PSC Approves Northern States Power–Wisconsin Rate Increases, Holds ROE at 9.8% The Public Service Commission approved NSPW’s rate changes for 2026–27 (docket 4220-UR-127) after adopting multiple contested and uncontested adjustments in a lengthy decision-matrix process; commissioners kept the authorized ROE at 9.8 percent, set regulatory equity near 52.47 percent and maintained the current earnings-sharing mechanism.

The Public Service Commission has approved significant rate adjustments for Northern States Power Company–Wisconsin, altering the company's initial proposals after extensive deliberation.

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