Advanced Nuclear

Lead Cooled Fast Reactor

Lead-cooled fast reactors (LFRs) are next-generation nuclear systems that use molten lead as coolant, offering major safety advantages over sodium-cooled designs and ranking highest among Gen IV reactors for sustainability and security. With Russia’s BREST-OD-300 nearing completion and several international projects advancing, LFRs are poised to transform nuclear energy by the 2030s—if engineers can overcome the challenge of lead corrosion at high temperatures.

Sodium-cooled fast reactor

Sodium-Cooled Fast Reactors promise a leap in nuclear sustainability by maximizing fuel use and minimizing waste, thanks to their innovative use of liquid sodium coolant and closed fuel cycles. Despite their potential for safer, more efficient power, SFRs face hurdles from high costs and engineering challenges, but global efforts in Russia, India, and China are pushing the technology toward commercial reality.

Lightwater SMR

Light-water small modular reactors (LW-SMRs) promise safer, factory-built nuclear power using proven pressurized water technology, but their economic viability hinges on achieving large-scale deployment to drive down costs. With leading designs like Westinghouse AP300 and Rolls-Royce SMR vying for market share, the world watches to see if these compact reactors can deliver affordable, low-carbon energy by the early 2030s.

High-temperature gas-cooled reactor

High-Temperature Gas-cooled Reactors (HTGRs) have advanced over 75 years, offering robust safety, high efficiency, and unique industrial applications thanks to innovations like TRISO fuel and helium coolant. While recent international projects highlight their transformative potential for clean energy and decarbonization, HTGRs must still overcome challenges in fuel supply, regulation, and waste management to achieve widespread deployment.