Westport, MA 02790 solar market data
Updated October 20, 2023Older data · growth withheld By The SolarDNA Data Team
Westport 02790 has 1,025 solar installations at a median installed cost of $4.28/W, recent growth not yet measurable, and a Market Score of 50 — higher than 87% of U.S. zip markets.
Versus Massachusetts
How 02790 compares with the state
Installed cost
$0.11/W above
state median $4.17/W
Market score
50 vs 58
Massachusetts scores 58
Share of state installs
0.72%
of 142.6K tracked statewide
Battery attach
1.8%
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
02790 by year
44 installs in the trailing twelve months vs 66 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 02790
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 263 | 14 | 7.62 | $4.45 |
| 2 | TESLA | 189 | 2 | 8.2 | $5.15 |
| 3 | ISAKSEN SOLAR | 66 | 15 | 12.6 | $3.92 |
| 4 | TRINITY SOLAR | 63 | 0 | 8.49 | $4.10 |
| 5 | SUNGEVITY | 56 | 0 | 7.64 | $3.78 |
| 6 | RGS ENERGY | 22 | 0 | 8.69 | $4.03 |
| 7 | 1ST LIGHT ENERGY | 17 | 0 | 8.6 | $4.19 |
| 8 | FREEDOM FOREVER | 15 | 6 | 8.32 | $3.63 |
| 9 | ROOF DIAGNOSTICS SOLAR | 15 | 0 | 8.26 | $3.68 |
| 10 | B SOLAR | 12 | 0 | 9.99 | $3.75 |
| 11 | CS ENERGY | 12 | 0 | 1345.3 | $1.56 |
| 12 | RELIABLE SOLAR SOLUTIONS | 12 | 0 | 9.91 | $3.50 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 02747 North Dartmouth | 7.9 km | 1,020 | $4.14 | 50 |
| 02723 Fall River | 8.8 km | 164 | $4.23 | 46 |
| 02721 Fall River | 9.4 km | 433 | $4.49 | 46 |
| 02724 Fall River | 10.1 km | 223 | $4.28 | 46 |
| 02748 South Dartmouth | 10.6 km | 633 | $4.21 | 48 |
| 02791 Westport Point | 11.1 km | 12 | $4.82 | 42 |
Equipment
What gets installed in 02790
Share of systems with a recorded brand
Modules
TRINA SOLAR21.6%
QCELLS NORTH AMERICA16.6%
LG ELECTRONICS12.9%
JINKO SOLAR10.3%
CANADIAN SOLAR3.9%
Inverters
SOLAREDGE76.7%
ENPHASE ENERGY6.7%
SMA AMERICA4.4%
POWER-ONE2.9%
FRONIUS USA2.2%
Frequently asked
Quick answers about 02790
How many solar installations are there in 02790?
SolarDNA counts 1,025 active solar installations in Westport 02790, 992 of them residential, with data through October 20, 2023.
How much does solar cost in 02790?
The median residential system in 02790 cost $4.28 per watt over the trailing twelve months, $0.11/W above the Massachusetts median.
Is solar growing in 02790?
Recent growth cannot be measured yet for 02790: insufficient recent data (data runs through October 20, 2023).
Who installs solar in 02790?
SUNRUN, TESLA, ISAKSEN SOLAR lead the 108 installers with systems in 02790. The full comp set is above.
Is 02790 a good market for solar sales?
02790 scores 50 out of 100 (Great, higher than 87% of U.S. zip markets).