Harwich, MA solar installation & market data
Updated October 25, 2023Older data · growth withheld By The SolarDNA Data Team
Harwich has 663 solar installations across 1 zip code at a median installed cost of $4.51/W, recent growth not yet measurable, and an installs-weighted Market Score of 47.
Active installations
663
Zip markets
1
Median cost
$4.51/W
12-mo growth
—
Installers active
12
City Market Score
Great · installs-weighted across 1 zips
Best zip in Harwich scores higher than 75% of U.S. zip markets.
Versus Massachusetts
How Harwich compares with the state
Installed cost
$0.34/W above
state median $4.17/W
Market score
47 vs 58
Massachusetts scores 58
Share of state installs
0.46%
of 142.6K tracked statewide
Battery attach
3.0%
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
Harwich by year
62 installs in the trailing twelve months vs 42 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Harwich
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 209 | 3 | 1 | $5.24 |
| 2 | MY GENERATION ENERGY | 96 | 11 | 1 | $3.70 |
| 3 | E2 SOLAR | 56 | 4 | 1 | $4.85 |
| 4 | TRINITY SOLAR | 47 | 0 | 1 | $4.00 |
| 5 | SUNRUN | 42 | 18 | 1 | $3.46 |
| 6 | RGS ENERGY | 22 | 0 | 1 | $5.96 |
| 7 | SUNGEVITY | 20 | 0 | 1 | $3.56 |
| 8 | COTUIT SOLAR | 18 | 2 | 1 | $3.81 |
| 9 | SOLAR RISING | 16 | 1 | 1 | $3.27 |
| 10 | SUNPOWER | 14 | 4 | 1 | $4.18 |
| 11 | CLEAN ENERGY DESIGN | 12 | 0 | 1 | $4.66 |
| 12 | FREEDOM FOREVER | 10 | 3 | 1 | $4.17 |
Zip markets
Zips in Harwich
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 02645 | 663 | $4.51 | 47 B |