Radiant

RadiantRadiant
Radiant

Radiant

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

DR 502020Active384El Segundo, United States
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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.
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.

HEADCOUNT
384
DOMAIN RATING
50
New entrants in Clean Energy
Last 90 days
4
New entrants
1.3
Per month
0.3
Per week

An entrant is a company tagged Clean Energy whose domain was first registered in the window, counted from registry records in the StartupHub directory. Registry detection runs two to three weeks behind registration, so recent weeks are a floor.

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