Derby, VT solar installation & market data
Updated October 28, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Derby has 96 solar installations across 1 zip code at a median installed cost of $6.50/W, recent growth not yet measurable, and an installs-weighted Market Score of 29.
Active installations
96
Zip markets
1
Median cost
$6.50/W
12-mo growth
—
Installers active
12
City Market Score
Weak · installs-weighted across 1 zips
Best zip in Derby scores higher than 3% of U.S. zip markets.
Versus Vermont
How Derby compares with the state
Installed cost
$1.65/W above
state median $4.85/W
Market score
29 vs 39
Vermont scores 39
Share of state installs
0.31%
of 31.3K tracked statewide
Battery attach
0.0%
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
Derby by year
8 installs in the trailing twelve months vs 16 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Derby
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 43 | 4 | 1 | — |
| 2 | SUNCOMMON | 12 | 0 | 1 | — |
| 3 | SOLARTECHMD | 7 | 0 | 1 | — |
| 4 | MEMPHREMAGOG GREEN WORX | 6 | 1 | 1 | — |
| 5 | ALLEARTH RENEWABLE | 4 | 0 | 1 | — |
| 6 | SOLARTECH ENERGY SYSTEMS | 4 | 0 | 1 | $6.50 |
| 7 | APEX SOLAR | 3 | 0 | 1 | — |
| 8 | GREEN MOUNTAIN SOLAR | 3 | 0 | 1 | — |
| 9 | FREEDOM FOREVER | 2 | 0 | 1 | — |
| 10 | CURTIS RANDALL | 1 | 1 | 1 | — |
| 11 | HARVESTAR | 1 | 1 | 1 | — |
| 12 | VERMONT SOLAR | 1 | 1 | 1 | — |
Zip markets
Zips in Derby
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 05829 | 96 | $6.50 | 29 F |