Greenwich, CT solar installation & market data
Updated July 19, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Greenwich has 139 solar installations across 2 zip codes at a median installed cost of $4.12/W, recent growth not yet measurable, and an installs-weighted Market Score of 43.
Active installations
139
Zip markets
2
Median cost
$4.12/W
12-mo growth
—
Installers active
33
City Market Score
Good · installs-weighted across 2 zips
Best zip in Greenwich scores higher than 65% of U.S. zip markets.
Versus Connecticut
How Greenwich compares with the state
Installed cost
$0.32/W above
state median $3.79/W
Market score
43 vs 51
Connecticut scores 51
Share of state installs
0.28%
of 50.1K tracked statewide
Battery attach
2.2%
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
Greenwich by year
4 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 Greenwich
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 23 | 1 | 2 | $4.19 |
| 2 | CENTURION SOLAR ENERGY | 13 | 0 | 2 | $3.98 |
| 3 | TRINITY SOLAR | 10 | 0 | 2 | $3.60 |
| 4 | SUNRUN | 10 | 0 | 2 | $3.82 |
| 5 | ROSS SOLAR GROUP | 10 | 0 | 2 | $4.97 |
| 6 | PUREPOINT ENERGY | 8 | 0 | 2 | $4.92 |
| 7 | EARTHLIGHT TECHNOLOGIES | 6 | 1 | 2 | $3.60 |
| 8 | RGS ENERGY | 6 | 0 | 2 | $7.71 |
| 9 | SUNLIGHT SOLAR ENERGY | 6 | 0 | 2 | $8.30 |
| 10 | SUNPOWER | 5 | 0 | 2 | $3.67 |
| 11 | MERCURY SOLAR | 4 | 0 | 2 | $6.25 |
| 12 | RENEWABLE RESOURCES | 4 | 0 | 2 | $3.82 |
| 13 | POSIGEN | 3 | 0 | 2 | $4.27 |
| 14 | ECOSMART HOME SERVICES | 3 | 0 | 2 | $3.41 |
| 15 | AKEENA SOLAR | 3 | 0 | 2 | $7.92 |
| 16 | SUNWIND SOLUTIONS | 2 | 0 | 1 | $3.21 |
| 17 | ROOF DIAGNOSTICS SOLAR | 2 | 0 | 2 | $3.72 |
| 18 | WESTPORT SOLAR CONSULTANTS | 2 | 0 | 2 | $9.55 |
| 19 | SOUND SOLAR SYSTEMS | 2 | 0 | 2 | $5.50 |
| 20 | SUNGEVITY | 2 | 0 | 1 | $3.89 |
| 21 | ENVIRONMENTAL CONTROL | 2 | 0 | 1 | $6.64 |
| 22 | VENTURE HOME SOLAR | 1 | 0 | 1 | $3.57 |
| 23 | APEX SOLAR | 1 | 0 | 1 | $3.85 |
| 24 | SAVKAT | 1 | 0 | 1 | $2.63 |
| 25 | BRIGHT PLANET SOLAR | 1 | 0 | 1 | $2.40 |