How many solar farms are in New Hampshire?

2, with 4 MW of nameplate capacity between them, spread over 2 counties. That is the EIA-860M operating count for 2026-07.

Is there a map of New Hampshire solar farms?

Yes — the map above. Each dot is one solar farm, sized by nameplate capacity and placed at the coordinates EIA files for it.

Which is the largest solar farm in New Hampshire?

Merrimack Solar Farm, LLC, at 2 MW. The table is sorted largest first, so the rest follow it.

Is there a solar farm near me in New Hampshire?

The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.

Which grid operator runs New Hampshire's solar farms?

Most of them sit inside ISO New England, according to the balancing-authority code EIA files against each plant. Live conditions for that market are on this site.

How current is this, and what is left out?

EIA-860M for 2026-07. Solar photovoltaic and solar thermal, with and without storage. Utility-scale only: EIA-860M starts at 1 MW, so rooftop solar is not here. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.

Solar Farms in New Hampshire

Every operating solar farm in New Hampshire on EIA-860M for 2026-07: 2 plants, 2 generating units and 4 MW of nameplate capacity across 2 counties, most of it inside ISO New England.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Plants: 2; 2 generating units
Nameplate capacity: 4 MW
Counties: 2
Grid operator: ISO New England; covers most of these plants

Map of solar farms in New Hampshire

Every one of the 2 plants is drawn at the coordinate EIA files for it.

Loading map…

Solar · 2

List of solar farms in New Hampshire

Sort by any column. Capacity is nameplate, summed across every generating unit EIA lists at the site.

solar farms in New Hampshire

Merrimack Solar Farm, LLCSolar Photovoltaic	Merrimack Solar Farm	Hillsborough	2.4	1	2019	Operating
Blackwater Rd SolarSolar Photovoltaic	Blackwater Rd Solar LLC	Strafford	2	1	2025	Operating

Largest solar farms in New Hampshire

1Merrimack Solar Farm, LLCHillsborough County, New Hampshire2.4 MW
2Blackwater Rd SolarStrafford County, New Hampshire2 MW

Solar farms by county in New Hampshire

The county EIA files against each plant. It is the fastest way to find the plant nearest a given town.

County	Plants	Nameplate MW
Hillsborough	1	2.4
Strafford	1	2

Solar Farms in New Hampshire: FAQ

How many solar farms are in New Hampshire?: 2, with 4 MW of nameplate capacity between them, spread over 2 counties. That is the EIA-860M operating count for 2026-07.
Is there a map of New Hampshire solar farms?: Yes — the map above. Each dot is one solar farm, sized by nameplate capacity and placed at the coordinates EIA files for it.
Which is the largest solar farm in New Hampshire?: Merrimack Solar Farm, LLC, at 2 MW. The table is sorted largest first, so the rest follow it.
Is there a solar farm near me in New Hampshire?: The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.
Which grid operator runs New Hampshire's solar farms?: Most of them sit inside ISO New England, according to the balancing-authority code EIA files against each plant. Live conditions for that market are on this site.
How current is this, and what is left out?: EIA-860M for 2026-07. Solar photovoltaic and solar thermal, with and without storage. Utility-scale only: EIA-860M starts at 1 MW, so rooftop solar is not here. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.