Technical FAQs 4

What is Japan's first energy storage project?

In 2015, we started Japan's first demonstration project covering energy storage connected to the power grid in the Koshikishima, Satsumasendai City, Kagoshima. This project is still operating in a stable manner today. One feature of our grid energy storage system is that it utilizes reused batteries from EVs.

How will Tokyo Gas use battery storage?

Tokyo Gas would use its experience in energy trading markets to use battery storage to contribute to stabilising the grid and enabling greater integration of renewable energy.

Where in Japan will a solar power plant be built?

Geographically, three of the projects will be built in Ibaraki Prefecture, two in Kanagawa, Chiba, and Tochigi each, and one in Tokyo, Saitama, and Gunma each. As Japan works to expand battery storage amid growing solar and wind capacity, METI also runs a similar subsidy scheme at the national level.

What is Japan's energy storage policy?

As policy, technology, and decarbonization goals converge, Japan is positioning energy storage as a critical link between its climate targets and energy reliability. Japan’s energy storage policy is anchored by the Ministry of Economy, Trade and Industry (METI), which outlined its ambitions in the 6th Strategic Energy Plan, adopted in 2021.

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Tokyo 630MW solar energy storage project

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