Cleantech Open

The Cleantech Open runs the world's largest cleantech accelerator. Our mission is to find, fund and foster entrepreneurs with big ideas that address today's most urgent energy, environmental and economic challenges. We provide the infrastructure, expertise and strategic relationships that turn clever ideas into successful global cleantech companies. Fueled by a global network of more than volunteers and sponsors, the Cleantech Open unites the public and private sectors in a shared vision for making the cleantech sectors a thriving economic engine around the world. For more information, visit or follow us on @cleantechopen and Facebook.