Typical home: Worth it

Solar in Greenfield, WI

With We Energies's electricity at about 21.3¢ per kWh and 1,308 kWh of sun per kW, solar is worth it for a typical Greenfield home today: about a 11.8-year payback.

Payback, typical home
11.8 yrsWisconsin: 13.2 yrs
25-year net
$21,932after paying $15,200
Sun
1,308kWh per kW per year
Electricity
21.3¢18% above U.S. average

A typical Greenfield home, by the numbers

UtilityWe Energies
Electricity use640 kWh a month
Best-value system4.7 kW, about 11 panels, 6,146 kWh a year (80% of use)
Cost$17,600, or $15,200 after state incentives
First-year savings$1,269
Payback11.8 years
Exported power4¢/kWh (We Energies)

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

Solar production per kW in Greenfield

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

Show as a table
PeriodValue
Jan69
Feb85
Mar120
Apr121
May145
Jun139
Jul149
Aug136
Sep119
Oct93
Nov70
Dec63

Homes in Greenfield

Owner-occupied homes
55%
Single-family detached
45%
Median home value
$261k
Median year built
1974
Population
37,345
Solar installs, last 3 years*
53
Roofs suitable for solar†
82%

Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 9,091 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Older housing stock. Many homes here were built before 1975. Have the roof and electrical panel checked before signing; a roof or panel upgrade can add thousands. Roof first?

Installers working in Greenfield

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

  1. Everlight Solar 19 installs
  2. Tron Solar 6 installs
  3. All Energy Solar 5 installs
  4. Home Team Energy 5 installs
  5. Next Energy 5 installs
  6. Traditions 1291006 3 installs
  7. Arch Electric 3 installs
  8. Current Electric 3 installs
  9. Solcius 1 installs
  10. Appleton Solar 1 installs

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

Questions about solar in Greenfield

Is solar worth it in Greenfield, WI?

For a typical home in Greenfield, solar is worth it at 2026 prices: a 4.7 kW system costs about $15,200 after state incentives, saves about $1,269 in year one and pays back in about 11.8 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Greenfield?

About 1,308 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 Greenfield?

Most homes in Greenfield are served by We Energies, at about 21.3¢ per kWh on average.

How much do solar panels cost in Greenfield?

A fair cash price is around $3.50 per watt before incentives, so about $17,600 for a 4.7 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.