Granarium Technologies

Granarium Technologies is a deeptech energy startup spun out from VTT. They have developed a renewable energy storage technology based on a nanocellulose-based material platform that binds biocarbon structures for power storage. This technology enables up to 80% lower production capital expenditure in safe, scalable, and locally producible systems. Their first-of-its-kind technology can upcycle waste materials to create 100% renewable supercapacitors that store electricity. The system acts as a fast-response layer within energy systems, complementing batteries and addressing short-duration power needs such as grid balancing, frequency response, and industrial power quality. They are focused on industrial applications and grid stabilization, aiming to support Europe's strategic goals of reducing dependency on critical raw materials and building local, resilient energy infrastructure.