Solar installers in Rockingham County
32 companies have installed solar on 218 homes here since 2023. Covers Derry, Salem, Londonderry, Portsmouth, Hampton, Exeter and nearby towns.
| Installer | Homes since 2023 | Median price in state |
|---|---|---|
| ReVision Energy | 78 | $3.56/W |
| Granite State Solar | 19 | $2.89/W$0.69 below median |
| Harmony Energy Works | 18 | $3.35/W$0.23 below median |
| All Energy Solar | 14 | $4.08/W$0.50 above median |
| 603 Solar | 12 | — |
| Summit Energy GroupBased in Davis, CA · (530) 304-9429 | 12 | $4.93/W$1.35 above median |
| Venture Home SolarBased in Stamford, CT · (203) 858-3051 | 10 | — |
| Sunergy Systems | 8 | — |
| Sunup SolarBased in Long Beach, CA · (623) 643-8559 | 7 | — |
| Trinity SolarBased in Chester, NY · (732) 780-3779 | 7 | — |
| Devlin Contracting Maintenance | 4 | — |
| TeslaBased in Fremont, CA · (702) 680-6683 | 4 | — |
| Sundial Solar NJ | 3 | — |
| Energy Shield Of NH | 2 | — |
| Justin Krogue | 2 | — |
| Sre Utility Solar | 2 | — |
| Complete SolarBased in Lehi, UT · (877) 299-4943 | 1 | — |
| Freedom Renewable Energy | 1 | — |
| Gary Bergeron | 1 | — |
| Harvey Woods | 1 | — |
| Laplante Electric | 1 | — |
| New England Clean Energy | 1 | — |
| Nuwatt EnergyBased in Woburn, MA · (877) 772-6357 | 1 | — |
| Porter Electrical Contracting | 1 | — |
| SavkatBased in Southington, CT · (800) 860-6932 | 1 | — |
| Solaflect Energy | 1 | $5.18/W$1.60 above median |
| Solar ContractorsBased in Temple City, CA · (626) 353-4787 | 1 | — |
| Srsolarnh | 1 | — |
| Sunergy Solutions | 1 | — |
| Sunray Solar | 1 | — |
| Synergy Power CaBased in Livermore, CA · (925) 273-3515 | 1 | — |
| Team Sunshine ConstructionBased in Hudson, MA · (617) 580-8649 | 1 | — |
Ranked by homes installed, which shows who’s active here, not who’s best. Prices are each company’s median for systems sold outright, shown when it sold at least 10.
Towns in Rockingham County: Derry, Salem, Londonderry, Portsmouth, Hampton, Exeter, Windham, Raymond, Newmarket, Hampstead, Seabrook, Plaistow.
How much does solar cost in Rockingham County, NH?
Homes in Rockingham County that bought solar in 2023–2025 paid a median $3.37/W installed, about $35,400 for a 10.5 kW system before incentives.
Which solar companies install in Rockingham County, NH?
32 installers have put in home systems in Rockingham County since 2023, the busiest being ReVision Energy, Granite State Solar, Harmony Energy Works, All Energy Solar, 603 Solar.
Installed prices and installers from public installation records: Lawrence Berkeley National Laboratory’s Tracking the Sun (systems installed through 2025) and state program files from California, New York, New Jersey, Connecticut, Illinois and Oregon, which run into 2026. Prices are in dollars per watt of panel capacity (DC), before rebates and tax credits, for homes that bought their system; leased systems and systems with batteries are left out.