Terrestrial Energy | 21,249 followers on LinkedIn. Carbon-Free Energy for Global Industry | Terrestrial Energy is a developer of Generation IV nuclear plants that use its proprietary Integral Molten Salt Reactor (IMSR) technology. IMSR technology captures the full transformative operating benefits of molten salt reactor technology in a plant design that represents true innovation in cost reduction, versatility and functionality of nuclear energy supply. IMSR plants will supply zero-carbon, reliable, dispatchable, low-cost high-temperature industrial heat and electricity for a dual-use energy role relevant to many industrial applications, such as chemical synthesis and desalination.