Darien Solar

☀ SolarElectric Utility
Capacitynameplate
Annual GenerationEPA eGRID
Capacity Factor
Annual CO₂metric tons

Location

Plant NameDarien Solar
OperatorWisconsin Electric Power Co
CityDarien
CountyRock County
StateWisconsin
ZIP53114
Coordinates42.62000, -88.74000

Generators (2)

IDTechnologyFuelCapacityStatusOnline
1Solar PhotovoltaicSolar250 MWUnder Construction
2BatteriesBattery75.0 MWIndef Postponed

Ownership

OwnerLocationShare
Wisconsin Electric Power CoMilwaukee, WI7500.0%
Wisconsin Public Service CorpMilwaukee, WI1500.0%
Madison Gas & Electric CoMadison, WI1000.0%

Ownership reported to EIA Form 860. Percentages reflect reported generator-level ownership share, averaged when a plant has multiple generators.

Grid context

NERC RegionMRO
Balancing AuthorityMidcontinent Independent Transmission System Operator, Inc..

What this means

Utility-scale solar farms convert sunlight directly into electricity using photovoltaic panels. They produce zero direct emissions and have no fuel cost, but generation is variable — peaking at midday and falling to zero at night. Capacity factors typically run 18–28% in good locations.

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