Holliston, MA solar installation & market data
Updated February 20, 2023Older data · growth withheld By The SolarDNA Data Team
Holliston has 513 solar installations across 1 zip code at a median installed cost of $3.70/W, recent growth not yet measurable, and an installs-weighted Market Score of 50.
Active installations
513
Zip markets
1
Median cost
$3.70/W
12-mo growth
—
Installers active
12
City Market Score
Great · installs-weighted across 1 zips
Best zip in Holliston scores higher than 88% of U.S. zip markets.
Versus Massachusetts
How Holliston compares with the state
Installed cost
$0.47/W below
state median $4.17/W
Market score
50 vs 58
Massachusetts scores 58
Share of state installs
0.36%
of 142.6K tracked statewide
Battery attach
5.5%
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
Holliston by year
82 installs in the trailing twelve months vs 53 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Holliston
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 100 | 14 | 1 | $3.50 |
| 2 | TESLA | 83 | 9 | 1 | $4.52 |
| 3 | TRINITY SOLAR | 34 | 0 | 1 | $3.91 |
| 4 | SECOND GENERATION ENERGY | 28 | 0 | 1 | $2.98 |
| 5 | SUNGEVITY | 27 | 0 | 1 | $3.82 |
| 6 | BOSTON SOLAR | 18 | 1 | 1 | $3.54 |
| 7 | MASS RENEWABLES | 16 | 2 | 1 | $3.88 |
| 8 | ENERGY MONSTER | 14 | 0 | 1 | $2.95 |
| 9 | ACE RESIDENTIAL SOLAR | 12 | 2 | 1 | $2.75 |
| 10 | SOLECT ENERGY | 11 | 1 | 1 | $2.74 |
| 11 | REVOLUSUN | 11 | 0 | 1 | $4.12 |
| 12 | ROOF DIAGNOSTICS SOLAR | 11 | 0 | 1 | $3.50 |
Zip markets
Zips in Holliston
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 01746 | 513 | $3.70 | 50 B |