Secondary sectorPer type - years 2015 and 2016 - in giga watt/hour. Type 2015 2016 Imported 1,655 1,470 Hidraulic 41,464 38,012 Nuclear 6,519 7,677 Thermal 86,625 90,349 Eolic + solar 608 561 TOTAL 136,871 138,069 Source: CAMMESA, 2016