Innovative Charging Buoy that can Bring Green Electricity to Offshore Wind Farm

Offshore vessel firm Maersk Supply Service and its compatriot offshore wind developer Ørsted, are testing an innovative charging buoy that can bring green electricity to offshore wind farm service vessels and potentially to a wide range of maritime vessels. The buoy could be used to charge the smaller battery- or hybrid-electrical vessels and to supply power to larger vessels, enabling them to turn off their engines when laying idle. By substituting fossil-based fuels with green electricity, virtually all emissions would be eliminated while the buoy is in use.

Prototype buoy has been developed by Maersk Supply Service while Ørsted is responsible for the buoy’s integration with the electrical grid at the offshore wind farm. The charging buoy will be tested in the second half of 2021, where it will supply overnight power to one of Ørsted’s service vessels. Ørsted plans to make any intellectual property generated in designing the integration of the buoy into the offshore wind asset publicly available to maximize the uptake potential of this carbon reduction innovation across the offshore wind sector.

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