How much do solar panels cost in Wisconsin?

In Wisconsin, solar panel installation averages about $2.8 per watt. For a typical $150 monthly electric bill, a 7.3 kW system (19 panels) costs approximately $21,280 before incentives, or $14,896 after the 30% federal tax credit.

Is solar worth it in Wisconsin?

Yes — with 4.58 peak sun hours per day and 19.2¢/kWh electricity rates, solar in Wisconsin typically pays for itself in 7.9 years. The rating is Strong.

Solar Panel Cost & Savings in Wisconsin (2026)

Quick Wisconsin Solar Facts

4.58

Peak Sun Hours/Day

19.2¢

Electricity Rate

$2.8

Install Cost/Watt

7.9 yrs

Avg Payback

In Wisconsin, a typical 7.3 kW system (19 panels) costs approximately $14,896 after the 30% federal tax credit. With 4.58 peak sun hours per day and 19.2¢/kWh electricity rates, annual savings average $1,879 with a payback period of 7.9 years. Rating: Strong. Source: NREL PVWatts v8 (PSH), US EIA July 2026 (rates), SEIA/EnergySage Q1 2026 (costs).

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How many solar panels do I need in Wisconsin?

For a typical home with a $150 monthly electric bill in Wisconsin, you need about 19 panels (7.6 kW system). Your exact number depends on your specific monthly usage and roof orientation.

What solar incentives are available in Wisconsin?

Every US homeowner qualifies for the 30% federal Investment Tax Credit (ITC) through 2032. Many states also offer additional incentives — check our main calculator's Incentives tab for Wisconsin-specific rebates, tax credits, and net metering policies.

Is Wisconsin a good state for solar?

Wisconsin has 4.58 peak sun hours per day (U.S. average: 4.98). With electricity at 19.2¢/kWh (U.S. average: 18.83¢/kWh), solar in Wisconsin typically pays for itself in 7.9 years. Overall rating: Strong.