Join us for an afternoon and evening of live pitching, showcasing, and awards to honor the 2025 Cleantech Open Northeast cohort in completing the accelerator program. Help us select the Regional Winners. All of our cohort startups are invited to showcase throughout the event, and the Finalists will pitch to the live audience.

This is the largest Cleantech Open Northeast event of the year, bringing together industry professionals, entrepreneurs and innovators to celebrate the region's top cleantech startups. All members of the cleantech innovation community are encouraged to attend. Come celebrate cleantech innovation with us and cheer on the cleantech entrepreneurs who are poised to change the world!