Stratford Substation
North Island
Project Description
This project marks the second time Connell Contractors will have a horizontal directional drill (HDD) inside a live substation environment.
July 2019 Update
The transformer foundation has been completed. The plates shown below are pressure plates, whic will be located to suit the feet on the transformer and then welded onto the embedded plate system.
Three 25000L tanks have been installed for a new oil containment system. These will be connected into the new transformer and also existing transformers to enable us to de-commission the old oil tanks.

Technical Overview
This project involves the construction of a new transformer foundation, associated equipment foundations and a new three-tank oil containment system which will make Stratford Substation Transpower’s new hub of Taranaki.