Barnstable County, MA solar installation & market data
Updated December 11, 2024Older data · growth withheld By The SolarDNA Data Team
Barnstable County has 11,813 solar installations across 54 zip codes at a median installed cost of $4.23/W, recent growth not yet measurable, and an installs-weighted Market Score of 47.
Active installations
11,813
Zip markets
54
Median cost
$4.23/W
12-mo growth
—
Installers active
262
County Market Score
Great · installs-weighted across 54 zips
Best zip in Barnstable County scores higher than 88% of U.S. zip markets.
Versus Massachusetts
How Barnstable County compares with the state
Installed cost
$0.06/W above
state median $4.17/W
Market score
47 vs 58
Massachusetts scores 58
Share of state installs
8.28%
of 142.6K tracked statewide
Battery attach
3.5%
state 3.1%
Statewide momentum
▲ 22.8%
residential solar added in Massachusetts, 12 months through Jul 2026
Statewide market
233.7K systems
13.3% of homes · utility-reported through Jul 2026
Growth & pricing
Barnstable County by year
1,156 installs in the trailing twelve months vs 1,089 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Barnstable County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 2,693 | 71 | 52 | $5.16 |
| 2 | SUNRUN | 1,637 | 424 | 45 | $3.67 |
| 3 | MY GENERATION ENERGY | 1,109 | 118 | 50 | $3.74 |
| 4 | TRINITY SOLAR | 851 | 0 | 50 | $4.00 |
| 5 | COTUIT SOLAR | 798 | 76 | 48 | $3.81 |
| 6 | E2 SOLAR | 773 | 59 | 51 | $4.91 |
| 7 | SOLAR RISING | 602 | 60 | 48 | $3.38 |
| 8 | BLUE SELENIUM SOLAR | 241 | 0 | 38 | $5.12 |
| 9 | FREEDOM FOREVER | 205 | 56 | 40 | $3.96 |
| 10 | SUNPOWER | 192 | 51 | 39 | $4.26 |
| 11 | SUNGEVITY | 191 | 0 | 35 | $3.73 |
| 12 | CLEAN ENERGY DESIGN | 172 | 10 | 39 | $5.29 |
| 13 | ROOF DIAGNOSTICS SOLAR | 149 | 0 | 34 | $3.63 |
| 14 | SUNWIND SOLUTIONS | 135 | 22 | 36 | $3.43 |
| 15 | RGS ENERGY | 126 | 0 | 34 | $5.71 |
| 16 | ACE RESIDENTIAL SOLAR | 104 | 5 | 13 | $3.13 |
| 17 | DIRECT ENERGY SOLAR | 98 | 0 | 32 | $4.14 |
| 18 | SUNBUG SOLAR | 63 | 5 | 23 | $4.01 |
| 19 | PALMETTO SOLAR | 56 | 0 | 22 | $4.13 |
| 20 | CAZEAULT SOLAR | 56 | 12 | 28 | $4.02 |
| 21 | ACE SOLAR | 56 | 0 | 14 | $3.21 |
| 22 | BRIGHT PLANET SOLAR | 50 | 17 | 20 | $3.99 |
| 23 | SUMMIT ENERGY GROUP | 45 | 15 | 20 | $5.22 |
| 24 | BEAUMONT SOLAR | 41 | 0 | 18 | $5.13 |
| 25 | FALMOUTH SOLAR | 41 | 5 | 13 | $4.07 |
Zip markets
Zips in Barnstable County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 02536 | 921 | $4.15 | 50 B |
| 02645 | 663 | $4.51 | 47 B |
| 02631 | 656 | $4.28 | 48 B |
| 02649 | 647 | $4.28 | 48 B |
| 02601 | 608 | $3.77 | 50 B |
| 02642 | 534 | $4.33 | 47 B |
| 02667 | 520 | $4.20 | 47 B |
| 02532 | 500 | $4.41 | 46 B |
| 02540 | 483 | $4.08 | 48 B |
| 02664 | 449 | $4.47 | 46 B |
| 02632 | 449 | $4.28 | 47 B |
| 02563 | 408 | $4.28 | 47 B |
| 02673 | 405 | $4.33 | 46 B |
| 02653 | 398 | $4.15 | 47 B |
| 02633 | 313 | $4.26 | 46 B |
| 02648 | 278 | $4.16 | 46 B |
| 02666 | 243 | $4.17 | 46 B |
| 02644 | 213 | $4.28 | 46 B |
| 02660 | 183 | $4.25 | 46 B |
| 02537 | 183 | $4.02 | 47 B |
| 02635 | 181 | $4.21 | 46 B |
| 02559 | 174 | $4.07 | 46 B |
| 02630 | 172 | $4.54 | 44 C |
| 02657 | 169 | $4.43 | 45 C |
| 02556 | 159 | $4.10 | 46 B |
| 02652 | 158 | $3.85 | 47 B |
| 02638 | 143 | $4.84 | 43 C |
| 02639 | 138 | $4.42 | 45 C |
| 02675 | 136 | $4.20 | 46 B |
| 02562 | 131 | $4.04 | 46 B |
| 02668 | 123 | $3.85 | 47 B |
| 02651 | 122 | $4.51 | 44 C |
| 02655 | 114 | $3.86 | 47 B |
| 02646 | 86 | $4.91 | 42 C |
| 02670 | 80 | $4.08 | 46 B |
| 02643 | 74 | $3.81 | 47 B |
| 02659 | 68 | $4.14 | 46 B |
| 02543 | 65 | $4.19 | 45 C |
| 02663 | 57 | $4.00 | 46 B |
| 02650 | 57 | $3.90 | 47 B |
| 02671 | 45 | $3.90 | 47 B |
| 02534 | 43 | $4.70 | 43 C |
| 02662 | 42 | $3.66 | 48 B |
| 02641 | 40 | $4.10 | 46 B |
| 02574 | 31 | $3.58 | 48 B |
| 02553 | 29 | $4.51 | 44 C |
| 02672 | 23 | $3.79 | 47 B |
| 02637 | 21 | $3.97 | 46 B |
| 02561 | 21 | $3.90 | 46 B |
| 02661 | 20 | $4.71 | 43 C |
| 02669 | 16 | $4.30 | 44 C |
| 02634 | 13 | $4.72 | 42 C |
| 02647 | 7 | $4.27 | 45 C |
| 02541 | 1 | $5.34 | 40 C |