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The Towns of Deerfield, Hancock, Oasis, and Plainfield in Waushara County, Wisconsin
Docket ID: 9825-CE-100
Application of Dawn Break Solar, LLC for a Certificate of Public Convenience and Necessity to Construct Solar Electric Generation Facilities Capable of Generating Up to 180 MW, a Generator Tie Line, Collector Systems, a Project Substation, and a Battery Energy Storage System in the Towns of Oasis, Hancock, Plainfield, and Deerfield, Waushara County, Wisconsin
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Application Summary
Overview
Dawn Break Solar, LLC, a wholly owned subsidiary of D.E. Shaw Renewable Investments (DESRI), is seeking approval to construct a solar energy generating facility with a generating capacity of 180 MWac (megawatt alternating current) in the Towns of Oasis, Hancock, Plainfield, and Deerfield, Waushara County, Wisconsin. The project study area that was evaluated is approximately 2,402 acres, of which, the proposed project arrays make up 915 acres, and the alternative project arrays make up 595 acres. The major components of the proposed project include solar photovoltaic (PV) panels, a 180 megawatt (MW) Battery Energy Storage System (BESS), inverters, approximately 42.3 miles of underground 34.5 kilovolt (kV) collector circuits for both the proposed and alternative array areas, a 138kV project substation, an approximately 0.08-mile 138 kV gen-tie transmission line to connect to the project substation, access roads, and an operation and maintenance building. The project BESS would be located on 5.17 acres adjacent to the project substation. The proposed project includes 15 fenced array areas, with 11 proposed array area sites and 4 alternative array area sites that would be separately fenced. Array areas can be identified by their fence boundary identification number.
Applicant Stated Need
This project is proposed by an independent power producer. Therefore, the need for the project is not reviewed by the Commission.
Estimated Cost
This project is proposed by an independent power producer. Therefore, the Commission does not review the project cost. The cost to Wisconsin utilities, and ratepayers, would be reviewed if the facility or power from the facility is purchased by Wisconsin utilities.
Project Location
The proposed project would be located in the Towns of Deerfield, Hancock, Oasis, and Plainfield in northwestern Waushara County.
Proposed Schedule
- The applicant submitted the application to the Commission in November 2025.
- If approved, the applicant anticipates construction for this project to begin in April 2027 with an estimated completion date of December 2028.
The proposed project is categorized as a
Type II action under
Wis. Admin. Code § PSC 4.10(2). The Commission will prepare an Environmental Assessment (EA) for this project that will evaluate the location of the project and its potential environmental, community, and private property impacts. There will be a preliminary determination when the EA is complete that will determine whether the preparation of an Environmental Impact Statement (EIS) is necessary.
Key Application Documents
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Access Docket 9825-CE-100
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