Read about Cleantech Open Northeast alumni successes and milestones! As the country moves forward towards clean energy and climate conscious activities, Cleantech Open Northeast will be posting news of our alumni throughout the year. We want to highlight these visionary companies and celebrate the successes they experience as they work towards a better, healthier future for all of us. Alumni startups participating in the Cleantech Open Northeast are especially well-positioned to have real potential for global impact. Read about these companies’ successes and transformative, necessary work below.

*This blog will cover the entire year, so come back often to see the latest updates! 

**The years in parenthesis indicate when the startups participated in the Cleantech Open accelerator

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Featured Alumni of the Month

January - Husk Power 

February - Voltpost

March - MicroEra Power

April - TBD

May - TBD

June - TBD

July - TBD

August - TBD

September - TBD

October - TBD

November - TBD

December - TBD

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Aclarity (2018)

• Featured in the 2025 Global Cleantech 100 for Water Innovation and Developing a novel electrochemical approach to PFAS destruction (article)
• Cleantech Group Honors Outstanding Innovators Recognizing Aclarity as one of the Rising Star Companies of the Year (article)

Active Surfaces (2023)

• Woburn startup could give U.S. Solar Industry a second chance (article)
• Active Surfaces joined Cohort 6 in the 100+ Accelerator (post)

AeroShield (2019)

• AeroShield Takes Bold Step Forward in Production of More Energy-Efficient Windows with Major Plant Upgrade (article)
• AeroShield Upgrades Plant for Production of Aerogel-Coated Glass (article)
• AeroShield is one of the track winners of the 2025 Hello Tomorrow Global Challenge (post)
• AeroShield Marks Milestone in Energy-Efficient Window Production with Creation of First Full-Size Aerogels for Entry Doors (article)

Anax Power (2019)

• Anax Power and Magellan Scientific Use Turboexpander for Emissions-Free Computing. (article)

BLUEiQ (2023)

• BLUEiQ is Enhancing Maritime Domain Awareness Through AI-Enabled Acoustic Buoys for Real-Time Detection & Tracking of Fast Moving Vehicles (article)

CF Technologies (2019)

• CF Technologies demonstrates first-of-its-kind supercritical biodiesel pilot in Wareham, MA (article)

Clean Valley CIC (2022)

• Clean Valley CIC joined the Blue Economy ClimAcceletator Malta Cohort (post)

Divert (2006)

• Divert Inc. Appoints Brad Lukow as Chief Financial Officer (article)

Ecotone Renewables (2021)

• Ecotone Renewables has been awarded $130,000 through Pennsylvania’s first-ever Agricultural Innovation Grant Program (article) 
• Co-founders Kyle Wyche, Elliott Bennet, and Dylan Lew were recognized in 2025 Forbes 30 under 30 (article)

EMPEQ (2016)

• The Barcode is Dead: How EMPEQ is Revolutionizing Equipment Identification (article)

Enersion (2019)

• Featured in the 2025 Global Cleantech 100 for Energy & Power (article)

Finsulate (2021)

•  Furgo Searcher Successfully Completes 10 Years with Finsulate Antifouling (article)

Florrent (2023)

• Florrent received a $403,175 grant award from the Healey-Driscoll administration and MassTech's Center for Advanced Manufacturing (article)

GreenIRR (2023)

• Green IRR joined Newlab in Brooklyn, NY (post)
• Green IRR was featured in NYC EDC's Founder Fellowship press release alongside 75 companies (article & post)

Haylon Technologies (2023)

• Raj Lulla, Namin Shah, and Dante Vaisbort of Haylon Technologies were recognized in 2025 Forbes 30 under 30 (article)

Husk Power Systems (2008)

• Husk electrifies 200 new communities in 1 year, doubling its fleet of solar minigrids and cementing global leadership position (article)
• Husk Power and Acumen's Hardest-to-Reach initiative partner to tackle energy poverty in the DRC with solar minigrids (article)
• Accelerating Rural Electrification: Husk Power Systems (article)
• Husk Power was selected as part of the Top 10 Best Electric Utility Companies in USA 2025 (article)

Kara Water (2019)

• Kara Water raised over $1.6M on their StartEngine campaign for transforming air into ultra pure drinking water (product)

Kelvin (2012)

• Influencers in CRE technology 2025 (article)
• Featured in the 2025 Global Cleantech 100 for Waste and Recycling (article)

Magnomer (2018)

• Magnomer joined Cohort 6 in the 100+ Accelerator (post)

Measured Air Performance (2021)

• Measured Air Performance was awarded funding in MassCEC's latest $6.4 million investment in climatetech companies and researchers (article)

MicroEra Power Inc (2016)

• MicroEra Power joined the 2025 Third Derivative Cohort (article)
• MicroEra Power was selected as part of the Top 10 Best Electric Utility Companies in USA 2025 (article)

Moby (2022)

• Moby was featured in NYC EDC's Founder Fellowship press release alongside 75 companies (article & post)

Muon Vision (2020)

• Muon Vision raised $2.5 million in seed round led by Azolla Ventures (website & post) 

People's Energy Analytics (2023)

• Modern challenges facing electric vehicle adoption: A review of barriers to adoption, supply chain challenges, and equity (article)

Prezerv Technologies (2023)

• Prezerv Technologies was selected to collaborate with the NYC Department of Environmental Protection (post)

rStream (2021)

• rStream was awarded funding in MassCEC's latest $6.4 million investment in climatetech companies and researchers (article)

Scanifly (2019)

• Scanifly & Unirac Integrate Drone-based Site Surveys with Plan Sets, Saving Installers 2+ Hours per Project in Workflow Automation (article)
• Scanifly and Pegasus Integrate Drone-Based PV Design with Racking Layouts, Removing Rework and Accelerating Time to Install (article)
• Scanifly & K2 Quote Integrate Drone-Based PV Design with Racking & Bill of Materials, Eliminating Duplicate Work and Accelerating Time to Install (article)

Sealed (2013)

• Lauren Salz, CEO and Co-Founder at Sealed, was recognized as an all star alum in 2025 Forbes 30 under 30 (article)

Solstice (2015)

• Solstice Launches Program to Support Communities with Renewable Energy Funding (article)

SparkCharge (2016)

• SparkCharge was awarded funding in MassCEC's latest $6.4 million investment in climatetech companies and researchers (article)
• How Josh Aviv Took His EV Startup From His Dorm Room To Shark Tank (article)

SuryaTech (2024)

• SuryaTech won first place at the FORGE "Scale Up Your Startup" pitch competition (post)

Turnover Labs (2024)

• Pulse 2.0 Interviewed Turnover Labs Founder & CEO Marissa Beaty About the Climate Tech Company (article)

Verde Technologies (2022)

• Burlington Company Launches New, Efficient, Solar Panels (article)

Voltpost (2021) 

• Volpost retrofits lamp posts into modular EV chargers for cost-effective, scalable curbside charging in San Francisco (article)
• Biden Harris Administration Announces New Funding to Connect and Scale the Electric Transportation Ecosystem
• San Francisco picks first neighborhoods for curbside EV charging pilot program (article)
• Voltpost was named in 5 Environmental Startups Leading the Way in 2025 (article)
• Ev Charging Buildout in New York Will Proceed Despite Trump's Lack of Support (article)
• Voltpost recently signed a business letter in support of the EPA’s proposed power plant rules (article)
• Luke Mairo was recognized in 2025 Forbes 30 under 30 (article)
• Changing the Future of Urban Mobility: A Recap of Voltpost's Vision and Progress (article)
• Luke Mairo was featured in Forbes, "Fusion Fund Raises $190 million to Back The Next Tech Giant" (article)