Williams Bay, WI solar installation & market data
Updated July 25, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Williams Bay has 5 solar installations across 1 zip code at a median installed cost of $5.25/W, recent growth not yet measurable, and an installs-weighted Market Score of 39.
Active installations
5
Zip markets
1
Median cost
$5.25/W
12-mo growth
—
Installers active
4
City Market Score
Good · installs-weighted across 1 zips
Best zip in Williams Bay scores higher than 31% of U.S. zip markets.
Versus Wisconsin
How Williams Bay compares with the state
Installed cost
$1.73/W above
state median $3.52/W
Market score
39 vs 41
Wisconsin scores 41
Share of state installs
0.02%
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
Williams Bay by year
2 installs in the trailing twelve months vs 1 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Williams Bay
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TRON SOLAR | 2 | 1 | 1 | $6.80 |
| 2 | FULL SPECTRUM SOLAR | 1 | 0 | 1 | $4.24 |
| 3 | GLOW SOLAR | 1 | 0 | 1 | $3.28 |
| 4 | SOLAR ENERGY OF ILLINOIS | 1 | 0 | 1 | $6.11 |
Zip markets
Zips in Williams Bay
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 53191 | 5 | $5.25 | 39 C |