Find ISO-NE power assets

1,410 registry plants with 37.6 GW of EIA nameplate capacity, 54 with detailed profiles, across 54 county directories.

Search the ISO-NE fleet by plant, operator, technology, or county, then open a source-backed profile.

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All ISO-NE power assets

1,410 matching plants · sorted by capacity, high to low

Rank	Plant	Capacity	Type	Operator	Location
1	MillstoneDominion Energy Nuclear Conn IncDetailed profile	2,259.9 MW	Nuclear	Dominion Energy Nuclear Conn Inc	New London County
2	CanalCanal Generating LLCDetailed profile	1,495 MW	Natural Gas Fired Combustion Turbine, Petroleum Liquids	Canal Generating LLC	Barnstable County
3	SeabrookNextEra Energy Seabrook LLCDetailed profile	1,242 MW	Nuclear	NextEra Energy Seabrook LLC	Rockingham County
4	Northfield MountainFirstLight Power Resources, Inc. - MADetailed profile	1,168 MW	Hydroelectric Pumped Storage	FirstLight Power Resources, Inc. - MA	Franklin County
5	Fore River Generating StationCalpine Fore River Energy Center, LLCDetailed profile	872.2 MW	Natural Gas Fired Combined Cycle	Calpine Fore River Energy Center, LLC	Norfolk County
6	William F Wyman HybridFPL Energy Wyman LLCDetailed profile	862.7 MW	Petroleum Liquids, Batteries	FPL Energy Wyman LLC	Cumberland County
7	CPV Towantic Energy CenterCPV Towantic, LLCDetailed profile	841.5 MW	Natural Gas Fired Combined Cycle	CPV Towantic, LLC	New Haven County
8	Lake Road Generating PlantLake Road Generating Co LPDetailed profile	840 MW	Natural Gas Fired Combined Cycle	Lake Road Generating Co LP	Windham County
9	Vineyard Wind 1Vineyard Wind 1 LLCDetailed profile	800 MW	Offshore Wind Turbine	Vineyard Wind 1 LLC	Dukes County
10	Salem Harbor Power Development LPSalem Harbor Power Development LPDetailed profile	798.2 MW	Natural Gas Fired Combined Cycle	Salem Harbor Power Development LP	Essex County
11	Granite RidgeGranite Ridge Energy LLCDetailed profile	790 MW	Natural Gas Fired Combined Cycle	Granite Ridge Energy LLC	Rockingham County
12	Kleen Energy SystemsKleen Energy Systems, LLCDetailed profile	693 MW	Natural Gas Fired Combined Cycle	Kleen Energy Systems, LLC	Middlesex County
13	Bear SwampBear Swamp Power Company LLCDetailed profile	666 MW	Hydroelectric Pumped Storage	Bear Swamp Power Company LLC	Berkshire County
14	New Haven SteamGeneration Bridge II Connecticut, LLCDetailed profile	641.5 MW	Petroleum Liquids	Generation Bridge II Connecticut, LLC	New Haven County
15	Newington Energy CenterEssential Power Operating Services, LLCDetailed profile	605.5 MW	Natural Gas Fired Combined Cycle	Essential Power Operating Services, LLC	Rockingham County
16	Rhode Island State Energy CenterRISEC Operating ServicesDetailed profile	596 MW	Natural Gas Fired Combined Cycle	RISEC Operating Services	Providence County
17	ANP Bellingham Energy ProjectBellingham Power Generation LLCDetailed profile	578 MW	Natural Gas Fired Combined Cycle	Bellingham Power Generation LLC	Norfolk County
18	ANP Blackstone Energy ProjectANP Blackstone Energy Company LLCDetailed profile	578 MW	Natural Gas Fired Combined Cycle	ANP Blackstone Energy Company LLC	Worcester County
19	Milford Power ProjectMilford Power Co LLCDetailed profile	578 MW	Natural Gas Fired Combined Cycle	Milford Power Co LLC	New Haven County
20	Bridgeport StationGeneration Bridge II Connecticut, LLCDetailed profile	576.3 MW	Natural Gas Fired Combined Cycle	Generation Bridge II Connecticut, LLC	Fairfield County
21	Westbrook Energy Center Power PlantWestbrook Energy CenterDetailed profile	563.9 MW	Natural Gas Fired Combined Cycle	Westbrook Energy Center	Cumberland County
22	Maine Independence StationCasco Bay Energy Co LLCDetailed profile	550.2 MW	Natural Gas Fired Combined Cycle	Casco Bay Energy Co LLC	Penobscot County
23	Stony BrookMassachusetts Mun Wholes Electric CoDetailed profile	537.5 MW	Solar Photovoltaic, Petroleum Liquids, Natural Gas Fired Combined Cycle	Massachusetts Mun Wholes Electric Co	Hampden County
24	Bridgeport Energy ProjectBridgeport Energy LLCDetailed profile	520 MW	Natural Gas Fired Combined Cycle	Bridgeport Energy LLC	Fairfield County
25	Manchester StreetManchester Street, LLC.Detailed profile	515 MW	Natural Gas Fired Combined Cycle	Manchester Street, LLC.	Providence County
26	Montville StationMontville Power LLCDetailed profile	489.9 MW	Petroleum Liquids, Natural Gas Steam Turbine	Montville Power LLC	New London County
27	Millennium PowerMillennium Power Company, LLCDetailed profile	427.5 MW	Natural Gas Fired Combined Cycle	Millennium Power Company, LLC	Worcester County
28	NewingtonGranite Shore Power	414 MW	Petroleum Liquids	Granite Shore Power	Rockingham County
29	Bellingham Cogeneration FacilityNortheast Energy Associates LPDetailed profile	386.1 MW	Natural Gas Fired Combined Cycle	Northeast Energy Associates LP	Norfolk County
30	Wallingford EnergyWallingford Energy LLCDetailed profile	350 MW	Natural Gas Fired Combustion Turbine	Wallingford Energy LLC	New Haven County
31	Ocean State Power IIOcean State Power II	306.6 MW	Natural Gas Fired Combined Cycle	Ocean State Power II	Providence County
32	Berkshire PowerBerkshire Power Co LLCDetailed profile	289 MW	Natural Gas Fired Combined Cycle	Berkshire Power Co LLC	Hampden County
33	Rumford Power LLCRumford Power	274.5 MW	Natural Gas Fired Combined Cycle	Rumford Power	Oxford County
34	Tiverton Power PlantTiverton Power LLCDetailed profile	274.5 MW	Natural Gas Fired Combined Cycle	Tiverton Power LLC	Newport County
35	Exelon West Medway II LLCConstellation Power, IncDetailed profile	263.6 MW	Natural Gas Fired Combustion Turbine	Constellation Power, Inc	Norfolk County
36	MasspowerMasspowerDetailed profile	260.9 MW	Natural Gas Fired Combined Cycle	Masspower	Hampden County
37	Ocean State PowerOcean State Power CoDetailed profile	254.2 MW	Natural Gas Fired Combined Cycle	Ocean State Power Co	Providence County
38	Medway GridMedway Grid LLCDetailed profile	250 MW	Batteries	Medway Grid LLC	Norfolk County
39	Milford Power LPMilford Power LLCDetailed profile	249.3 MW	Natural Gas Fired Combined Cycle	Milford Power LLC	Worcester County
40	GenConn Devon LLCGenConn Devon LLCDetailed profile	242 MW	Petroleum Liquids	GenConn Devon LLC	New Haven County
41	GenConn Middletown LLCGenConn Middletown LLCDetailed profile	242 MW	Petroleum Liquids	GenConn Middletown LLC	Middlesex County
42	Kendall Square StationKendall Green Energy, LLCDetailed profile	234.7 MW	Natural Gas Fired Combined Cycle, Petroleum Liquids	Kendall Green Energy, LLC	Middlesex County
43	Devon StationDevon Power LLCDetailed profile	222.6 MW	Petroleum Liquids	Devon Power LLC	New Haven County
44	Dighton Power PlantDighton Power, LLC	200 MW	Natural Gas Fired Combined Cycle	Dighton Power, LLC	Bristol County
45	S C MooreGreat River Hydro, LLCDetailed profile	195.4 MW	Conventional Hydroelectric	Great River Hydro, LLC	Grafton County
46	Bucksport Generation LLCBucksport Generation LLC	186.8 MW	Natural Gas Fired Combustion Turbine	Bucksport Generation LLC	Hancock County
47	Bingham WindOnward Energy	186 MW	Onshore Wind Turbine	Onward Energy	Piscataquis County
48	Pittsfield Generating LPPittsfield Generating Company, LPDetailed profile	175.5 MW	Natural Gas Fired Combined Cycle	Pittsfield Generating Company, LP	Berkshire County
49	Cross Town Energy StorageCross Town Energy Storage LLCDetailed profile	175 MW	Batteries	Cross Town Energy Storage LLC	Cumberland County
50	ComerfordGreat River Hydro, LLCDetailed profile	167.8 MW	Conventional Hydroelectric	Great River Hydro, LLC	Grafton County

All ISO-NE power assets

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