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Japan proposes ramping up grid for accommodating offshore wind [free access]

April 21, 2021

Japan’s Ministry of Economy, Trade and Industry (METI) has recently proposed a plan to boost the country’s inter-regional grid capacity, in line with its efforts to increase offshore wind power generation to 45 GW by 2040.

 

At present, the northern most island of Hokkaido, and the northeastern and eastern regions of Tohoku and Kanto entail a power transmission capacity of about 900 MW. The plan considers ramping up the transmission capacity to about 8-12 GW, so as to evacuate more power from Hokkaido, which has a large potential of offshore wind farms, to Tokyo and nearby areas in Kanto, where power demand is high.

 

To aid the process, the plan envisages laying of undersea power cables in both the Pacific and the Sea of Japan to connect Hokkaido, Tohoku and Kanto.