US Department of Energy Portfolio Companies

AirCapture develops an on site and modular direct air capture technology.

ION Storage Systems is an energy startup developing Solid State Lithium Metal Batteries.

Trillium Renewable Chemicals manufactures chemicals from renewable feedstocks used in a variety of industrially important applications.

Celadyne Technologies develops membranes for use in electrolyzers and fuel cells that require minimal heat and water management.

Focused Energy is a fusion energy company developing laser-driven inertial fusion systems for commercial power generation.

Terra CO2 Technologies specializes in the production of low-carbon alternatives for cement replacement.

Zymochem provides a carbon-efficient bio-manufacturing platform that converts renewable feedstocks into bio-based materials.

Anthro Energy is a battery technology company that uses polymer electrolytes to improve the safety and adaptability of lithium-ion cells.

Daphne Technology is a developer of a sustainable, technically advanced and cost efficient air emissions control system.

Via Separations is a technology company that develops membrane materials for modular and resource separation solutions.

Helix Earth is applying our NASA-born technology to improve commercial products and processes financially and for the benefit of humankind.

Arbor Energy is a clean power company that creates compact systems to generate clean, dependable electricity with zero emissions.

Lumen Bio discovers, develops, and manufactures biologic drugs and vaccine candidates for various diseases.

RenewCO2 is a research company that develops processes for converting CO2 into polymers and chemicals.

AIoT Predictive Monitoring for Power Infrastructure

Terrestrial Energy is a developer of a reactor power plant technology to provide carbon-free energy for the global industry.

Gross-Wen Technologies is a biotechnology company that specializes in the fields of water quality, wastewater, and water nitrogen.

Realta Fusion develops fusion energy technology for the production of industrial heat and power.

Molg specializes in circular manufacturing, utilizing robotics to autonomously disassemble complex electronic products.

Queens Carbon is working on a processing system that will dramatically cut energy use.

InventWood develops cellulose-based materials for environmental.

Recycler focused on solar-PV systems.

Equiwatt is a digital platform enabling households to get paid for saving energy at peak times.

Mitra Chem is a lithium-ion battery material manufacturing company that innovates and commercializes iron-based cathode materials.

Capture6 is a direct air capture start-up leveraging its technology to support climate resilience and industrial decarbonization.