Sellafield Vitrification should ensure safe storage of waste in the UK for the middle to long term. Construction of the Sellafield MOX Plant (SMP) was completed in 1997, though justification for the operation of the plant was not achieved until October 2001. Mixed oxide, or MOX fuel, is a blend of plutonium and natural uranium or depleted uranium which behaves similarly (though not identically) to the enriched uranium feed for which most nuclear reactors were designed. MOX fuel is an alternative to low enriched uranium (LEU) fuel used in the light water reactors which predominate in nuclear power generation. MOX also
Embalse Nuclear Power Station taken offline, having completed its first operating cycle of about 30 years. On 1 September 2016, the plant received the last two of four steam generators, fundamental elements for the life extension of the plant. The plant is being reconditioned to deliver power for another 30 years: the replacement of the four steam generators is one of the key steps. Embalse Nuclear Power Station The Embalse Nuclear Power Station () is one of three operational nuclear power plants in Argentina. It is located on the southern shore of a reservoir on the Río Tercero, near the city of Embalse, Córdoba,