Williamstown, MA 01267 solar market data
Updated March 23, 2022Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Williamstown 01267 has 315 solar installations at a median installed cost of $3.85/W, recent growth not yet measurable, and a Market Score of 48 — higher than 79% of U.S. zip markets.
Versus Massachusetts
How 01267 compares with the state
Installed cost
$0.32/W below
state median $4.17/W
Market score
48 vs 58
Massachusetts scores 58
Share of state installs
0.22%
of 142.6K tracked statewide
Battery attach
6.0%
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
01267 by year
31 installs in the trailing twelve months vs 64 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 01267
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | RGS ENERGY | 81 | 0 | 7.35 | $3.89 |
| 2 | SOLARFLAIR ENERGY | 51 | 0 | 6.28 | $3.02 |
| 3 | NEW ENGLAND SOLAR GREEN SOLUTIONS | 37 | 0 | 9.29 | $3.77 |
| 4 | TRINITY SOLAR | 35 | 0 | 7.1 | $3.78 |
| 5 | TESLA | 23 | 0 | 35.53 | $4.92 |
| 6 | BERKSHIRE PHOTOVOLTAIC SERVICES | 19 | 0 | 4.72 | $8.63 |
| 7 | PV SQUARED | 13 | 0 | 31.07 | $4.32 |
| 8 | SUNRUN | 11 | 1 | 9.22 | $3.46 |
| 9 | NEXAMP | 5 | 0 | 61.21 | $2.53 |
| 10 | SUNBUG SOLAR | 5 | 0 | 10.02 | $3.25 |
| 11 | PLUGPV | 4 | 0 | 7.79 | $4.71 |
| 12 | VALLEY SOLAR AND WATER | 3 | 1 | 12.78 | $4.75 |
Equipment
What gets installed in 01267
Share of systems with a recorded brand
Modules
TRINA SOLAR21.7%
LG ELECTRONICS21.3%
CANADIAN SOLAR15.0%
QCELLS NORTH AMERICA12.2%
SCHOTT SOLAR4.5%
Inverters
SOLAREDGE59.4%
SMA AMERICA10.0%
FRONIUS USA8.3%
ENPHASE ENERGY7.4%
POWER-ONE7.0%
Frequently asked
Quick answers about 01267
How many solar installations are there in 01267?
SolarDNA counts 315 active solar installations in Williamstown 01267, 296 of them residential, with data through March 23, 2022.
How much does solar cost in 01267?
The median residential system in 01267 cost $3.85 per watt over the trailing twelve months, $0.32/W below the Massachusetts median.
Is solar growing in 01267?
Recent growth cannot be measured yet for 01267: insufficient recent data (data runs through March 23, 2022).
Who installs solar in 01267?
RGS ENERGY, SOLARFLAIR ENERGY, NEW ENGLAND SOLAR GREEN SOLUTIONS lead the 33 installers with systems in 01267. The full comp set is above.
Is 01267 a good market for solar sales?
01267 scores 48 out of 100 (Great, higher than 79% of U.S. zip markets). With under 500 installations the score is provisional.