Martha’s Vineyard Offshore Wind Alliance is a 1,600MW offshore wind power project. It is planned in Atlantic Ocean, Massachusetts, the US. According to GlobalData, who tracks and profiles over 170,000 power plants worldwide, the project is currently at the under construction stage. It will be developed in multiple phases. The project construction is likely to commence in 2021 and is expected to enter into commercial operation in 2024. Buy the profile here.

Smarter leaders trust GlobalData


Premium Insights Martha's Vineyard Offshore Wind Alliance

Buy the Profile

Premium Insights

The gold standard of business intelligence.

Find out more


The project is being developed by Vineyard Power and Vineyard Wind. Avangrid Renewables and Copenhagen Infrastructure Partners KS are currently owning the project.

The project is expected to supply enough clean energy to power 750,000 households, to offset 1,600,000t of carbon dioxide emissions (CO2) a year. The project will be spread over an area of 675.28km². The turbines will be mounted on fixed type foundations.

Development status

The project construction is expected to commence from 2021. Subsequent to that it will enter into commercial operation by 2024.

Power purchase agreement

Eversource Energy, National Grid USA Service and Unitil are expected to be the power offtakers from the project.

Contractors involved

Martha's Vineyard Offshore Wind Alliance (Vineyard Wind I) will be equipped with GE Renewable Energy Haliade-X 13 MW turbines.

Martha's Vineyard Offshore Wind Alliance (Vineyard Wind II) will be equipped with GE Renewable Energy Haliade-X 13 MW turbines.

For more details on Martha's Vineyard Offshore Wind Alliance, buy the profile here.

About Vineyard Wind

Vineyard Wind LLC, is an energy utility company that specialized in offshore wind energy, clean, renewable, cost competitive energy services. The company is headquartered in Princeton, New Jersey, the US.

This content was updated on 25 January 2024

Premium Insights


The gold standard of business intelligence.

Blending expert knowledge with cutting-edge technology, GlobalData’s unrivalled proprietary data will enable you to decode what’s happening in your market. You can make better informed decisions and gain a future-proof advantage over your competitors.


GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.

This information is drawn from GlobalData’s Power Intelligence Center, which provides detailed profiles of over 170,000 active, planned and under construction power plants worldwide from announcement through to operation across all technologies and countries worldwide.