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US Department of Energy's Clean Energy Portfolio

Browse 14 Clean Energy companies funded by US Department of Energy. See funding amounts, founder contacts, and investment details.

Clean Energy Companies
14
Total Funding in Clean Energy
$304.0M

Clean Energy Portfolio Companies (14)

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Clean EnergyEnergyRenewable Energy

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

Darmstadt, Germany
May 2026
Series A

Founder Contacts

19,000+ verified contacts

Clean EnergyCleanTechMarine TransportationNanotechnologyPower GridShipping

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

Saint-sulpice, Switzerland
April 2026
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

AerospaceBiomass EnergyClean EnergyHardwareRenewable Energy

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

Los Angeles, United States
October 2025
$55.0M
Series A

Founder Contacts

19,000+ verified contacts

Clean EnergyCleanTechEnergyGeothermal EnergyNuclearRenewable Energy

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

Oakville, Canada
July 2025
$25.8M
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

Carbon CaptureClean EnergyCleanTechGreenTech

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

Berkeley, United States
March 2025
$27.5M
Series A

Founder Contacts

19,000+ verified contacts

Advanced MaterialsClean EnergyConsumer ElectronicsElectric VehicleElectronicsEnergy EfficiencyMedical DeviceWireless

Resonant Link delivers the world's fastest and easiest to use wireless charging for medical devices, consumer electronics, and EVs.

South Burlington, United States
January 2025
$3.4M
Series A

Founder Contacts

19,000+ verified contacts

Advanced MaterialsBatteryChemicalClean EnergyElectronicsFuel CellInformation TechnologyRenewable EnergyWaterWater Purification

Ionomr makes Aemion‚Ñ¢ & Pemion‚Ñ¢, next-gen ion-exchange materials for breakthrough clean technology applications involving electrochemistry.

Vancouver, Canada
October 2024
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

Clean EnergyConsumer ElectronicsElectronics

Gradient's mission is to cool the world by transforming every home to be more comfortable and healthy for the people who inhabit it.

San Francisco, United States
February 2024
$9.5M
Series A

Founder Contacts

19,000+ verified contacts

Clean EnergyEnergyEnergy EfficiencyHome ServicesRenewable Energy

Zero Homes is a technology company that develops an end-to-end digital platform that supports homeowners and contractors.

Denver, United States
February 2026
$16.9M
Series A

Founder Contacts

19,000+ verified contacts

Clean EnergyEnergyNuclear

Stellarator technology to transform energy markets with fusion power.

Oak Ridge, United States
January 2026
$87.0M
Convertible Note

Founder Contacts

19,000+ verified contacts

Clean EnergyConstructionEnergy StorageRenewable Energy

Sperra provides concrete solutions for renewable energy.

Boulder, United States
December 2025
Grant

Founder Contacts

19,000+ verified contacts

Clean EnergyEnergy

Sunwealth Power is a operator of a tech-driven clean energy investment firm created to invest in clean and solar energy projects

Somerville, United States
September 2025
$20.0M
Debt Financing

Founder Contacts

19,000+ verified contacts

Clean EnergyCleanTechManufacturing

NOVONIX is a developer and supplier of high-performance materials and technologies for the global lithium-ion battery industry.

Bedford, Canada
July 2025
$58.8M
Post Ipo Debt

Founder Contacts

19,000+ verified contacts

Clean EnergyManufacturingSemiconductor

Optigon offers materials scientists and manufacturers solutions to help speed the development and deployment of clean energy materials.

Somerville, United States
May 2025
$100K
Grant

Founder Contacts

19,000+ verified contacts

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