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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 Data Center Update 15: Tokyo and Kansai Expansion Gains Pace as Edge Data Centers Emerge
Data-Center
April 21, 2026
JFE and Mitsubishi to Develop Integrated Power Plant and Data Center Hub in Keihin Ogishima, Kanagawa JFE Holdings, one of Japan’s leading steelmakers, and...
METI to Limit Grid Connection Study Applications by Region to Manage Surge in BESS
BESS
April 21, 2026
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...
Japan Data Center Update 14: Data center expansion accelerates as large-scale investment, decentralization, and local constraints collide
Data-Center
April 14, 2026
Microsoft to Invest USD 10 Billion in Japan Data Centers to Expand AI Infrastructure Microsoft announced it will invest USD 10 billion over four...
METI to Set Up Three WGs to Rewire Market Design, Capacity Mechanisms, and Retail Obligations in Parallel
Energy
April 14, 2026
The Ministry of Economy, Trade, and Industry (METI) announced at the Next Generation Infrastructure Development Subcommittee that it will establish three new working groups (WGs)...
Japan Data Center Update 13: New Data Center Models Emerge as Land, Cooling, and Grid Constraints Tighten
Data-Center
April 7, 2026
MOL, Hitachi Target Floating Data Centers to Ease Urban Deployment Bottlenecks Mitsui O.S.K. Lines (MOL), Hitachi, and Hitachi Systems have signed a basic...
JEPX System Upgrades: Shift to API-Based Trading Reshapes Market Access
Energy
April 7, 2026
JEPX will begin rolling out its upgraded trading system from April 2026, with a phased transition across spot and intraday markets extending through FY2026. The...
Japan’s Renewable Transition: Progress and Challenges Since the 7th Strategic Energy Plan
Renewable
April 2, 2026
The Middle East situation has once again exposed Japan’s dependence on imported fuels and reminds us of the importance of increasing energy self-sufficiency, currently...
Japan Data Center Update 12: Data Center Expansion Drives Infrastructure Upgrades and New Deployment Models
Data-Center
March 31, 2026
TEPCO PG Expands Inzai Substation as Data Center Demand Surges in Chiba Inzai City hosts dozens of data centers, including facilities operated by Google,...
METI Further Clarifies Key Elements of the Retailer Obligation Framework
Electricity
March 30, 2026
In our previous newsletter, Japan’s Power Market News Week 7, we noted that the Working Group (WG) on System Design Based on the Review of...
Japan Data Center Update 11: Managing Community Relations in Japan’s Data Center Expansion
Data-Center
March 24, 2026
Japan Data Center Update 11: Managing Community Relations in Japan’s Data Center Expansion HIGHRESO Combines AI Data Center Expansion with Local Workforce Training in...
TEPCO to Include Faster Fuel Cost Pass-Through in Corporate Tariffs From April
Energy
March 21, 2026
TEPCO will revise its tariff for corporate customers (super high-voltage and high-voltage) from April onward. Currently, the average fuel price from three to five months...
Japan Data Center Update 10: Decentralized Data Center Expansion and Growing Local Resistance
Data-Center
March 17, 2026
Yamaura And TOSYS Partner On Distributed Data Center “NAGANO Model” Construction company Yamaura and ICT service provider TOSYS, both based in Nagano Prefecture, have...