Valar Atomics
The New Atomic Age
El Segundo, United States · Founded 2023 · $1.7B raised
- Headquarters
- El Segundo, California
- Employees
- 11–50
- Founded
- 2023
- Business Model
- B2B
- Website
- valaratomics.com
- Total Funding
- $1.7B
- Last Round
- $1.0B Series BAug 2026
- Rounds
- 5
About
Valar Atomics is a nuclear energy startup founded in 2023 by Isaiah Taylor, building hundreds of reactors at one Gigasite for heavy industrial power and clean fuel production. The company became the first startup in history to achieve nuclear criticality with its Nova Core in November 2025, and is pursuing power operations by July 4, 2026 with its Ward250 reactor — a Gen IV design approved by the DOE. Valar Atomics vertically integrates the design, construction, and operation of nuclear reactors with the goal of creating abundant, cheap energy from atomic power for industry and clean fuel synthesis.
Summary
Valar Atomics is a Climate Tech company based in El Segundo, United States, founded in 2023. It has raised $1.7B in total across 5 rounds, most recently a $1.0B Series B round in Aug 2026. Investors include Day One Ventures, Riot Ventures and Sequoia Capital.
Tech & App Stack
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Funding History
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Aug 2026
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Investors
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