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2026 Cleantech Open Northeast Boston Kickoff Party

March 11, 2026 @ 4:00 pm 7:00 pm ET

Join us for an evening of food, drink, celebration, and opportunity!

Come join Cleantech Open Northeast for an evening of food, drink, celebration and opportunity at Greentown Labs in Somerville, MA! Since 2005, almost 60% of Cleantech Open’s reporting U.S. alumni companies are still active and have collectively raised over $2B in external funding.

Learn how the accelerator program can help you develop your cleantech venture and how to apply to the accelerator. We welcome entrepreneurs, students, investors, savvy technologists, and those interested in joining our growing cleantech community.

EVENT AGENDA:

About Cleantech Open – meet the Cleantech Open Northeast team and learn about opportunities to be involved.

Alumni Lightning Talks – hear from Cleantech Open alumni about their experiences in the program.

Entrepreneur Introductions – tell us about yourself and your clean technology & business. To participate in this part of the program, please sign up when you register!

Q&A – ask your questions about the program, application process, and more.

Networking – meet people in the local ecosystem who are interested in and support Boston cleantech entrepreneurs in a wide variety of ways.

The Cleantech Open early bird application is open February 1-27! Early bird applicants receive a reduced application and program fee.

Event Speakers:

Trish Flemming, 2026 Cleantech Open Northeast Mentor Committee Co-Chair

Joshua Persky, Co-Founder & CTO of Teragen Energy (2025 Northeast Regional Winner, National Semi-Finalist)

Jose LaSalle and Joe Hastry, Co-Founders of Florrent (2022 Cleantech Open Northeast Regional Finalist)

Winston Morton, CEO of Climative (2024 Cleantech Open Northeast Alum)

Ian Goodine and Ethan Walko, Co-founders of rStream (2021 Cleantech Open Northeast Alum)

Ellie Rusling, CEO and Co-founder of MicroEra Power (2016 Cleantech Open Northeast Alum)

Register Now

Learn more and register here!

If you have questions or need to request accommodation, please reach out to Greentown Labs’ Ecosystem and Events Manager, Kelly Wilson (kwilson@greentownlabs.com).

Venue Information

Parking is incredibly limited at Greentown Labs and we encourage attendees to consider taking advantage of public transportation. We’re a short walk from the recently opened Union Square station, as well as 1 mile away from both the Harvard and Porter MBTA stations. Union Square in Somerville is also easily accessible via the #86 and #91 MBTA buses. We offer bike parking on-site and the closest Bluebikes stations are at Dane St., Conway Park and Union Square.

Location:
Greentown Labs Boston
444 Somerville Ave
Somerville, Massachusetts 02143 United States
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