Grafton, MA solar installation & market data
Updated January 12, 2023Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Grafton has 310 solar installations across 1 zip code at a median installed cost of $4.28/W, recent growth not yet measurable, and an installs-weighted Market Score of 46.
Active installations
310
Zip markets
1
Median cost
$4.28/W
12-mo growth
—
Installers active
12
City Market Score
Great · installs-weighted across 1 zips
Best zip in Grafton scores higher than 72% of U.S. zip markets.
Versus Massachusetts
How Grafton compares with the state
Installed cost
$0.11/W above
state median $4.17/W
Market score
46 vs 58
Massachusetts scores 58
Share of state installs
0.22%
of 142.6K tracked statewide
Battery attach
3.9%
state 3.1%
Statewide momentum
▲ 22.8%
residential solar added in Massachusetts, 12 months through Jul 2026
Statewide market
233.7K systems
13.3% of homes · utility-reported through Jul 2026
Growth & pricing
Grafton by year
10 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 Grafton
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 69 | 1 | 1 | $5.00 |
| 2 | SUNRUN | 60 | 0 | 1 | $4.49 |
| 3 | DIRECT ENERGY SOLAR | 24 | 0 | 1 | $3.95 |
| 4 | TRINITY SOLAR | 24 | 0 | 1 | $4.13 |
| 5 | NEW ENGLAND CLEAN ENERGY | 14 | 0 | 1 | $5.79 |
| 6 | ROOF DIAGNOSTICS SOLAR | 12 | 0 | 1 | $4.14 |
| 7 | RGS ENERGY | 10 | 0 | 1 | $4.28 |
| 8 | BOSTON SOLAR | 7 | 0 | 1 | $3.46 |
| 9 | BRIGHTSTAR SOLAR | 7 | 0 | 1 | $3.25 |
| 10 | NEXT STEP LIVING | 7 | 0 | 1 | $6.50 |
| 11 | SUNBUG SOLAR | 6 | 0 | 1 | $3.77 |
| 12 | 1ST LIGHT ENERGY | 5 | 0 | 1 | $3.70 |
Zip markets
Zips in Grafton
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 01519 | 310 | $4.28 | 46 B |