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.

Is Japan a good market for grid-scale storage?

With strong ambitions towards the energy transition and a liberalised power market structure, Japan is one of the most promising markets for grid-scale storage in Asia Pacific. The country’s electricity consumption per capita is twice the Asia Pacific average, and there is a race to keep up.

How is Japan's energy storage landscape changing?

Japan’s energy storage landscape is shifting, pushed by household demand, corporate ESG mandates, and domestic battery manufacturing. The residential lithium-ion market, projected to grow at a CAGR of 33.9% through 2030, remains one of the fastest-expanding segments.

Should you buy a battery storage system in Japan?

In addition, Japan’s capacity market is currently limited to battery storage systems lasting 3 hours, and the uncertainty of its overall revenue stack may make investors cautious about purchasing large-scale battery storage systems.

Who are Japan's major energy companies?

These have come from a mix of major Japanese industry players, including electric utilities and large corporates, and international players like technology providers Tesla, LS Electric and Sungrow, and developers such as Eku Energy and Gurin Energy.

How big is Japan's battery storage market?

In the commercial space, Japan’s battery storage market was valued at USD 593.2 million in 2023 and is projected to reach USD 4.15 billion by 2030. While commercial installations currently dominate revenues, industrial adoption is expected to scale faster. Utility-scale storage is also gaining ground.