How many natural gas power plants are in Massachusetts?

Massachusetts has 45 operating utility-scale natural gas power plants with 6.5 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest natural gas power plant in Massachusetts?

Fore River Generating Station in Norfolk County, Massachusetts is the largest, at 872 MW. It came online in 2003.

How many natural gas power plants were built in Massachusetts in 2025?

1 natural gas power plant came online in Massachusetts in 2025, with 2 MW of capacity.

Who is developing natural gas power plants in Massachusetts?

Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.

Natural gas power plants in Massachusetts

Massachusetts has 45 operating natural gas power plants with 6.5 GW of capacity. 1 came online in 2025.

Operating45

See planned natural gas power plants in Massachusetts

Updated monthly. Last updated November 2026.

Under 250 MW250–999 MW1 GW and up

Updated monthly. Last updated November 2026.

Massachusetts had 29 natural gas power plants online in 2016 and 45 in 2026

2016’162017’172018’182019’192020’202021’212022’222023’232024’242025’252026’26

Natural gas power plants online at the end of each year. Source: EIA-860M, compiled by Cleanview.

The 10 largest natural gas power plants in Massachusetts

Operating, by capacity

#	Natural gas power plant	County	Year online	Capacity
1	Fore River Generating Station	Norfolk County	2003	872 MW
2	Salem Harbor Power Development LP	Essex County	2018	798 MW
3	ANP Bellingham Energy Project	Norfolk County	2002	578 MW
4	ANP Blackstone Energy Project	Worcester County	2001	578 MW
5	Millennium Power	Worcester County	2001	428 MW
6	Bellingham Cogeneration Facility	Norfolk County	1991	386 MW
7	Canal	Barnstable County	2019	330 MW
8	Berkshire Power	Hampden County	1999	289 MW
9	Exelon West Medway II LLC	Norfolk County	2019	264 MW
10	Masspower	Hampden County	1993	261 MW

Natural gas power plants that came online most recently in Massachusetts

Newest first

#	Natural gas power plant	County	Year online	Capacity
1	AbbieVie, Inc. - Worcester, MA	Worcester County	2026	3 MW
2	UE-02601MA, LLC	Middlesex County	2025	2 MW
3	MMWEC Simple Cycle Gas Turbine	Essex County	2024	65 MW
4	Norton Powerhouse 2	Worcester County	2022	5 MW
5	Equinix - Billerica	Middlesex County	2021	2 MW
6	Wellesley College Central Utility Plant	Norfolk County	2021	11 MW
7	Mass Inst Tech Cntrl Utilities/Cogen Plt	Middlesex County	2021	43 MW
8	CoreSite - Somerville	Middlesex County	2020	4 MW
9	One Patriot	Norfolk County	2019	2 MW
10	IXYS - Beverly	Essex County	2019	2 MW

The developer behind each project is on paid plans. See plans

How Cleanview tracks natural gas power plants

Operating natural gas power plants come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.

Questions about natural gas power plants in Massachusetts

How many natural gas power plants are in Massachusetts?: Massachusetts has 45 operating utility-scale natural gas power plants with 6.5 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest natural gas power plant in Massachusetts?: Fore River Generating Station in Norfolk County, Massachusetts is the largest, at 872 MW. It came online in 2003.
How many natural gas power plants were built in Massachusetts in 2025?: 1 natural gas power plant came online in Massachusetts in 2025, with 2 MW of capacity.
Who is developing natural gas power plants in Massachusetts?: Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.