Cleantech Open

World’s oldest and largest cleantech accelerator

Cleantech Open is the world’s oldest and largest cleantech accelerator and is dedicated to providing entrepreneurs and technologists the resources needed to launch a successful cleantech company. Our mission is to find, fund and foster entrepreneurs with big ideas that address today’s most urgent energy, environmental, and economic challenges. A 501(c)(3) not-for-profit organization, the Cleantech Open provides the infrastructure, expertise and strategic relationships that turn clever ideas into successful global cleantech companies. Over the past eight years, the Cleantech Open has awarded over $5 million in cash and services. During that time, our 1200 alumni companies have raised more than $1.2 billion in external funding. Fueled by a network of more than 2,000 volunteers, Cleantech Open unites the public and private sectors in a shared vision for making America’s cleantech sector a thriving economic engine. For more information, visit  cleantechopen.org or follow on Twitter