Spey Street Substation

Spey Street Substation – October 2014


Concrete walls being lifted on site at the Spey Street Substation


Construction of the new Spey Street Substation has now commenced with the $7.9 million project expected to be completed by December 2015.  The substation build is being run in conjunction with the laying of the new 33kV cables from Upper Spey Street through to the Transpower substation in Tuai Street.  Both projects are on the Electricity Invercargill Limited (EIL) network.

PowerNet project manager Mark Zwies says the new substation will replace the existing Doon Street Substation which is situation near the Invercargill water tower.  Seismic testing identified the Doon Street Substation as a high-risk location if an earthquake should occur.

This Project is one of the most significant upgrades to Invercargill’s electricity network.  The new 33kV cables and substation will ensure EIL remains committed to its consumers by providing a high quality, reliable supply of electricity to the 6,300 residents and businesses in the CBD.

“The new substatiom will be fully enclosed, housing two 33/11kV transformers, 11kV switchboards and other associated electrical equipment,” Mr Zwies says.

The work is being undertaken by contractors Decom and Calder Stewart.