Radiant
Last verified 2026-06-14. JSON
The funding figures on this page are attributed, not sourced: a publisher is on record but no document URL is. How we mark provenance.
| Total raised | $518.0Mattributed |
|---|---|
| Latest round | series-d+, $300.0M, 2025-12-01attributed |
| Founded | 2020 |
| Headquarters | El Segundo, United States |
| Industry | climate |
| Stage | series-b+ |
| Website | radiantnuclear.com |
Radiant builds the Kaleidos portable 1-megawatt high-temperature gas-cooled micro-reactor for off-grid and forward-deployed applications. Customers are military bases, mining operators, and emergency-response teams needing transportable carbon-free power. The reactor is designed for shipping-container transport and rapid setup.
Funding rounds
| Date | Round | Amount | Lead |
|---|---|---|---|
| 2025-12-01 | series-d+ | $300.0M | undisclosed |
Detected tech stack
cloudflare, cloudflare browser insights, gridsome 0.7.23, gsap, http/3, jquery, vue 2.6.14, vue.js 2.6.14, web-vitals
Provenance
| Fact | Status | Basis |
|---|---|---|
| Series D+, $300.0M | attributed | crunchbase named as publisher. No document URL on file. |
| Total raised $518.0M | attributed | crunchbase named as publisher. No document URL on file. |
| Company existence | self-reported | radiantnuclear.com, read 2026-06-14 |
| Description | self-reported | radiantnuclear.com, read 2026-06-14 |
Nothing on this page is sourced yet. A sourced fact links to a document that states it.
Change history
No change recorded since records began on 2026-09-24.