Decay heat

Heat in a nuclear reactor produced after the reactor has been shut down, due to the decay of radioactive fission products. In the first seconds following a shut-down, the decay heat is still about 5 per cent of the output before shut-down.

On April 25th, 2017 the operating duties and responsibilities for the Morsleben repository were transferred to the BGE, the Federal Company for Radioactive Waste Disposal. Therefore this archival page of the Federal Office for Radiation Protection has not been updated since April 24th, 2017. You find current information about the Morsleben repository at www.bge.de/en/morsleben