HEXA Energy Services

Japan's Energy Infrastructure Transformed

NEWS

Please refer to our latest announcements.

Hexa Energy Services Breaks Ground on Two Battery Storage Projects in Kuamoto and Hokkaido

We have held groundbreaking ceremonies for our BESS projects in Kumamoto City, Kumamoto Prefecture, and Bibai City, Hokk...

HEXA Energy Services Awarded Two Grid-Scale Battery Energy Storage Projects in the FY2025 Long-Term Decarbonization Power Source Auction

Awarded projects in the Chugoku and Tohoku areas, totaling 90,470 kW, will contribute to the further deployment of renew...

Funding of Project Finance for Four Battery Energy Storage Projects in Hokkaido and Mie

HEXA Energy Services G.K. hereby announces that on March 31, 2026, loan facilities were disbursed for four grid-scale ba...
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.