How many wind farms are in ISO-NE?

ISO-NE has 72 operating utility-scale wind farms with 2.5 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest wind farm in ISO-NE?

Vineyard Wind 1 in Dukes County, Massachusetts is the largest, at 800 MW. It came online in 2026.

How many wind farms were built in ISO-NE in 2025?

2 wind farms came online in ISO-NE in 2025, with 185 MW of capacity.

Who is developing wind farms in ISO-NE?

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.

Wind farms in ISO-NE

ISO-NE has 72 operating wind farms with 2.5 GW of capacity. 2 came online in 2025.

Operating72

See planned wind farms in ISO-NE

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

ISO-NE had 50 wind farms online in 2016 and 72 in 2026

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

Wind farms online at the end of each year. Source: EIA-860M, compiled by Cleanview.

The 10 largest wind farms in ISO-NE

Operating, by capacity

#	Wind farm	Location	Year online	Capacity
1	Vineyard Wind 1	Dukes County, Massachusetts	2026	800 MW
2	Bingham Wind	Piscataquis County, Maine	2016	186 MW
3	Oakfield Wind Project	Aroostook County, Maine	2015	148 MW
4	Kibby Wind Facility	Franklin County, Maine	2010	132 MW
5	Downeast Wind	Washington County, Maine	2025	126 MW
6	Granite Reliable Power	Coos County, New Hampshire	2012	99 MW
7	Weaver Wind	Hancock County, Maine	2020	73 MW
8	Kingdom Community Wind	Orleans County, Vermont	2012	65 MW
9	Rollins Wind Project	Penobscot County, Maine	2011	60 MW
10	Moscow	Somerset County, Maine	2025	59 MW

Wind farms that came online most recently in ISO-NE

Newest first

#	Wind farm	Location	Year online	Capacity
1	Vineyard Wind 1	Dukes County, Massachusetts	2026	800 MW
2	Moscow	Somerset County, Maine	2025	59 MW
3	Downeast Wind	Washington County, Maine	2025	126 MW
4	Silver Maple	Penobscot County, Maine	2022	20 MW
5	Green Providence Wind II, LLC	Providence County, Rhode Island	2021	3 MW
6	Green Providence Wind I, LLC	Providence County, Rhode Island	2021	2 MW
7	RoxWind	Oxford County, Maine	2021	15 MW
8	Weaver Wind	Hancock County, Maine	2020	73 MW
9	Antrim Wind	Hillsborough, New Hampshire	2019	29 MW
10	Holiday Hill Community Wind	Hampden County, Massachusetts	2019	5 MW

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

How Cleanview tracks wind farms

Operating wind farms 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 wind farms in ISO-NE

How many wind farms are in ISO-NE?: ISO-NE has 72 operating utility-scale wind farms with 2.5 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest wind farm in ISO-NE?: Vineyard Wind 1 in Dukes County, Massachusetts is the largest, at 800 MW. It came online in 2026.
How many wind farms were built in ISO-NE in 2025?: 2 wind farms came online in ISO-NE in 2025, with 185 MW of capacity.
Who is developing wind farms in ISO-NE?: 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.