Bywatts

Solar Companies in New Hampshire

Bywatts lists 14 solar companies in New Hampshire.

14Companies
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View New Hampshire on the map

Top cities: Nashua (2) · Manchester (2) · Swanzey (1) · Stratham (1) · Salem (1) · Rye (1)

Companies by category
New Hampshire solar companies by categoryGeneration Systems12Manufacturers10Energy Consultants7Design & Engineering6Installers & Field Serv…Installers & Field Services5Training & Certificatio…Training & Certification Providers3Operations & Maintenance3Finance & Legal Services3

How much hail and wind New Hampshire solar sees

If your company owns or insures solar in New Hampshire, riverine flooding is the weather peril most likely to damage the panels, and Rockingham County carries the highest exposure of the 10 rated counties.

See how much hail your panels can take across New Hampshire counties

Source: FEMA National Risk Index, modeled by Bywatts. Full county ranking and methodology at the link.

All 14 companies in New Hampshire

CompanyCityWebsite
H2DC PLLCMasonVisit site
Marmon UtilityMilfordVisit site
Alumni VenturesManchesterVisit site
Endurance Solar Solutions Inc.NashuaVisit site
EZ-CRETE LLCSwanzeyVisit site
Freedom Energy LogisticsAuburnVisit site
Landfill SolarDerryVisit site
LED Lighting SupplyNashuaVisit site
Micross ComponentsManchesterVisit site
Milton RentsPlaistowVisit site
Partner Engineering & Science, Inc.LondonderryVisit site
Southwest Research InstituteDurhamVisit site
Great Bay RenewablesPortsmouthVisit site
GPRSNew HampshireVisit site

New Hampshire at a glance

New Hampshire has 59 operating power plants (4.6 GW, led by Natural Gas), 6 named substations, 1 data center, 67 solar installers and 14 solar companies on Bywatts; retail electricity sales were 11.1 TWh in 2025 (EIA), up 1.0% over ten years.