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.
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 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.
The push is reinforced by Tokyo’s 2025 regulation requiring solar panels on new homes, and the launch of virtual power plant (VPP) programs—slated to begin in fiscal 2026—that will let households sell surplus energy to the grid.
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Sonnedix Japan has brought online just under 500MW of solar PV in the country. Image: Sonnedix. Utility Osaka Gas and developer Sonnedix are installing a battery energy …
Free QuoteHowever, Japan has to date seen few co-located or hybrid solar-plus-storage plants at the multi-megawatt scale of the Osaka Gas and Sonnedix project. The Japanese subsidiary …
Free QuoteManoa has started commercial operation of the Helios 104 megawatt-hour/50MW battery energy storage system (BESS) in Sapporo City, Hokkaido, Japan. The BESS was …
Free QuoteThe company has an ambitious target of installing 660 MW / 2.9 GWh of energy storage solutions by 2030. These impressive solar energy investments and storage initiatives …
Free QuotePacifico Energy will continue to expand the development of both standalone and co-located BESS projects integrated with solar power plants nationwide. To date, Pacifico Energy …
Free QuoteSonnedix Japan broke ground on its first battery system in October 2025, planning to retrofit a 30MWAC/38.6MWDC solar power plant it owns in Oita City, Oita Prefecture, with …
Free QuoteThe project, which is expected to be operational by 2027, will be one of the largest energy storage facilities in Japan, helping the country address the challenge of renewable …
Free QuoteThe company has an ambitious target of installing 660 MW / 2.9 GWh of energy storage solutions by 2030. These impressive solar energy investments and storage initiatives are critical for achieving grid parity.
Free QuoteJoined 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 …
Free QuoteJapan''s energy storage policies, market statistics, and trends—from METI''s strategic plans and subsidy programs to deployment challenges.
Free QuoteProspects for energy storage projects in japan While preventing curtailment is a valuable potential use case for energy storage in Japan as renewable generation increases, …
Free QuoteLatest developments in solar PV technology, energy storage advancements, commercial power solutions, and industry insights from our team of renewable energy experts across Poland.
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