Japan

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Japan begins commercial operations at first floating offshore wind farm
By January 7, 2026January 7, 2026

Japan has started commercial operations at its first floating offshore wind power project, with Goto Offshore Wind Farm Special Purpose Company (SPC) announcing that the facility off Goto City in Nagasaki Prefecture is now online, marking a significant step in the country’s renewable energy programme. Goto Offshore Wind Farm is the first project in Japan to receive full approval under the Marine Renewable Energy Sea Area Utilisation Act. The approval was granted by the Minister…

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Helical Fusion signs Japan’s first fusion power PPA with Aoki Super
By December 11, 2025December 11, 2025

Helical Fusion has entered a power purchase agreement with Aoki Super, marking the first fusion energy PPA in Japan. The agreement links the start-up’s planned stellarator reactor with a major supermarket chain that uses large daily electricity volumes across its stores. Helical Fusion is developing a stellarator reactor design that draws on about seventy years of international research. The National Institute for Fusion Science (NIFS) hosts the Large Helical Device, which is a leading global…

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Japan’s FAST fusion project clears key design milestone
By December 1, 2025December 1, 2025

Starlight Engine and Kyoto Fusioneering have completed the conceptual design for Japan’s FAST fusion demonstration plant, one year after the project began in November 2024. The Conceptual Design Report outlines FAST’s objectives, system design, feasibility and schedule, and is Japan’s first privately led fusion demonstration report aligned with the national Fusion Energy Innovation Strategy. FAST is a low aspect ratio tokamak targeting about 50 MW of fusion output using deuterium tritium plasma and neutral beam…

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Japan to fast-track nuclear restarts to cut fuel costs
By October 27, 2025October 27, 2025

Japan’s new Prime Minister, Sanae Takaichi, plans to accelerate nuclear reactor restarts to reduce reliance on imported fossil fuels and curb inflation. Reactor restarts are seen as key to lowering electricity costs and securing a stable domestic supply. Trade and Industry Minister Ryosei Akazawa, responsible for energy policy, stressed balancing nuclear expansion with local community support and decarbonisation goals. Japan spent 10.7 trillion yen ($71 billion) on imported LNG and coal in 2024, covering 60–70%…

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Japan launches first osmotic power plant in Fukuoka
By August 25, 2025August 25, 2025

Japan has commissioned its first osmotic power facility in Fukuoka, making it only the second operational plant of its kind globally, reported The Guardian. The project is expected to generate around 880,000 kilowatt hours of electricity each year, enough to partly power a desalination plant supplying water to the city and nearby areas. According to Dr Ali Altaee of the University of Technology Sydney, the output is equivalent to the electricity use of about 220…

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Japan approves new climate and energy policies targeting 2040 emissions cuts
By February 21, 2025February 20, 2025

Japan’s government has approved new climate, energy, and industrial policies aimed at reducing greenhouse gas (GHG) emissions by 2040, Reuters reported. The strategy focuses on decarbonisation, energy security, and industrial growth, forming part of Japan’s long-term plan to ensure business policy stability. Japan has set a target to reduce GHG emissions by 46% from 2013 levels by 2030, 60% by 2035, and 73% by 2040. The updated targets, finalised by the environment and industry ministries,…

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Vestas enters Asia Pacific with wind project order in Japan
By December 31, 2024December 31, 2024

Denmark’s Vestas has secured an order to supply 21 V236-15.0 MW turbines for the 315 MW Oga Katagami Akita Offshore Wind Project in Japan’s Akita Prefecture. The deal includes a long-term service agreement to optimise turbine performance. This marks Vestas’ first firm order for its V236-15.0 MW turbine in the Asia-Pacific region and its first project under Japan’s offshore wind auctions based on the Renewable Energy Sea Area Utilization Act.

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Nozomi Energy acquires 312 MW solar portfolio in Japan
By December 26, 2024December 26, 2024

Nozomi Energy, a Japanese renewable energy company and an Actis subsidiary, has acquired a portfolio of 12 operational solar projects, totalling 312 MW. These projects, which range from 1 MW to over 60 MW, are backed by Feed-In-Tariff (FIT) contracts that extend at least until 2040, providing stable and predictable cash flows for the company. Nine of the projects are located in Japan’s Kanto region, while the remaining projects are situated in Tohoku, Chubu, and…

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