Decommissioning generally results in the production of large amounts of material with low levels of radioactivity. ... The amount of radioactive waste involved can be reduced significantly through decontamination of the plant systems prior to their dismantling.

Why is decommissioning a nuclear power station important?

The removal of used nuclear fuel rods and equipment—which accounts for over 99 percent of the plant's radioactivity—lowers the radiation level in the facility and significantly reduces the potential exposure to workers during subsequent decommissioning operations. DECON can take five years or more.

What is meaning of decommissioning?

transitive verb. : to remove (something, such as a ship or a nuclear power plant) from service.