Marlborough, CT solar installation & market data
Updated February 23, 2022Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Marlborough has 68 solar installations across 1 zip code at a median installed cost of $3.78/W, recent growth not yet measurable, and an installs-weighted Market Score of 45.
Active installations
68
Zip markets
1
Median cost
$3.78/W
12-mo growth
—
Installers active
12
City Market Score
Good · installs-weighted across 1 zips
Best zip in Marlborough scores higher than 66% of U.S. zip markets.
Versus Connecticut
How Marlborough compares with the state
Installed cost
$0.01/W below
state median $3.79/W
Market score
45 vs 51
Connecticut scores 51
Share of state installs
0.14%
of 50.1K tracked statewide
Battery attach
0.0%
state 0.4%
Statewide momentum
▼ 5.6%
residential solar added in Connecticut, 12 months through Jul 2026
Statewide market
128.1K systems
13.6% of homes · utility-reported through Jul 2026
Growth & pricing
Marlborough by year
11 installs in the trailing twelve months vs 6 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Marlborough
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 12 | 0 | 1 | $5.25 |
| 2 | TRINITY SOLAR | 12 | 0 | 1 | $3.23 |
| 3 | EARTHLIGHT TECHNOLOGIES | 5 | 0 | 1 | $3.57 |
| 4 | AEGIS ELECTRIC SYSTEMS | 4 | 0 | 1 | $3.40 |
| 5 | JD SOLAR SOLUTIONS | 4 | 0 | 1 | $3.82 |
| 6 | SUNPOWER | 4 | 0 | 1 | $3.47 |
| 7 | MOMENTUM SOLAR | 3 | 0 | 1 | $2.65 |
| 8 | RGS ENERGY | 3 | 0 | 1 | $7.92 |
| 9 | SUNLIGHT SOLAR ENERGY | 3 | 0 | 1 | $7.10 |
| 10 | SUNRUN | 3 | 0 | 1 | $3.26 |
| 11 | ROSS SOLAR GROUP | 2 | 0 | 1 | $4.88 |
| 12 | WALDO RENEWABLE ELECTRIC | 2 | 0 | 1 | $6.18 |
Zip markets
Zips in Marlborough
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 06447 | 68 | $3.78 | 45 C |