Dave Johnston

1951 Tank Farm Road, Glen Rock, WY 82637

Plant Summary Information

Dave Johnston is ranked #34 out of 129 coal plants nationwide in terms of total annual net electricity generation.

Dave Johnston is comprised of 4 generators and generated 1.1 TWh during the 3-month period between December 2024 to March 2025.

Plant NameDave Johnston
Utility NamePacifiCorp
LocationConverse County, WY
Initial Operation DateFebruary 1959
Last Update Mar 2025
Annual Generation 4.1 TWh
Annual Consumption 51.3 M MMBtu
Ranked #286 out of 11,623 Power Plants Nationwide
Ranked #34 out of 129 Subbituminous Coal Power Plants Nationwide
Ranked #3 out of 69 Wyoming Power Plants
Ranked #3 out of 11 Wyoming Subbituminous Coal Power Plants
Fuel Types Subbituminous Coal : 99.8%

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Monthly Net Generation for Dave Johnston

Dave Johnston Details

Summary Information
Plant NameDave Johnston (4158)
Plant Address1951 Tank Farm Road, Glen Rock, WY 82637
UtilityPacifiCorp (14354)
Latitude, Longitude42.8378, -105.7769
Generation Dates on FileJan 2001 to Mar 2025
Initial Operation DateFebruary 1959
Annual Generation 4.1 TWh
Fuel Types Subbituminous Coal : 99.8%
 
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 AuthorityPacifiCorp - East (PACE)
NAICS CodeUtilities (22)
Sector Electric Utility (1)
Water SourceNorth Platte River
Ash Impoundment Yes   Lined   Operating
Transmission / Distribution OwnerPacifiCorp (14354) WY
Grid Voltage 230.00 kV
Energy StorageNo

Generator 1 Details Operating February 1959

TechnologyConventional Steam Coal
Prime MoverSteam Turbine
OwnershipSingle Owner
Nameplate Capacity113.6 MW
Nameplate Power Factor0.85
Summer Capacity93 MW
Winter Capacity99 MW
Minimum Load45 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateFebruary 1959
Planned RetirementDecember 2027
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceSubbituminous Coal / Distillate Fuel Oil
Startup SourceDistillate Fuel Oil
Solid Fuel Gasification No
Time From Cold Shutdown To Full LoadOVER
Pulverized Coal TechnologyYes
Subcritical TechnologyYes
Multiple FuelsYes

Generator 2 Details Operating January 1961

TechnologyConventional Steam Coal
Prime MoverSteam Turbine
OwnershipSingle Owner
Nameplate Capacity113.6 MW
Nameplate Power Factor0.85
Summer Capacity102 MW
Winter Capacity106 MW
Minimum Load45 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJanuary 1961
Planned RetirementDecember 2027
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceSubbituminous Coal / Distillate Fuel Oil
Startup SourceDistillate Fuel Oil
Solid Fuel Gasification No
Time From Cold Shutdown To Full LoadOVER
Pulverized Coal TechnologyYes
Subcritical TechnologyYes
Multiple FuelsYes

Generator 3 Details Operating December 1964

TechnologyConventional Steam Coal
Prime MoverSteam Turbine
OwnershipSingle Owner
Nameplate Capacity229.5 MW
Nameplate Power Factor0.9
Summer Capacity220 MW
Winter Capacity220 MW
Minimum Load100 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateDecember 1964
Planned RetirementDecember 2027
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceSubbituminous Coal / Distillate Fuel Oil
Startup SourceDistillate Fuel Oil
Solid Fuel Gasification No
Time From Cold Shutdown To Full LoadOVER
Pulverized Coal TechnologyYes
Subcritical TechnologyYes
Multiple FuelsYes

Generator 4 Details Operating July 1972

TechnologyConventional Steam Coal
Prime MoverSteam Turbine
OwnershipSingle Owner
Nameplate Capacity360 MW
Nameplate Power Factor0.9
Summer Capacity330 MW
Winter Capacity330 MW
Minimum Load125 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJuly 1972
Planned RetirementDecember 2027
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceSubbituminous Coal / Distillate Fuel Oil
Startup SourceDistillate Fuel Oil
Solid Fuel Gasification No
Time From Cold Shutdown To Full LoadOVER
Pulverized Coal TechnologyYes
Subcritical TechnologyYes
Multiple FuelsYes

Dave Johnston Plant Owners

Owner NameAddressGeneratorOwnership
We couldn't locate any owners for this plant

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#31WelshPittsburg, TX4.5 TWh
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#33Craig (CO)Craig, CO4.1 TWh
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#36Plum Point Energy StationOsceola, AR3.5 TWh
#37Sandy Creek Energy StationRiesel, TX3.3 TWh
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#39Coleto CreekFannin, TX3.1 TWh
#40Transalta Centralia GenerationCentralia, WA3.1 TWh
#41NewtonNewton, IL3.0 TWh
#42SiouxWest Alton, MO3.7 TWh
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#44CoronadoSt Johns, AZ2.8 TWh

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