Natural gas power plants in New Hampshire

3 operating natural gas power plants in New Hampshire with 1,401 MW of natural gas capacity, largest first. From EIA-860M, August 2026.

Plants

Natural gas capacity

1,401 MW

Net generation, 2025

5.34 TWh

Largest

Granite Ridge

790 MW

Largest natural gas power plants in New Hampshire

#	Plant	Natural gas MW	2025 net generation, GWhGWh, 2025	Capacity factor	Operator
1	Granite RidgeRockingham County	790	3,398	49.1%	Granite Ridge Energy LLC
2	Newington Energy CenterRockingham County	606	1,914	36.1%	Essential Power Operating Services, LLC
3	Hampton FacilityRockingham County	5.0	26.1	59.6%	Foss Manufacturing Company LLC

Projects where natural gas is the largest fuel or at least a fifth of nameplate capacity. MW is natural gas nameplate only; net generation covers the whole project. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

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