2. U.S. Power Plants
  3. Wisconsin
  4. Ozaukee County, WI
  5. Port Washington, WI
  6. Port Washington Generating Station

Port Washington Generating Station

146 South Wisconsin Street, Port Washington, WI 53074

Plant Summary Information

Port Washington Generating Station is ranked #3 out of 261 power plants in Wisconsin in terms of total annual net electricity generation.

Port Washington Generating Station is comprised of 6 generators and generated 2.1 TWh during the 3-month period between May 2026 to August 2026.

Plant NamePort Washington Generating Station
Utility NameWisconsin Electric Power Co
LocationOzaukee County, WI
Initial Operation DateJuly 2005
Last Update Aug 2026
Annual Generation 6.6 TWh
Annual Consumption 50.8 M MMBtu
Ranked #148 out of 13,301 Power Plants Nationwide
Ranked #53 out of 2,218 Natural Gas Power Plants Nationwide
Ranked #3 out of 261 Wisconsin Power Plants
Ranked #1 out of 50 Wisconsin Natural Gas Power Plants
Fuel Types Natural Gas

Map of Port Washington Generating Station

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Monthly Net Generation for Port Washington Generating Station

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Monthly Plant Fuel Consumption for Port Washington Generating Station

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Port Washington Generating Station Details

Summary Information
Plant NamePort Washington Generating Station (4040)
Plant Address146 South Wisconsin Street, Port Washington, WI 53074
UtilityWisconsin Electric Power Co (20847)
Latitude, Longitude43.3842, -87.8689
Generation Dates on FileJan 2001 to Aug 2026
Initial Operation DateJuly 2005
Annual Generation 6.6 TWh
Fuel Types Natural Gas
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusNo
FERC Exempt Wholesale Generator StatusNo
Regulatory Information
Regulatory StatusRegulated
NERC RegionRFC
Balancing AuthorityMidcontinent Independent Transmission System Operator, Inc.. (MISO)
NAICS CodeUtilities (22)
Sector Electric Utility (1)
Water SourceLake Michigan
Ash Impoundment No
Transmission / Distribution OwnerAmerican Transmission Co (659) WI
Grid Voltage 138.00 kV
Energy StorageNo
 
Natural Gas Information
Pipeline Name ANR PIPELINE COMPANY
Natural Gas StorageNo

* Data obtained from the 2025 EIA 860 Report

Generator 2CT1 Details Operating July 2005

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Combustion Turbine Part
Unit CodePWG2
OwnershipWholly Owned by Other Entity
Can Bypass Heat Recovery Steam GeneratorNo
RTO ISO LMP Node DesignationWEC.CC.PORTW2
RTO ISO Location Designation For Reporting Wholesale Sales DataWEC.CC.PORTW2
Nameplate Capacity173.1 MW
Nameplate Power Factor0.85
Summer Capacity174.8 MW
Winter Capacity204.2 MW
Minimum Load101 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJuly 2005
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Planned Net Summer Capacity Uprate25 MW
Planned UprateMay 2028
Other Planned ModificationsNo
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator 2CT2 Details Operating July 2005

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Combustion Turbine Part
Unit CodePWG2
OwnershipWholly Owned by Other Entity
Can Bypass Heat Recovery Steam GeneratorNo
RTO ISO LMP Node DesignationWEC.CC.PORTW2
RTO ISO Location Designation For Reporting Wholesale Sales DataWEC.CC.PORTW2
Nameplate Capacity173.1 MW
Nameplate Power Factor0.85
Summer Capacity174.9 MW
Winter Capacity204.5 MW
Minimum Load101 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJuly 2005
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Planned Net Summer Capacity Uprate25 MW
Planned UprateMay 2028
Other Planned ModificationsNo
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator ST2 Details Operating July 2005

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Steam Part
Unit CodePWG2
OwnershipWholly Owned by Other Entity
Duct BurnersYes
RTO ISO LMP Node DesignationWEC.CC.PORTW2
RTO ISO Location Designation For Reporting Wholesale Sales DataWEC.CC.PORTW2
Nameplate Capacity268.6 MW
Nameplate Power Factor0.85
Summer Capacity264.7 MW
Winter Capacity264.3 MW
Minimum Load131 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJuly 2005
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Subcritical TechnologyYes
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator 1CT1 Details Operating May 2008

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Combustion Turbine Part
Unit CodePWG1
OwnershipWholly Owned by Other Entity
Can Bypass Heat Recovery Steam GeneratorNo
RTO ISO LMP Node DesignationWEC.CC.PORTW1
RTO ISO Location Designation For Reporting Wholesale Sales DataWEC.CC.PORTW1
Nameplate Capacity173.1 MW
Nameplate Power Factor0.85
Summer Capacity178.2 MW
Winter Capacity207 MW
Minimum Load101 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateMay 2008
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Planned Net Summer Capacity Uprate25 MW
Planned UprateFebruary 2028
Other Planned ModificationsNo
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator 1CT2 Details Operating May 2008

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Combustion Turbine Part
Unit CodePWG1
OwnershipWholly Owned by Other Entity
Can Bypass Heat Recovery Steam GeneratorNo
RTO ISO LMP Node DesignationWEC.CC.PORTW1
RTO ISO Location Designation For Reporting Wholesale Sales DataWEC.CC.PORTW1
Nameplate Capacity173.1 MW
Nameplate Power Factor0.85
Summer Capacity178.8 MW
Winter Capacity207 MW
Minimum Load101 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateMay 2008
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Planned Net Summer Capacity Uprate25 MW
Planned UprateFebruary 2028
Other Planned ModificationsNo
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator ST1 Details Operating May 2008

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Steam Part
Unit CodePWG1
OwnershipWholly Owned by Other Entity
Duct BurnersYes
RTO ISO LMP Node DesignationWEC.CC.PORTW1
RTO ISO Location Designation For Reporting Wholesale Sales DataWEC.CC.PORTW1
Nameplate Capacity268.6 MW
Nameplate Power Factor0.85
Summer Capacity265.1 MW
Winter Capacity265.2 MW
Minimum Load131 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateMay 2008
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Subcritical TechnologyYes
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Port Washington Generating Station Plant Owners

Owner NameAddressGeneratorOwnership
We Power231 W. Michigan Ave., Milwaukee, WI 53203Generator 1CT1100.00%
We Power231 W. Michigan Ave., Milwaukee, WI 53203Generator 1CT2100.00%
We Power231 W. Michigan Ave., Milwaukee, WI 53203Generator 2CT1100.00%
We Power231 W. Michigan Ave., Milwaukee, WI 53203Generator 2CT2100.00%
We Power231 W. Michigan Ave., Milwaukee, WI 53203Generator ST1100.00%
We Power231 W. Michigan Ave., Milwaukee, WI 53203Generator ST2100.00%

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#49Lake Charles PowerWest Lake, LA6.9 TWh
#50Cricket Valley EnergyDover, NY6.8 TWh
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#55Big BendApollo Beach, FL6.5 TWh
#56Jackson Generation, LLCElwood, IL6.5 TWh
#57CPV Three Rivers Energy CenterMorris, IL6.5 TWh
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#61Blue Water Energy CenterEast China, MI6.4 TWh
#62ChouteauPryor, OK6.3 TWh
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Nearby Power Plants

Below are closest 20 power plants surrounding Port Washington Generating Station.

Plant NamePlant LocationAnnual GenerationDistance
ATICudahy, WI2.9 GWh30.4 mi
Auburn Solar WI, LLCCampbellsport, WI8.9 GWh23.8 mi
Butler RidgeMayville, WI138.1 GWh30.8 mi
Cedar RidgeEden, WI184.8 GWh31.4 mi
City of Milwaukee LandfillMilwaukee, WI3.2 GWh31.1 mi
EdgewaterSheboygan, WI2.0 TWh24.3 mi
GermantownGermantown, WI33.3 GWh19.2 mi
Harley-Davison Powertrain OperationsMenomonee Falls, WI2.6 GWh18 mi
IKEA Oak Creek Rooftop PV SystemOak Creek, WI1.5 GWh33.4 mi
Jackson Solar WI, LLCCedarburg, WI11.8 GWh12.3 mi
Kohler SolarKohler, WI2.9 GWh25.6 mi
Lannon StonePewaukee, WI3.7 GWh26.3 mi
MMSD Jones Island WastewaterMilwaukee, WI82.3 GWh25.1 mi
Omega Hills Gas RecoveryGermantown, WI77.6 GWh19.7 mi
Onion RiverSheboygan Cedar Grove, WI256.3 GWh15 mi
Regal WareWest Bend, WI2.8 GWh15.8 mi
Sheboygan FallsSheboygan, WI452.5 GWh25.4 mi
Springfield Solar (WI)Lomira, WI206.7 GWh32.5 mi
Valley (WI)Milwaukee, WI304.7 GWh24.6 mi
Washington CountyWest Bend, WI3.7 GWh15 mi