# Radiant

**Source:** https://www.startuphub.ai/startups/radiant-nuclear
**Profile type:** Startup

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

## About

Radiant develops and deploys Kaleidos, a portable nuclear microreactor designed to replace diesel generators. This compact, mass-producible unit provides clean electricity and heat for remote villages, hospitals, datacenters, and military installations, offering resilient power with zero on-site water use and a 20-year product lifetime. Kaleidos can be delivered by truck or aircraft and is refueled off-site, eliminating nuclear waste at the customer's location.

## Key facts

- **Slug:** radiant-nuclear
- **Website:** https://www.radiantnuclear.com
- **Location:** El Segundo, United States
- **Founded:** 2020
- **Employees:** 384
- **Operating status:** Active
- **Total funding:** $518M
- **Sectors / tags:** Nuclear Energy, Defense, Clean Energy, Manufacturing, Energy Technology, Nuclear Power, Small Modular Reactor, Energy Storage, Advanced Manufacturing, Defense Tech, Climate Tech
- **Social:**
  - LinkedIn: https://www.linkedin.com/company/deployradiant

## Frequently asked

### What does Radiant do?

Radiant develops and deploys Kaleidos, a portable nuclear microreactor designed to replace diesel generators. This compact, mass-producible unit provides clean electricity and heat for remote villages, hospitals, datacenters, and military installations, offering resilient power with zero on-site water use and a 20-year product lifetime. Kaleidos can be delivered by truck or aircraft and is refueled off-site, eliminating nuclear waste at the customer's location.

### What is Radiant's valuation?

StartupHub estimates Radiant's effective valuation at $1.9B (range $1.3B to $3.1B, 22% confidence), based on comparable companies in the sector.

### How much funding has Radiant raised?

Radiant has raised a total of $518M in funding. The most recent round on record is Series D.

### Where is Radiant headquartered?

Radiant is headquartered in El Segundo, United States.

### When was Radiant founded?

Radiant was founded in 2020.

### What industry does Radiant operate in?

Radiant operates in Nuclear Energy, Defense, Clean Energy, Manufacturing, Energy Technology, Nuclear Power.

### How many employees does Radiant have?

Radiant has approximately 384 people on record.

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