Williamstown, VT solar installation & market data
Updated December 12, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Williamstown has 114 solar installations across 1 zip code at a median installed cost of $5.42/W, recent growth not yet measurable, and an installs-weighted Market Score of 34.
Active installations
114
Zip markets
1
Median cost
$5.42/W
12-mo growth
—
Installers active
12
City Market Score
Fair · installs-weighted across 1 zips
Best zip in Williamstown scores higher than 11% of U.S. zip markets.
Versus Vermont
How Williamstown compares with the state
Installed cost
$0.57/W above
state median $4.85/W
Market score
34 vs 39
Vermont scores 39
Share of state installs
0.36%
of 31.3K tracked statewide
Battery attach
2.6%
state 5.7%
Statewide momentum
▲ 12.0%
residential solar added in Vermont, 12 months through Jul 2026
Statewide market
21.9K systems
10.4% of homes · utility-reported through Jul 2026
Growth & pricing
Williamstown by year
7 installs in the trailing twelve months vs 17 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Williamstown
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 40 | 4 | 1 | — |
| 2 | SUNCOMMON | 26 | 0 | 1 | $4.95 |
| 3 | CATAMOUNT SOLAR | 7 | 0 | 1 | $10.34 |
| 4 | TESLA | 5 | 0 | 1 | — |
| 5 | GREEN MOUNTAIN SOLAR | 3 | 0 | 1 | — |
| 6 | FREEDOM FOREVER | 2 | 1 | 1 | — |
| 7 | INTEGRITY ENERGY | 2 | 0 | 1 | — |
| 8 | RGS ENERGY | 2 | 0 | 1 | $4.52 |
| 9 | SUN CATCHER | 2 | 0 | 1 | — |
| 10 | ALLEARTH RENEWABLE | 1 | 0 | 1 | $7.00 |
| 11 | APEX SOLAR | 1 | 0 | 1 | — |
| 12 | CURTIS RANDALL | 1 | 0 | 1 | — |
Zip markets
Zips in Williamstown
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 05679 | 114 | $5.42 | 34 D |