HEXA Energy Services

Japan's Energy Infrastructure Transformed

NEWS

Please refer to our latest announcements.

March 24, 2026 Hexa Energy Services G.K. **Completion Ceremony Held for Japan’s First Operational Long-Term Decarbonization Power Auction BESS Project — Tagawa BESS**

HEXA Energy Services G.K. (Head Office: Chiyoda-ku, Tokyo; Executive Officer: Yuko Shah; hereinafter “the Company”) held...

Hexa Energy Services G.K. Attended 2025 PFI Awards Ceremony

Hexa Energy Services G.K. is pleased to announce that its CEO, Yoichiro Mizuta, and Head of Investment Division, Hugo Va...

HEXA Energy Services Breaks Ground on Battery Storage Project in Matsusaka

We have held a groundbreaking ceremony for our HEXA Matsusaka BESS project in Matsusaka City, Mie Prefecture, Japan.Cons...
ABOUT US Background

ABOUT US

Hexa Energy Services G.K. is committed to contributing both to the further deployment of renewable energy and to the stabilization of power grids through long-term business investments.

ESG Background

ESG

Through various initiatives in the fields of environment, community engagement, and governance, we fulfill our responsibilities as a member of society and remain dedicated to developing and operating our businesses in a sustainable manner.

I Squared Capital Background

I Squared Capital

We are part of I Squared Capital. Below is an introduction to our investors.

FAQ

We provide answers to common inquiries from our customers.

The cost varies depending on the scale of the system and the installation conditions. We will be pleased to provide you with a detailed quotation. In addition, various subsidy programs are available, so please feel free to contact us for further information.
In general, the lifespan of a lithium-ion battery storage system is approximately 10 to 15 years, although it may vary depending on the operating environment and usage practices. With proper maintenance, stable operation can be ensured over an extended period.
The required period varies depending on the scale of the system. For smaller installations, the typical timeframe is about 1 to 2 weeks, while for larger systems it is approximately 1 to 3 months. Including the preliminary survey and design phase, we will provide a detailed schedule tailored to each project.
We provide comprehensive maintenance services, including regular inspections, 24-hour monitoring through a remote supervision system, and prompt response in the event of any irregularities.
We provide nationwide coverage, from Hokkaido to Kyushu, offering optimal solutions tailored to the characteristics of each region.

Contact Us

Please select the appropriate form according to the nature of your inquiry.

For Business Partners

Inquiries regarding business partnerships and battery storage / solar power projects

  • •Consultation on business partnerships and collaborations
  • •Inquiries related to battery storage systems
  • •Inquiries related to solar power projects
  • •Other business-related inquiries

Other Inquiries

Questions regarding our facilities, business operations, or general inquiries about our company

  • •Questions or feedback regarding our facilities
  • •Inquiries related to environmental and safety matters
  • •Inquiries regarding community engagement and social contribution activities
  • •Other general inquiries about our company

Please note that it may take some time for us to respond depending on the nature of your inquiry.
For information on how we handle personal data, please refer to our Privacy Policy.