Projects in Marathon County
Explore the projects below to understand what’s being proposed in Marathon County.
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This is currently the most prominent large-scale energy project in Marathon County.
Project details (according to Alliant Energy’s website)
· Proposed size: approximately 150 MW
· Estimated turbines: 28-38 industrial wind turbines
Proposed locations:
Town of Brighton
Town of Eau Pleine
Town of Cleveland
Town of McMillan
Town of Day
Town of Green Valley
· Expected annual generation: about 450,000 MWh
· Estimated homes powered: roughly 45,000 homes
· Current status: pre-application development stage
· Planned PSC filing: 2026
· Earliest construction: 2028
· Earliest operation: 2029
The project has become the focus of Marathon County’s newly formed Alternative Energy Project Local Impact Advisory Committee, which is currently evaluating issues such as road use, public impacts, revenue sharing, local agreements, and potential Joint Development Agreements (JDAs).
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