the kkm consists of a single boiling water reactor (bwr) of type 4 provided by general electric technical services company (getsco), a then subsidiary of general electric specialized in nuclear power plants. all the 240 assemblies contain uranium oxide rods. the pressurized vessel has a diameter of 4.04 m and is 19 m high, has a wall thickness of 10.2 cm and operates at 288 °c and 72 bar.