Skip to main content
Back to Investors

US Department of Energy Portfolio Companies

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

Last updated: July 2026

US Department of Energy Investment Overview

Portfolio Companies
434
Total Invested
$17.3B
Average Investment
$74.7M

US Department of Energy's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
EnPower2024GrantUndisclosedIndianapolis
Wildlife Imaging Systems2024GrantUndisclosedHinesburg
Wright Electric2024GrantUndisclosedAlbany
Planted2025Series AUndisclosedOakland
AtmosZero2024GrantUndisclosedFort Collins
Nanoionix2023GrantUndisclosedFarmington
KORE Power2023Debt FinancingUndisclosedCoeur D'alene
NexTC2022Pre-SeedUndisclosedCorvallis
Solidion Technology2026Post-IPO EquityUndisclosedDallas
eXoZymes2026GrantUndisclosedMonrovia

Complete List of US Department of Energy Portfolio Companies (434)

Export
#CompanyStageAmountLocation
26EnPowerGrantUndisclosedIndianapolis, United States
27Wildlife Imaging SystemsGrantUndisclosedHinesburg, United States
28Wright ElectricGrantUndisclosedAlbany, United States
29PlantedSeries AUndisclosedOakland, United States
30AtmosZeroGrantUndisclosedFort Collins, United States
31NanoionixGrantUndisclosedFarmington, United States
32KORE PowerDebt FinancingUndisclosedCoeur D'alene, United States
33NexTCPre-SeedUndisclosedCorvallis, United States
34Solidion TechnologyPost-IPO EquityUndisclosedDallas, United States
35eXoZymesGrantUndisclosedMonrovia, United States
BatteryCleanTechEnergyManufacturingTransportation

EnPower is developing fast charge Lithium-ion batteries to accelerate the adoption of electric vehicles.

Indianapolis, United States
August 2024
Grant

Founder Contacts

19,000+ verified contacts

Image RecognitionMachine LearningMotion CaptureVideo

Wildlife Imaging Systems develops a machine vision platform to help the research community conserve wildlife through video capture.

Hinesburg, United States
August 2024
Grant

Founder Contacts

19,000+ verified contacts

AerospaceAir TransportationElectric VehicleManufacturing

Wright Electric is a leader in the future of sustainable, lower emissions air travel.

Albany, United States
August 2024
Grant

Founder Contacts

19,000+ verified contacts

Clean EnergyEnergyRenewable EnergySolar

Smarter Solar Deployment—From Planning to Power

Oakland, United States
July 2025
Series A

Founder Contacts

19,000+ verified contacts

ElectronicsMachinery Manufacturing

AtmosZero is a modular electrified boiler that converts the heat already present in the air into decarbonized steam.

Fort Collins, United States
July 2024
Grant

Founder Contacts

19,000+ verified contacts

Advanced Materials

Nanoionix develops engineered materials that protect the environment and enhance our quality of life.

Farmington, United States
July 2023
Grant

Founder Contacts

19,000+ verified contacts

Electric VehicleEnergyEnergy StorageManufacturingRenewable Energy

Kore Power manufactures energy storage, electric vehicles, microgrids, utilities, and e-mobility systems for the clean energy industries.

Coeur D'alene, United States
June 2023
Debt Financing

Founder Contacts

19,000+ verified contacts

Advanced MaterialsElectronicsManufacturing

nexTC manufactures insulator and conductive oxide coatings for the energy and large area electronics markets.

Corvallis, United States
June 2022
Pre-Seed

Founder Contacts

19,000+ verified contacts

BatteryCleanTechEnergy StorageManufacturingRenewable Energy

Solidion Technology is a battery technology company that manufactures battery materials, components, and next-generation batteries.

Dallas, United States
June 2026
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)BiofuelBiotechnologyPharmaceutical

eXoZymes develops enzyme-based biomanufacturing solutions that use AI-enhanced, cell-free enzyme systems.

Monrovia, United States
June 2026
Grant

Founder Contacts

19,000+ verified contacts

Carbon CaptureEnergySustainability

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

Berkeley, United States
June 2026
Grant

Founder Contacts

19,000+ verified contacts

AerospaceBatteryConsumer ElectronicsElectric VehicleElectronicsEnergyEnergy StorageManufacturingMedical DeviceMilitary

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

Beltsville, United States
June 2026
Venture - Series Unknown

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
June 2026
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

ManufacturingWaterWater Purification

PowerTech Water is a wastewater solution company that offers a chemical-free water treatment platform.

Lexington, United States
June 2023
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

Big DataCyber SecurityIT InfrastructureSoftware

Fend provides a secure way to have situational awareness of IoT-enabled assets.

Arlington, United States
June 2024
Debt Financing

Founder Contacts

19,000+ verified contacts

AnalyticsEnterprise SoftwareInformation TechnologyInternet

Deterministic Digital Operations

Davis, United States
May 2022
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

ChemicalChemical EngineeringIndustrial ManufacturingManufacturing

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

Knoxville, United States
May 2026
Series B

Founder Contacts

19,000+ verified contacts

ChemicalEnergy StorageFuel CellIndustrial

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

Chicago, United States
May 2026
$4.5M
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)LogisticsMachine LearningMilitarySoftwareSupply Chain Management

FR8relay is transforming supply-chain and logistics using relay and AI

Bentonville, United States
May 2026
Grant

Founder Contacts

19,000+ verified contacts

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

BiotechnologyChemicalIndustrialManufacturing

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

San Leandro, United States
May 2026
Grant

Founder Contacts

19,000+ verified contacts

Building MaterialCleanTechConstructionIndustrial Engineering

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

Golden, United States
May 2026
$82.0M
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

EnergyNanotechnologySemiconductor

Nelumbo is Providing radical, lasting technological improvements to the heating and cooling industry.

Menlo Park, United States
May 2024
Grant

Founder Contacts

19,000+ verified contacts

Building MaterialCleanTechEnergyRenewable Energy

Sublime Systems develops technology to decarbonize cement-making.

Somerville, United States
May 2025
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

Carbon CaptureEnvironmental EngineeringRenewable EnergySustainability

Carbon America transforms the carbon capture and sequestration industry by lowering costs and increasing deployment.

Arvada, United States
May 2023
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

Showing 26-50 of 434 portfolio companies

Frequently Asked Questions About US Department of Energy

How many companies has US Department of Energy invested in?

US Department of Energy has invested in 434 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does US Department of Energy invest in?

US Department of Energy's top investment sectors include Manufacturing, Energy, Renewable Energy, CleanTech, Energy Storage. The firm invests across 51 different industry categories.

What is US Department of Energy's largest investment?

Among tracked funding rounds, Terra CO2 Technologies received $82.0M in a Venture - Series Unknown round. US Department of Energy's total known invested capital is $17.3B.

What is the average investment size for US Department of Energy?

US Department of Energy's average investment size is $74.7M across its portfolio of 434 companies.

What are US Department of Energy's most recent investments?

Recent US Department of Energy portfolio additions include EnPower, Wildlife Imaging Systems, Wright Electric, Planted, AtmosZero. These companies were founded in 2020 or later.

Explore Other Top Investors

Discover portfolio companies of other leading venture capital firms and investors.

View All Investors