Generation II nuclear reactor vessel sizes of similar power output:
PWR: typical Westinghouse 4 loop reactor pressure vessel (3411MWt, 1125MWe).
CANDU: Darlington reactor calandria (2657MWt, 935MWe).
BWR-4 reactor pressure vessel (3293MWt, 1098MWe).
RBMK-1000 reactor steel vessel, biological shields, and water tank (3200MWt, 1000MWe).
AGR: Hinkley Point B reactor pressure vessel (1623MWt, 660MWe).