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Apollo Atomics Raises Seed to Build 1 MW Factory‑Built Reactor Demonstrator

The cash aims to accelerate NRC engagement by funding a truck‑transportable 1‑megawatt demonstrator.

Overview

  • Apollo announced an oversubscribed seed round reported as $31 million on August 20, with one outlet saying $26 million including $5 million in debt, and said the funds will finance the A‑1 1 MW demonstrator, long‑duration tests, manufacturing scale‑up, and continued work with the U.S. Nuclear Regulatory Commission.
  • The company says a chosen fuel configuration has reached full‑power criticality and that it is seeking NRC authorization for commercial use of that configuration by the end of 2026.
  • Apollo’s core technical claim centers on a proprietary compact steam generator that it says raises power density about tenfold and shrinks the reactor footprint roughly 40 times, allowing key components to be factory‑built and truck‑transported for faster site deployment.
  • The product roadmap includes three factory‑built PWR variants (A‑10 at 10 MW, A‑50 at 50 MW, A‑300 at 300 MW) aimed at data centers, industry and utilities, with the company projecting commercial offerings by 2028 if tests and licensing proceed on schedule.
  • Independent verification of Apollo’s performance, cost and schedule claims remains outstanding, and the company will face standard PWR regulatory reviews and long‑duration reliability testing before customers see commercial units.