South Portland, ME solar installation & market data
Updated December 20, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
South Portland has 236 solar installations across 1 zip code at a median installed cost of $3.72/W, recent growth not yet measurable, and an installs-weighted Market Score of 42.
Active installations
236
Zip markets
1
Median cost
$3.72/W
12-mo growth
—
Installers active
0
City Market Score
Good · installs-weighted across 1 zips
Best zip in South Portland scores higher than 46% of U.S. zip markets.
Versus Maine
How South Portland compares with the state
Installed cost
$0.01/W above
state median $3.71/W
Market score
42 vs 36
Maine scores 36
Share of state installs
1.40%
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
South Portland by year
74 installs in the trailing twelve months vs 30 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in South Portland
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|
Zip markets
Zips in South Portland
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 04106 | 236 | $3.72 | 42 C |