CORDOBA, ARGENTINA--November 13, 2012--Researched by Industrial Info Latinoamerica (Córdoba, Argentina)--Centrales Nucleares Almaraz-Trillo (Madrid, Spain) has begun the 22nd refueling outage and general maintenance of Unit 1 at the Almaraz Nuclear Power Plant. The facility, located in the region of Extremadura, central Spain, is equipped with two 1,050-megawatt (MW) Siemens pressurized water reactors (PWR).