Japan''s Mobile Energy Storage Revolution: Powering Resilience
Mobile energy storage systems (MESS) have become Japan''s silent guardians, bridging gaps between fragile grid infrastructure and growing renewable energy ambitions.
As Japan accelerates its transition toward a carbon-neutral future, the role of energy storage has become more critical than ever. The country has set ambitious goals to expand its renewable energy capacity, including wind and solar power, to reduce dependence on fossil fuels.
However, as Japan accelerates its clean energy transition, growing concerns over lithium supply constraints, price volatility, and geopolitical risks have compelled policymakers and industry leaders to reassess the country's energy storage strategy.
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.
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.
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