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How is chain reaction controlled in a nuclear power plant? Chain reaction is controlled through using neutron absorbing materials as reactor control rods (of high neutron absorbing material), boron, and/or cadmium.
Nuclear Plants. Nuclear plants use the fission process to generate the energy needed to produce electricity. In a nuclear plant, atoms of low-grade uranium are split apart. This creates the heat needed to create steam. The highly pressurized steam then travels through pipes to fan-like blades in a turbine.