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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
Japan’s Household Electricity Bills to Hit Record Highs in October as Subsidies End
Market Updates
October 2, 2026
Japan’s ten major utilities say household electricity bills for power consumed in October will reach record highs. Under their government-approved regulated tariffs, bills for...
Mid-Long-Term Market Update: Trading Areas and Mandatory Generator Offers
Market Updates
October 2, 2026
The planned Mid-Long-Term Market will allow electricity retailers to procure power one and three years ahead to meet their supply capacity obligations. The Mid-Long-Term...
Japan Data Center Update 37: Japan’s AI Data Center Expansion: The Race to Build and Power Capacity
Data-Center
September 30, 2026
Japan’s AI data center capacity to more than quadruple by 2033 Japan’s AI data center capacity is set to more than quadruple by the...
Japan Data Center Update 36: Bypassing Grid Constraints, Tokyo Gas Engineering Solutions Tests Distributed and Off-Grid Power Data Centers
Data-Center
September 24, 2026
TGES and Getworks partner on containerized data centers using underutilized sites TGES, a subsidiary of Tokyo Gas, and data center operator Getworks have entered...
New Power Traders Association to Make Policy Recommendations for the Planned Mid-Long-Term Market
Market Updates
September 18, 2026
More than 20 companies engaged in physical power trading in Japan have established the Japan Power Traders Association (JPTA) to provide practical industry input...
OCCTO Proposes New Supplementary Auction to Retain Aging Thermal Power Plants
Market Updates
September 18, 2026
At an expert meeting, the Organization for Cross-regional Coordination of Transmission Operators (OCCTO) proposed introducing a new ‘supplementary auction’ in the capacity market to...
Japan Data Center Update 35: GX Strategic Zones: Japan Targets GW-Scale Data Center Clusters Across Nine Zones
Data-Center
September 15, 2026
The designated GX Strategic Zones by types are as follow: (1) Industrial Complex Redevelopment Type: One zone METI designated Kawasaki City, which plans to...
Japan Data Center Update 34: Next-Generation Technologies Reshape Data Center Deployment and Resilience
Data-Center
September 8, 2026
NYK and partners develop port-based floating data center concept as step toward offshore deployment A consortium comprising NYK (Nippon Yusen Kaisha) Line, Eurus Energy...
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...