Jefferson County, WI solar installation & market data
Updated December 17, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Jefferson County has 287 solar installations across 10 zip codes at a median installed cost of $4.29/W, recent growth not yet measurable, and an installs-weighted Market Score of 43.
Active installations
287
Zip markets
10
Median cost
$4.29/W
12-mo growth
—
Installers active
44
County Market Score
Good · installs-weighted across 10 zips
Best zip in Jefferson County scores higher than 76% of U.S. zip markets.
Versus Wisconsin
How Jefferson County compares with the state
Installed cost
$0.77/W above
state median $3.52/W
Market score
43 vs 41
Wisconsin scores 41
Share of state installs
1.42%
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
Jefferson County by year
71 installs in the trailing twelve months vs 71 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Jefferson County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | EVERLIGHT SOLAR | 84 | 20 | 8 | $5.08 |
| 2 | FULL SPECTRUM SOLAR | 24 | 0 | 8 | $3.00 |
| 3 | ALL ENERGY SOLAR | 20 | 6 | 8 | $3.49 |
| 4 | NEXT ENERGY | 13 | 3 | 5 | $3.31 |
| 5 | MIDWEST SOLAR POWER | 13 | 1 | 3 | $2.94 |
| 6 | ARCH ELECTRIC | 12 | 4 | 6 | $3.41 |
| 7 | SUN BADGER SOLAR | 11 | 0 | 6 | $3.97 |
| 8 | FREEDOM FOREVER | 10 | 3 | 6 | $4.87 |
| 9 | HOME TEAM ENERGY | 9 | 1 | 7 | $2.86 |
| 10 | WES ENGINEERING | 8 | 0 | 4 | $1.97 |
| 11 | SOLCIUS | 6 | 0 | 3 | $4.40 |
| 12 | SUNVEST SOLAR | 5 | 0 | 3 | $5.17 |
| 13 | TRON SOLAR | 5 | 0 | 5 | $5.36 |
| 14 | MOXIE SOLAR | 5 | 0 | 3 | $2.61 |
| 15 | DUCK CREEK ENGINEERING | 4 | 0 | 1 | $5.40 |
| 16 | TRADITIONS 1291006 | 3 | 2 | 2 | $5.76 |
| 17 | HH SOLAR ENERGY SERVICES | 3 | 0 | 3 | $2.77 |
| 18 | ADAMS ELECTRIC | 3 | 3 | 2 | $5.61 |
| 19 | HICKORY ELECTRIC | 3 | 0 | 1 | $2.84 |
| 20 | CURRENT ELECTRIC | 3 | 0 | 3 | $3.08 |
| 21 | OLSON SOLAR ENERGY | 2 | 2 | 2 | $3.16 |
| 22 | SOLAR ENERGY OF ILLINOIS | 2 | 0 | 1 | $3.16 |
| 23 | LTL LED | 2 | 2 | 2 | $3.32 |
| 24 | SOL ENERGY NEW MEXICO | 2 | 0 | 2 | $5.58 |
| 25 | ELAND ELECTRIC | 2 | 0 | 2 | $5.27 |