A 1962 film about the US effort to develop natural-uranium heavy water power reactors By Dr. Nick Touran, Ph.D., P.E., 2025-02-10, Reading time: 18 minutes In 1956, the US Atomic Energy Commission commissioned a study on the development of heavy-water moderated natural uranium fueled power reactors with the objective of producing low-cost commercial electricity. Since these reactors do not require any enrichment, it was thought that they could be cost competitive with fossil fuel power plants...