Startup Portfolio
Tackling global billion-dollar markets and hard-to-abate sectors, our climate tech startups are addressing the emissions challenges that will make or break this decisive decade.
Meet Our Latest Startups: Cohort 23-1!
As part of our effort to move the needle—and the market—on climate tech, D3 is proud to announce Cohort 23-1. It comprises 15 promising climate tech startups spanning diverse sectors and solutions.
STARTUPS BY COHORT:
- All
- Ag and Land Use
- Batteries
- Biofuels / Synfuels / Chemicals
- Building Heat
- Building Software
- Buildings
- Buildings (cooling / heating / envelopes)
- Buildings (lighting / appliances)
- Carbon Capture and Utilization
- Carbon Markets
- Clean Fuels
- Cohort 22-1
- Cohort 22-2
- Cohort 22-3 (CDR)
- Cohort 23-1
- Cohort 417
- Cohort 419
- Cold Chain
- DAC
- Electric Mobility
- Electricity
- Enabling Software
- EV Charging Infrastructure
- Financing and Project Development
- Fugitive Emissions
- Hydrogen
- Industry
- Long-duration Storage
- Low-carbon Materials
- Other
- Power Electronics and Hardware
- Renewable Energy
- Renewable Generation
- Renewable Process Heat
- Transportation
- Vehicle Efficiency
- Waste

Aepnus Technology

Aeromutable
Reducing aerodynamic drag on trucks with an AI-controlled air injection system.
ALT Mobility
Electrifying urban mobility in India with simplified, affordable commercial EV leasing solutions.

Altus Thermal
Electrifying domestic hot water to deliver greater savings, ensure user comfort, and reduce carbon emissions.

Antora Energy
Building inexpensive long-duration energy storage using high-efficiency thermophotovoltaics.

ATEC Global
Decarbonising cooking globally, an opportunity larger than the global airline industry — enabled through automated IoT payments.

Aureus Earth

Aurora Hydrogen

Automat Solutions

Banyan Infrastructure
Making it easier for lenders and borrowers to finance sustainable infrastructure projects.

Bedrock Energy

betteries AMPS GmbH
Providing mobile, modular, and multipurpose power systems based on upcycling EV batteries.

Blue Frontier
Reducing air conditioning-related energy consumption up to 90%.

BlueDot Photonics
Enabling perovskite-based photovoltaics that improve the efficiency and durability and lower the costs of solar energy.

Brimstone Energy

Cache Energy

Carbonfuture

Celadyne Technologies
Developing a new proton exchange membrane (PEM) for use in fuel cells and electrolyzers.

Cell Propulsion
Electrifying commercial vehicle fleets in India by offering full-stack solutions, comprising electric trucks, operations and management support, charging, and energy and asset management services.

CleanFiber
Providing carbon-negative cellulose insulation that outperforms conventional products, without added costs.

ClimateCrop

ClimateWells

CM Materials

CoFlow Jet Wind Turbines

Compact Membrane Systems
Developing membrane solutions for hard-to-decarbonize industrial sectors and applications.

Criaterra Innovations

Darcy Solutions
Boosting the efficiency, reducing cost, and reducing the number of boreholes needed for ground-source heat pumps.

Digital Harvest
Using machine learning technology to enhance agricultural yields and increase profits for sustainable agriculture farmers.
Dimensional Energy
Defossilizing future hydrocarbons.

Eavor Technologies
Creating the world’s first truly scalable form of clean, baseload, and dispatchable power.

EH Group Engineering

ElectricFish
Building and deploying resilient and flexible EV infrastructure to accelerate decarbonization, and support community adaptation to climate risks.

Enchi Corporation
Driving the next generation of biofuels, starting with non-food cellulosic ethanol.

Energy Dome
Developing a low-cost and efficient system for long-duration electricity storage using liquid CO2.

Energy Integration Inc.
Designing and installing mechanical vapor recompression (MVR) systems for efficient, electrified, decarbonized biofuels production.

Flexodes Inc
Eliminating the need for rare earth metals, and delivering safer batteries with 50% higher energy density using commonly available materials.

Frost Methane
Helping to identify and neutralize concentrated sources of methane worldwide, including larger anthropogenic methane sources such as abandoned and active coal mines.

FSC Technologies

Geminus.AI

iBeam Materials
Developing a transformative new manufacturing technology for low-cost, high-efficiency, LED light.

Ionic Liquid
Replacing HFC refrigerants with proprietary additives that allow practical use of carbon dioxide as a cooling system refrigerant.

Iris Light Technologies
Developing a tunable laser that can be printed directly onto semiconductor chips for improved data center efficiency.

Kanin Energy

Krosslinker

M2 Thermal Solutions

Mangrove Lithium

Materials Nexus

Mission Zero Technologies

MOJO Green

Mycotech Labs

Nithio Holdings

Parthian Energy

Perl Street
Creating a platform to streamline project financing of emerging distributed infrastructure assets.

Planet A Energy

Power to Hydrogen (P2H2)

Prescinto Technologies

Quanterra Systems

Radiant Labs
Finding the best fit across a population for technology using cost-benefit optimization and identifying market opportunities for companies.

Rebound Technologies

Refillable

rePurpose Global

Seaforestation
Pioneering algae production in deeper water away from coastlines.

SeeO2 Energy

Shimmer Industries

Sironix Renewables

Strawcture Eco
Making carbon negative insulating building materials to decarbonize the built environment

Summit Nanotech

Switched Source

TekUncorked
Improving reliability and reducing losses on India's electricity grid.

Three Wheels United

TS Conductor

Utvyakta Solutions

Volt14 Solutions

Wild Microbes

XL Batteries

Zinc8 Energy Solutions
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