
Clean. Sustainable. Scalable.
About Meitner
Meitner Energy’s mission is to transform the global energy landscape by delivering clean, sustainable, and scalable nuclear solutions. We are committed to redefining how the world powers business and industry in order to lead the transition to a cleaner future.
The Reactor
ACR‑300
A small modular reactor engineered for grid‑scale impact from day one.
300 MWe Gen III+ SMR
Proven light‑water technology with targeted, execution‑driven innovation.
High Utilization
Consistent baseload power independent of weather or storage constraints.
Designed for Scale
The only SMR designed to be scalable and cost effective.
Smallest Form Factor
Lowest physical construction burden per megawatt among grid‑scale SMRs.
World‑Class Team
Based in Argentina, the USA, and the UK.