Public Service Commission of Wisconsin Regulatory Update: October 16, 2025

The Public Service Commission of Wisconsin convened on October 16, 2025, to review various applications and complaints related to utility companies operating within the state. The meeting was attended by Chairperson Strand, Commissioner Nieto, and Commissioner Hawkins.

The Commission approved several applications, including the construction of a new water treatment plant reservoir overflow modifications in the City of Cudahy, Milwaukee County, and the approval to change the utility's billing cycle from quarterly to monthly by the Village of Osceola, Polk County.

The Commission also reviewed an application by Northern States Power Company-Wisconsin for approval to acquire ownership of the Elk Creek Solar Electric Generating Facility and Battery Energy Storage System in the Town of Spring Brook, Dunn County, Wisconsin. The Commission approved the transaction with specific conditions, including the submission of quarterly progress reports and annual revised total cost estimates.

In addition, the Commission determined that there appeared to be sufficient cause for a complaint alleging that Sister Bay's sewer rates to the Town of Liberty Grove were unreasonable and unjustly discriminatory.

Key Takeaways:

• The Public Service Commission of Wisconsin approved 10 applications and complaints during its meeting on October 16, 2025.
• The commission approved the construction of a new water treatment plant reservoir overflow modifications in the City of Cudahy, Milwaukee County.
• The commission approved the approval to change the utility's billing cycle from quarterly to monthly by the Village of Osceola, Polk County.
• The commission approved the application by Northern States Power Company-Wisconsin for approval to acquire ownership of the Elk Creek Solar Electric Generating Facility and Battery Energy Storage System in the Town of Spring Brook, Dunn County, Wisconsin, with specific conditions.
• The commission determined that there appeared to be sufficient cause for a complaint alleging that Sister Bay's sewer rates to the Town of Liberty Grove were reasonable and justly discriminatory.

Statistics:

• 10 total applications and complaints reviewed by the commission.
• 5 new water treatment plant reservoir overflow modifications to be constructed in the City of Cudahy, Milwaukee County.
• 30 days: time period for quarterly progress reports to be submitted by the applicant.
• 60 days: time period for the applicant to file with the Commission the final closing purchase price and copies of the executed agreements.

Sources:

• UBLIC SERVICE COMMISSION OF WISCONSIN
• Minutes and Informal Instructions of the Open Meeting of Thursday, October 16, 2025
• 9300-SI-128 - Complaint of Town of Liberty Grove and Town of Liberty Grove Sanitary District No. 1 against Village of Sister Bay Concerning Sewer Rates