Chocalán
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.
Casablanca
Single busbar arrangement of 66 kV. In 66 kV, 66/12 kV 30 MVA transformer installation, T1 coupler bay, T2 coupler bay, and new busbar. In 13.8 kV, T1 coupler bay, T2 coupler bay, and busbar extension in three areas, among other performed tasks.
El Totoral
Single busbar arrangement of 66 kV; construction of 66 kV switchgear bay and transformer installation of 66/12 kV, 15 MVA; 12 kV busbar extension; new bay with 12 kV feed. Next incoming work: complementary work related to electrical room.
Reñaca
Second electric wiring between TAP Reñaca and Reñaca Electrical Substation of 7.14 mi (11.5 km) of length, employing existing structures. Concón-Bosquemar 1×110 kV line modification. Complementary works of 110 kV switchgear bay Reñaca Electrical Substation, coupler bay in Reñaca Electrical Substation, electrical room, Bosquemar 110 kV Electrical Substation section 2 bus bar extension.
Cumbre
Extension of equipment pad, main bus bars and of every common facilities of 220 kV switchgear area of the Cumbre breaker-and-a-half substation configuration. Medium-voltage switchgear adjustment; adjustment of protective equipment; communication lines; SCADA (Supervisory Control and Data Acquisition system); civil engineering works; assembly; grounding electrode; and testing of new equipment; among other works.
Nueva Pan de Azúcar
220 kV Nueva Pan de Azúcar Electrical Substation switchgear extension by of addition of new control switch, medium-voltage switchgear adjustment; adjustment of protective equipment; communication lines; SCADA (Supervisory Control and Data Acquisition system); civil engineering works; assembly; grounding electrode; and testing of new equipment; among other works.
Maitencillo – Nueva Maitencillo
220 kV transmission line replacement Maitencillo– Nueva Maitencillo; equipments substitution; communication lines; SCADA (Supervisory Control and Data Acquisition system); teleprotection system; grounding electrode; civil engineering works; among other works.
Valdivia
Transformer installation of 220/23 kV, 60 MVA, with corresponding bays at both voltage levels; construction of 23 kV switchgear bay that consists of a busbar with 8 bays; channels for 23 kV underground feeders. Build of 66 kV switchgear of main and transfer bus arrangement, with five extra spaces for additional bays; 220/66 kV, 60 MVA transformer installation with corresponding bays at both voltage levels; and channel for 66 kV underground feeders.
Linares Norte
Single busbar arrangement of 66 kV. Bus bar extension in 154 kV bay; building of 1×154 kV line switchgear bay; transformer installation of 154/66 kV, 75 MVA; construction of bus section bays. Bus bar extension in 66 kV bay; construction of bus coupler bay; relocation of line switchgear bay, building of bus coupler bay. Complementary work such as increase in capacity of 1×66 kV line with a length of 1.44 miles (2.32 km) and replacement of conductor for a 60 MVA conductor; construction of electrical room.
Chile
Engineering, provision, and assembly of ERAG (Automatic Generation Reduction and Disconnection Scheme) TAP Loma Alta Ancoa, Pehuenche hydroelectric power station.
