Darien Solar

N9550 Creek Road, Darien, WI 53114

Plant Summary Information

Darien Solar is ranked #19 out of 260 power plants in Wisconsin in terms of total annual net electricity generation.

Darien Solar generated 111.6 GWh during the 3-month period between February 2026 to May 2026.

Plant NameDarien Solar
Utility NameWisconsin Electric Power Co
LocationRock County, WI
Initial Operation DateMarch 2025
Last Update May 2026
Annual Generation 366.3 GWh
Annual Consumption 1.4 M MMBtu
Ranked #1,757 out of 13,081 Power Plants Nationwide
Ranked #227 out of 7,015 Solar Power Plants Nationwide
Ranked #19 out of 260 Wisconsin Power Plants
Ranked #2 out of 112 Wisconsin Solar Power Plants
Fuel Types Solar

Map of Darien Solar

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Monthly Net Generation for Darien Solar

Monthly Plant Fuel Consumption for Darien Solar

Darien Solar Details

Summary Information
Plant NameDarien Solar (64534)
Plant AddressN9550 Creek Road, Darien, WI 53114
UtilityWisconsin Electric Power Co (20847)
Latitude, Longitude42.62, -88.74
Generation Dates on FileMar 2025 to May 2026
Initial Operation DateMarch 2025
Annual Generation 366.3 GWh
Fuel Types Solar
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusNo
FERC Exempt Wholesale Generator StatusNo
Regulatory Information
Regulatory StatusRegulated
NERC RegionMRO
Balancing AuthorityMidcontinent Independent Transmission System Operator, Inc.. (MISO)
NAICS CodeUtilities (22)
Sector Electric Utility (1)
Water Source
Ash Impoundment No
Transmission / Distribution OwnerAmerican Transmission Co (659)
Grid Voltage 138.00 kV
Energy StorageNo

Generator 1 Details Operating March 2025

TechnologySolar Photovoltaic
Prime MoverPhotovoltaic
OwnershipJointly Owned
Nameplate Capacity250 MW
Summer Capacity250 MW
Winter Capacity250 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateMarch 2025
Sector NameElectric Utility (1)
Energy SourceSolar
Solar Details
Single Axis TrackingYes
BifacialYes
DC Net Capacity324.7 MW
Crystalline SiliconYes
Net Metering AgreementNo
Virtual Net Metering AgreementNo

Darien Solar Plant Owners

Owner NameAddressOwnership
Madison Gas & Electric Co133 South Blair Street, Madison, WI 5370110.00%
Wisconsin Electric Power Co231 W. Michigan Street, Milwaukee, WI 5320375.00%
Wisconsin Public Service Corp231 W. Michigan Street, Milwaukee, WI 5320315.00%
Madison Gas & Electric Co133 South Blair Street, Madison, WI 5370110.00%
Wisconsin Electric Power Co231 W. Michigan Street, Milwaukee, WI 5320375.00%
Wisconsin Public Service Corp231 W. Michigan Street, Milwaukee, WI 5320315.00%

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#226Lund Hill SolarBickleton, WA366.7 GWh
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#232Hardy Hills Solar Energy LLCFrankfort, IN359.5 GWh
#233Castle Gap Solar HybridMcCarney, TX359.0 GWh
#234Diver Solar, LLCThornton, TX359.2 GWh
#235Skeleton Creek Energy Center HybridCarrier, OK1.3 TWh
#236Camilla Solar Energy ProjectCamilla, GA359.0 GWh
#237Imperial Solar Energy Center WestSeeley, CA357.0 GWh

Nearby Power Plants

Below are closest 20 power plants surrounding Darien Solar.

Plant NamePlant LocationAnnual GenerationDistance
9521 US 14 SOLAR 1, LLCHarvard, IL3.6 GWh12.8 mi
Alden Road Harvard Solar 1Harvard, IL4.2 GWh19.5 mi
All World Solar FacilityRoscoe, IL3.2 GWh17.1 mi
Ameresco JanesvilleJanesville, WI3.1 GWh15.5 mi
Beloit Memorial Hospital Power PlantBeloit, WI147.0 MWh14.5 mi
Hackbarth Solar WI, LLCFort Atkinson, WI8.9 GWh19.8 mi
HQC Rock River Solar Power Gen StationBeloit, WI3.0 GWh15.2 mi
Janesville Community SolarJanesville, WI2.6 GWh16.1 mi
La Grange Solar Partners, LLCElkhorn, WI405.0 MWh14.6 mi
LaFayette Solar WI, LLCElkhorn, WI10.2 GWh11.9 mi
Lawrence Solar 1 LLCHarvard, IL3.6 GWh12 mi
Lawrence Solar 2 LLCHarvard, IL3.7 GWh12 mi
Lobelia 1Harvard, IL4.6 GWh12.7 mi
Paddock SolarBeloit, WI134.6 GWh18.3 mi
Riverside Energy CenterBeloit, WI3.5 TWh15.3 mi
Rock County Customer Hosted SolarJanesville, WI1.6 GWh16 mi
Route 76 Boone Solar 1Poplar Grove, IL4.1 GWh14.9 mi
Spring Brook Solar WI, LLCWhitewater, WI630.0 MWh11.5 mi
West Riverside Energy CenterBeloit, WI4.2 TWh15.5 mi
Whitewater Generating StationWhitewater, WI441.5 GWh16.3 mi