High Quality Content by WIKIPEDIA articles! Gen4 Energy, Inc (formerly Hyperion Power Generation, Inc.) is a privately held corporation formed to construct and sell several designs of relatively small (70 MW thermal, 25 MW electric) nuclear reactors, which they claim will be modular, inexpensive, inherently safe, and proliferation-resistant. According to news coverage, these reactors could be used for heat generation, production of electricity, and other purposes, including desalinization.