Cape Wind Associates, part of Boston-based Energy Management Inc. (EMI), did not make public financial terms of the deal.

WMJV is a partnership between two of the leading US marine construction firms: Weeks Marine of Cranford, New Jersey, and Manson Construction Company of Seattle, Washington.

WMJV will install the turbines with a fleet of vessels including the RD MacDonald, the first special purpose offshore wind installation vessel built in the US.

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