Janesville, WI solar installation & market data
Updated October 14, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Janesville has 302 solar installations across 4 zip codes at a median installed cost of $4.78/W, recent growth not yet measurable, and an installs-weighted Market Score of 42.
Active installations
302
Zip markets
4
Median cost
$4.78/W
12-mo growth
—
Installers active
26
City Market Score
Good · installs-weighted across 4 zips
Best zip in Janesville scores higher than 53% of U.S. zip markets.
Versus Wisconsin
How Janesville compares with the state
Installed cost
$1.26/W above
state median $3.52/W
Market score
42 vs 41
Wisconsin scores 41
Share of state installs
1.50%
of 20.2K tracked statewide
Battery attach
0.0%
state 0.0%
Statewide momentum
▼ 3.1%
residential solar added in Wisconsin, 12 months through Jul 2026
Statewide market
22.1K systems
1.2% of homes · utility-reported through Jul 2026
Growth & pricing
Janesville by year
77 installs in the trailing twelve months vs 52 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Janesville
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | EVERLIGHT SOLAR | 213 | 19 | 3 | $4.80 |
| 2 | SUN BADGER SOLAR | 10 | 0 | 3 | $3.74 |
| 3 | NEXT ENERGY | 8 | 3 | 3 | $3.22 |
| 4 | ALL ENERGY SOLAR | 7 | 1 | 3 | $3.93 |
| 5 | TRON SOLAR | 7 | 0 | 2 | $4.91 |
| 6 | FREEDOM FOREVER | 6 | 1 | 2 | $4.35 |
| 7 | MIDWEST SOLAR POWER | 5 | 0 | 3 | $2.41 |
| 8 | HOME TEAM ENERGY | 5 | 1 | 2 | $3.34 |
| 9 | ARCH ELECTRIC | 4 | 1 | 2 | $4.05 |
| 10 | ICONIC ENERGY | 3 | 0 | 2 | $2.36 |
| 11 | HH INDUSTRIES | 3 | 0 | 2 | $9.28 |
| 12 | DREWS SOLAR | 3 | 1 | 3 | $2.91 |
| 13 | MOXIE SOLAR | 2 | 0 | 2 | $3.30 |
| 14 | LEHMANN ELECTRIC DESIGN | 2 | 0 | 2 | $4.79 |
| 15 | AGSUN CORPORATION | 2 | 0 | 2 | $9.45 |
| 16 | SOLCIUS | 2 | 0 | 2 | $5.10 |
| 17 | AMERICAN POWER | 2 | 0 | 1 | $6.59 |
| 18 | GREENLINK ENERGY SOLUTIONS | 1 | 0 | 1 | $3.78 |
| 19 | PHASE THREE ENERGY | 1 | 0 | 1 | $4.62 |
| 20 | ADAMS ELECTRIC | 1 | 0 | 1 | $2.87 |
| 21 | VAN BROCKLIN ELECTRIC 1444 | 1 | 0 | 1 | $0.81 |
| 22 | SYSTEMS TECHNOLOGIES | 1 | 0 | 1 | $8.00 |
| 23 | SOL ENERGY NEW MEXICO | 1 | 0 | 1 | $6.38 |
| 24 | EAGLE POINT SOLAR | 1 | 0 | 1 | $4.78 |
| 25 | GROBSTICK SOLAR 10059027 | 1 | 1 | 1 | $2.14 |