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Valar Atomics
Valar Atomics

Valar Atomics

Valar Atomics develops standardized high-temperature gas-cooled nuclear reactors for industrial power and clean fuel production.

Operating headquarters
El Segundo, CA, US🇺🇸
Founded
2023
Overview
Analysis
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Valar Atomics is a private American nuclear energy company that designs and builds standardized high-temperature gas-cooled reactors using TRISO fuel, graphite moderation, and helium cooling. Rather than selling reactors, it plans to operate hundreds of them on integrated gigasite campuses, vertically integrating design, construction, operation, and fuel production. Its outputs are grid-independent products: hydrogen, data-center power, heavy industrial power, and clean hydrocarbon fuels.

The company's Ward 250 test reactor, built under Department of Energy authorization at the San Rafael Energy Research Center in Utah, achieved zero-power criticality and later generated electricity that powered an NVIDIA system. Valar was selected for the DOE Reactor Pilot Program and the Advanced Nuclear Fuel Line Pilot Program, and it has announced a collaboration with NVIDIA on a waterless 30 MW AI factory.

Valar Atomics - Products & Services

  • Data Center Power logo

    Data Center Power

    Grid-independent electric power for data centers from clusters of Valar Atomics reactors at gigasite campuses.

    Competing Products

    Aalo Atomics logo
  • Clean Hydrocarbon Fuels logo

    Clean Hydrocarbon Fuels

    Synthetic hydrocarbon fuels from nuclear-produced hydrogen and captured carbon dioxide via a modified Fischer-Tropsch process.

  • Industrial Power logo

    Industrial Power

    Behind-the-meter electric power and process heat for heavy industry at Valar Atomics' planned gigasite campuses.

  • Hydrogen Production logo

    Hydrogen Production

    Hydrogen production powered by Valar Atomics' high-temperature gas-cooled reactors using a sulfur-iodine cycle.

  • Ward 250 logo

    Ward 250

    High-temperature gas-cooled test reactor built by Valar Atomics under the U.S. DOE Reactor Pilot Program.

Valar Atomics - Similar Companies

Aalo Atomics logo

Aalo Atomics

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Joulent logo

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Atoms logo

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Actinide logo

Actinide

actinideinc.com

Commonwealth Fusion Systems logo

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Voxel Energy logo

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Cowboy Space logo

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TerraPower logo

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Radiant logo

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NuScale Power logo

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Vertical Semiconductor logo

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Valar Atomics - Quick Facts

Who are Valar Atomics' competitors?

Companies similar to Valar Atomics include Aalo Atomics, Apollo Atomics, Antares and Joulent.

When was Valar Atomics founded?

Valar Atomics was founded in 2023.

Where is Valar Atomics' headquarters located?

Valar Atomics' headquarters is located in El Segundo, CA, US.

When was Valar Atomics' last funding round?

Valar Atomics' most recent funding round was for $1B (USD) in August 2026.

How much has Valar Atomics raised to-date?

As of Aug 4, 2026, Valar Atomics has raised a total of $1B (USD).

Valar Atomics - Classification

Ownership
  • Venture-backed private company
Model
  • Hardware Manufacturer
Revenue
  • Product Sales
Customer
  • Industrial