Directory of Power Plants in New Hampshire
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Amoskeag | Central Rivers Power NH, LLC | Manchester, NH | ISO New England (ISNE) | 85.2 GWh | Jul 1922 | Dec 2022 | Water |
| Antrim Wind | Antrim Wind Energy LLC | Antrim, NH | ISO New England (ISNE) | 76.9 GWh | Nov 2019 | Feb 2024 | Wind |
| Ayers Island | Central Rivers Power NH, LLC | Bristol, NH | ISO New England (ISNE) | 45.5 GWh | Jul 1925 | Dec 2022 | Water |
| Berlin Gorham | Great Lakes Hydro America LLC | Berlin, NH | ISO New England (ISNE) | 148.8 GWh | Dec 1913 | Dec 2022 | Water |
| Bridgewater Power LP | Bridgewater Power Co LP | Bridgewater, NH | ISO New England (ISNE) | 125.9 GWh | Jul 1987 | Dec 2022 | Wood/Wood Waste Solids : 99.9% |
| Burgess BioPower | Berlin Station, LLC | Berlin, NH | ISO New England (ISNE) | 588.4 GWh | Oct 2013 | Dec 2022 | Wood/Wood Waste Solids |
| China Mill Hydro | New Hampshire Hydro Associates | Allenstown, NH | ISO New England (ISNE) | 3.7 GWh | Jun 1981 | Dec 2022 | Water |
| Clement Dam Hydro LLC | Eagle Creek Renewable Energy, LLC | Tilton, NH | ISO New England (ISNE) | 9.0 GWh | Nov 1984 | Dec 2022 | Water |
| Comerford | Great River Hydro, LLC | Monroe, NH | ISO New England (ISNE) | 345.9 GWh | Aug 1930 | Dec 2022 | Water |
| Dartmouth College Heating Plant | Dartmouth College | Hanover, NH | ISO New England (ISNE) | 12.4 GWh | Dec 1969 | Feb 2024 | Residual Fuel Oil |
| Dodge Falls Associates | Dodge Falls Associates LP | Bath, NH | ISO New England (ISNE) | 13.2 GWh | Nov 1990 | Dec 2022 | Water |
| Eastman Falls | Central Rivers Power NH, LLC | Franklin, NH | ISO New England (ISNE) | 26.8 GWh | Jul 1937 | Dec 2022 | Water |
| EHC West Hopkinton | Green Mountain Power Corp | West Hopkinton, NH | ISO New England (ISNE) | 3.9 GWh | Jun 1985 | Dec 2022 | Water |
| Errol Hydroelectric Project | Errol Hydroelectric Co LLC | Errol, NH | ISO New England (ISNE) | 14.6 GWh | Oct 1986 | Dec 2022 | Water |
| Garvins Falls | Central Rivers Power NH, LLC | Bow, NH | ISO New England (ISNE) | 38.8 GWh | Jul 1925 | Dec 2022 | Water |
| Gorham | Central Rivers Power NH, LLC | Gorham, NH | ISO New England (ISNE) | 11.2 GWh | Jul 1917 | Dec 2022 | Water |
| Granite Reliable Power | NexteraEnergy | Dummer, NH | ISO New England (ISNE) | 199.0 GWh | Jan 2012 | Feb 2024 | Wind |
| Granite Ridge | Granite Ridge Energy LLC | Londonderry, NH | ISO New England (ISNE) | 3.7 TWh | Feb 2003 | Feb 2024 | Natural Gas |
| Gregg Falls | Eagle Creek Renewable Energy, LLC | Goffstown, NH | ISO New England (ISNE) | 10.5 GWh | Nov 1985 | Dec 2022 | Water |
| Groton Wind LLC | Avangrid Renewables LLC | Groton, NH | ISO New England (ISNE) | 112.5 GWh | Nov 2012 | Feb 2024 | Wind |
| Hampton Facility | Foss Manufacturing Company LLC | Hampton, NH | ISO New England (ISNE) | 30.1 GWh | Sep 1978 | Feb 2024 | Natural Gas |
| Hillsborough Hosiery | Silverstreet Hydro | Hillsboro, NH | ISO New England (ISNE) | 2.6 GWh | Nov 1989 | Dec 2022 | Water |
| Hooksett | Central Rivers Power NH, LLC | Hooksett, NH | ISO New England (ISNE) | 5.8 GWh | Jul 1927 | Dec 2022 | Water |
| Jackman | Central Rivers Power NH, LLC | Hillsborough, NH | ISO New England (ISNE) | 10.3 GWh | Jan 1926 | Dec 2022 | Water |
| Jericho Power | Jericho Power LLC | Berlin, NH | ISO New England (ISNE) | 15.6 GWh | Dec 2015 | Feb 2024 | Wind |
| Lempster Wind LLC | Avangrid Renewables LLC | Lempster, NH | ISO New England (ISNE) | 63.8 GWh | Nov 2008 | Feb 2024 | Wind |
| Lochmere Hydroelectric Plant | Eagle Creek Renewable Energy, LLC | Tilton, NH | ISO New England (ISNE) | 3.9 GWh | Nov 1984 | Dec 2022 | Water |
| Lost Nation | Granite Shore Power | Groveton, NH | ISO New England (ISNE) | 403.2 MWh | Aug 1969 | Dec 2022 | Distillate Fuel Oil |
| Lower Village Water Power Project | Sugar River Power LLC | Claremont, NH | ISO New England (ISNE) | 4.1 GWh | Apr 1995 | Dec 2022 | Water |
| Mascoma Hydro | Green Mountain Power Corp | W. Lebanon, NH | ISO New England (ISNE) | 1.4 GWh | Nov 1988 | Dec 2022 | Water |
| Merrimack | Granite Shore Power | Bow, NH | ISO New England (ISNE) | 190.4 GWh | Nov 1960 | Jan 2024 | Bituminous Coal : 99.1% Jet Fuel : 0.7% |
| Merrimack Solar Farm, LLC | Merrimack Solar Farm | Merrimack, NH | ISO New England (ISNE) | 4.0 GWh | Dec 2018 | Dec 2022 | Solar |
| Milton Hydro | SFR Hydro Cor | Milton, NH | ISO New England (ISNE) | 7.1 GWh | Dec 1913 | Dec 2022 | Water |
| Mine Falls Generating Station | City of Nashua, NH | Nashua, NH | ISO New England (ISNE) | 12.7 GWh | Nov 1985 | Dec 2022 | Water |
| Nashua Plant | EPP Renewable Energy | Nashua, NH | ISO New England (ISNE) | 13.2 GWh | Mar 1996 | Dec 2022 | Landfill Gas |
| NE Renewable Springfield, LLC | NE Renewable Springfield, LLC | Springfield, NH | ISO New England (ISNE) | 25.0 GWh | Nov 1987 | Dec 2022 | Wood/Wood Waste Solids |
| NE Renewable Tamworth, LLC | NE Renewable Tamworth, LLC | Tamworth, NH | ISO New England (ISNE) | 59.7 GWh | Nov 1987 | Apr 2022 | Wood/Wood Waste Solids |
| NE Renewable Whitefield, LLC | NE Renewable Whitefield, LLC | Whitefield, NH | ISO New England (ISNE) | 40.6 GWh | Feb 1988 | May 2022 | Wood/Wood Waste Solids |
| Newfound Hydroelectric | Eagle Creek Renewable Energy, LLC | Bristol, NH | ISO New England (ISNE) | 4.7 GWh | Nov 1983 | Dec 2022 | Water |
| Newington | Granite Shore Power | Newington, NH | ISO New England (ISNE) | 107.3 GWh | May 1974 | Nov 2023 | Residual Fuel Oil : 78.3% Natural Gas : 21.4% |
| Newington | Essential Power Operating Services, LLC | Newington, NH | ISO New England (ISNE) | 838.2 GWh | Sep 2002 | Jan 2024 | Natural Gas : 98.3% Distillate Fuel Oil : 1.7% |
| Pembroke Hydro | Eagle Creek Renewable Energy, LLC | Suncook, NH | ISO New England (ISNE) | 9.4 GWh | Nov 1985 | Dec 2022 | Water |
| Penacook Lower Falls | Briar-Hydro Associates | Boscawen, NH | ISO New England (ISNE) | 20.9 GWh | Jul 1983 | Dec 2022 | Water |
| Penacook Upper Falls Hydro | Briar-Hydro Associates | Penacook, NH | ISO New England (ISNE) | 13.2 GWh | Nov 1986 | Dec 2022 | Water |
| Pontook Hydro Facility | Pontook Operating LP | Dummer, NH | ISO New England (ISNE) | 46.5 GWh | Nov 1986 | Dec 2022 | Water |
| Rolfe Canal Hydro | Briar-Hydro Associates | Penacook, NH | ISO New England (ISNE) | 21.4 GWh | Nov 1987 | Dec 2022 | Water |
| Rollinsford | Green Mountain Power Corp | Rollinsford, NH | ISO New England (ISNE) | 5.3 GWh | Sep 1986 | Dec 2022 | Water |
| S C Moore | Great River Hydro, LLC | Littleton, NH | ISO New England (ISNE) | 265.7 GWh | Dec 1956 | Dec 2022 | Water |
| Schiller | Granite Shore Power | Portsmouth, NH | ISO New England (ISNE) | 587.0 MWh | Sep 1952 | Feb 2024 | Jet Fuel |
| Seabrook | NextEra Energy Seabrook LLC | Seabrook, NH | ISO New England (ISNE) | 10.4 TWh | Jul 1990 | Feb 2024 | Nuclear |
| Smith (NH) | Central Rivers Power NH, LLC | Berlin, NH | ISO New England (ISNE) | 103.1 GWh | Jul 1948 | Dec 2022 | Water |
| Somersworth Lower Great Dam | Green Mountain Power Corp | Somersworth, NH | ISO New England (ISNE) | 1.8 GWh | Jun 1985 | Dec 2022 | Water |
| Stevens Mills Dam | Eagle Creek Renewable Energy, LLC | Franklin, NH | ISO New England (ISNE) | 6.0 GWh | May 1982 | Dec 2022 | Water |
| Turnkey Landfill Gas Recovery | WM Renewable Energy LLC | Rochester, NH | ISO New England (ISNE) | 46.9 GWh | Jan 1992 | Dec 2022 | Landfill Gas |
| UNH 7.9 MW Plant | Emcor Energy Services | Durham, NH | ISO New England (ISNE) | 56.2 GWh | Aug 2006 | Feb 2024 | Landfill Gas : 72.6% Natural Gas : 26.3% Distillate Fuel Oil : 1.0% |
| Wheelabrator Concord Facility | Wheelabrator Environmental Systems | Concord, NH | ISO New England (ISNE) | 100.3 GWh | Mar 1989 | Feb 2024 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| White Lake | Granite Shore Power | Tamworth, NH | ISO New England (ISNE) | 1.9 GWh | Jun 1968 | Dec 2022 | Jet Fuel |
Browse Power Plants By New Hampshire Counties
Figures are based on December 2022 generation numbers.| County | State Rank | Active Plants | Dec 2022 Generation |
|---|---|---|---|
| Belknap County, NH | # 8 | 2 | 12.9 GWh |
| Carroll County, NH | # 9 | 3 | 1.9 GWh |
| Coos County, NH | # 2 | 12 | 1.1 TWh |
| Grafton County, NH | # 3 | 12 | 927.2 GWh |
| Hillsborough County, NH | # 5 | 11 | 215.5 GWh |
| County | State Rank | Active Plants | Dec 2022 Generation |
|---|---|---|---|
| Merrimack County, NH | # 4 | 14 | 440.5 GWh |
| Rockingham County, NH | # 1 | 6 | 15.1 TWh |
| Strafford County, NH | # 6 | 6 | 117.3 GWh |
| Sullivan County, NH | # 7 | 6 | 92.9 GWh |