HTR-PM first reactor connects to grid, world's first Gen-IV pebble-bed reactor to generate power

China Huaneng Group/HTR-PM (Shidao Bay)

First reactor of the Shidao Bay HTR-PM plant connected to the grid on December 20, 2021, making it the world's first Gen-IV pebble-bed reactor to generate electricity. The second reactor achieved first criticality in November and was undergoing testing.

• First reactor achieved criticality in September 2021, second in November
• Operating permit granted August 2021
• Two 250 MWt modules share a single 210 MWe turbine
• Passive cooling eliminates meltdown risk