Work for the initial stage of the new South Wellington Substation which includes 138/25 kV Jones-type station configuration with two 138 kV circuit breakers and a 138 kV bus tie with a motorized disconnect switch, two 138 kV transmission line terminals (tapping off from 1L138 and 1L109), two outdoor 3PH 60 Hz 45/60/75 MVA 138/25 kV power transformers, one 25kV feeder section equipped with transfer bus with five 25 kV feeders and one bus tie.

Work started in December 2013 and Completed in October 2014