Blossom Energy's Innovation
2025-06-13 02:00:35

Blossom Energy Develops Graphite Thermal Storage Battery to Accelerate Decarbonization in Japan

Blossom Energy's Groundbreaking Achievement



In an ambitious move to address climate change, Blossom Energy has developed Japan's first graphite thermal storage battery, known as the Blossom Energy G-TES. Targeting industries reliant on thermal energy, the company aims to launch sales by 2026, providing a compelling solution for commercial facilities, heating systems, and various sectors including manufacturing and agriculture.

The Innovation


The newly developed thermal energy storage battery offers the ability to store surplus electricity generated from renewable sources as thermal energy. This innovative approach not only meets the needs of thermal energy users but also significantly contributes to reducing greenhouse gas emissions and energy costs. The unit, roughly the size of a small shipping container, can store about 200 to 600 kWh of energy, equivalently providing heating for 10 to 30 households depending on hot water usage.

Meeting Industry Demands


Today, many industries face the challenge of aging boiler systems and the limitations in reducing greenhouse gas emissions when updating such essential equipment. As businesses navigate through increasingly complex energy landscapes over the past several years, the need for innovative and sustainable solutions has grown exponentially. Blossom Energy addresses these challenges head-on with its transformative G-TES technology.

As a venture founded by researchers with over 20 years of experience in high-temperature heat transmission systems, Blossom Energy recognizes the economic and environmental advantages of using graphite material as a thermal storage medium. Their development process has culminated in a commercially viable prototype of the G-TES battery.

A Step Towards Decarbonization


Selected by TIME magazine as one of


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