Penobscot County, ME solar installation & market data
Updated December 23, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Penobscot County has 201 solar installations across 25 zip codes at a median installed cost of $3.76/W, recent growth not yet measurable, and an installs-weighted Market Score of 39.
Active installations
201
Zip markets
25
Median cost
$3.76/W
12-mo growth
—
Installers active
0
County Market Score
Good · installs-weighted across 25 zips
Best zip in Penobscot County scores higher than 79% of U.S. zip markets.
Versus Maine
How Penobscot County compares with the state
Installed cost
$0.05/W above
state median $3.71/W
Market score
39 vs 36
Maine scores 36
Share of state installs
1.19%
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
Penobscot County by year
80 installs in the trailing twelve months vs 37 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Penobscot County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|
Zip markets
Zips in Penobscot County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 04401 | 39 | $4.30 | 38 D |
| 04953 | 28 | $2.13 | 48 B |
| 04456 | 19 | — | 38 D |
| 04419 | 17 | — | 38 D |
| 04930 | 17 | — | 38 D |
| 04434 | 12 | — | 38 D |
| 04928 | 11 | — | 38 D |
| 04969 | 10 | — | 38 D |
| 04488 | 10 | — | 38 D |
| 04932 | 10 | $5.23 | 33 D |
| 04444 | 5 | $3.16 | 43 C |
| 04939 | 4 | $4.50 | 37 D |
| 04473 | 3 | $3.68 | 41 C |
| 04429 | 2 | $3.25 | 43 C |
| 04450 | 2 | — | 38 D |
| 04468 | 2 | $3.75 | 40 C |
| 04430 | 2 | — | 38 D |
| 04475 | 1 | — | 38 D |
| 04402 | 1 | $4.75 | 36 D |
| 04428 | 1 | $2.99 | 44 C |
| 04427 | 1 | $4.43 | 37 D |
| 04422 | 1 | $3.41 | 42 C |
| 04457 | 1 | $5.68 | 31 F |
| 04412 | 1 | $12.48 | 28 F |
| 04469 | 1 | $4.00 | 39 C |