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Overview

The Benmore substation is at the southern end of Lake Benmore in the Waitaki Valley. It supplies power to both the South Island's AC system and the HVDC link to the North Island.

The building to house the new Pole 3 equipment- the valve hall - will be constructed alongside the existing HVDC buildings near the front of the substation

The construction of Pole 3 has special challenges as it will be undertaken in a live, operating substation. It cannot interfere with the functioning of Pole 2 or the AC switchyards by producing dust, too much heat or using tall equipment.

 

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HVDC Pole 3 equipment in place

The major pieces of equipment for the HVDC Pole 3 project have now been installed.

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PROJECT TIMELINE

01.06.2010
Civil works starts
01.01.2010
Building construction starts
01.06.2011
Installation of primary plant begins
01.08.2012
Pole 1 decommissioning starts
01.12.2012
Site testing
30.12.2012
Pole 3 commissioned. Project ends