The Wisconsin laws consumer protection firms look at first in residential solar cases: the state's deceptive practices statute, its door to door sales cancellation law, and any law written for solar sales. General information, not legal advice, with the official source for each.
From official sources, checked October 14, 2026. General information, not legal advice.
Wisconsin gives buyers 3 business days to cancel covered home solicitation sales (cash sales must exceed $25; credit sales have no minimum).
Wis. Stat. 423.201 to 423.205Before selling a solar energy system valued over $300, the seller must give the buyer a completed, signed and dated Solar Energy System Pre-Sale Information form, presented in writing and orally.
Wis. Stat. 101.175 and Wis. Admin. Code SPS 371.05Homeowners can file complaints with the Wisconsin Attorney General. Attorney General consumer complaints
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