Portland, ME 04102 solar market data
Updated December 23, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Portland 04102 has 104 solar installations at a median installed cost of $4.57/W, recent growth not yet measurable, and a Market Score of 37 — higher than 17% of U.S. zip markets.
Versus Maine
How 04102 compares with the state
Installed cost
$0.86/W above
state median $3.71/W
Market score
37 vs 36
Maine scores 36
Share of state installs
0.62%
of 16.9K tracked statewide
Battery attach
0.0%
state 0.6%
Statewide momentum
▼ 3.9%
residential solar added in Maine, 12 months through Jul 2026
Statewide market
22.5K systems
4.8% of homes · utility-reported through Jul 2026
Growth & pricing
04102 by year
31 installs in the trailing twelve months vs 17 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 04102
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| No installer has recorded systems here yet. | |||||
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 04101 Portland | 2.5 km | 186 | $3.83 | 41 |
| 04104 Portland | 2.8 km | 66 | — | 38 |
| 04103 Portland | 3.1 km | 226 | $3.90 | 41 |
| 04106 South Portland | 3.5 km | 236 | $3.72 | 42 |
| 04092 Westbrook | 6.1 km | 156 | $3.99 | 40 |
| 04108 Peaks Island | 7.7 km | 44 | $3.98 | 39 |
Same city
Other zips in Portland
Equipment
What gets installed in 04102
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA40.0%
REC GROUP30.0%
REC SOLAR20.0%
PANASONIC CORPORATION OF NORTH AMERICA10.0%
Inverters
Frequently asked
Quick answers about 04102
How many solar installations are there in 04102?
SolarDNA counts 104 active solar installations in Portland 04102, 99 of them residential, with data through December 23, 2024.
How much does solar cost in 04102?
The median residential system in 04102 cost $4.57 per watt over the trailing twelve months, $0.86/W above the Maine median.
Is solar growing in 04102?
Recent growth cannot be measured yet for 04102: insufficient recent data (data runs through December 23, 2024).
Who installs solar in 04102?
No installer has enough recorded systems in 04102 to rank yet.
Is 04102 a good market for solar sales?
04102 scores 37 out of 100 (Fair, higher than 17% of U.S. zip markets). With under 500 installations the score is provisional.