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The ambitious vision of bringing portable nuclear microreactors to the masses just got a significant financial boost. Radiant, the company developing the world’s first mass-produced units, has raised $465.0M to further its development.
Founded in 2020, Radiant is building Kaleidos, a 1 MW failsafe microreactor designed for transport to any location needing power. The company plans to test its first reactor in 2026, with initial customer deployments beginning in 2028.
Global nuclear capacity is projected to more than double by 2050, with investment in the nuclear value chain expected to reach $2.2tn. The renewed interest is being driven by net zero targets, electricity demand from data centres, and a sharper focus on energy security after recent supply shocks.
In the US, executive orders aim to expand nuclear capacity from 100GW to 400GW by 2050, with 10 new large reactors under construction by 2030. The start-up market is moving in parallel. Radiant has raised $465mn across two recent funding rounds for 1MW nuclear microreactors, while Germany’s Proxima Fusion has raised €200mn to build a stellarator coil by 2027. China is also investing heavily, with
Modu Tech
Modu Tech offers general contractors and individual owners alike with turnkey carpentry products by providing a one stop shop for framing labor, building materials and trusses. Since 1986, Modu Tech has specialized in multi-family apartments operating with our-in house partner Stark Truss Baltimore. We offer a complete and vertically integrated manufacturing and installation process. Our close relationship with the National Framers Council offers constant updates to changing market trends and other new industry-based information that keeps Modu Tech connected with other framers throughout the country while also providing an opportunity for us to share our knowledge back to the community through Webinars and regular meetings.
$4.4M Pre-seed
today
DIMENSION
A first-of-its-kind fund partnering with founders at the interface of technology and life sciences to transform the trajectory of life on earth
$1.6M Seed
today
Largest funding rounds in Energy on Signalbase right now.
| # | Company | Round | Amount | Date |
|---|---|---|---|---|
| 1 |  Sunrun United States | Unknown | $11.0B | 1y ago |
| 2 |  Aurora Energy Research United Kingdom | Unknown | €9.5B |
Companies that recently closed a Unknown round.
| # | Company | Round | Amount | Date |
|---|---|---|---|---|
| 1 |  duppla Colombia | Unknown | $60.0M | 10d ago |
| 2 |  Atomic One Spain | Unknown | $6.4M | 10d ago |
| 1y ago |
| 3 |  GB Energy United Kingdom | Unknown | ÂŁ8.3B | 2y ago |
| 4 |  Williams United States | Unknown | $5.3B | 24d ago |
| 5 |  Fuse Energy United Kingdom | Series b | $5.0B | 7mo ago |
| 3 |
 Walaw Canada |
| Unknown |
| $1.5M |
| 13d ago |
| 4 |  InvestiFi United States | Unknown | $20.0M | 13d ago |
| 5 |  Cashea | Unknown | $100.0M | 14d ago |
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