Westborough, MA 01581 solar market data
Updated June 28, 2023Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Westborough 01581 has 422 solar installations at a median installed cost of $4.04/W, recent growth not yet measurable, and a Market Score of 48 — higher than 79% of U.S. zip markets.
Versus Massachusetts
How 01581 compares with the state
Installed cost
$0.13/W below
state median $4.17/W
Market score
48 vs 58
Massachusetts scores 58
Share of state installs
0.30%
of 142.6K tracked statewide
Battery attach
5.2%
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
01581 by year
11 installs in the trailing twelve months vs 21 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 01581
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 110 | 2 | 8.34 | $3.91 |
| 2 | TESLA | 86 | 1 | 7.9 | $5.15 |
| 3 | SUNGEVITY | 23 | 0 | 8.3 | $3.63 |
| 4 | TRINITY SOLAR | 20 | 0 | 8 | $3.56 |
| 5 | DIRECT ENERGY SOLAR | 15 | 0 | 8.29 | $4.22 |
| 6 | SOLARFLAIR ENERGY | 12 | 0 | 291.96 | $3.35 |
| 7 | ENDLESS MTN SOLAR SERVICES | 10 | 0 | 7.86 | $5.04 |
| 8 | NEW ENGLAND CLEAN ENERGY | 10 | 0 | 8.99 | $4.73 |
| 9 | NEXT STEP LIVING | 10 | 0 | 6.84 | $6.86 |
| 10 | BOSTON SOLAR | 9 | 0 | 12.28 | $3.26 |
| 11 | BRIGHTSTAR SOLAR | 7 | 0 | 12.13 | $2.80 |
| 12 | ENERGY MONSTER | 6 | 0 | 8.01 | $3.18 |
Equipment
What gets installed in 01581
Share of systems with a recorded brand
Modules
JINKO SOLAR19.8%
TRINA SOLAR15.1%
LG ELECTRONICS14.9%
QCELLS NORTH AMERICA9.8%
CANADIAN SOLAR6.3%
Inverters
SOLAREDGE73.0%
ENPHASE ENERGY11.5%
SMA AMERICA3.6%
YASKAWA SOLECTRIA SOLAR3.1%
POWER-ONE2.8%
Frequently asked
Quick answers about 01581
How many solar installations are there in 01581?
SolarDNA counts 422 active solar installations in Westborough 01581, 395 of them residential, with data through June 28, 2023.
How much does solar cost in 01581?
The median residential system in 01581 cost $4.04 per watt over the trailing twelve months, $0.13/W below the Massachusetts median.
Is solar growing in 01581?
Recent growth cannot be measured yet for 01581: insufficient recent data (data runs through June 28, 2023).
Who installs solar in 01581?
SUNRUN, TESLA, SUNGEVITY lead the 70 installers with systems in 01581. The full comp set is above.
Is 01581 a good market for solar sales?
01581 scores 48 out of 100 (Great, higher than 79% of U.S. zip markets). With under 500 installations the score is provisional.