Medford, MA solar installation & market data
Updated October 18, 2021Older data · growth withheld By The SolarDNA Data Team
Medford has 902 solar installations across 1 zip code at a median installed cost of $4.27/W, recent growth not yet measurable, and an installs-weighted Market Score of 49.
Active installations
902
Zip markets
1
Median cost
$4.27/W
12-mo growth
—
Installers active
12
City Market Score
Great · installs-weighted across 1 zips
Best zip in Medford scores higher than 85% of U.S. zip markets.
Versus Massachusetts
How Medford compares with the state
Installed cost
$0.10/W above
state median $4.17/W
Market score
49 vs 58
Massachusetts scores 58
Share of state installs
0.63%
of 142.6K tracked statewide
Battery attach
2.8%
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
Medford by year
129 installs in the trailing twelve months vs 117 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Medford
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 197 | 1 | 1 | $3.81 |
| 2 | TESLA | 167 | 0 | 1 | $5.15 |
| 3 | TRINITY SOLAR | 110 | 0 | 1 | $4.14 |
| 4 | SUNBUG SOLAR | 88 | 0 | 1 | $4.29 |
| 5 | SUNGEVITY | 25 | 0 | 1 | $4.71 |
| 6 | ROOF DIAGNOSTICS SOLAR | 23 | 0 | 1 | $4.15 |
| 7 | NEXT STEP LIVING | 21 | 0 | 1 | $7.36 |
| 8 | REVOLUSUN | 21 | 0 | 1 | $4.70 |
| 9 | PALMETTO SOLAR | 18 | 0 | 1 | $4.30 |
| 10 | BOSTON SOLAR | 16 | 0 | 1 | $4.28 |
| 11 | GREAT SKY SOLAR | 16 | 0 | 1 | $3.04 |
| 12 | FREEDOM FOREVER | 10 | 0 | 1 | $3.95 |
Zip markets
Zips in Medford
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 02155 | 902 | $4.27 | 49 B |