List of power stations in New Hampshire

Last updated

Sources of New Hampshire utility-scale electricity generation:
full-year 2023 [1]

Contents

  Nuclear (57.9%)
  Natural Gas (25.7%)
  Hydroelectric (7.7%)
  Biomass (4.6%)
  Wind (2.5%)
  Coal (1%)
  Petroleum (0.4%)
  Other (0.3%)

This is a list of electricity-generating power stations in the U.S. state of New Hampshire, sorted by type and name. In 2022, New Hampshire had a total summer capacity of 4,463 MW through all of its power plants, and a net generation of 18,764 GWh. [2] In 2023, the electrical energy generation mix was 57.9% nuclear, 25.7% natural gas, 7.7% hydroelectric, 4.6% biomass, 2.5% wind, 1% coal, 0.4% petroleum, and 0.3% other. Smaller-scale solar, which includes customer-owned photovoltaic panels, delivered an additional net 299 GWh to New Hampshire's electrical grid in 2023. [1]

During 2019, New Hampshire had two of the three coal power plants, and one of two nuclear power plants operating in New England. More electricity was generated than was consumed in-state. Renewables sources generated 17% of all electrical energy from New Hampshire. Wind generated more electricity than coal for the first time in 2016, while the state did not yet host a utility-scale (larger than 1 MW) solar power plant as of 2019. [3]

Nuclear power stations

NameLocationCoordinatesCapacity
(MW)
Year
Opened
Refs
Seabrook Nuclear Power Plant Rockingham County 42°53′56″N70°51′03″W / 42.89889°N 70.85083°W / 42.89889; -70.85083 (Seabrook Station) 12501990 [4] [5]

Fossil-fuel power stations

Data from the U.S. Energy Information Administration serves as a general reference. [6]

Coal-fired

NameLocationCoordinatesCapacity
(MW)
Year
Opened
Scheduled
Retirement
Refs
Merrimack StationMerrimack
County
43°08′28″N71°28′09″W / 43.1411°N 71.4692°W / 43.1411; -71.4692 (Merrimack Station) 4601960 (Unit 1- 114MW)
1968 (Unit 2- 346MW)
June 2028 [7] [8] [9] [10] [11]
Schiller StationRockingham
County
43°05′52″N70°47′03″W / 43.0978°N 70.7842°W / 43.0978; -70.7842 (Schiller Station) 1001949 (Unit 1- 20MW [A] )
1949 (Unit 2- 20MW [A] )
1949 (Unit 3- ??MW)
1952 (Unit 4- 50MW)
1955 (Unit 5- 50MW)
1957 (Unit 6- 50MW)
1968 (Unit 1- closed)
1968 (Unit 2- closed)
1991 (Unit 3- closed)
2025 (Unit 4- idled 2020 [12] [13] )
2006 (Unit 5- convert to wood)
2025 (Unit 6- idled 2020 [12] [13] )
[7] [14] [15]

A Schiller Units 1 & 2 operated in binary mercury-steam Rankine cycle configuration which was an early type of combined cycle configuration. [16]

Natural gas-fired

NameLocationCoordinatesCapacity
(MW)
Generation
Type
Year
Opened
Refs
Essential Power NewingtonRockingham County 43°06′17″N70°48′22″W / 43.1047°N 70.8061°W / 43.1047; -70.8061 (EP Newington) 605.52x1 Combined Cycle 2002 [17] [18]
Granite Ridge Energy CenterRockingham County 42°54′15″N71°25′34″W / 42.9042°N 71.4261°W / 42.9042; -71.4261 (Granite Ridge) 745.02x1 Combined Cycle2003 [19] [20]
Hampton Facility Gas PlantRockingham County 42°56′18″N70°50′26″W / 42.9383°N 70.8406°W / 42.9383; -70.8406 (Hampton) 5.0 Simple Cycle 2000 [21]
Newington Power PlantRockingham County 43°06′00″N70°47′27″W / 43.1000°N 70.7908°W / 43.1000; -70.7908 (Newington) 414.0 Steam Turbine 1974 [22] [23]

Petroleum-fired

NameLocationCoordinatesCapacity
(MW)
Generation
Type
Year
Opened
Refs
Dartmouth College Cogen PlantGrafton County 43°42′07″N72°17′12″W / 43.7019°N 72.2867°W / 43.7019; -72.2867 (Dartmouth College) 7.0 Steam Turbine (x3)1970 (4.0MW)
1992 (3.0MW)
[24] [25]
Lost Nation PlantCoos County 44°35′42″N71°29′40″W / 44.5951°N 71.4944°W / 44.5951; -71.4944 (Lost Nation) 18.0 Simple Cycle 1969 [26] [27]
Merrimack StationMerrimack
County
43°08′28″N71°28′09″W / 43.1411°N 71.4692°W / 43.1411; -71.4692 (Merrimack Station) 37.2Simple Cycle (x2)1968/1969 [8]
Plymouth College Cogen PlantGrafton County 43°45′52″N71°41′17″W / 43.7644°N 71.6881°W / 43.7644; -71.6881 (Plymouth College) 2.8 Reciprocating Engine (x2)1994 (1.2MW)
2000 (1.6MW)
[28] [29]
Schiller StationRockingham County 43°05′52″N70°47′03″W / 43.0978°N 70.7842°W / 43.0978; -70.7842 (Schiller Station) 21.2Simple Cycle1970 [14] [15]
White Lake PlantCarroll County 43°50′52″N71°12′25″W / 43.8478°N 71.2069°W / 43.8478; -71.2069 (White Lake) 18.6Simple Cycle1968 [30] [31]

Renewable power stations

Data from the U.S. Energy Information Administration serves as a general reference. [6]

Biomass and Municipal Waste

NameLocationCoordinatesCapacity
(MW)
Primary
Fuel
Generation
Type
Year
Opened
StatusRef
Bridgewater Power PlantGrafton County 43°42′56″N71°39′31″W / 43.7155°N 71.6585°W / 43.7155; -71.6585 (Bridgewater) 20wood chips Steam Turbine 1987 [32] [33]
Burgess BiopowerCoos County 44°28′19″N71°10′31″W / 44.4719°N 71.1753°W / 44.4719; -71.1753 (Burgess Biopower) 75wood wasteSteam Turbine2013Bankrupt in 2024. [34] [35]
D G Whitefield PlantCoos County 44°21′29″N71°32′42″W / 44.3580°N 71.5449°W / 44.3580; -71.5449 (Whitefield) 16wood wasteSteam Turbine1988idled 2019 [36] [37] [38] [39]
Indeck Energy Alexandria PlantGrafton County 43°33′39″N71°46′50″W / 43.5608°N 71.7806°W / 43.5608; -71.7806 (Indeck Alexandria) 15wood wasteSteam Turbine2008idled 2017 [40] [41] [42]
Nashua PlantHillsborough County 42°43′56″N71°31′21″W / 42.7323°N 71.5224°W / 42.7323; -71.5224 (Nashua Plant) 2.4 landfill gas Reciprocating Engine (x2)1996/2016 [43]
Pinetree Power PlantGrafton County 44°19′39″N71°40′48″W / 44.3274°N 71.6800°W / 44.3274; -71.6800 (Pinetree) 17.5wood wasteSteam Turbine1986 [44]
Pinetree Power Tamworth PlantCaroll County 43°50′09″N71°11′48″W / 43.8358°N 71.1967°W / 43.8358; -71.1967 (Pinetree Tamworth) 25wood wasteSteam Turbine1987 [45]
Schiller StationRockingham County 43°05′52″N70°47′03″W / 43.0978°N 70.7842°W / 43.0978; -70.7842 (Schiller Station) 50woodSteam Turbine2006idled 2020 [12] [13] [14] [15] [46]
Springfield Power PlantSullivan County 43°26′34″N72°03′22″W / 43.4429°N 72.0560°W / 43.4429; -72.0560 (Springfield) 20wood wasteSteam Turbine1987idled 2019 [36] [38]
Turnkey Landfill Gas PlantStrafford County 43°14′30″N70°57′59″W / 43.2416°N 70.9664°W / 43.2416; -70.9664 (Turnkey Landfill) 9.2 landfill gas Reciprocating Engine (x4)
Simple Cycle (x2)
1992/1993
1997
[47]
UNH Landfill Gas PlantStrafford County 43°08′12″N70°56′10″W / 43.1367°N 70.9361°W / 43.1367; -70.9361 (UNH Landfill) 7.9landfill gasSimple Cycle2009 [48]
Wheelabrator Claremont FacilitySullivan County 43°20′38″N72°22′38″W / 43.3440°N 72.3773°W / 43.3440; -72.3773 (Wheelabrator Claremont) 4.5 municipal solid waste Steam Turbine1989closed 2013 [49] [50]
Wheelabrator Concord FacilityMerrimack County 43°17′12″N71°34′37″W / 43.2866°N 71.5769°W / 43.2866; -71.5769 (Wheelabrator Concord) 14municipal solid waste
(biogenic and non-biogenic)
Steam Turbine1989 [51] [52]

Hydroelectric

NameLocationCoordinatesCapacity
(MW)
Number of
Turbines
Year
Opened
Refs
Amoskeag Hydropower Plant Hillsborough County 43°00′08″N71°28′20″W / 43.0022°N 71.4721°W / 43.0022; -71.4721 (Amoskeag Hydro) 1631922/1924 [53] [54] [55]
Ayers Island Hydropower Plant Grafton County 43°35′52″N71°43′04″W / 43.5978°N 71.7177°W / 43.5978; -71.7177 (Ayers Island Hydro) 8.431925 [53] [54] [56]
Berlin Gorham Hydropower Plant Coos County 44°23′20″N71°09′52″W / 44.3889°N 71.1645°W / 44.3889; -71.1645 (Berlin Gorham Hydro) 29.241914-1929/
1980
[53] [57]
Comerford Hydropower Station Grafton County 44°19′30″N72°00′04″W / 44.3251°N 72.0010°W / 44.3251; -72.0010 (Comerford Hydro) 16841930 [58] [59]
Dodge Falls Hydroelectric PlantGrafton County 44°12′29″N72°03′29″W / 44.2081°N 72.0581°W / 44.2081; -72.0581 (Dodge Falls Hydro) 5.011990 [60]
Eastman Falls Hydropower PlantMerrimack County 43°26′50″N71°39′28″W / 43.4472°N 71.6579°W / 43.4472; -71.6579 (Eastman Falls Hydro) 6.421937/1983 [53] [54] [61]
Errol Hydroelectric ProjectCoos County 44°47′12″N71°07′27″W / 44.7866°N 71.1243°W / 44.7866; -71.1243 (Errol Hydro) 3.011986 [62]
Garvins Falls Hydropower PlantMerrimack County 43°09′56″N71°30′34″W / 43.1655°N 71.5094°W / 43.1655; -71.5094 (Garvins Falls Hydro) 12.441925/1981 [53] [54] [63]
Gregg Falls Hydropower PlantHillsborough County 43°01′00″N71°34′04″W / 43.0168°N 71.5679°W / 43.0168; -71.5679 (Gregg Falls Hydro) 3.521985 [64]
Jackman Hydropower PlantHillsborough County 43°06′38″N71°56′56″W / 43.1106°N 71.9489°W / 43.1106; -71.9489 (Jackman Hydro) 3.211926 [53] [54] [65]
Mine Falls Generating StationHillsborough County 42°45′01″N71°30′19″W / 42.7503°N 71.5053°W / 42.7503; -71.5053 (Mine Falls Hydro) 3.021985 [66]
Moore Hydropower Station Grafton County 44°20′08″N71°52′27″W / 44.3356°N 71.8742°W / 44.3356; -71.8742 (Moore Hydro) 19241957 [67] [68]
Penacook Lower Falls Hydro PlantMerrimack County 43°17′09″N71°35′42″W / 43.2858°N 71.5950°W / 43.2858; -71.5950 (Penacook Lower Falls) 4.611983 [69]
Penacook Upper Falls Hydro PlantMerrimack County 43°17′00″N71°36′03″W / 43.2832°N 71.6008°W / 43.2832; -71.6008 (Penacook Upper Falls) 3.411986 [70]
Pontook Hydropower FacilityCoos County 44°37′58″N71°14′50″W / 44.6328°N 71.2472°W / 44.6328; -71.2472 (Pontook Hydro) 10.531986 [71]
Rolfe Canal Hydro PlantMerrimack County 43°16′29″N71°36′14″W / 43.2746°N 71.6040°W / 43.2746; -71.6040 (Rolfe Canal Hydro) 4.311987 [72]
Smith Hydropower PlantCoos County 44°28′10″N71°10′41″W / 44.4694°N 71.1781°W / 44.4694; -71.1781 (Smith Hydro) 1511948 [53] [54] [73]

Wind

NameLocationCoordinatesCapacity
(MW)
Number of
Turbines
Year OpenedTurbine
Mfg Spec
Refs
Antrim Wind ProjectHillsborough County 43°03′52″N72°00′23″W / 43.0644°N 72.0064°W / 43.0644; -72.0064 (Antrim Wind) 28.892019 Siemens 3.2MW [74] [75] [76]
Granite Reliable Wind Farm Coos County 44°42′16″N71°17′33″W / 44.7044°N 71.2925°W / 44.7044; -71.2925 (Granite Reliable Wind) 99332011 Vestas 3.0MW [77]
Groton Wind Power Project Grafton County 43°46′05″N71°49′08″W / 43.7681°N 71.8189°W / 43.7681; -71.8189 (Groton Wind) 48242012 Gamesa 2.0MW [78] [79]
Jericho Mountain Wind Farm Coos County 44°28′01″N71°13′30″W / 44.4669°N 71.2250°W / 44.4669; -71.2250 (Jericho Wind) 14.352015 GE 2.85MW [80]
Lempster Mountain Wind Power Project Sullivan County 43°13′59″N72°08′44″W / 43.2330°N 72.1455°W / 43.2330; -72.1455 (Lempster Wind) 24122008 Gamesa 2.0MW [81] [82]

Solar

NameLocationCoordinatesCapacity (MWAC)Year
Opened
Refs
Peterborough Wastewater Treatment Solar ArrayHillsborough County 42°54′40″N71°55′58″W / 42.9112°N 71.9328°W / 42.9112; -71.9328 (Peterborough WWTP Solar) 0.8 (0.94MWDC)2015 [83]

Storage power stations

New Hampshire had no utility-scale battery or pumped-storage facilities in 2019. [6]

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