Top TerraPower Alternatives

Developing advanced nuclear reactor technology for clean energy.

T

TerraPower

Developing advanced nuclear reactor technology for clean energy.

$1.7B raised
Bellevue, Washington, USA
Clean Energy
Nuclear Energy
Advanced Materials

20 Similar Companies in Clean Energy

Ranked by total score and funding data on StartupHub.ai

Tesla
Tesla

Tesla

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Helion
Helion

Helion

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Fusion Power
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ArtIn Energy
ArtIn Energy

ArtIn Energy

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Radiant
Radiant

Radiant

Building the world's first mass-produced portable nuclear generators for anywhere power delivery.

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Zap Energy
Zap Energy

Zap Energy

Developing advanced fusion and fission nuclear energy technologies for carbon-free power.

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Barrell
Barrell

Barrell

Direct Lithium Extraction company focused on the Smackover Lithium Play.

Lithium
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ConnectDER
ConnectDER

ConnectDER

ConnectDER simplifies home electrification by enabling solar, EV charging, and battery storage without costly electrical panel upgrades.

Clean Energy
Climate Tech
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M

Membrane Technology & Research

Membrane technology for carbon capture, hydrogen, and natural gas.

Climate Tech
Carbon Capture
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B

Blue Energy

Taming nuclear power's cost problems by building reactors in shipyards.

Energy
Nuclear Energy
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Ayr Energy
Ayr Energy

Ayr Energy

Energy startup modernizing grid technology with iron-core transformers.

Energy
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pH7 Technologies
pH7 Technologies

pH7 Technologies

Critical metals processing company focused on recovering platinum group metals.

Mining
Materials
$48.6M
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C

Carbon Clean

Industrial carbon capture technology company offering modular CycloneCC systems that retrofit onto existing industrial emitters.

Climate Tech
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170 employees
A

Aepnus

Aepnus is an advanced chemistry startup.

Chemicals
Advanced Materials
Lightsource BP
Lightsource BP

Lightsource BP

Global leader in developing, financing, and operating utility-scale solar energy projects.

Solar Energy
Renewable Energy
$418.0M
London, United Kingdom
B

Budderfly

Energy-as-a-Service platform for businesses.

Energy
Cleantech
$1.2B
Shelton, Connecticut, USA
394 employees
Arc Boats
Arc Boats

Arc Boats

Electric boat manufacturer building high-performance all-electric watercraft with aerospace engineering.

Electric Vehicles
Marine
$155.0M
Los Angeles, United States
80 employees
Solugen
Solugen

Solugen

Green chemistry company producing bio-based chemicals from sugar using enzyme-catalyzed processes.

Green Chemistry
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Antares Industries
Antares Industries

Antares Industries

Advanced nuclear energy startup designing adaptable and scalable microreactors for defense and industrial use.

Nuclear Energy
Defense
$109.0M
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Carbon Engineering
Carbon Engineering

Carbon Engineering

Canadian climate solutions company developing direct air capture technology to remove CO2 from the atmosphere.

Climate Tech
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$68.0M
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Voltify Inc.
Voltify Inc.

Voltify Inc.

Voltify is electrifying the rail industry by retrofitting diesel locomotives with battery power and a smart microgrid charging network.

Rail Electrification
Clean Energy
$30.0M
Philadelphia, United States

About TerraPower and Alternatives

TerraPower is a Clean Energy company developing advanced nuclear reactor technology for clean energy.. If you're evaluating Clean Energy solutions, these 20 alternatives offer similar capabilities and market positioning. StartupHub.ai tracks funding, team composition, and competitive positioning across 11,000+ AI startups to help you make informed decisions. Browse each profile to compare founders, investors, and funding history.