details

Summary Information
Plant NameMammoth G1 (10480)
Plant Address85 Casa Diablo, Mammoth lakes, CA 93546
UtilityOrmat Nevada Inc (34691)
Latitude, Longitude37.6451, -118.9143
Generation Dates on FileJan 2001 to Dec 2023
Initial Operation DateDecember 1984
Annual Generation 57.7 GWh
Fuel Types Geothermal
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusYes
FERC Small Power Producer Docket Number83-247-001
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 OwnerSouthern California Edison Co (17609) CA
Grid Voltage 33.00 kV
Energy StorageNo

Generator GEN1 Details Operating December 1984

TechnologyGeothermal
Prime MoverTurbines Used in a Binary Cycle
OwnershipWholly Owned by Other Entity
Nameplate Capacity5 MW
Nameplate Power Factor0.8
Summer Capacity3.3 MW
Winter Capacity5 MW
Minimum Load3.3 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateDecember 1984
Combined Heat & Power No
Sector NameIPP Non-CHP (2)
Energy SourceGeothermal
Solid Fuel Gasification No
Time From Cold Shutdown To Full LoadOVER
Multiple FuelsNo

Generator GEN2 Details Operating December 1984

TechnologyGeothermal
Prime MoverTurbines Used in a Binary Cycle
OwnershipWholly Owned by Other Entity
Nameplate Capacity5 MW
Nameplate Power Factor0.8
Summer Capacity3.3 MW
Winter Capacity5 MW
Minimum Load3.3 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateDecember 1984
Combined Heat & Power No
Sector NameIPP Non-CHP (2)
Energy SourceGeothermal
Solid Fuel Gasification No
Time From Cold Shutdown To Full LoadOVER
Multiple FuelsNo

Mammoth G1 Plant Owners

Owner NameAddressGeneratorOwnership
Mammoth Pacific LPP.O.Box 15843211 Jermantown Road, Mammoth Lakes, CA 93546Generator GEN1100.00%
Mammoth Pacific LPP.O.Box 15843211 Jermantown Road, Mammoth Lakes, CA 93546Generator GEN2100.00%

Power Plants with Similar Net Generation

Power plants with a similar annual net generation from Geothermal.

RankPlant NamePlant LocationAnnual Generation
#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
#48Aidlin Geothermal Power PlantMiddletown, CA77.3 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
#55CE Turbo LLCCalipatria, CA54.8 GWh
#56Thermo No 1Milford, UT54.8 GWh
#57Star Peak Geothermal PlantImlay, NV51.8 GWh
#58Steamboat IIIReno, NV45.6 GWh
#59Steamboat IIReno, NV42.1 GWh
#60Galena 2 Geothermal Power PlantReno, NV38.1 GWh
#61Lightning Dock Geothermal HI-01, LLCAnimas, NM31.2 GWh
#62North Brawley Geothermal PlantBrawley, CA28.2 GWh
#63Whitegrass No. 1Yerington, NV17.7 GWh

Nearby Power Plants

Below are closest 20 power plants surrounding Mammoth G1.

Plant NamePlant LocationAnnual GenerationDistance
Big Creek 1Big Creek, CA393.8 GWh35.3 mi
Big Creek 2Auberry, CA296.2 GWh37.5 mi
Big Creek 2AAuberry, CA537.5 GWh37.5 mi
Bishop Creek 2Bishop, CA35.6 GWh31.8 mi
Bishop Creek 3Bishop, CA26.2 GWh31.6 mi
Bishop Creek 4Bishop, CA49.8 GWh31.7 mi
Bishop Creek 5Bishop, CA13.7 GWh32.1 mi
Bishop Creek 6Bishop, CA9.6 GWh32.1 mi
CD4Mammoth Lakes, CA272.3 GWh0.1 mi
Control GorgeBishop, CA91.0 GWh24.3 mi
LundyLee Vining, CA11.3 GWh30.9 mi
Mammoth G2Mammoth Lakes, CA62.3 GWh0.3 mi
Mammoth G3Mammoth Lakes, CA104.0 GWh0.3 mi
Mammoth PoolNorth Fork, CA561.8 GWh37.4 mi
Middle GorgeBishop, CA98.9 GWh21.1 mi
Pleasant Valley HydroBishop, CA9.2 GWh26.7 mi
PooleLee Vining, CA35.7 GWh26.4 mi
PortalLakeshore, CA21.2 GWh30 mi
Rush CreekJune lake, CA40.4 GWh14.2 mi
Upper GorgeBishop, CA112.2 GWh19 mi