According to Japan's 6th Strategic Energy Plan, battery storage will be increased as a distributed source of electricity closer to end users and within microgrids. importantrole in the transition towards net zero. However,the regulations for BESS in Japan were generally perceived as requiring. . Policies to increase its share are to be supported by: The targeted increase in renewable generation is paired with broad encouragement of battery storage. The overall market is expected to grow 11% annually, from USD 793. Home lithium-ion battery systems generated USD 278. 5. . As of March 2025, Japan's Ministry of Economy, Trade and Industry (METI) has allocated ¥2. In Japan's Revitalization strategy,Japan has the. . Joined by Panasonic, project partners are aiming to install solar photovoltaic (PV)-lithium-ion battery energy storage systems in 117 homes and integrate them to create an energy resilient and self-sufficient community microgrid in Smart.