Spain's first nuclear power plant Historical milestone · Almonacid de Zorita, La Alcarria, Guadalajara Image of Almonacid de Zorita, not of the place itself. The José Cabrera plant, known as Zorita, was built beside the Tajo between 1965 and 1968 and started up on 12 December 1968 as the first Spanish nuclear plant. It operated for thirty-eight years, until its definitive closure in 2006, and is being dismantled. 1968-2006 Photo: Mr. Tickle (CC BY 2.5) What to see and do in Almonacid de Zorita