Chocalán
66/13.5 kV, 20 MVA Chocalán Electrical Substation extension
In 66 kV bay, bus bar extension, and 66/13.5 kV 20 MVA transformer replacement. Electrical works in 13.8 kV: switchgear bay extension, feeder relocation and new feeder bays 3 and 4. Complementary work related to electrical room, and connection of new auxiliary transformer.