Transporting Offshore Wind Electricity by Automated Ships – A New Concept Emerges in Japan – Offshore WIND

Japanese company PowerX plans to design and build an automated Power Transfer Vessel to carry electricity from offshore wind farms to shore.

The Power ARK 100 is a 100 TEU trimaran specially designed for transferring renewable energy in Japans coastal waters.

Upon its completion in 2025, Power ARK 100 will carry 100 grid batteries, equating to 200 MWh of power which is equivalent to the total electricity consumption of 22,000 Japanese households in a day, PowerX said.

The vessel will be able to travel up to 300 kilometres when running only on electricity and will be able to unlock long-distance, intercontinental clean power transmission when it is powered by both electricity and sustainable biodiesel fuels, the company said.

PowerX will also build a gigawatt-scale battery assembly facility in Japan to mass-produce batteries for the Power Transfer Vessels. The factorys annual production capacity will achieve 1 GWh by 2024, and will eventually reach 5 GWh by 2028, PowerX said.

The Japanese government plans to develop 10 GW of offshore wind capacity by fiscal 2030 and 30-45 GW by fiscal 2040.

According to PowerX, Japan is surrounded by deep coastal waters which limit the potential range for setting up offshore wind farms. PowerX intends to change how the world consumes and transfers renewable energy by providing a unique solution that can lift the restriction on power generation location, which will allow a greater flexibility for offshore wind farm locations, especially for an island country like Japan, the company said.

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Transporting Offshore Wind Electricity by Automated Ships - A New Concept Emerges in Japan - Offshore WIND