[en] The nuclear power plant of the water-cooled and moderated type is described. The characteristic feature of the invention lies in the fact that the pressurizer injection pupeline is coupled with the reactor. The injection pipeline coupling with the reactor is performed over the reactor outlet pipelines. The given technical solution under all operating conditions of the reactor in power ensures the injection into the pressurizer steam volume at the temperature proximate to that at the reactor outlet. On the while the technical solution improves the the nuclear power plant reliability