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Sinnissippi Solar Project: Public Notification

Sinnissippi Solar Project: Public Notification

The Public Service Commission of Wisconsin (PSC) has received an application from Sinnissippi Solar Energy, LLC for a new 100 MW solar electric generating facility in the towns of Watertown, Ixonia, and Concord.

Please note that this project review and the upcoming environmental assessment are being conducted and managed entirely by the state through the Public Service Commission and the Department of Natural Resources (DNR).

Please click the link to see the attached letter for full details: SINISSIPPI APPLICATION.pdf

Letter From the Public Service Commission regarding the project covers: 

  • Maps of the proposed facility areas.

  • Information on the state's environmental review process.

  • Instructions on how to submit public comments directly to the state by the May 15, 2026 deadline

You can also find more information or file comments by visiting the PSC website at https://psc.wi.gov and searching for Docket 9823-CE-100