Sub-Transmission & Substations
Engineering capability from 11 kV through 132 kV.
Sub-transmission lines, overhead systems, substations and related high-voltage infrastructure.

Current Isidingo website photography
Lines
11–132 kV Lines
Published capability for design and construction of electrical lines from 11 kV to 132 kV.
Substations
Up to 132 kV
Substation construction up to 132 kV.
Regulation
Automatic Voltage Regulators
Installation and maintenance of automatic voltage regulators.
Switching
Sectionalisers & CT / VT
Installation and maintenance of sectionalisers and current/voltage transformers.