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US Department of Energy — Portfolio, Page 10

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

629
Companies
$65.5B
Total invested
$130.5M
Avg. check
50
Industries
Manufacturing 9Energy 8Renewable Energy 6Clean Energy 4Advanced Materials 4Power Grid 3+44 more
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Portfolio companies

Showing 217240 of 629
Magnefy
August 2025

AIoT Predictive Monitoring for Power Infrastructure

Artificial Intelligence (AI) · Stanford$1.5M Pre-Seed
Terrestrial Energy
July 2025

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

Clean Energy · Oakville$25.8M Venture - Series Unknown
Gross-Wen Technologies
June 2025

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

Biotechnology · Slater$1.0M Venture - Series Unknown
Realta Fusion
May 2025

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

Energy · Madison$36.0M Series A
MOLG
May 2025

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

Industrial Automation · Sterling$4.5M Venture - Series Unknown
InventWood
April 2025

InventWood develops cellulose-based materials for environmental.

Biotechnology · College Park$15.0M Series A
Queens Carbon
April 2025

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

B2B · Pine Brook$10.0M Seed
OnePlanet Solar Recycling
April 2025

Recycler focused on solar-PV systems.

Precious Metals · Jacksonville$7.0M Seed
Equiwatt
April 2025

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

Artificial Intelligence (AI) · Newcastle Upon Tyne$922K Venture - Series Unknown
Mitra Chem
March 2025

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

Battery · Mountain View$15.6M Series B
Capture6
March 2025

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

Carbon Capture · Berkeley$27.5M Series A
Tandem PV
March 2025

Tandem PV provides a unique opportunity for solar to reach new heights.

Energy · San Jose$50.0M Series A
Resonant Link
January 2025

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

Advanced Materials · South Burlington$3.4M Series A
Mattiq
December 2024

Mattiq provides a sustainable materials design and development company.

Chemical · Skokie$4.5M Venture - Series Unknown
Jolt Energy
December 2024

Jolt Energy develops and engineers industry-changing, sustainable energy-storage technologies.

Energy · Holland$4.0M Series A
Lkril Technologies
December 2024

Lkril Technologies catalyzes sustainability in chemical processes through sales of acrylics.

Advanced Materials · Chicago$2.9M Seed
ConnectDER
December 2024

ConnectDER is a solar technology company developing meter collars to connect distributed energy resources to the home and the grid.

Electrical Distribution · Philadelphia$35.0M Series D
RedoxBlox
October 2024

RedoxBlox develops thermochemical energy storage for decarbonizing industrial processes.

Energy · San Diego$30.0M Series A
Algenesis
October 2024

Algenesis is a material science and technology company that helps the planet recover from the pollution by-products made from fossil fuels.

Advanced Materials · San Diego$3.0M Venture - Series Unknown
Sironix Renewables
October 2024

Sironix Renewables is a seed-stage company that develops environmentally friendly and safe chemicals.

Energy · Seattle$3.0M Venture - Series Unknown
Ionomr
October 2024

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

Advanced Materials · VancouverVenture - Series Unknown
Verdagy
October 2024

Verdagy enables the large-scale production of green hydrogen by innovating water electrolysis technology.

Energy · Moss LandingVenture - Series Unknown
24M Technologies
September 2024

24M Technologies develops energy storage systems for grid and transportation applications.

Battery · Cambridge$87.0M Series H
Re:Build
August 2024

Re:Build is an industrial manufacturing company that integrates advanced technologies with traditional manufacturing processes‚Äã.

Industrial · Framingham$120.0M Venture - Series Unknown

Where US Department of Energy invests

Manufacturing9
Energy8
Renewable Energy6
Clean Energy4
Advanced Materials4
Power Grid3

About US Department of Energy's portfolio

How many companies has US Department of Energy invested in?

US Department of Energy has invested in 629 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, Clean Energy, Advanced Materials. The firm invests across 50 different industry categories.

What is US Department of Energy's largest investment?

Among tracked funding rounds, Re:Build received $120.0M in a Venture - Series Unknown round. US Department of Energy's total known invested capital is $65.5B.

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

US Department of Energy's average investment size is $130.5M across its portfolio of 629 companies.

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

Recent US Department of Energy portfolio additions include Magnefy, Terrestrial Energy, Gross-Wen Technologies, Realta Fusion, MOLG. These companies were founded in 2020 or later.

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