Stonington, CT solar installation & market data
Updated July 6, 2023Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Stonington has 146 solar installations across 1 zip code at a median installed cost of $3.86/W, recent growth not yet measurable, and an installs-weighted Market Score of 45.
Active installations
146
Zip markets
1
Median cost
$3.86/W
12-mo growth
—
Installers active
12
City Market Score
Good · installs-weighted across 1 zips
Best zip in Stonington scores higher than 66% of U.S. zip markets.
Versus Connecticut
How Stonington compares with the state
Installed cost
$0.07/W above
state median $3.79/W
Market score
45 vs 51
Connecticut scores 51
Share of state installs
0.29%
of 50.1K tracked statewide
Battery attach
0.7%
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
Stonington by year
2 installs in the trailing twelve months vs 9 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Stonington
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TRINITY SOLAR | 28 | 0 | 1 | $3.72 |
| 2 | RGS ENERGY | 22 | 0 | 1 | $7.75 |
| 3 | TESLA | 15 | 0 | 1 | $4.90 |
| 4 | SUNPOWER | 13 | 0 | 1 | $4.14 |
| 5 | EASTERN CT SOLAR | 10 | 1 | 1 | $3.45 |
| 6 | SUNRUN | 8 | 0 | 1 | $2.13 |
| 7 | AEGIS ELECTRIC SYSTEMS | 7 | 0 | 1 | $3.73 |
| 8 | EARTHLIGHT TECHNOLOGIES | 6 | 0 | 1 | $3.65 |
| 9 | DIRECT ENERGY SOLAR | 5 | 0 | 1 | $3.71 |
| 10 | MYSTIC SOLAR | 4 | 0 | 1 | $5.67 |
| 11 | SUNLIGHT SOLAR ENERGY | 4 | 0 | 1 | $6.42 |
| 12 | CTEC SOLAR | 3 | 0 | 1 | $3.56 |
Zip markets
Zips in Stonington
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 06378 | 146 | $3.86 | 45 C |