The preliminary analysis of an inherently safe nuclear power plant is presented. The system, based on the state-of-the-art technology of light water and gas-cooled nuclear power plants, features a multicavity prestressed concrete vessel, which houses a reduced boiling water reactor (BWR)-6 core and heat exchangers. Steam with a quality of 16. 5% at a pressure of 7. 24 MPa (1050 psia) at the core exit flows through steam generators and preheaters arranged symmetrically around the core.