Nuclear Reactor and Cherenkov Radiation/Effect. In Nuclear Fission Power Plants, civil electricity/energy is produced by the reactor ( usually, there is more than one per plant). A nuclear fission reactor is a type of nuclear reactor capable of managing a chain fission reaction in a controlled manner, starting from fissile material , in order to produce electricity from the heat released during fission. So ... This is what happens in nuclear power plants. In the reactor , the chain reaction is f