Browse Energy Investors in the United States

Active investors with offices in United States — sourced from recent funding rounds.

Every investor on the site in one downloadable file · CSV + Excel

26 Fund

Pre-Seed Seed

MIT's first student-run VC fund, writing $25K-$100K pre-seed and seed checks backed by a global community of founder-operators.

Cambridge
Biotech · Healthcare +15
Early Stage · Generalist

3M Ventures

Seed Series A Series B

Corporate venturing team driving innovation through investment

Saint Paul
Aerospace · AR/VR +11
Corporate VC · Consumer

500 Global

Pre-Seed Seed Series A

Silicon Valley-based global VC formerly known as 500 Startups, backing pre-seed to growth tech founders across 80+ countries with $2.3B in AUM since 2010.

San Francisco
AI/ML · SaaS/Software +14
Global VC · Multi-Stage

8090 Industries

Seed Series A Series B

Leading the next industrial revolution with breakthrough technologies

New York · Dallas +3
Industrial Revolution · Industrial Decarbonization +10
Industrial Revolution · Industrial

Activate Capital

Series B Series C Series D

Growth-stage VC backing sustainable energy and industrial tech

San Francisco
Energy · Infrastructure +3
Growth Stage · Thesis-Driven

Aina Climate AI Ventures

Pre-Seed Seed

Early-stage fund and startup studio leveraging AI for climate impact

San Francisco
Climate Technology & Artificial Intelligence · Climate Tech +3
Climate-Focused · AI-Focused

Alumni Ventures

Pre-Seed Seed Series A

America's largest VC firm for individual investors.

New York · Boston +5
AI/ML · Deep Tech +25
Network-Driven · AI/ML

Amadeus Capital Partners

Seed Series A Series B

Deep tech venture capital backing trailblazers solving hard problems

Oxford · Cambridge +3
DeepTech · Intelligence +18
DeepTech · Climate

Amazon's Climate Pledge Fund

Seed Series A Series B

Amazon's $2B corporate VC fund investing globally in climate tech across energy, transport, manufacturing, agriculture, and carbon removal.

Seattle
ClimateTech · CleanTech +7
Corporate VC · Multi-Stage

America's Frontier Fund

Seed Series A Series B

Nonprofit deep-tech fund aligning private capital with U.S. national-security priorities in foundational, hard-to-access technology domains.

Arlington
Compute · Semiconductors +10
Thesis-Driven · Defense-Focused

Analog Ventures

Seed Series A

Early-stage VC leading first rounds in foundational industries

San Francisco · New York City
Healthcare · Financial Services +8
Thesis-Driven · Operator-Led

Antler

Pre-Seed Seed Series A

Early-stage VC backing founders from day zero to greatness

Singapore · London +23
B2B Software · Consumer Tech +13
Global VC · Most Active

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Aramco Ventures

Series A Series B Series C

Global corporate VC investing in energy tech

Dhahran · Palo Alto +8
Climate · Sustainability +15
Corporate VC · Multi-Stage

Asahi Kasei CVC

Seed Series A Series B

Corporate VC arm of Asahi Kasei investing globally across all stages in materials, homes, healthcare, IoT, energy, and sustainability startups.

Menlo Park · Boston +2
MedTech · BioTech +8
Corporate VC · Multi-Stage

Atypical Ventures

Pre-Seed Seed

Venture firm for technical founders building across atoms, bits, and cells

New York
Atoms & Bits & Cells · HighTech +9
Atoms & Bits & Cells · DeepTech

Aurelia Foundry

Pre-Seed Seed Series A

Deep tech space fund investing in satellite hardware, space infrastructure, microgravity manufacturing, and energy; backed by MIT Space Exploration Initiative.

Cambridge
SpaceTech · Hardware +6
Venture Studio · Thesis-Driven

Beyond Earth Ventures

Seed Series A

Early-stage VC investing in deep-tech for space and frontier industries

Wilmington
Deeptech · Spacetech +9
DeepTech · Space-Focused

Big Red Ventures (BRV)

Pre-Seed Seed

One of the oldest student-run VC funds, operated entirely by Cornell MBA students investing up to $25K in early-stage, industry-agnostic US startups.

New York
Agtech · Biotech +16
Sector-Agnostic · Early Stage

Bison Ventures

Seed Series A Series B

Investing in early-stage frontier tech for healthier people & planet

San Francisco
Frontier Tech · DeepTech +13
Early Stage · Frontier Tech

Borusan Ventures

Seed Series A

Standalone corporate VC of Turkish industrial group Borusan, backing early-stage mobility, supply chain, and energy-tech startups in US and Europe.

San Francisco
Mobility · Supply Chain +5
Corporate VC · Early Stage

Brainworks Ventures

Pre-Seed Seed Series A

AI-native venture fund investing in startups solving global challenges

San Francisco
AI Technologies · Trustworthy Intelligent Machines +14
AI-Focused · Global VC

Buff Gold Ventures

Pre-Seed Seed Series A

VC firm funding early-stage deep tech startups from CU Boulder

Boulder
DeepTech · Healthcare +5
University Spin-outs · DeepTech

Buoyant Ventures

Seed Series A

Early-stage venture fund investing in scalable digital solutions (software and simple hardware) for climate change mitigation and adaptation.

Chicago
Digital Climate Solutions · Software and Simple Hardware +9
Climate-Focused · Female-Owned

Capital Factory

Pre-Seed Seed Series A

Austin-based venture firm and Texas's most active early-stage investor since 2010, backing deep and frontier-tech founders others think too early.

Austin
DeepTech · Frontier Technology +9
Most Active · No Warm Intro

Showing 1–24 of 137 investors

This list has 137 investors. The complete database has every investor on the site.

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