Mayflower to deliver at $58.47/MWh

by Tom Russell in Windfarms 13/02/2020 4C Offshore


According to documents filed by Electric Distribution Companies (EDCs) Eversource, National Grid, and Unitil, the
Mayflower offshore wind project will deliver power at a price of $58.47/MWh.

Long-term contracts were filed by the EDCs on 10 February 2020 with Mayflower Wind Energy LLC for review and approval by the Department of Public Utilities. Following this, The Department of Energy Resources (DOER) submitted a filing letter requesting that the Department of Public Utilities approve the long-term contracts.


The
Mayflower offshore wind project is being developed by Mayflower Wind LLC, a joint venture between Shell New Energies US LLC and EDPR Offshore North America LLC. It is anticipated that the project will be commissioned in 2025. It was named winner of the Commonwealth of Massachusetts’ second offshore wind solicitation in November 2019. The joint venture was successful with a bid of 804 MW, which is expected to power approximately half a million homes and eliminate 1.7 metric tons of CO2 emissions annually.

Last month Mayflower Wind LLC commissioned Bladt Industries and Semco Maritime to deliver the project's offshore substation. Bladt Industries and Semco Maritime have formed a joint venture for the design and construction of the 1,200 MW offshore substation. The offshore substation will consist of a topside of 4,700 tons and a 3,000 tons jacket foundation. The project scope comprises engineering, procurement and construction works, including steel structure and jacket foundation by Bladt Industries, as well as design, procurement and installation of electrical equipment, auxiliary systems and inter-array cables by Semco Maritime.


Semco Maritime subsequently signed an agreement with Hellenic Cables for the supply of inter-array cables for project. Hellenic Cables will be responsible for the design, supply and storage of approximately 300 km of 66 kV, cross-linked polyethylene (XLPE) insulated submarine inter-array cables, aimed at connecting the project's wind turbines to its offshore substation. The cables will be manufactured in Hellenic Cables’ submarine cable production facility in Corinth, Greece. Continuous manufacturing is expected to be completed in the end of 2023, with final installation expected around 2025.


For more information on offshore wind developments in the US, click here. You can also view projects worldwide on 4C Offshore's interactive map.

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