Meet Our Newest Startup Members

Nearly 30 startups joined our community in the final quarter of 2020, working on innovations as diverse as zinc-ion batteries, long-range weather forecasts, wave energy conversion, and replacements for petrochemical plastics.

We’re thrilled to support these groundbreaking climatetech startups—let us introduce you!


Altus Thermal is rethinking energy use in the home to deliver higher efficiency, greater comfort, an improved user experience, and increased benefits to the electrical grid.

Quantum New Energy’s platform, EnerWisely, helps people transform their unused energy consumption data into personalized, actionable insights to maximize their monetary savings and reduce their environmental impacts.

Varea Energy aims to accelerate the transition to an energy-efficient future by rooting out inefficient waste, water, and energy systems to increase sustainability and decrease operational costs for commercial facilities.


CalWave Power Technologies’ proprietary wave energy converter technology unlocks the vast and steady carbon-free power from ocean waves, bringing superior power-generating technology to market with a global reach. 

ClearValue deploys zero-net-carbon, sustainable, renewable, and resilient electrical generation and transportation power systems via combustion of in situ, sunlight-powered, bio-chemically formed, pure hydrogen and oxygen.

Eclipse Solar Projects finances, develops, owns, and operates utility-scale solar projects in North America through newly developed technology and potential battery storage operations.

Electric Fish is building tiny-battery microgrids that store renewable energy during the day in order to charge EVs at ultrafast speeds, anytime, at gas stations.

Ennuity Holdings is creating a brand new asset class that allows individuals to buy out their electric utility bill, funding construction of clean energy infrastructure while receiving an in-kind return that substantially beats other types of fixed income investments.

Excipio Energy is an offshore renewable energy company integrating wind, wave, currents, OTEC, and power-to-fuel in a single floating platform.

e-Zinc, a participant in the Bold Ideas 2020 Greentown Launch program with Schneider Electric, has developed a breakthrough electrochemical technology for storing energy in zinc metal. This energy storage solution is low-cost, flexible, and long-duration.

PolyJoule develops low-cost, high-power energy storage designed to strengthen the power grid.

REVOLUTION Turbine Technologies is developing a revolutionary, carbon-free power generation solution that solves pain points for upstream oil and gas.

Revterra is developing a highly efficient kinetic energy storage solution for utility-scale applications, such as the storage of solar and wind energy.

Salient Energy, a participant in the Bold Ideas 2020 Greentown Launch program with Schneider Electric, makes a unique zinc-ion battery with a water-based chemistry that is cheaper, safer, and longer-lasting than lithium-ion batteries.

Smart Resource Labs offers cost-effective, intuitive tools for smarter management of complex electrical systems.

ULTROGEN has a proprietary, patent-pending nanotechnology that increases the production of green hydrogen in alkaline electrolyzers by 50 times at 90 percent lower CAPEX.

Veloce Energy’s FastGrid™ system, initially focused on cost-reduction in EV charging stations, uniquely combines energy storage, intelligence, a streamlined installation system, and a charging-infrastructure-as-a-service model.


Applied Bioplastics uses plant matter to produce affordable polymers with properties that are equal to or better than those of traditional petrochemical plastics, resulting in a noticeable carbon footprint reduction.

Folia Materials is creating a safer, cleaner, and healthier world with its anti-viral paper.


ClearTrace’s cloud-based SaaS solution leverages blockchain technology to track, trace, and manage renewable energy delivery connected to corporate sustainability and ESG goals, while simultaneously creating transactable digital assets for energy and environmental attributions.

e^2: equitable energy is a multi-brand cause-marketing platform that onramps consumers on the road to drive carbon neutral, accelerate deployment of sustainable energy solutions, and incentivize adoption of zero-emission vehicles.

Overstory uses machine learning to interpret satellite imagery and climate data in order to monitor the risk of vegetation interacting with power lines, decreasing the risk of fires and outages and reducing costs.

Renu Energy focuses on “Renuable” energy technologies to create efficiency and economic advantages with a responsible and accountable future. The company specializes in the recycling industries, water filtration, and wind energies.

Salient Predictions produces the world’s most accurate long-range weather forecasts (from three weeks to more than nine months out) for temperature and precipitation.

Sensai Analytics, a participant in the Bold Ideas 2020 Greentown Launch program with Schneider Electric, is developing an enterprise AI platform that enables companies with limited machine learning expertise to build scalable and robust time series forecasting models.

Skylark Wireless enables truly ubiquitous broadband connectivity using fixed wireless systems that avoid the high cost and environmental disruption of trenching or stringing fiber.

SolarFi develops Privé, a unique and blissful experience for social-distanced gathering in a transparent house that combines the arts, renewable energy, and sustainability.


Black Mountain Metals is a global battery metals mining company, specifically focused on sustainable nickel and copper mining for lithium-ion battery cathodes.

Want to engage with the Greentown community? Apply for membership, become a partner, or join our investor program!