Vineyard Wind
America's first utility-scale offshore wind farm
⚡ OPERATIONAL (legal dispute ongoing)Last updated: March 2026
DevelopersAvangrid & Copenhagen Infrastructure Partners
Location15 mi south of Martha's Vineyard, MA
Capacity800 MW
Investment$4.5 billion
Current StatusPartially operational (44/62 turbines online); 1 turbine left to install; blade replacement program ongoing
Turbines62× GE Haliade-X 13 MW
OfftakerMassachusetts utilities
Homes Powered~400,000
800 MW
Total Capacity
62
GE Haliade-X Turbines
15 mi
Off Martha's Vineyard
400K
Homes Powered
Project Basics
- Developers: Avangrid & Copenhagen Infrastructure Partners
- Location: 15 miles south of Martha's Vineyard, MA
- Turbines: GE Haliade-X 13 MW
- Offtakers: Massachusetts utilities
- Investment: $4+ billion
Why It Matters
Vineyard Wind is the first utility-scale offshore wind farm in the United States, a milestone decades in the making. The project faced a setback when a blade broke in July 2024, halting installation, but it represents the start of a new American industry with 30+ GW in the pipeline.
📅 Timeline
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Jan 2026Federal judge stays BOEM suspension; Vineyard Wind resumes full operations
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Dec 2025Trump administration suspends Vineyard Wind and 4 other offshore wind leases citing "national security concerns"
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Jul 2024Blade failure halts installation; investigation and cleanup launched
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Jan 2024First power delivered to Massachusetts grid
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2023First turbines installed offshore
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2021BOEM issues Record of Decision; construction begins
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2019Power purchase agreements signed with MA utilities
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2015Lease area acquired from BOEM
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