Franklin County, ME solar installation & market data
Updated December 19, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Franklin County has 254 solar installations across 17 zip codes at a median installed cost of $3.42/W, recent growth not yet measurable, and an installs-weighted Market Score of 40.
Active installations
254
Zip markets
17
Median cost
$3.42/W
12-mo growth
—
Installers active
0
County Market Score
Good · installs-weighted across 17 zips
Best zip in Franklin County scores higher than 56% of U.S. zip markets.
Versus Maine
How Franklin County compares with the state
Installed cost
$0.29/W below
state median $3.71/W
Market score
40 vs 36
Maine scores 36
Share of state installs
1.51%
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
Franklin County by year
97 installs in the trailing twelve months vs 33 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Franklin County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|
Zip markets
Zips in Franklin County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 04938 | 83 | $3.24 | 43 C |
| 04294 | 37 | $3.83 | 40 C |
| 04955 | 33 | — | 38 D |
| 04970 | 22 | — | 38 D |
| 04947 | 22 | — | 38 D |
| 04239 | 16 | — | 38 D |
| 04983 | 11 | — | 38 D |
| 04966 | 7 | — | 38 D |
| 04982 | 5 | — | 38 D |
| 04285 | 4 | — | 38 D |
| 04936 | 4 | — | 38 D |
| 04984 | 3 | — | 38 D |
| 04964 | 2 | — | 38 D |
| 04956 | 2 | — | 38 D |
| 04992 | 1 | — | 38 D |
| 04940 | 1 | — | 38 D |
| 04227 | 1 | — | 38 D |