Knox County, ME solar installation & market data
Updated December 20, 2024Older data · growth withheld By The SolarDNA Data Team
Knox County has 744 solar installations across 19 zip codes at a median installed cost of $3.49/W, recent growth not yet measurable, and an installs-weighted Market Score of 41.
Active installations
744
Zip markets
19
Median cost
$3.49/W
12-mo growth
—
Installers active
0
County Market Score
Good · installs-weighted across 19 zips
Best zip in Knox County scores higher than 79% of U.S. zip markets.
Versus Maine
How Knox County compares with the state
Installed cost
$0.22/W below
state median $3.71/W
Market score
41 vs 36
Maine scores 36
Share of state installs
4.41%
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
Knox County by year
158 installs in the trailing twelve months vs 112 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Knox County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|
Zip markets
Zips in Knox County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 04843 | 112 | $3.60 | 41 C |
| 04856 | 109 | $3.22 | 43 C |
| 04841 | 91 | $3.48 | 42 C |
| 04862 | 85 | $4.14 | 39 C |
| 04864 | 52 | $2.41 | 47 B |
| 04847 | 48 | $3.34 | 42 C |
| 04854 | 44 | $4.01 | 39 C |
| 04858 | 43 | $2.81 | 45 C |
| 04861 | 42 | $3.55 | 41 C |
| 04547 | 30 | $3.50 | 42 C |
| 04574 | 30 | — | 38 D |
| 04563 | 26 | — | 38 D |
| 04860 | 17 | $4.58 | 36 D |
| 04859 | 5 | $2.07 | 48 B |
| 04855 | 4 | $7.07 | 28 F |
| 04863 | 2 | $5.81 | 31 F |
| 04865 | 2 | — | 38 D |
| 04853 | 1 | — | 38 D |
| 04851 | 1 | $3.30 | 42 C |