CORDOBA, ARGENTINA--May 29, 2014--Researched by Industrial Info Resources Latin America (Cordoba, Argentina)--Hinisa Hidroeléctrica Los Nihuiles S.A. (Mendoza, Argentina), a subsidiary of Pampa Energia S.A. (Buenos Aires, Argentina), is performing maintenance on units 1 and 2 at the Los Reyunos Hydroelectric Power Plant.