How many natural gas power plants are in New Hampshire?

3, with 1 GW of nameplate capacity between them, spread over 1 county. That is the EIA-860M operating count for 2026-07.

Is there a map of New Hampshire natural gas power plants?

Yes — the map above. Each dot is one natural gas power plant, sized by nameplate capacity and placed at the coordinates EIA files for it.

Which is the largest natural gas power plant in New Hampshire?

Granite Ridge, at 790 MW. The table is sorted largest first, so the rest follow it.

Is there a natural gas power plant 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 natural gas power plants?

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. Combined cycle, combustion turbine, steam turbine, internal combustion and other gas-fired units. 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.

Natural Gas Power Plants in New Hampshire

Every operating natural gas power plant in New Hampshire on EIA-860M for 2026-07: 3 plants, 7 generating units and 1 GW of nameplate capacity across 1 county, 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: 3; 7 generating units
Nameplate capacity: 1 GW
Counties: 1
Grid operator: ISO New England; covers most of these plants

Map of natural gas power plants in New Hampshire

Every one of the 3 plants is drawn at the coordinate EIA files for it.

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Natural gas · 3

List of natural gas power plants in New Hampshire

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

natural gas power plants in New Hampshire

Granite RidgeNatural Gas Fired Combined Cycle	Granite Ridge Energy LLC	Rockingham	790	3	2003	Operating
Newington Energy CenterNatural Gas Fired Combined Cycle	Essential Power Operating Services, LLC	Rockingham	605.5	3	2002	Operating
Hampton FacilityNatural Gas Fired Combustion Turbine	Foss Manufacturing Company LLC	Rockingham	5	1	2000	Operating

Largest natural gas power plants in New Hampshire

1Granite RidgeRockingham County, New Hampshire790 MW
2Newington Energy CenterRockingham County, New Hampshire605.5 MW
3Hampton FacilityRockingham County, New Hampshire5 MW

Natural gas power plants 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
Rockingham	3	1,400.5

Natural Gas Power Plants in New Hampshire: FAQ

How many natural gas power plants are in New Hampshire?: 3, with 1 GW of nameplate capacity between them, spread over 1 county. That is the EIA-860M operating count for 2026-07.
Is there a map of New Hampshire natural gas power plants?: Yes — the map above. Each dot is one natural gas power plant, sized by nameplate capacity and placed at the coordinates EIA files for it.
Which is the largest natural gas power plant in New Hampshire?: Granite Ridge, at 790 MW. The table is sorted largest first, so the rest follow it.
Is there a natural gas power plant 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 natural gas power plants?: 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. Combined cycle, combustion turbine, steam turbine, internal combustion and other gas-fired units. 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.