Solar Panel Installers in Wisconsin
Find solar installers in Wisconsin. We've gathered 5 installers from across Wisconsin with their phone number, address, hours, and Google rating, so you can compare and reach out for quotes. Listings span Wauwatosa, Altoona, Green Bay, Verona and Plymouth, so there's likely a company near you. The installers below average 4.7 stars on Google. With residential electricity averaging 17.2¢/kWh in Wisconsin and roughly 4.5 peak sun hours a day, going solar can offset a meaningful share of your power bill.
Thinking about solar in Wisconsin? Run your numbers
Wisconsin at a glance
- 17.2¢
- per kWh, residential
- $110.87
- average monthly bill
- 645 kWh
- average monthly use
- 4.5 h
- peak sun hours / day
#16 most expensive of 51
EIA, 2024 annual avg
EIA, 2024 annual avg
NREL regional average (Midwest)
5 solar installers in Wisconsin
Spread across Wisconsin so there's likely one near you. Enter your ZIP above to sort nearest-first, or tap a pin on the map. Details from public Google Business Profiles: verify before hiring.
Areas we cover in Wisconsin
The installers listed above serve 5 cities and surrounding areas across Wisconsin:
- Wauwatosa
- Altoona
- Green Bay
- Verona
- Plymouth
How to choose a solar installer in Wisconsin
Check licensing & certification
Solar installs in Wisconsin involve electrical work, so the contractor (or their electrician) needs the proper state license. Favor companies with NABCEP-certified staff, the industry's recognized credential, and confirm they carry liability insurance and a workmanship warranty, not just the manufacturer's panel warranty.
Get three quotes and compare price per watt
Quotes vary widely. Compare the total cash price divided by system size (dollars per watt) rather than the monthly financed payment, which can hide markups. Make sure each quote lists the same panel and inverter brands, the production estimate, and exactly what's included.
Confirm permits, interconnection & net metering
A reputable installer pulls the building/electrical permits and files the utility interconnection paperwork for you. Ask how net metering works with your local Wisconsin utility: it determines how much credit you earn for excess power you send back to the grid, which drives your real savings.
What to know before hiring in Wisconsin
The largest utilities serving Wisconsin homes are Wisconsin Electric Power (1,048,148 residential customers, 19.2¢/kWh), Wisconsin Power & Light (437,211 residential customers, 16.9¢/kWh) and Wisconsin Public Service (411,775 residential customers, 16.2¢/kWh). Your utility sets the rate your solar production offsets, and it is also who an installer files interconnection or service paperwork with, so name it when you ask for quotes.
Check the license before you sign
Electrical contractors in Wisconsin are licensed by the Wisconsin Department of Safety and Professional Services. Electrical Contractor credential plus Master and Journeyman electrician licenses.
Look up a licenseBoard siteLinks checked 2026-10-19
Listing data is sourced from public Google Business Profiles and may be out of date. WattSimple is not affiliated with, and does not endorse or recommend, any listed company. Verify licensing and details directly before hiring.
Other energy pros in Wisconsin
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