Publication date: July 1, 2026 Key Takeaways Japan’s BESS market continues to expand, but its policy environment is becoming more demanding, with new domestic battery manufacturing targets, tighter grid connection procedures, and lower Balancing Market price caps. As the market matures, project viability will depend less on exceptional balancing revenues and more on securing grid …
Publication date: June 2, 2026 BESS Integration Accelerates Across FIP Renewables and Thermal Power Plants As the global energy crisis persists and Japan faces growing pressure to balance its carbon-neutral agenda with energy supply security, battery energy storage systems (BESS) are increasingly being deployed not only alongside renewable energy assets, but also at conventional power …
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Publication date: April 21, 2026 METI to Limit Grid Connection Study Applications by Region to Manage Surge in BESS The Ministry of Economy, Trade and Industry (METI)’s expert committee has recently decided to introduce a cap on the number of grid connection study applications per operator for grid-scale battery energy storage systems (BESS). The cap …
Publication date: Jan 12, 2026 METI Shifts Toward Stricter Screening of BESS Grid Connection Applications The Ministry of Economy, Trade and Industry (METI) is accelerating discussions on tightening grid access rules and procedures for power generation facilities, particularly measures to prevent so-called “speculative reservations” of grid capacity by grid-scale #BESS projects. As of the end …
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Publication date: Dec 21, 2025 PowerX to List on TSE Growth Market as Domestic BESS Market Expands PowerX has received approval from the Tokyo Stock Exchange and will list on the TSE Growth Market on December 19. Founded in March 2021, the company manufactures and sells large-scale battery energy storage systems (BESS) for grid-scale and …
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Publication date: Dec 17, 2025 Japan’s BESS Moment: Strategic Opportunity or Speculative Trap? Why international developers need more than optimism to navigate Japan’s battery storage gold rush. — Professor Hiroshi Takahashi of Hosei University recently made a compelling case in Nikkei GX for Japan to formally integrate battery energy storage system (BESS) capacity targets into …
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Publication date: Dec 15, 2025 Tightening Balancing Market Design Could Reshape BESS Strategies At a recent expert meeting held in late October 2025, METI proposed two changes for Primary Reserve (FCR) and Secondary Reserve I (S-FRR) in the balancing market: 1. Reducing the procurement volumes by 50–80%starting from FY2026. 2. Lowering the price caps by …
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Publication date: June 20, 2025 New 150MW BESS Station to Be Built Near Site of Fukushima Nuclear Plant New 150MW BESS Station to Be Built Near Site of Fukushima Nuclear Plant One of the largest Battery Energy Storage System (BESS) stations in Japan is to be built in Naraha Town, Fukushima Prefecture, south of TEPCO’s …
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Publication date: May 20, 2025 Second Round of LTDA Sees Rising Interest From BESS Operators The Organization for Cross Regional Coordination of Transmission Operators (OCCTO) announced the results of the FY2024’s second round of the Long-term Decarbonization Auction (LTDA). The eligible power sources this time were largely divided into “decarbonized power sources” and “LNG-fired thermal …
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Publication date: April 28, 2025 Weathering the Storm: Weather Forecasting and Battery Energy Storage Systems in Japan’s Changing Climate Weathering the Storm: Weather Forecasting and Battery Energy Storage Systems in Japan’s Changing Climate Shulman Advisory is delighted to present the following article in collaboration with Atmospheric G2, on how weather, growing gradually more extreme under …
