Portland, ME 04101 solar market data
Updated December 20, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Portland 04101 has 186 solar installations at a median installed cost of $3.83/W, recent growth not yet measurable, and a Market Score of 41 — higher than 37% of U.S. zip markets.
Versus Maine
How 04101 compares with the state
Installed cost
$0.12/W above
state median $3.71/W
Market score
41 vs 36
Maine scores 36
Share of state installs
1.10%
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
04101 by year
21 installs in the trailing twelve months vs 22 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 04101
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 |
|---|---|---|---|---|
| 04104 Portland | 0.3 km | 66 | — | 38 |
| 04102 Portland | 2.5 km | 104 | $4.57 | 37 |
| 04106 South Portland | 3.3 km | 236 | $3.72 | 42 |
| 04103 Portland | 3.8 km | 226 | $3.90 | 41 |
| 04108 Peaks Island | 5.2 km | 44 | $3.98 | 39 |
| 04107 Cape Elizabeth | 6.9 km | 210 | $3.25 | 44 |
Same city
Other zips in Portland
Equipment
What gets installed in 04101
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA51.7%
REC GROUP17.2%
CANADIAN SOLAR10.3%
REC SOLAR6.9%
PANASONIC CORPORATION OF NORTH AMERICA3.5%
Inverters
Frequently asked
Quick answers about 04101
How many solar installations are there in 04101?
SolarDNA counts 186 active solar installations in Portland 04101, 161 of them residential, with data through December 20, 2024.
How much does solar cost in 04101?
The median residential system in 04101 cost $3.83 per watt over the trailing twelve months, $0.12/W above the Maine median.
Is solar growing in 04101?
Recent growth cannot be measured yet for 04101: insufficient recent data (data runs through December 20, 2024).
Who installs solar in 04101?
No installer has enough recorded systems in 04101 to rank yet.
Is 04101 a good market for solar sales?
04101 scores 41 out of 100 (Good, higher than 37% of U.S. zip markets). With under 500 installations the score is provisional.