Typical home: Worth it

Solar in Fond du Lac, WI

With Alliant Energy (Wisconsin Power & Light)'s electricity at about 19.1¢ per kWh and 1,303 kWh of sun per kW, solar is worth it for a typical Fond du Lac home today: about a 12.7-year payback.

Payback, typical home
12.7 yrsWisconsin: 13.2 yrs
25-year net
$22,846after paying $18,500
Sun
1,303kWh per kW per year
Electricity
19.1¢6% above U.S. average

A typical Fond du Lac home, by the numbers

UtilityAlliant Energy (Wisconsin Power & Light)
Electricity use694 kWh a month
Best-value system5.8 kW, about 13 panels, 7,555 kWh a year (91% of use)
Cost$20,900, or $18,500 after state incentives
First-year savings$1,446
Payback12.7 years
Exported powerFull retail net metering (Alliant Energy (Wisconsin Power & Light))

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

Solar production per kW in Fond du Lac

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

Show as a table
PeriodValue
Jan65
Feb88
Mar119
Apr128
May143
Jun141
Jul154
Aug139
Sep117
Oct92
Nov65
Dec51

Homes in Fond du Lac

Owner-occupied homes
58%
Single-family detached
59%
Median home value
$174k
Median year built
1967
Population
44,494
Solar installs, last 3 years*
72
Roofs suitable for solar†
73%

Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 10,110 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 Fond du Lac

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

  1. Everlight Solar 50 installs
  2. Arch Electric 5 installs
  3. All Energy Solar 3 installs
  4. Eagle Point Solar 2 installs
  5. Freedom Forever 2 installs
  6. Appleton Solar 2 installs
  7. Eland Electric 1 installs
  8. Endries Solar Electric 1 installs
  9. Home Team Energy 1 installs
  10. North Wind Renewable Energy 1 installs

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

Questions about solar in Fond du Lac

Is solar worth it in Fond du Lac, WI?

For a typical home in Fond du Lac, solar is worth it at 2026 prices: a 5.8 kW system costs about $18,500 after state incentives, saves about $1,446 in year one and pays back in about 12.7 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Fond du Lac?

About 1,303 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 2% less than the Wisconsin average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Fond du Lac?

Most homes in Fond du Lac are served by Alliant Energy (Wisconsin Power & Light), at about 19.1¢ per kWh on average. Some areas are served by We Energies.

How much do solar panels cost in Fond du Lac?

A fair cash price is around $3.50 per watt before incentives, so about $20,900 for a 5.8 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.