Typical home: Worth it

Solar in Madison, WI

With Madison Gas & Electric's electricity at about 21.9¢ per kWh and 1,314 kWh of sun per kW, solar is worth it for a typical Madison home today: about a 11.5-year payback.

Payback, typical home
11.5 yrsWisconsin: 13.2 yrs
25-year net
$23,039after paying $14,900
Sun
1,314kWh per kW per year
Electricity
21.9¢22% above U.S. average

A typical Madison home, by the numbers

UtilityMadison Gas & Electric
Electricity use505 kWh a month
Best-value system4.6 kW, about 11 panels, 6,045 kWh a year (100% of use)
Cost$17,300, or $14,900 after state incentives
First-year savings$1,260
Payback11.5 years
Exported powerFull retail net metering (Madison Gas & Electric)

Cash purchase, no federal credit, 2.5% yearly rate increases. Run it with your own numbers.

Solar production per kW in Madison

kWh per kW each month, south-facing at 20° tilt. PVWatts v8 with local typical-year weather.

Show as a table
PeriodValue
Jan72
Feb94
Mar121
Apr126
May142
Jun142
Jul145
Aug135
Sep119
Oct87
Nov72
Dec59

Homes in Madison

Owner-occupied homes
46%
Single-family detached
40%
Median home value
$373k
Median year built
1980
Population
278,001
Solar installs, last 3 years*
917
Roofs suitable for solar†
73%

Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 44,979 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Madison

Companies with the most installations in Madison's ZIP codes over the last 3 years, from public records. We don't take payment for placement.

  1. Everlight Solar 372 installs
  2. Next Energy 122 installs
  3. Midwest Solar Power 121 installs
  4. Drews Solar 77 installs
  5. Arch Electric 73 installs
  6. All Energy Solar 50 installs
  7. Freedom Forever 35 installs
  8. Sunpeak 13 installs
  9. Home Team Energy 6 installs
  10. Eagle Point Solar 5 installs

Always verify the license and get at least three quotes. Compare quotes side by side.

Questions about solar in Madison

Is solar worth it in Madison, WI?

For a typical home in Madison, solar is worth it at 2026 prices: a 4.6 kW system costs about $14,900 after state incentives, saves about $1,260 in year one and pays back in about 11.5 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Madison?

About 1,314 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% less than the Wisconsin average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Madison?

Most homes in Madison are served by Madison Gas & Electric, at about 21.9¢ per kWh on average. Some areas are served by Alliant Energy (Wisconsin Power & Light).

How much do solar panels cost in Madison?

A fair cash price is around $3.50 per watt before incentives, so about $17,300 for a 4.6 kW system. There's no federal tax credit for homeowners who buy in 2026.

Nearby

Data: PVWatts (National Laboratory of the Rockies), EIA-861 2025 adjusted to 2026, U.S. Census ACS, LBNL Tracking the Sun, state policy research as of October 2026.