Apr 26, 2022 · A mbustion Engineering plant has two steam generators, four reactor olant pumps, and a pressurizer. The mbustion Engineering units in the United States are Arkansas 2, Calvert Cliffs 1 and 2, Fort Calhoun, Millstone 2, Palisades, Palo Verde 1, 2, and 3, San Onofre 2 and 3, Saint Lucie 1 and 2, and Waterford 3.