The Natrium® reactor and energy storage system redefines what nuclear technology can be: emissions-free, competitive and flexible. Built for the 21st century grid, TerraPower's Natrium technology is one of the fastest and lowest-cost paths to advanced, zero-carbon energy.

A sodium-cooled fast reactor is a fast neutron reactor cooled by liquid sodium. The initials SFR in particular refer to two Generation IV reactor proposals, one based on existing liquid metal cooled reactor (LMFR) technology using mixed oxide fuel (MOX), and one based on the metal-fueled integral fast reactor .

Jan 31, 2025 · The Natrium reactor is centered around a 345 MW sodium-cooled fast reactor, a innovative design within the realm of Generation IV nuclear technology. Its use of liquid sodium as a coolant is ...

Dec 18, 2024 · The proposed Natrium reactor is a 345 MWe pool type sodium fast reactor using HALEU metal fuel. For more information, please see the Natrium pre-application documents (NRC Docket 99902100). Additional TerraPower documents can be found at NRC Docket 99902087.

Unlike today’s Light Water Reactors (LWR), the Natrium reactor is a 345-megawatt sodium fast reactor coupled with TerraPower’s breakthrough innovation—a molten salt integrated energy storage system, providing built-in gigawatt-scale energy storage. The Natrium reactor maintains constant thermal power at all times, maximizing

Jun 13, 2024 · Bill Gates’ nuclear innovation firm TerraPower has broken ground on the non-nuclear portion of Kemmerer Unit 1, a 345-MW Natrium sodium-cooled fast reactor (SFR) power plant.

What is the Natrium Reactor and IES? • Integral Sodium Fast Reactor • Distributed Nuclear Facility Layout • Advanced once-through fuel system • GW-hr scale Thermal Energy Storage • Decoupled Energy Island leveraged from Concentrated Solar Plant industry. Integrating with renewables • Zero emission dispatchable resource • Price ...

Jun 13, 2024 · The Natrium reactor, unlike current Light Water reactors, is a 345-megawatt sodium fast reactor. It includes a new technology from TerraPower: a molten salt energy storage system.

The 345 MWe sodium-cooled fast reactor with a molten salt-based energy storage system - which can boost the system's output to 500 MW of power when needed, allowing it to integrate seamlessly with renewable resources - is being built near a retiring coal-fired plant.

Nov 16, 2021 · Natrium will be the first commercial reactor ever in the state of Wyoming and one of the first advanced reactors to operate in the United States, expanding the state’s already impressive energy portfolio.