Williston, VT solar installation & market data
Updated November 18, 2024Older data · growth withheld By The SolarDNA Data Team
Williston has 574 solar installations across 1 zip code at a median installed cost of $4.85/W, recent growth not yet measurable, and an installs-weighted Market Score of 39.
Active installations
574
Zip markets
1
Median cost
$4.85/W
12-mo growth
—
Installers active
12
City Market Score
Good · installs-weighted across 1 zips
Best zip in Williston scores higher than 30% of U.S. zip markets.
Versus Vermont
How Williston compares with the state
Installed cost
$0.00/W above
state median $4.85/W
Market score
39 vs 39
Vermont scores 39
Share of state installs
1.84%
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
Williston by year
45 installs in the trailing twelve months vs 60 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Williston
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNCOMMON | 136 | 7 | 1 | $4.85 |
| 2 | SUNRUN | 80 | 18 | 1 | — |
| 3 | GREEN MOUNTAIN SOLAR | 59 | 6 | 1 | — |
| 4 | RGS ENERGY | 35 | 0 | 1 | $4.75 |
| 5 | BUILDING ENERGY | 23 | 1 | 1 | $4.62 |
| 6 | TESLA | 23 | 0 | 1 | — |
| 7 | ALLEARTH RENEWABLE | 17 | 5 | 1 | $8.00 |
| 8 | PECK ELECTRIC | 10 | 0 | 1 | $4.27 |
| 9 | ALLEARTH SOLAR | 6 | 0 | 1 | $8.00 |
| 10 | VERMONT SOLAR | 5 | 0 | 1 | $5.77 |
| 11 | CURTIS RANDALL | 4 | 0 | 1 | — |
| 12 | GREEN MOUNTAIN RENEWABLE ENERGY | 3 | 0 | 1 | $3.94 |
Zip markets
Zips in Williston
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 05495 | 574 | $4.85 | 39 C |