Radiant
Developer of portable nuclear microreactors for resilient, mission-critical power.
The Company
Radiant develops portable microreactors intended to provide resilient clean power where conventional infrastructure is constrained. The company is pursuing a manufacturing-led path to nuclear deployment.
Radiant announced more than $300 million in Series D financing in December 2025 to scale production. It did not disclose a valuation.
Why It Matters
Radiant is a private bet on compact nuclear power for resilience-sensitive customers. Licensing and first commercial deployments are the decisive milestones.
Valuation History
- Raised $300M · valuation undisclosed→Dec 2025Series DSource ↗
What Changed
Profile reviewed against available public information.
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