Public Service Commission approves Don Harvest solar project with conditions

The Public Service Commission on April 24, 2025, voted unanimously to grant Don Harvest Solar Energy LLC a certificate of public convenience and necessity to build a solar electric generation facility and battery energy storage system in Rock County, Wisconsin.

Commissioner Nieto, who led the discussion, said the project "meets all of the statutory requirements and will be voting to approve the project today," and described the company as a subsidiary of Invenergy Solar Development North America LLC. The approved project includes a 150 megawatt alternating-current solar photovoltaic facility, a 50 megawatt AC battery energy storage system (lithium-ion), and a 138 kV generator tie line to connect the project to the grid.

The commission's decision follows an environmental assessment under Wisconsin administrative rules and review under Wisconsin Statute section 196.491(3) and related PSC rules. Renew Wisconsin intervened in support of the project; the record included testimony estimating first-year health-care savings of roughly $510,000 to $1,100,000. The commission noted expected local economic benefits, including about 250 construction workers on-site during construction, roughly five…