Greentown Labs Member Milestones — December 2023

Our 200+ startups never fail to impress us with their hard work and commitment to scaling their climatetech solutions! Check out their latest accomplishments below.

Interested in engaging with or joining our community of climatetech startups? Learn about how you can take action with our members or apply for startup membership!


  • Nth Cycle closed a $37M Series B—including from Greentown Labs partner Equinor Ventures—and raised $7M more in non-dilutive funding for its critical-metals-refining technology.
  • Allspice raised $6M in venture capital for its hardware development platform.
  • AmpUp was awarded $1.7M in project funding from the state of Connecticut to implement its EV-charging demand management solution.
  • Tender received a nearly $1M SBIR Phase II grant from the National Science Foundation, under which it will collaborate with the Kaplan Lab at Tufts University and the Tufts University Center for Cellular Agriculture to broaden the number of animal species for its plant-based meat products and systematically evaluate the benefits of adding animal cells to plant-based products.
  • Greentown alum Malta closed a round of funding to support its grid-scale, long-duration-energy-storage system.