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CleanTech Open 2024: Maine Launch

  • Thursday, February 29, 2024
  • 5:00 PM - 7:00 PM
  • 300 Fore Street, Portland, ME


  • Registration for employees of Sustaining Partners (


Come join E2Tech and NECEC with the UMaine Portland Gateway at the Maine Center for an evening of food, drink, celebration and opportunity!  

Learn how the CleanTech Open accelerator program can help you develop your venture and how to apply to participate. Since 2005, more than 70% of Cleantech Open's reporting alumni companies nationwide are still active and have collectively raised over $2B in external funding.

We welcome entrepreneurs, students, investors, savvy technologists, and those interested in joining our growing cleantech community in Maine. E2Tech has been a partner in this initiative since 2013, and participation fees for Mainers in CleanTech Open Northeast can be covered by Maine Technology Institute!


  •  About Cleantech Open Northeast - meet the team and learn about opportunities to be involved. 
  • Also brief comments from Eric Howard, E2Tech's Executive Director and Susan Morris, honorary consul of Canada in Maine.
  • Alumni Lightning Talks - hear from Cleantech Open Northeast alumni about their experiences in the program.
  • Entrepreneur Introductions - certain firms will present their 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 Maine cleantech entrepreneurs in a wide variety of ways.

For background, see the Cleantech Open Northeast 2023 Impact Report or watch this four-minute video. Both from Maine, Amply Energy was the 2023 Northeast Regional Winner, and Shred Electric was a 2023 Northeast Regional Finalist.

Please register early. $10 for E2Tech and NECEC members, free for CleantechOpen 2024 Prospective Startups, Cleantech Open Alumni and Mentors, and Program sponsors as well as students. Please email to be registered under a special category. If you've got a world changing idea, don't let cost be a barrier to attendance. Registration is capped at 100 attendees and we may reach capacity.

The Maine Center at 300 Fore Street also serves as the home of the University of Maine School of Law. Parking is available across the street at the Custom House Parking Garage, and street-side parking on many nearby streets is free after 5 pm.

Event Sponsors & Partners:


E2Tech's Annual Sponsors& Partners:

Maine Technology Institute | Biz Marketplace |    Eaton Peabody Attorneys at Law - Maine's Full Service Law Firm


E2Tech Sustaining Partners (as of 2/14/2024)

SUSTAINING LEADERSBernstein Shur, Burns & McDonnell, Central Maine PowerOrstedSMRT Architects & Engineers

SUSTAINING STEWARDS: Arcadia, Berry Dunn, BRI Environmental, Consulate General of Canada, Cianbro, Credere Associates, DNV GL, East Brown Cow, Eaton Peabody, ECI, EDP Renewables, Generac, GZA, Hydro Quebec, Key Capture Energy, LS Power, Northeast BankMaine Community SolarOcean Renewable Power Company, Perkins ThompsonPierce Atwood, PowerMarket, Preti Flaherty, Quebec Government Office in Boston, ReVision Energy, RLCRoyal River Heat Pumps, Sandborn, Head & Associates, Sebago Technics, Sevee & Maher Engineers, Stantec, Summit Natural Gas, Sunrun, Tetra Tech, TRC, Verrill and VHB 

SUSTAINING INDIVIDUAL DONORSSeveral Committed Mainers and Friends 

E2Tech events are FREE for elected public officials; federal, state and municipal employees, members of the press, and students.  Please email to be registered under these categories.

E2Tech: Environmental & Energy Technology Council of Maine

Find E2Tech:

207-800-TECH (8324)  //

Mail E2Tech:
P.O. Box 8517  Portland, ME 04104

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