Private company

Gen4 Energy

Logo: Gen4 Energy, Public domain, via Wikimedia Commons3

US company, 2012 to 2018

Gen4 Energy, Inc. (formerly Hyperion Power Generation, Inc.) was a privately held corporation formed to construct and sell several designs of relatively small (70 MW thermal, 25 MW electric) nuclear reactors, which they claimed would 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 desalination.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Gen4 Energy, Inc. (formerly Hyperion Power Generation, Inc.) was a privately held corporation formed to construct and sell several designs of relatively small (70 MW thermal, 25 MW electric) nuclear reactors, which they claimed would 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 desalination.2

Sources

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