Old Faithful

Old Faithful, Yellowstone, WY 82190

Plant Summary Information

Old Faithful is ranked #6 out of 7 distillate fuel oil power plants in Wyoming in terms of total annual net electricity generation.

Old Faithful is comprised of 2 generators and generated 70.4 MWh during the 3-month period between September 2024 to December 2024.

Plant NameOld Faithful
Utility NameNorthWestern Energy (MT wind/thermal)
LocationTeton County, WY
Initial Operation DateDecember 1979
Last Update Dec 2024
Annual Generation 273.0 MWh
Annual Consumption 3.3 k MMBtu
Ranked #11,607 out of 12,288 Power Plants Nationwide
Ranked #600 out of 1,233 Distillate Fuel Oil Power Plants Nationwide
Ranked #70 out of 73 Wyoming Power Plants
Ranked #6 out of 7 Wyoming Distillate Fuel Oil Power Plants
Fuel Types Distillate Fuel Oil
Previous Operator NorthWestern Energy (2013 to 2020)
NorthWestern Energy (MT wind/thermal) (2021 to 2024)

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Monthly Net Generation for Old Faithful

Old Faithful Details

Summary Information
Plant NameOld Faithful (2196)
Plant AddressOld Faithful, Yellowstone, WY 82190
UtilityNorthWestern Energy (MT wind/thermal) (56815)
Latitude, Longitude44.4533, -110.8347
Generation Dates on FileJan 2003 to Dec 2024
Initial Operation DateDecember 1979
Annual Generation 273.0 MWh
Fuel Types Distillate Fuel Oil
 
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 AuthorityNorthWestern Energy (NWMT) (NWMT)
NAICS CodeUtilities (22)
Sector Electric Utility (1)
Water Source
Ash Impoundment No
Transmission / Distribution OwnerNorthWestern Energy LLC - (MT) (12825) WY
Grid Voltage 50.00 kV
Energy StorageNo

Generator 1 Details Standby December 1979

TechnologyPetroleum Liquids
Prime MoverInternal Combustion Engine
OwnershipSingle Owner
RTO ISO LMP Node DesignationNA
RTO ISO Location Designation For Reporting Wholesale Sales DataNA
Nameplate Capacity1 MW
Nameplate Power Factor0.8
Summer Capacity1 MW
Winter Capacity1 MW
Minimum Load0.3 MW
Uprate/Derate Completed No
StatusStandby
Synchronized To Transmission GridNo
First Operation DateDecember 1979
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceDistillate Fuel Oil
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator 2 Details Standby December 1979

TechnologyPetroleum Liquids
Prime MoverInternal Combustion Engine
OwnershipSingle Owner
Nameplate Capacity1 MW
Nameplate Power Factor0.8
Summer Capacity1 MW
Winter Capacity1 MW
Minimum Load0.3 MW
Uprate/Derate Completed No
StatusStandby
Synchronized To Transmission GridNo
First Operation DateDecember 1979
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceDistillate Fuel Oil
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Old Faithful 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 Distillate Fuel Oil.

RankPlant NamePlant LocationAnnual Generation
#590MilfordMilford, IA283.0 MWh
#591Cascade CreekRochester, MN29.0 GWh
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#593Colchester 16Colchester, VT279.0 MWh
#594Belle Haven Diesel Generation FacilityBelle Haven, VA278.0 MWh
#595Versailles PeakingVersailles, OH278.0 MWh
#596Kingman Municipal Power and Light PlantKingman, KS1.6 GWh
#597Eastside WWTPHigh Point, NC276.0 MWh
#598Santa RosaSanta Rosa, TX275.0 MWh
#599Exelon Framingham LLCFramingham, MA273.0 MWh
#601GalionGalion, OH273.0 MWh
#602Crystal MountainGreenwater, WA270.0 MWh
#603Rock Lake CTPine City, MN270.0 MWh
#604VaqueroHarlingen, TX270.0 MWh
#605Glendive GTGlendive, MT2.6 GWh
#606Villa CavasosBrownsville, TX269.0 MWh
#607Onancock Diesel Generation FacilityOnancock, VA264.0 MWh
#608BreeseBreese, IL263.0 MWh
#609Muscatine Plant #1Muscatine, IA662.5 GWh
#610TolnaNew Freedom, PA260.0 MWh

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Heart MountainCody, WY21.0 GWh84.2 mi
Horse Butte Wind I, LLCIona, ID167.4 GWh86 mi
Island ParkIsland Park, ID17.9 GWh27.8 mi
Lake (WY)Yellowstone, WY515.0 MWh13.1 mi
Madison DamEnnis, MT76.2 GWh81.5 mi
Meadow Creek Project CompanyIdaho Falls, ID325.0 GWh80.3 mi
MysticFishtail, MT53.7 GWh74.9 mi
Palisades DamPalisades, ID744.4 GWh79.5 mi
Shoshone (WY)Cody, WY17.6 GWh81.6 mi
Spirit MountainCody, WY17.3 GWh84.1 mi
Upper Power PlantIdaho Falls, ID44.9 GWh86.7 mi
Wolverine CreekIdaho Falls, ID163.5 GWh86.9 mi