We envision a world in which most energy comes from renewable sources such as solar and wind. To realize an affordable energy transition with a secure energy supply, we need to minimize short-term energy losses and achieve the lowest long-term energy costs. This requires solutions for the growing imbalance between power supply and demand, with green hydrogen for sectors that are harder to electrify, such as steel production and heavy transport. Battolyser® is the world’s first integrated battery electrolyser system. The patented technology produces a highly efficient electrolyser that can also store and supply power like a battery. The system has the flexibility to follow the most volatile power markets, is scalable and made from only abundant and recyclable materials. All in all, Battolyser® offers the lowest cost and only true green hydrogen.