Power Generation
Fuel assemblies are loaded into a nuclear reactor where nuclear
fission produces energy. The energy released is used to create
steam which drives turbines and, connected to generators, produce
electricity. After several years' operation, the fuel assemblies
become less efficient and have to be replaced. The assemblies are
now classified as "spent fuel" and after unload from the reactor,
they are placed into ponds until they are ready to be transported
for storage or reprocessing. Transported by road, rail and sea to
the reprocessing sites, mainly based in France and the United
Kingdom, they are shipped in robust containers complying with the
strict international regulations.