Washington County, WI solar installation & market data
Updated November 22, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Washington County has 231 solar installations across 11 zip codes at a median installed cost of $3.81/W, recent growth not yet measurable, and an installs-weighted Market Score of 46.
Active installations
231
Zip markets
11
Median cost
$3.81/W
12-mo growth
—
Installers active
33
County Market Score
Great · installs-weighted across 11 zips
Best zip in Washington County scores higher than 91% of U.S. zip markets.
Versus Wisconsin
How Washington County compares with the state
Installed cost
$0.29/W above
state median $3.52/W
Market score
46 vs 41
Wisconsin scores 41
Share of state installs
1.15%
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
Washington County by year
46 installs in the trailing twelve months vs 46 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Washington County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | ARCH ELECTRIC | 43 | 3 | 9 | $3.94 |
| 2 | SUN BADGER SOLAR | 26 | 0 | 10 | $3.70 |
| 3 | ALL ENERGY SOLAR | 19 | 4 | 7 | $3.98 |
| 4 | HOME TEAM ENERGY | 16 | 2 | 7 | $2.44 |
| 5 | ENDRIES SOLAR ELECTRIC | 10 | 2 | 6 | $3.03 |
| 6 | SUNVEST SOLAR | 10 | 0 | 6 | $6.78 |
| 7 | SOLCIUS | 10 | 0 | 7 | $5.11 |
| 8 | SUNRUN | 10 | 0 | 6 | $3.15 |
| 9 | SOL ENERGY NEW MEXICO | 9 | 0 | 4 | $5.61 |
| 10 | ENERGY CONSULTANT OF WISCONSIN | 9 | 3 | 5 | $2.78 |
| 11 | ELEVATED SOLAR PERFORMANCE | 7 | 3 | 5 | $3.23 |
| 12 | CURRENT ELECTRIC | 7 | 3 | 4 | $3.77 |
| 13 | TRADITIONS 1291006 | 5 | 5 | 5 | $5.33 |
| 14 | NEXT ENERGY | 3 | 0 | 3 | $3.29 |
| 15 | FREEDOM FOREVER | 3 | 0 | 3 | $5.03 |
| 16 | STEINER PLUMBING ELECTRIC | 3 | 0 | 2 | $3.29 |
| 17 | ENERGIZE | 2 | 0 | 2 | $3.91 |
| 18 | CONVERGENCE ENERGY | 2 | 0 | 2 | $5.15 |
| 19 | ADAMS ELECTRIC | 2 | 0 | 2 | $3.83 |
| 20 | INTEGRATED BUILDING SYSTEM | 2 | 0 | 2 | $3.74 |
| 21 | ABLE ENERGY | 2 | 0 | 2 | $2.65 |
| 22 | CARROLL ELECTRIC | 2 | 0 | 1 | $5.52 |
| 23 | GREENLINK ENERGY SOLUTIONS | 1 | 0 | 1 | $6.84 |
| 24 | BURLINGTON SOLAR | 1 | 1 | 1 | $4.86 |
| 25 | FULL SPECTRUM SOLAR | 1 | 0 | 1 | $3.95 |