The need for nuclear power plant lies in the fact the hunger for electricity increases day by day. The depletion of fossil fuels such as coil, oil and gas lead to seek for some alternate power source and nuclear power is the only power source that can meet the future electricity demands in the future.
Therefore this is the reason in spite of the fear of nuclear accidents new plants are commissioning at faster pace. State of art technology is implemented in nuclear plants around the world and lot of focus was made on the safety of the nuclear plants.