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We Energies and Wisconsin Public Service proposing state's largest renewable energy project

Christian Fernsby |
We Energies and Wisconsin Public Service, the largest utilities in WEC Energy Group, are proposing to purchase the Koshkonong Solar Energy Center, a planned 465-megawatt (MW) solar and battery storage project in south-central Wisconsin.

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Topics: WE ENERGIES    WISCONSIN   

If approved, the project would be the largest renewable energy project in the state.

The Koshkonong Solar Energy Center would feature 300 MW of solar generation and 165 MW of battery storage, which can store solar-generated power and provide customers with "sunshine after sunset."

The project is planned to be built in Dane County, Wisconsin, southeast of Madison. The total investment is expected to be $649 million.

This is the third large-scale solar and battery project announced in 2021 by We Energies and WPS. Earlier this year, the companies announced plans for the 325-MW Darien Solar Energy Center and 310-MW Paris Solar-Battery Park.

Koshkonong is part of WEC Energy Group's plan to invest nearly $2 billion in new solar, wind and battery storage projects at its utilities by 2025.

The companies filed the Koshkonong solar and battery storage proposal this week with the Public Service Commission of Wisconsin. We Energies and WPS would own 90 percent of the project. Madison Gas and Electric would own the other 10 percent.

The project is being developed by Invenergy. If approved, construction is expected to begin in late 2022 with commercial operation in 2024.


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