On October 13, 2020, the U.S. Department of Energy (DOE) awarded X-energy and TerraPower $80M each for their respective initiatives to build advanced nuclear reactors.

The proposals were evaluated under the Advanced Reactor Demonstration Program (ARDP), a new endeavor in the Office of Nuclear Energy. According to Dr. Rita Baranwal, the Assistant Secretary for Nuclear

NASA iTech and the U.S. Department of Energy’s Advanced Research Projects Agency-Energy (ARPA-E) are collaborating on a unique competition to identify transformational energy technologies that can address critical problems here on Earth that also hold great potential to solve critical technology challenges in future space exploration.  On that list: fission reactors.

NASA and