Installation underway for world's first lead-cooled power reactor at Seversk

Rosatom/BREST-OD-300

Major equipment installation continued at the BREST-OD-300 site in Seversk, including the reactor base plate, lower containment tier, and critical components for the world's first demonstration of a lead-cooled power reactor.

• The 165-tonne reactor base plate and lower containment structure have been installed.
• Reactor uses a metal-concrete hybrid vessel design that must be assembled on-site.
• Installation of major equipment signals progress toward physical startup, originally planned for 2026.