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We find, fund, and foster the most promising cleantech startups on the planet.


Cleantech Open is...

the oldest and largest cleantech startup accelerator program, with the mission to find, fund, and foster entrepreneurs with ideas to solve our greatest environmental and energy challenges. Through the Cleantech Open's annual business competition and accelerator program, we connect cleantech startups with the people and resources that will accelerate their success, and provide a national platform for public visibility.

The Cleantech Open is a non-profit, startup accelerator that focuses on the clean technology area. It is active across the United States in eight regions and also runs a global ideas competition. Since 2005, the Cleantech Open has awarded over $6 million in cash and services. And the 1000+ companies in the Cleantech Open's accelerator programs have raised more than $1.1 billion in external capital.

Cleantech Open West Covers...

California, Nevada, Hawaii, Oregon, Washington and British Columbia. Cleantech Open West comprises of two regions: the Western Region and Pacific North West. The Western Region started life as the California Cleantech Open, but as the organization expanded across the States, it was renamed the Western Region. It now encompasses California, Nevada and Hawaii. As the longest standing region of the Cleantech Open, it has had over 200 companies graduating through its program. The Pacific Northwest region started out in 2009 in the cities of Portland, Seattle, Tri-Cities and Boise. It has now grown to include the states of Oregon and Washington. In 2015, the Cleantech Open West is now active in British Columbia, Canada.

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