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Apollo Atomics Raises $31 Million to Scale Factory‑Built Compact PWRs

The seed funding will pay for a 1 MW commercial demonstrator, long-duration reliability testing and intensified NRC engagement to move truck‑transportable reactors toward commercial approval.

Overview

  • Apollo announced the oversubscribed seed round on Thursday and said the $31 million will finance construction of the A-1 one‑megawatt demonstrator, expanded testing and in‑house manufacturing capacity.
  • The company says it shrank the conventional steam generator into a compact, factory‑manufacturable steam system that raises power density and lets reactors be truck‑transported and deployed in under 24 months.
  • Apollo reports more than 20 gigawatts of signed letters of intent and is developing a product family (A-10, A-50, A-300) aimed at data centers, industrial users and utilities.
  • The startup submitted a regulatory engagement plan to the U.S. Nuclear Regulatory Commission and is seeking NRC authorization for its chosen fuel configuration by the end of 2026, a timeline the company describes as aggressive.
  • Those technical and commercial claims rest on an MIT 40 kW demonstrator and company projections for costs and build times, so independent regulatory review, long‑duration testing and scaled manufacturing will determine whether the targets are met.