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CleanTech Open Accelerator Applications Due

April 16, 2023


Cleantech Open is the world’s largest cleantech accelerator, providing entrepreneurs and corporate innovators the resources they need to launch and grow successful cleantech businesses. Our one-of-a-kind innovation ecosystem built over the last 19 years of programming spans key cleantech innovation hubs in the U.S., linking labs and universities, service providers, investors, corporations, governments, and other cleantech incubators and accelerators.

Through our annual accelerator, we provide between 100-150 companies in the U.S. with a rich program of customer discovery, extensive mentoring, training, investor meetings, startup-corporate matching, and showcasing at both the regional and national levels. Since 2005, more than 70% of our reporting U.S. alumni companies are still operating and have collectively raised over $2B in external funding. Join this exciting community and be a part of our global network of innovation.


April 16, 2023
Event Category:


Roxbury Innovation Center
2300 Washington Street
Boston, MA 02119 United States
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