The complexity of the EPR model "including the level of power, the core catcher
and the redundancy of safety systems is certainly a handicap for its implementation and therefore its cost.
The third-generation ATMEA1 technology has advanced safety and security systems similar to those of the EPR: resistance to aircraft crashes and earthquakes, the latest-generation instrumentation & control, a core catcher
and three independent safety trains.
The core catcher
is the ultimate defense which would, without any human intervention, or need of external power supply, cool down the fuel and reactor.