Medford, MA 02155 solar market data
Updated October 18, 2021Older data · growth withheld By The SolarDNA Data Team
Medford 02155 has 902 solar installations at a median installed cost of $4.27/W, recent growth not yet measurable, and a Market Score of 49 — higher than 85% of U.S. zip markets.
Versus Massachusetts
How 02155 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
02155 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 02155
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 197 | 1 | 6.35 | $3.81 |
| 2 | TESLA | 167 | 0 | 5.95 | $5.15 |
| 3 | TRINITY SOLAR | 110 | 0 | 5.94 | $4.14 |
| 4 | SUNBUG SOLAR | 88 | 0 | 7.13 | $4.29 |
| 5 | SUNGEVITY | 25 | 0 | 4.6 | $4.71 |
| 6 | ROOF DIAGNOSTICS SOLAR | 23 | 0 | 4.75 | $4.15 |
| 7 | NEXT STEP LIVING | 21 | 0 | 4.64 | $7.36 |
| 8 | REVOLUSUN | 21 | 0 | 6.09 | $4.70 |
| 9 | PALMETTO SOLAR | 18 | 0 | 7.12 | $4.30 |
| 10 | BOSTON SOLAR | 16 | 0 | 7.43 | $4.28 |
| 11 | GREAT SKY SOLAR | 16 | 0 | 8.09 | $3.04 |
| 12 | FREEDOM FOREVER | 10 | 0 | 7.47 | $3.95 |
Equipment
What gets installed in 02155
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA19.1%
TRINA SOLAR18.4%
LG ELECTRONICS11.5%
JINKO SOLAR10.8%
SUNPOWER8.4%
Inverters
SOLAREDGE69.1%
ENPHASE ENERGY11.3%
POWER-ONE7.0%
DELTA ELECTRONICS3.5%
SUNPOWER3.1%
Frequently asked
Quick answers about 02155
How many solar installations are there in 02155?
SolarDNA counts 902 active solar installations in Medford 02155, 882 of them residential, with data through October 18, 2021.
How much does solar cost in 02155?
The median residential system in 02155 cost $4.27 per watt over the trailing twelve months, $0.10/W above the Massachusetts median.
Is solar growing in 02155?
Recent growth cannot be measured yet for 02155: insufficient recent data (data runs through October 18, 2021).
Who installs solar in 02155?
SUNRUN, TESLA, TRINITY SOLAR lead the 81 installers with systems in 02155. The full comp set is above.
Is 02155 a good market for solar sales?
02155 scores 49 out of 100 (Great, higher than 85% of U.S. zip markets).