Wisconsin Solar Guide 2026
Everything Wisconsin homeowners need to know: costs, incentives, net metering policy, and what makes this state unique for solar.
Key fact about Wisconsin solar
Wisconsin's Focus on Energy rebate and full retail net metering make the economics workable despite limited sun hours. The $500 base rebate helps offset installation costs.
Peak sun hours
4.3
hrs/day avg
Avg electricity rate
16.0¢
per kWh
Median install cost
$2.95/W
before incentives
Typical payback
11 yrs
8 kW system, avg usage
Typical 8 kW system in Wisconsin
Annual production
12,556 kWh
Year-1 savings
$2,009
System cost (est.)
$23,600
No federal tax credit — Section 25D expired December 31, 2025.
Wisconsin Net Metering Policy
Full retail net metering (Focus on Energy program)
Wisconsin requires full retail net metering for systems under 20 kW. We Energies, Xcel WI, and other utilities must credit at retail rate. The Focus on Energy program provides upfront rebates.
Wisconsin Solar Incentives
Available in addition to any utility rebates. Federal 25D credit is $0 for homeowner-owned systems from 2026.
- ✓Focus on Energy rebate: $500 residential base ($600–$2,000 income-qualified)
- ✓Property tax exemption
- ✓Sales tax exemption on solar equipment
Top Utilities in Wisconsin
Interconnection timeline: 4–8 weeks
Calculate your Wisconsin solar economics
Our calculators are pre-filled with Wisconsin data. Run any tool below.