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Offshore Wind Journal

Offshore Wind Journal

Japanese power company to start work on commercial offshore wind project in January

Thu 06 Dec 2018 by David Foxwell

Japanese power company to start work on commercial offshore wind project in January
TEPCO said experience with its demonstration project had confirmed that offshore wind was commercially viable

Tokyo Electric Power Company Holdings (TEPCO) has confirmed it will start work on the company’s first commercial offshore windfarm on 1 January 2019.

Since 2013, TEPCO has been conducting Japan’s first demonstration of offshore wind, south of Choshi in Chiba Prefecture, and recently announced a shift away from baseload generation using coal and a plan to build 6 GW to 7 GW of renewable power in Japan and abroad. This will include significant investment in offshore wind in Japan.

During the demonstration, TEPCO monitored test data with the aim of confirming the viability of the technology necessary to introduce commercial-scale offshore wind projects. The demonstration provided TEPCO with experience in operating and maintaining the facility in harsh weather and marine conditions. It said the demonstrator “proved conclusively” that its facility can be operated with a high capacity factor.

TEPCO said it will now move forward with offshore wind power projects in Japan and abroad, in addition to hydroelectric power projects. It said its eventual goal is to develop 2-3 GW of offshore wind in Japan.

TEPCO announced on 1 November 2018 that it had begun conducting a seabed survey off the coast of Choshi to examine the feasibility of developing an offshore windfarm in that area.


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