Kennebec County, ME solar installation & market data
Updated December 31, 2024Older data · growth withheld By The SolarDNA Data Team
Kennebec County has 1,130 solar installations across 28 zip codes at a median installed cost of $3.69/W, recent growth not yet measurable, and an installs-weighted Market Score of 40.
Active installations
1,130
Zip markets
28
Median cost
$3.69/W
12-mo growth
—
Installers active
0
County Market Score
Good · installs-weighted across 28 zips
Best zip in Kennebec County scores higher than 73% of U.S. zip markets.
Versus Maine
How Kennebec County compares with the state
Installed cost
$0.02/W below
state median $3.71/W
Market score
40 vs 36
Maine scores 36
Share of state installs
6.70%
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
Kennebec County by year
412 installs in the trailing twelve months vs 193 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Kennebec County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|
Zip markets
Zips in Kennebec County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 04330 | 227 | $3.88 | 41 C |
| 04901 | 175 | $3.83 | 41 C |
| 04963 | 76 | $2.55 | 46 B |
| 04345 | 72 | $3.86 | 40 C |
| 04989 | 61 | $2.94 | 44 C |
| 04355 | 51 | $3.46 | 42 C |
| 04364 | 47 | — | 38 D |
| 04917 | 46 | $4.75 | 36 D |
| 04347 | 38 | $4.00 | 39 C |
| 04350 | 37 | — | 38 D |
| 04259 | 36 | — | 38 D |
| 04284 | 34 | — | 38 D |
| 04926 | 28 | — | 38 D |
| 04351 | 27 | $3.85 | 40 C |
| 04910 | 24 | — | 38 D |
| 04363 | 23 | $3.53 | 41 C |
| 04927 | 22 | — | 38 D |
| 04352 | 21 | $3.66 | 41 C |
| 04344 | 20 | — | 38 D |
| 04349 | 19 | $3.70 | 41 C |
| 04360 | 16 | — | 38 D |
| 04346 | 10 | — | 38 D |
| 04358 | 8 | — | 38 D |
| 04265 | 5 | — | 38 D |
| 04903 | 3 | $3.73 | 40 C |
| 04359 | 2 | — | 38 D |
| 04332 | 1 | — | 38 D |
| 04338 | 1 | — | 38 D |