< 120 € / kWh Project cost, not just battery or cells Project price with connection cost, EPC, development etc. Use it indoor outdoor underground on ground for decades on scale No A/C required. Non-flammable. You need IRR, DPP and PI for the project, not just battery or cells cost to make a decision. If you already have an offer from other technology providers, we can model the real market operation results for your situation. Visioneers. Experts. Doers. On a mission to decreasing global carbon emissions by 50% 78 years overal expertise in RND, finance, product development An Iron Flow Battery (IFB) is a type of energy storage system that uses iron salts dissolved in liquid electrolytes to store and release energy. It works by charging and discharging electricity through an electrochemical process, which allows the system to store energy for long periods and release it when needed.