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US Department of Energy — Portfolio

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

634
Companies
$46.0B
Total invested
$90.2M
Avg. check
46
Industries
Energy 11Renewable Energy 8Biotechnology 4Clean Energy 4Advanced Materials 3Information Technology 2+40 more
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Portfolio companies

Showing 1–24 of 634
Niron Magnetics
September 2026

Niron Magnetics specializes in producing high-performance, rare-earth-free permanent magnets utilizing Iron Nitride technology.

Automotive · Minneapolis$10.0M Corporate Round
Xcimer Energy
September 2026

Xcimer Energy is an inertial fusion company offering laser-driven fusion to provide cheap, abundant, and carbon-free energy.

Energy · Denver$100.0M Venture - Series Unknown
NanoSieve
September 2025

Disruptive gas safety technology to remediate flammable & toxic gases in utilities, energy, oil&gas, maritime, C&I, and transportation

CleanTech · Miami Beach$100K Grant
NLM Photonics
September 2026

NLM Photonics is a semiconductor techn. company developing cutting-edge electro-optic modulation techn. for networking/computing/sensing.

Electronics · SeattleSeries A
CorePower Magnetics
September 2026

CorePower Magnetics’ patented combination of advanced manufacturing processes and novel materials increases electric vehicle ranges.

Advanced Materials · Pittsburgh$10.6M Seed
6K
September 2024

6K develops materials into products for the manufacturing, renewable energy, aerospace, and consumer electronics industries.

Biotechnology · North Andover$82.0M Series E
NeoVolta
September 2026

NeoVolta is a developer of smart residential energy storage solutions.

Computer · Poway$20.0M Post-IPO Debt
Blue Biofuels
September 2024

Blue Biofuels is a technology company that specializes in renewable energy, biofuels, and new technologies sectors

Biofuel · Palm Beach Gardens$1.1M Grant
Marathon Fusion
September 2026

Marathon Fusion designs, engineers and scales next-generation technologies to enable the deployment of fusion power plants.

San Francisco$3.6M Grant
Protein Evolution
September 2026

Protein Evolution is a biotech company ushering in a new era of sustainable and circular plastics.

Biotechnology · New Haven$3.0M Grant
Maine Ocean Farms
September 2024

Maine Ocean Farms sustainably grows premium oysters, honoring coastal heritage and nurturing a strong ocean connection.

Aquaculture · Freeport$1.0M Grant
Accelerate Wind
September 2025

Accelerate Wind provides wind energy generation for the commercial and industrial spaces.

Energy · St LouisSeed
Zap Energy
September 2024

Zap Energy is developing compact fusion power that doesn't require magnets or lasers.

Clean Energy · Everett$130.0M Series D
Verinomics
September 2026

Verinomics is a consultancy that offers data analysis, genomic and computational services for product development and trait discovery.

Analytics · New Haven$2.7M Venture - Series Unknown
Sunwealth Power
September 2025

Sunwealth Power is a renewable energy investment firm that manages and finances solar and storage installations.

Clean Energy · Cambridge$20.0M Debt Financing
Realta Fusion
September 2026

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

Energy · Madison$9.5M Corporate Round
Quaise Energy
September 2026

Quaise Energy is a geothermal energy company that develops drilling technology to access deep geothermal energy.

Clean Energy · Houston$25.0M Grant
Bluestem Biosciences
September 2026

Bluestem Biosciences is building tomorrow's renewable chemicals, from organisms, not oil

AgTech · Omaha$200K Grant
Sunnova
September 2023

Sunnova is an Energy as a Service (EaaS) company that offers residential solar power and energy storage solutions.

Clean Energy · Houston$400.0M Post-IPO Debt
Orbital Composites
September 2023

Orbital Composites specializes in the fields of 3D printing, Composites, robotics automation, and carbon fiber.

3D Printing · Campbell$2.0M Grant
Manta Biofuel
September 2023

Manta Biofuel produces cost-effective renewable fuel oil from algae.

Agriculture · Owings Mills$531K Equity Crowdfunding
Blue Whale Materials
September 2024

Blue Whale Materials is an li-ion recycling solution.

Recycling · Washington$55.0M Grant
NanoGraf Corporation
September 2024

NanoGraf is a battery development company researching ways to improve battery life and charging time.

Advanced Materials · Chicago$60.0M Grant
South32 Hermosa
September 2024

South32's Hermosa project is the only advanced mine development project in the United States.

Mining · Patagonia$166.0M Grant

Where US Department of Energy invests

Energy11
Renewable Energy8
Biotechnology4
Clean Energy4
Advanced Materials3
Information Technology2

About US Department of Energy's portfolio

How many companies has US Department of Energy invested in?▸

US Department of Energy has invested in 634 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 Energy, Renewable Energy, Biotechnology, Clean Energy, Advanced Materials. The firm invests across 46 different industry categories.

What is US Department of Energy's largest investment?▸

Among tracked funding rounds, Sunnova received $400.0M in a Post-IPO Debt round. US Department of Energy's total known invested capital is $46.0B.

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

US Department of Energy's average investment size is $90.2M across its portfolio of 634 companies.

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

Recent US Department of Energy portfolio additions include Niron Magnetics, Xcimer Energy, NanoSieve, NLM Photonics, CorePower Magnetics. These companies were founded in 2020 or later.

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