, these concepts have been used in several further research reactors, including  Peach Bottom,  AVR,  HTTR, and HTR-10 as well as for commercial reactors  Fort St. Vrain and THTR-300. The HTR-PM in China is under construction, with one unit at Shidao Bay connected to the grid as of December 2021.
These concepts have been implemented in various additional research reactors, including Peach Bottom, AVR, HTTR, HTR-10, and Fort St. Vrain as well as commercial reactors THTR-300. The HTR-PM in China is under construction, with one unit at Shidao Bay connected to the grid as of December 2021.