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Japan Power Market Insights
Stay up-to-date with the latest news in the Japanese energy market
through our Insights blog, covering timely and notable occurrences in the industry
METI Outlines License Revocation Procedure for Dormant Electricity Retailers
Retail Market
September 4, 2026
Following the July 2026 amendments to the Electricity Business Act, the Ministry of Economy, Trade and Industry (METI) will be able to revoke a...
ENEOS 431 MW Negishi Plant Closure Highlights Challenge of Replacing Thermal Plants
Thermal Power
September 4, 2026
According to Bloomberg, ENEOS Holdings will permanently close its 431 MW oil-fired integrated gasification combined-cycle plant at the Negishi refinery in Yokohama on September...
PPA Market Expands as Buyers Increasingly Eye GHG Protocol Revision
Renewable
September 4, 2026
As corporate interest in PPAs grows, private matching platforms are emerging as an additional procurement channel. Digital Grid’s off-site PPA matching platform, RE Bridge,...
Japan’s Mid-Long Term Market design takes shape
Power Market
September 2, 2026
Key Takeaways Japan is moving toward longer-term electricity procurement, with proposed obligations requiring retailers to secure 50% of expected demand three years ahead and...
Japan Data Center Update 33: Tokyo Advances Containerized Data Center Deployment as Shikoku Expands Incentives
Data-Center
September 2, 2026
NTT docomo Business and TEPCO PG collaborate on liquid-cooled containerized data centers in Tokyo NTT docomo Business and TEPCO Power Grid (PG) announced a...
Japan Data Center Update 32: Trading Companies Accelerate Data Center Buildout as Manufacturers’ Margins Rise
Data-Center
August 25, 2026
Itochu plans ten data centers with 50 MW capacity each by 2030 Itochu Corporation will enter the data center development business. It plans to...
Tighter Grid Connection Rules for Low-Voltage BESS and Large-Scale Demand
Power Market
August 21, 2026
The Ministry of Economy, Trade and Industry (METI) presented plans at an expert meeting to extend stricter grid connection rules to low-voltage grid-scale BESS...
Japan Data Center Update 31: J-Power Enters Data Center Business by Leveraging Its Own Renewable Assets
Data-Center
August 19, 2026
J-Power enters data center business with 400 kW containerized facility in Hokkaido J-Power, a major Japanese power generation company, announced that it will launch...
Japan Data Center Update 30: Major AI Data Center Development Planned in Akita as the Data Center Decentralization Accelerates
Data-Center
August 11, 2026
UAE sovereign wealth fund considers investment in up to 500 MW AI data center in Akita Japanese and US companies, together with Akita Prefecture...
JEPX Spot Price Hits Three-and-a-Half-Year High Despite Adequate Summer Reserves
Electricity
August 10, 2026
Despite record-breaking heat this summer so far, the Ministry of Economy, Trade and Industry (METI) has refrained from issuing electricity conservation requests as reserve...
Japan’s BESS Market Evolves with a New Battery Strategy, Grid Reforms, and Lower Balancing Market Price Caps
BESS
August 4, 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...
Japan Data Center Update 29: Japan’s First Directly Wind-Powered Data Center Project Advances in Hokkaido
Data-Center
August 4, 2026
Eurus Energy develops Japan’s first data center directly powered by a wind farm via private transmission line Eurus Energy Holdings is developing what will...