Solar Panels in Wisconsin2026 Cost Guide & Incentives
Average cost, state incentives, payback estimates, and how to find certified installers in Wisconsin.
$17,000–$29,000
Avg system cost
$11,900–$20,300
After 30% ITC
4.4 hrs/day
Peak sun hours
$0.162/kWh
Avg rate
Is Solar Worth It in Wisconsin?
Based on a home with a $150/month electric bill in Wisconsin
Est. system size
6.4 kW
Gross cost
$18,459
Federal tax credit
−$5,538
Net cost
$12,921
Year-1 savings
$1,800
20-year savings
$45,911
Estimated payback: 7.2 years — then 12 years of free electricity.
* Estimates assume $2.90/W installed, 92% solar offset, and 3% annual electricity rate inflation. Get an installer quote to confirm your actual savings.
Wisconsin Solar Incentives & Policies
Federal
Investment Tax Credit (ITC)
30%
of total system cost — off your federal tax bill
Available through 2032
Wisconsin State
State Incentive
Property tax exemption + Focus on Energy rebates up to $500
Additional Wisconsin Solar Policies
Net Metering: Available — excess energy credited to your bill
Property Tax Exemption: Solar system value exempt from property taxes
Sales Tax Exemption: Sales tax applies to solar equipment purchase
Solar Installation Cost in Wisconsin by System Size
| System size | Gross cost | After 30% ITC | Year-1 savings |
|---|---|---|---|
| 5 kW | $12,272,800 | $8,590,960 | $1,196,791/yr |
| 7 kW | $17,181,920 | $12,027,344 | $1,675,508/yr |
| 9 kW | $22,091,040 | $15,463,728 | $2,154,224/yr |
| 12 kW | $29,454,720 | $20,618,304 | $2,872,299/yr |
* Costs based on $2.90/W national average. Wisconsin installer pricing may vary ±15%.
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Frequently Asked Questions — Solar in Wisconsin
How much do solar panels cost in Wisconsin?
Solar installation in Wisconsin typically costs $17,000–$29,000 before incentives. After the 30% federal tax credit, most homeowners pay $11,900–$20,300 net.
Is solar worth it in Wisconsin?
Yes — Wisconsin homeowners benefit from 4.4 average peak sun hours per day. The 30% federal ITC combined with property tax exemption + focus on energy rebates up to $500 make the financial case strong for most homeowners.
What state incentives are available for solar in Wisconsin?
Property tax exemption + Focus on Energy rebates up to $500. On top of state incentives, all Wisconsin homeowners qualify for the federal 30% Investment Tax Credit (ITC). Your solar system is also exempt from property tax assessment.
How long is the payback period for solar in Wisconsin?
Based on Wisconsin's average electricity rate of $0.162/kWh and 4.4 peak sun hours, most homeowners see payback in 7.2–10 years. Systems then produce free electricity for 15–20+ more years.
Does Wisconsin have net metering?
Yes — Wisconsin has a net metering policy that credits your utility bill for excess electricity your system sends back to the grid. This significantly improves your ROI.