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Vineyard Wind nears final stage in Massachusetts’ permitting process

Thu 20 Dec 2018 by David Foxwell

Vineyard Wind nears final stage in Massachusetts’ permitting process
Vineyard Wind hopes to obtain a MEPA certificate in February 2019

Vineyard Wind, the offshore wind development company owned by Copenhagen Infrastructure Partners and Avangrid Renewables, is pressing ahead with state and federal environmental processes for its 800 MW project offshore Massachusetts.

Vineyard Wind has submitted a Final Environmental Impact Report (FEIR) to the Massachusetts Executive Office of Energy and Environmental Affairs. Earlier in the month, the United States’ Bureau of Ocean Energy Management (BOEM) issued a Notice of Availability for the project’s Draft Environmental Impact Statement (DEIS.)

Both steps move the project closer to approval of environmental permitting by state and federal officials. Endorsement of the FEIR will be the final step in the Massachusetts Environmental Policy Act (MEPA) review process, which includes a focus on cables connecting the proposed 800 MW offshore windfarm in federal waters to the grid connection point in Barnstable, Massachusetts.

BOEM prepared the DEIS as part of the agency’s review of the entire Vineyard Wind project, which will be constructed 14 miles south of Martha’s Vineyard. The report provides an analysis of potential environmental impacts associated with proposed actions as set forth in the construction and operations plan for the project, which Vineyard Wind submitted to BOEM in 2017. The federal agency will hold public meetings early next year. BOEM’s public comment period ends on 22 January 2019.

In Massachusetts, the FEIR reflects refinements to the project, based on input from state agencies, the Town of Barnstable and members of the public. The MEPA office will accept public comment until 25 January 2019.

The Massachusetts FEIR is focused on the Vineyard Wind Connector, comprised of subsea and subsurface electrical transmission lines and a new substation that will connect the Vineyard Wind turbine array to the Massachusetts electric grid. 

The Vineyard Wind offshore wind turbine array, located approximately 34 miles south of the Cape Cod mainland, calls for a grid connection point to an existing substation in an industrial park in Barnstable with no changes to the existing electrical transmission. Vineyard Wind has stipulated they will use solid material cables only, buried for their entire length onshore, and also that the transformers and other electrical equipment at the new substation will be underlain by full volume, impervious containment systems. 

In addition to federal and state permitting reviews, the project is actively consulting with tribal and local agencies, including conservation commissions and planning boards, including Barnstable where the cable will come ashore at Covell’s Beach. The project will also be reviewed by the Cape Cod and Martha’s Vineyard Commissions.

In total the Vineyard Wind project will face substantial public review and consultations by nearly 30 federal, tribal, state, and local approval agencies.


The Offshore Wind Journal Conference in London on 5 February 2019 will address key issues including global market developments, increasing turbine sizes, floating offshore wind and industry regulations.

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