Directory of Power Plants in New Hampshire
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Seabrook | NextEra Energy Seabrook LLC | Seabrook, NH | ISO New England (ISNE) | 9.7 TWh | Jul 1990 | Jan 2025 | Nuclear |
| Granite Ridge | Granite Ridge Energy LLC | Londonderry, NH | ISO New England (ISNE) | 3.1 TWh | Feb 2003 | Jan 2025 | Natural Gas |
| Newington | Essential Power Operating Services, LLC | Newington, NH | ISO New England (ISNE) | 1.3 TWh | Sep 2002 | Jan 2025 | Natural Gas : 94.8% Distillate Fuel Oil : 5.2% |
| Burgess BioPower | Berlin Station, LLC | Berlin, NH | ISO New England (ISNE) | 496.2 GWh | Oct 2013 | Dec 2023 | Wood/Wood Waste Solids : 98.3% Distillate Fuel Oil : 1.7% |
| Comerford | Great River Hydro, LLC | Monroe, NH | ISO New England (ISNE) | 405.1 GWh | Aug 1930 | Dec 2023 | Water |
| S C Moore | Great River Hydro, LLC | Littleton, NH | ISO New England (ISNE) | 327.6 GWh | Dec 1956 | Dec 2023 | Water |
| Merrimack | Granite Shore Power | Bow, NH | ISO New England (ISNE) | 294.4 GWh | Nov 1960 | Jan 2025 | Bituminous Coal : 99.6% |
| Granite Reliable Power | NexteraEnergy | Dummer, NH | ISO New England (ISNE) | 197.8 GWh | Jan 2012 | Jan 2025 | Wind |
| Berlin Gorham | Great Lakes Hydro America LLC | Berlin, NH | ISO New England (ISNE) | 168.0 GWh | Dec 1913 | Dec 2023 | Water |
| Smith (NH) | Central Rivers Power NH, LLC | Berlin, NH | ISO New England (ISNE) | 122.7 GWh | Jul 1948 | Dec 2023 | Water |
| Amoskeag | Central Rivers Power NH, LLC | Manchester, NH | ISO New England (ISNE) | 113.9 GWh | Jul 1922 | Dec 2023 | Water |
| Bridgewater Power LP | Bridgewater Power Co LP | Bridgewater, NH | ISO New England (ISNE) | 109.2 GWh | Jul 1987 | Dec 2023 | Wood/Wood Waste Solids : 99.8% |
| Groton Wind LLC | Avangrid Renewables LLC | Groton, NH | ISO New England (ISNE) | 108.6 GWh | Nov 2012 | Jan 2025 | Wind |
| Wheelabrator Concord Facility | Wheelabrator Environmental Systems | Concord, NH | ISO New England (ISNE) | 93.7 GWh | Mar 1989 | Jan 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Newington | Granite Shore Power | Newington, NH | ISO New England (ISNE) | 80.5 GWh | May 1974 | Jan 2025 | Natural Gas : 64.7% Residual Fuel Oil : 35.0% |
| Antrim Wind | Antrim Wind Energy LLC | Antrim, NH | ISO New England (ISNE) | 73.5 GWh | Nov 2019 | Jan 2025 | Wind |
| Lempster Wind LLC | Avangrid Renewables LLC | Lempster, NH | ISO New England (ISNE) | 64.3 GWh | Nov 2008 | Jan 2025 | Wind |
| Pontook Hydro Facility | Pontook Operating LP | Dummer, NH | ISO New England (ISNE) | 57.8 GWh | Nov 1986 | Dec 2023 | Water |
| Ayers Island | Central Rivers Power NH, LLC | Bristol, NH | ISO New England (ISNE) | 54.4 GWh | Jul 1925 | Dec 2023 | Water |
| UNH 7.9 MW Plant | Emcor Energy Services | Durham, NH | ISO New England (ISNE) | 49.7 GWh | Aug 2006 | Jan 2025 | Landfill Gas : 74.0% Natural Gas : 24.4% Distillate Fuel Oil : 1.6% |
| Turnkey Landfill Gas Recovery | WM Renewable Energy LLC | Rochester, NH | ISO New England (ISNE) | 44.8 GWh | Jan 1992 | Dec 2023 | Landfill Gas |
| Garvins Falls | Central Rivers Power NH, LLC | Bow, NH | ISO New England (ISNE) | 44.2 GWh | Jul 1925 | Dec 2023 | Water |
| Eastman Falls | Central Rivers Power NH, LLC | Franklin, NH | ISO New England (ISNE) | 33.2 GWh | Jul 1937 | Dec 2023 | Water |
| Dodge Falls Associates | Dodge Falls Associates LP | Bath, NH | ISO New England (ISNE) | 32.3 GWh | Nov 1990 | Dec 2023 | Water |
| NE Renewable Springfield, LLC | NE Renewable Springfield, LLC | Springfield, NH | ISO New England (ISNE) | 32.0 GWh | Nov 1987 | Dec 2023 | Wood/Wood Waste Solids |
| Rolfe Canal Hydro | Briar-Hydro Associates | Penacook, NH | ISO New England (ISNE) | 27.8 GWh | Nov 1987 | Dec 2023 | Water |
| Hampton Facility | Foss Manufacturing Company LLC | Hampton, NH | ISO New England (ISNE) | 22.7 GWh | Sep 1978 | Jan 2025 | Natural Gas |
| Penacook Lower Falls | Briar-Hydro Associates | Boscawen, NH | ISO New England (ISNE) | 22.6 GWh | Jul 1983 | Dec 2023 | Water |
| Jericho Power | Jericho Power LLC | Berlin, NH | ISO New England (ISNE) | 21.8 GWh | Dec 2015 | Jan 2025 | Wind |
| Mine Falls Generating Station | City of Nashua, NH | Nashua, NH | ISO New England (ISNE) | 20.2 GWh | Nov 1985 | Dec 2023 | Water |
| Penacook Upper Falls Hydro | Briar-Hydro Associates | Penacook, NH | ISO New England (ISNE) | 17.1 GWh | Nov 1986 | Dec 2023 | Water |
| Errol Hydroelectric Project | Errol Hydroelectric Co LLC | Errol, NH | ISO New England (ISNE) | 16.2 GWh | Oct 1986 | Dec 2023 | Water |
| Pembroke Hydro | Eagle Creek Renewable Energy, LLC | Suncook, NH | ISO New England (ISNE) | 15.4 GWh | Nov 1985 | Dec 2023 | Water |
| Nashua Plant | EPP Renewable Energy | Nashua, NH | ISO New England (ISNE) | 13.8 GWh | Mar 1996 | Dec 2023 | Landfill Gas |
| Gregg Falls | Eagle Creek Renewable Energy, LLC | Goffstown, NH | ISO New England (ISNE) | 13.7 GWh | Nov 1985 | Dec 2023 | Water |
| NE Renewable Whitefield, LLC | NE Renewable Whitefield, LLC | Whitefield, NH | ISO New England (ISNE) | 13.0 GWh | Feb 1988 | Dec 2023 | Wood/Wood Waste Solids |
| Jackman | Central Rivers Power NH, LLC | Hillsborough, NH | ISO New England (ISNE) | 12.7 GWh | Jan 1926 | Dec 2023 | Water |
| Gorham | Central Rivers Power NH, LLC | Gorham, NH | ISO New England (ISNE) | 12.1 GWh | Jul 1917 | Dec 2023 | Water |
| Clement Dam Hydro LLC | Eagle Creek Renewable Energy, LLC | Tilton, NH | ISO New England (ISNE) | 11.9 GWh | Nov 1984 | Dec 2023 | Water |
| Dartmouth College Heating Plant | Dartmouth College | Hanover, NH | ISO New England (ISNE) | 9.9 GWh | Dec 1969 | Jan 2025 | Residual Fuel Oil |
| Stevens Mills Dam | Eagle Creek Renewable Energy, LLC | Franklin, NH | ISO New England (ISNE) | 9.8 GWh | May 1982 | Dec 2023 | Water |
| Milton Hydro | SFR Hydro Cor | Milton, NH | ISO New England (ISNE) | 8.2 GWh | Dec 1913 | Dec 2023 | Water |
| Newfound Hydroelectric | Eagle Creek Renewable Energy, LLC | Bristol, NH | ISO New England (ISNE) | 8.1 GWh | Nov 1983 | Dec 2023 | Water |
| Lower Village Water Power Project | Sugar River Power LLC | Claremont, NH | ISO New England (ISNE) | 6.4 GWh | Apr 1995 | Dec 2023 | Water |
| Somersworth Lower Great Dam | Green Mountain Power Corp | Somersworth, NH | ISO New England (ISNE) | 5.0 GWh | Jun 1985 | Dec 2023 | Water |
| Lochmere Hydroelectric Plant | Eagle Creek Renewable Energy, LLC | Tilton, NH | ISO New England (ISNE) | 4.3 GWh | Nov 1984 | Dec 2023 | Water |
| Rollinsford | Green Mountain Power Corp | Rollinsford, NH | ISO New England (ISNE) | 4.0 GWh | Sep 1986 | Dec 2023 | Water |
| China Mill Hydro | New Hampshire Hydro Associates | Allenstown, NH | ISO New England (ISNE) | 4.0 GWh | Jun 1981 | Dec 2023 | Water |
| EHC West Hopkinton | Green Mountain Power Corp | West Hopkinton, NH | ISO New England (ISNE) | 4.0 GWh | Jun 1985 | Dec 2023 | Water |
| Mascoma Hydro | Green Mountain Power Corp | W. Lebanon, NH | ISO New England (ISNE) | 3.5 GWh | Nov 1988 | Dec 2023 | Water |
| Merrimack Solar Farm, LLC | Merrimack Solar Farm | Merrimack, NH | ISO New England (ISNE) | 3.3 GWh | Dec 2018 | Dec 2023 | Solar |
| Hooksett | Central Rivers Power NH, LLC | Hooksett, NH | ISO New England (ISNE) | 3.0 GWh | Jul 1927 | Dec 2023 | Water |
| Hillsborough Hosiery | Silverstreet Hydro | Hillsboro, NH | ISO New England (ISNE) | 2.4 GWh | Nov 1989 | Dec 2023 | Water |
| Schiller | Granite Shore Power | Portsmouth, NH | ISO New England (ISNE) | 590.0 MWh | Sep 1952 | Nov 2024 | Jet Fuel |
| White Lake | Granite Shore Power | Tamworth, NH | ISO New England (ISNE) | 552.0 MWh | Jun 1968 | Dec 2023 | Jet Fuel |
| Lost Nation | Granite Shore Power | Groveton, NH | ISO New England (ISNE) | 428.0 MWh | Aug 1969 | Dec 2023 | Distillate Fuel Oil |
Browse Power Plants By New Hampshire Counties
Figures are based on January 2025 generation numbers.| County | State Rank | Active Plants | Jan 2025 Generation |
|---|---|---|---|
| Rockingham County, NH | # 1 | 6 | 14.1 TWh |
| Coos County, NH | # 2 | 12 | 1.1 TWh |
| Grafton County, NH | # 3 | 12 | 1.1 TWh |
| Merrimack County, NH | # 4 | 14 | 569.2 GWh |
| Hillsborough County, NH | # 5 | 11 | 253.6 GWh |
| County | State Rank | Active Plants | Jan 2025 Generation |
|---|---|---|---|
| Strafford County, NH | # 6 | 6 | 111.7 GWh |
| Sullivan County, NH | # 7 | 6 | 102.7 GWh |
| Belknap County, NH | # 8 | 2 | 16.2 GWh |
| Carroll County, NH | # 9 | 3 | 552.0 MWh |