About Tokyo EK Ultra-Large Energy Storage Project
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About Tokyo EK Ultra-Large Energy Storage Project video introduction
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6 FAQs about [Tokyo EK Ultra-Large Energy Storage Project]
What is EKU energy's first battery storage project in Japan?
Eku Energy has announced its first battery storage project in Japan, the 30MW / 120MWh Hirohara battery energy storage system (BESS) located in Oaza Hirohara, Miyazaki City, Miyazaki Prefecture. Eku Energy has agreed a 20-year offtake agreement for the project with Tokyo Gas.
Where is EKU energy's Hirohara battery energy storage system located?
Global energy storage specialist, Eku Energy, has announced the Hirohara Battery Energy Storage System (BESS) located in Oaza Hirohara, Miyazaki City, Miyazaki Prefecture. The 30MW/120MWh battery is Eku’s first in Japan, and the company has agreed a 20-year offtake agreement for the project with Tokyo Gas.
Where is EKU battery energy storage system located?
The 30MW/120MWh Hirohara Battery Energy Storage System (BESS) is located in Oaza Hirohara, Miyazaki City, Miyazaki Prefecture. It is Eku’s first battery in Japan, and the company has agreed a 20-year offtake agreement for the project with Tokyo Gas.
What is EKU energy's first project in Japan?
It is Eku Energy’s first project in Japan to reach financial close and will be located in Miyazaki City, the capital of Miyazaki Prefecture on the southern island of Kyushu. The 30MW asset will be 4-hour duration (120MWh), and a 20-year offtake agreement is in place with Tokyo Gas.
When is EKU energy launching a battery energy storage system?
Photo from Eku Energy. The project is expected to begin operations in July 2026. Global energy storage specialist Eku Energy will be developing its first battery energy storage system (BESS) in Japan with a capacity of 30 megawatts (MW)/120 MW-hours.
Who is EKU energy Japan?
Hirofumi Sho, Japan head at Eku Energy Japan, said: “As a company specialising in battery storage, Eku Energy has created strong foundations in Japan. We are working innovatively with stakeholders to respond to the increasing demand for battery storage and realize a more sustainable energy future.”


