by Tyler Huebner, Contributor

Last week at its Open Meeting, the Wisconsin Public Service Commission approved five interrelated cases that will lead to a five-fold expansion of solar energy in Wisconsin.

The PSC approved:

  • The Badger Hollow Solar Farm project in Iowa County, totaling 300 megawatts. Badger Hollow could become the largest solar electric plant in the Midwest when completed. In addition, the PSC approved a “tie line” that will deliver Badger Hollow’s output to a nearby substation, where it will be injected into the existing southwest Wisconsin grid.
  • The Two Creeks Solar Project in Manitowoc County, totaling 150 megawatts. As with Badger Hollow, the PSC also approved a “tie line” that will deliver Two Creeks’ output to a nearby substation.
  • Finally, the PSC approved an application from two Wisconsin utilities, Wisconsin Public Service based in Green Bay and Madison Gas & Electric, to acquire a total of 300 megawatts of this new solar capacity. The utilities will acquire the entire Two Creeks Solar Farm and a 150 MW share of the Badger Hollow Solar Farm.

By RENEW Wisconsin’s estimates, the state of Wisconsin closed 2018 with about 103 megawatts of solar power, about 80% of that residing on homes and buildings, directly serving the customers who bought the solar arrays.

When completed, the 450 megawatts of solar would produce about 1.3% of Wisconsin’s annual electricity consumption, and supply electricity equivalent to the usage of about 116,500 Wisconsin homes. Both projects should be operational by mid-2021.


The approvals build momentum for large-scale solar as a resource for power suppliers and utilities in Wisconsin.

  • Three weeks ago, Dairyland Power Cooperative announced a commitment to purchase electricity from a 149 megawatt solar facility called Badger State Solar that would be located in Jefferson County. That project is subject to PSC approval as well.
  • On April 10, the Richland County Board of Zoning gave final, and unanimous, approval to the 49.9 megawatt Richland County Solar Project developed by Savion Energy to be located in the Town of Buena Vista.
  • In 2017, WPPI Energy announced it would purchase power from a 100 megawatt solar project near the Point Beach Nuclear Station. That project also will seek PSC approval in 2019.

Taken together, these five new solar projects account for approximately 749 megawatts of new solar power.  If all are approved and built, they would supply 2.1% of Wisconsin’s annual electricity needs, and produce enough power to equal the annual usage of about 185,000 homes in Wisconsin. Beyond these projects, at least 4,000 megawatts of additional large-scale solar projects are being explored and developed in Wisconsin.  

Tyler Huebner is the Executive Director of RENEW Wisconsin. This article was first published by RENEW Wisconsinfxqydtyybadtwtsurwxtdytvyzstwyvtacvfab and was reprinted with permission. 



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