Darien, CT 06820 solar market data
Updated March 11, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Darien 06820 has 76 solar installations at a median installed cost of $3.99/W, recent growth not yet measurable, and a Market Score of 44 — higher than 63% of U.S. zip markets.
Versus Connecticut
How 06820 compares with the state
Installed cost
$0.20/W above
state median $3.79/W
Market score
44 vs 51
Connecticut scores 51
Share of state installs
0.15%
of 50.1K tracked statewide
Battery attach
1.3%
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
06820 by year
1 installs in the trailing twelve months vs 2 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 06820
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 15 | 0 | 7.48 | $5.05 |
| 2 | PUREPOINT ENERGY | 10 | 0 | 26.72 | $3.88 |
| 3 | ROSS SOLAR GROUP | 8 | 0 | 9.72 | $4.68 |
| 4 | RGS ENERGY | 5 | 0 | 23.31 | $8.19 |
| 5 | SUNRUN | 5 | 0 | 9.09 | $2.09 |
| 6 | AEGIS ELECTRIC SYSTEMS | 4 | 0 | 9.5 | $6.37 |
| 7 | PEREGRINE RENEWABLE ENERGY | 4 | 0 | 132.45 | $3.59 |
| 8 | GREEN POWER ENERGY | 3 | 1 | 12.48 | $3.20 |
| 9 | SUNLIGHT SOLAR ENERGY | 3 | 0 | 7.27 | $8.52 |
| 10 | EARTHLIGHT TECHNOLOGIES | 2 | 0 | 5.56 | $3.35 |
| 11 | MERCURY SOLAR | 2 | 0 | 4.62 | $6.57 |
| 12 | MOMENTUM SOLAR | 2 | 0 | 11.03 | $2.74 |
Equipment
What gets installed in 06820
Share of systems with a recorded brand
Modules
SUNPOWER25.0%
LG ELECTRONICS17.2%
QCELLS NORTH AMERICA14.1%
CSI SOLAR7.8%
TRINA SOLAR7.8%
Inverters
SOLAREDGE36.9%
ENPHASE ENERGY23.1%
SUNPOWER20.0%
FRONIUS USA7.7%
SMA AMERICA6.2%
Frequently asked
Quick answers about 06820
How many solar installations are there in 06820?
SolarDNA counts 76 active solar installations in Darien 06820, 68 of them residential, with data through March 11, 2024.
How much does solar cost in 06820?
The median residential system in 06820 cost $3.99 per watt over the trailing twelve months, $0.20/W above the Connecticut median.
Is solar growing in 06820?
Recent growth cannot be measured yet for 06820: insufficient recent data (data runs through March 11, 2024).
Who installs solar in 06820?
TESLA, PUREPOINT ENERGY, ROSS SOLAR GROUP lead the 23 installers with systems in 06820. The full comp set is above.
Is 06820 a good market for solar sales?
06820 scores 44 out of 100 (Good, higher than 63% of U.S. zip markets). With under 500 installations the score is provisional.