Solar by State / Wisconsin
Here's what a typical residential solar system costs in Wisconsin in 2026 — system size, installed price, incentives, production, payback and how to vet local installers.
These estimates assume an average monthly power bill and a system sized to offset roughly 100% of usage. Your cost depends on roof, shading, equipment tier and installer.
Estimated based on the information above and typical solar assumptions for the area. Actual production, pricing, incentives and savings vary by property, utility, installer and financing terms. This is not a quote.
Use the full calculator to enter your own bill, roof size and financing, then compare vetted local installers.
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A typical Wisconsin home solar system runs from a gross installed price in the low-to-mid five figures before incentives, at roughly $2.80-$3.80 per watt. The estimate on this page is sized to an average power bill; your cost depends on roof, shading, equipment and installer.
No statewide solar tax credit or rebate is modeled for this state. Local utility rebates, net-metering terms and tax exemptions vary — check your utility and the DSIRE database for what applies where you live.
It mainly comes down to your electricity rate (about $0.16/kWh here), your sun (4.3 peak hours/day) and the price you're quoted. Run the numbers with your own bill, then compare at least three installer quotes.
Check that the company is licensed and insured in Wisconsin, get the all-in price per watt in writing, compare equipment and warranties, and request several quotes. You can browse Wisconsin installers or get matched.