Wisconsin

WI
Unclear
Current Status
Last verified: March 2026

Wisconsin Solar Data

Avg. Electricity Rate17.2¢/kWh
TOU Peak Spread
5¢/kWh
Est. Annual Savings
~$190/yr
Last UpdatedMarch 2026
Calculate WI Savings
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Wisconsin Legislation Alert

Be the first to know when Wisconsin's plug-in solar bill advances, passes, or is signed into law.

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What This Means for You

What You Can Do

No specific plug-in solar law. Wisconsin has strong net metering. We Energies and Xcel Energy offer solar programs.

Current Limitations

Utilities require interconnection agreements for grid-tied systems.

What "Unclear" Means for You

Wisconsin has no explicit law permitting or prohibiting plug-in solar devices. No legislation has been introduced yet. Plug-in solar occupies a regulatory gray area.

What you can do right now:

1.Check your lease or HOA rules for any restrictions on balcony or patio equipment.
2.Use our Readiness Checker to see if your space qualifies for plug-in solar.
3.Write your landlord using our Landlord Letter Generator to request permission.
4.Contact your state representative to advocate for plug-in solar legislation.
5.Subscribe to alerts above to get notified when the law changes.
Take the Readiness QuizGenerate Landlord Letter

Wisconsin State Overview

Key data on solar potential, demographics, utilities, and incentives.

Solar Resource
Peak Sun Hours4.5 hrs/day
Optimal Tilt20°
Best Facing180
Est. Annual Output (800W)1,063 kWh/yr
Best MonthsJuly, May, June, August, April

The PVWatts energy estimate is based on an hourly performance simulation using a typical-year weather file that represents a multi-year historical period for Madison, WI for a Fixed (open rack) photovoltaic system.

Major Utilities
We Energies
~1,100,000 electric customers
Net metering
Northern States Power Company d/b/a Xcel Energy
~265,000 electric customers
Net metering
Madison Gas and Electric
~167,000 electric customers
Net metering
Wisconsin Public Service Corporation
~474,000 electric customers
Net metering

Population
5,960,975
Total Households
2,479,480
Owner-Occupied
1,681,494
Renter-Occupied
797,986
Single-Family Homes
1,843,720
Apartment Units (5+)
480,883
Median Income
$77,485
Median Home Value
$266,500

32% of Wisconsin households are renter-occupied — approximately 797,986 households that could benefit from plug-in solar without owning their home.

Focus on Energy offers solar rebates for Wisconsin homeowners (through We Energies and other participating utilities). Net metering available through We Energies and Xcel Energy. The federal 30% ITC (Section 25D) expired December 31, 2025.