Exergy is a University of Tokyo startup that is developing, producing, and providing next-generation energy storage systems that make use of its uniquely developed hydrogen cells. Hydrogen cells have ultrafast charging and discharging properties as well as excellent durability. They can help to realize stable energy systems and the introduction of renewable energy systems, which are drawing increased demand to adhere to conditions set in the Paris Agreement. Exergy is currently deploying an MW-level energy storage system verification project in Hawaii and Europe, where the use of renewable energy already exceeds 40%. Domestically, the company is making use of large-scale energy storage systems to perform verification projects relating to the realization of energy reductions at port facilities and in railway systems.