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Solar Installation in Madison, WI

Compare 6 local solar installation pros. Typical service: $17995–$24820.

Top Solar Installation Companies in Madison

  1. 1.Full Spectrum Solar

    5.0★ (205 reviews)

    5.0★ from 205 reviews

    +16082849495Website

  2. 2.Drews Solar

    5.0★ (162 reviews)

    5.0★ from 162 reviews

    +16086584285Website

  3. 3.Midwest Solar Power

    5.0★ (137 reviews)

    5.0★ from 137 reviews

    +16083542063Website

  4. 4.All Energy Solar

    4.7★ (105 reviews)

    4.7★ from 105 reviews

    +18006203370Website

  5. 5.Arch Solar

    4.8★ (21 reviews)

    4.8★ from 21 reviews

    +16089493429Website

  6. 6.Glow Solar

    4.6★ (9 reviews)

    4.6★ from 9 reviews

    +18334569765Website

Solar Installation Cost in Madison

Local ranges, adjusted for area wage and cost-of-living data.

ServiceTypical range in Madison
6 kW system, installed$17,995–$24,820/job
8 kW system, installed$23,951–$33,135/job
10 kW system, installed$29,908–$41,449/job

Solar Installation prices in Madison run about 24% above the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.

Quotes on this page come from 6 companies serving Madison, rated 4.9★ on average across 639 customer reviews.

Madison Climate & Seasonal Timing

What Madison's weather means for scheduling solar installation.

Last spring frost
April 21
First fall frost
October 13
Annual precipitation
36.13"
Heating degree days
7,178
Cooling degree days
681
MonthLowHighPrecip
Jan10.7°26.9°1.24"
Feb14.8°31.4°1.4"
Mar25.6°42.9°2.14"
Apr37.7°56.9°3.85"
May48.8°67.9°4.07"
Jun58.5°78.1°4.89"
Jul63.1°82°3.95"
Aug61.2°79.8°4.12"
Sep52.3°71.9°3.45"
Oct40°59.7°2.68"
Nov28.3°44.8°2.45"
Dec15.5°31°1.89"

NOAA station data 3.27 miles from Madison.

Permits & Regulations in WI

Permit typically required

  • Wisconsin licenses electrical contractors, master and journeyman electricians through DSPS
  • An electrical contractor must employ a licensed master electrician
  • Electrical permits and inspections are handled by the local jurisdiction or the state

License required: Wisconsin DSPS electrical contractor license

Sources: dsps.wi.gov

Solar Installation FAQs for Madison

How much does solar cost in Madison?

A 6 kW home solar system in Madison typically runs $17995-$24820 installed, before any incentives.

How many solar installers serve Madison?

We track 6 solar installation companies serving Madison.

Is solar installation in Madison more expensive than average?

Electrical installation labor in Madison runs about +24.1% versus the national average.

Do I need a permit for solar panels in Madison, WI?

In WI, Wisconsin licenses electrical contractors, master and journeyman electricians through DSPS. Rooftop solar in Madison needs a building and electrical permit plus a utility interconnection agreement.

Is there a federal solar tax credit in 2026?

No for homeowners buying a system: the residential federal credit ended December 31, 2025, so a Madison quote of $17995-$24820 is close to the out-of-pocket cost unless a state or utility rebate applies.

How much does air conditioning drive solar savings in Madison?

Madison sees about 681 cooling degree days a year; the more air conditioning a home runs, the more of a solar systems output it uses directly.

How many quotes should I get for solar in Madison?

At least three; with 6 installers serving Madison, compare the price per watt, panel and inverter models, and the workmanship warranty.

Does heat reduce solar output in Madison?

Slightly; panels lose efficiency on days near 82F, so Madison quotes should use temperature-adjusted production estimates.