Top Small Nuclear Reactor Companies in United States

Last Energy is focused on delivering small modular nuclear reactors, specifically the PWR-20, which is designed to be replicable, manufacturable, and deployable within two years. This approach aims to provide reliable, affordable, and decarbonized nuclear energy at scale, addressing the growing demand for zero-carbon energy sources.

The Westinghouse AP300™ Small Modular Reactor (SMR) is highlighted as a leading solution in the small nuclear reactor sector, emphasizing its advanced technology, efficient construction, and commitment to safety and reliability. With over 70 years of experience, Westinghouse positions the AP300 as a dependable and innovative option for clean energy generation.

X-energy specializes in the design and engineering of Generation IV high-temperature gas-cooled nuclear reactors, which align with the growing interest in advanced nuclear technologies. Their focus on safety and the development of commercial reactors underscores their commitment to providing innovative nuclear solutions.

The company is dedicated to advancing nuclear power through Small Modular Reactor (SMR) technology, having achieved significant milestones such as the first NRC design approval for an SMR and plans to operationalize the first SMR plant by 2030.

NANO Nuclear is developing advanced microreactors, including the "ZEUS," a solid core battery reactor, and the "ODIN," a low-pressure coolant reactor. These innovations aim to provide portable and on-demand nuclear energy solutions for various applications, including residential and commercial projects.

Nuclearn Inc is dedicated to enhancing the nuclear power industry through its machine learning platform, which automates common challenges faced by nuclear power plants. Their solutions are designed to be easily deployed, either on-premise or in the cloud, and are tailored specifically for the nuclear domain.

OPEN100 is focused on accelerating the deployment of nuclear energy, which is a key solution to climate change. They offer the world's first open-source template for nuclear plant deployment.

GE Hitachi Nuclear Energy (GEH) is a leading provider of advanced reactors, including the BWRX-300 small modular reactor, which is designed to significantly reduce construction and operating costs compared to traditional nuclear technologies. This innovation supports the company's commitment to delivering reliable, carbon-free power and enhancing reactor performance and safety.

The Naval Nuclear Laboratory, operated by Fluor Marine Propulsion, LLC, specializes in designing and ensuring the safety and reliability of naval nuclear reactors. They also provide comprehensive training for Sailors who operate these reactors, highlighting their expertise in nuclear propulsion systems.

Advanced Nuclear, part of the Irex Contracting Group, is dedicated to delivering high-quality services in specialty contracting, emphasizing innovation and safety. Their expertise and commitment to excellence make them a reliable partner for commercial and industrial customers.