Portsmouth, NH solar installation & market data
Updated September 20, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Portsmouth has 157 solar installations across 3 zip codes at a median installed cost of $3.29/W, recent growth not yet measurable, and an installs-weighted Market Score of 45.
Active installations
157
Zip markets
3
Median cost
$3.29/W
12-mo growth
—
Installers active
25
City Market Score
Good · installs-weighted across 3 zips
Best zip in Portsmouth scores higher than 75% of U.S. zip markets.
Versus New Hampshire
How Portsmouth compares with the state
Installed cost
$0.15/W below
state median $3.44/W
Market score
45 vs 35
New Hampshire scores 35
Share of state installs
1.54%
of 10.2K tracked statewide
Battery attach
0.0%
state 0.0%
Statewide momentum
▼ 26.2%
residential solar added in New Hampshire, 12 months through Jul 2026
Statewide market
27.3K systems
6.5% of homes · utility-reported through Jul 2026
Growth & pricing
Portsmouth by year
5 installs in the trailing twelve months vs 18 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Portsmouth
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | REVISION ENERGY | 77 | 0 | 2 | $3.17 |
| 2 | HARMONY ENERGY WORKS | 25 | 0 | 1 | $3.18 |
| 3 | GRANITE STATE SOLAR | 8 | 0 | 1 | $3.49 |
| 4 | SUMMIT ENERGY GROUP | 4 | 0 | 1 | $6.52 |
| 5 | TESLA | 4 | 0 | 1 | $4.06 |
| 6 | SUNRAY SOLAR | 3 | 0 | 1 | $3.36 |
| 7 | GOSOLAR NH | 3 | 0 | 1 | $3.08 |
| 8 | BIG SKY RENEWABLE ENERGY | 2 | 0 | 1 | $4.24 |
| 9 | ENDEAVORS | 2 | 0 | 1 | $3.14 |
| 10 | SUNRUN | 2 | 0 | 1 | $4.92 |
| 11 | TRINITY SOLAR | 2 | 2 | 1 | — |
| 12 | BRIGHT LIGHT SOLAR | 1 | 0 | 1 | $3.67 |
| 13 | SCARPONI ELECTRIC | 1 | 0 | 1 | $5.28 |
| 14 | INTEGRATED SOLAR | 1 | 0 | 1 | $6.36 |
| 15 | FRASE ELECTRIC | 1 | 0 | 1 | $2.69 |
| 16 | RGS ENERGY | 1 | 0 | 1 | $4.39 |
| 17 | ETE SOLAR | 1 | 0 | 1 | $3.33 |
| 18 | SEACOAST ENERGY ALTERNATIVES | 1 | 0 | 1 | $3.36 |
| 19 | ENERGY SHIELD OF NH | 1 | 0 | 1 | — |
| 20 | 603 SOLAR | 1 | 0 | 1 | $3.39 |
| 21 | SUNERGY SYSTEMS | 1 | 0 | 1 | $3.57 |
| 22 | SEACOAST ENERGY | 1 | 0 | 1 | $4.27 |
| 23 | INTELLIGENT HEAT AND POWER | 1 | 0 | 1 | $3.16 |
| 24 | EMPOWER ENERGY SOLUTIONS | 1 | 0 | 1 | — |
| 25 | AYER ELECTRIC | 1 | 0 | 1 | $4.58 |