Company

Radiant Nuclear

Rocket Ship Rating

Rocket Ship Rating: 99 out of 100

Plug-and-play power for the physical world, providing customers full control over their energy costs.

Also known as Radiant, Radiant Industries

Clean energy & storage
Climate positive
Deeptech
Hardware

Status: Operatingas of 2026-09-17
Business model: B2B
Founded: 2020
Customers: commercial & government customers
Legal name: Radiant Industries

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Record updated 28 September 2026

About

Kaleidos is a 1 MW nuclear microreactor, transportable by land, sea, or air and deployed directly at customer sites.

Funding snapshot

Total raised: $488MSEC form D sum, as of 2026-09-28Source (opens in a new tab)
Latest round: Round, $269M2025-12-15

Funding rounds

Round, 2025: $269M2025-12-15, SEC form D sold, 40 investors
Round, 2025: $66M2025-02-13, SEC form D sold, 30 investors
Round, 2024: $100M2024-10-23, SEC form D sold, 27 investors
Round, 2023: $40.7M2023-04-04, SEC form D sold, 12 investors
Round, 2022: $12.6M2022-02-18, SEC form D sold, 34 investors

Products

Hardware: Kaleidos
Web: Kaleidos