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NHBA has been advised of the following infrastructure programme which will roll-out from October 2011. We are committed to ensuring you are kept informed of progress and have an understanding of the impact this will have on your business. Please contact Janine Brinsdon - General Manager if you have any major concerns and we will communicate these to Transpower on your behalf.
Major grid upgrade project to get underway in Auckland
Installation of cabling to further reinforce the power supply into Auckland and Northland will be starting in October on Auckland’s North Shore.
The work is part of Transpower’s North Auckland and Northland project (NAaN) and over the next two years 37 kilometres of 220 kV underground cable circuit will be installed between Albany and Pakuranga, connecting through new substations being built with Vector at Hobson Street and Wairau Road. Work will start once the Rugby World Cup is over.
General Manager Grid Projects Mike Carter describes the work as essential for addressing North Auckland’s reliance on the single transmission line between Otahuhu and Henderson.
“This is the final leg of three major projects to reinforce the power supply into the upper North Island.”
These include the recently upgraded substation at Otahuhu which provides greater diversity and capacity at this key node in Transpower’s network, and the North Island Grid Upgrade project (NIGUP) which involves a new 220 kV link between Whakamaru and Auckland.
“Investment of this scale in the National Grid has not occurred since the 1960s and all three projects are critical to ensure secure electricity supply for Auckland and Northland regions.”
Approval for the $415 million NAaN project was gained from the Electricity Commission in 2009 but planning for the project goes back nearly a decade.
“Early preparatory work involved coordinating the installation of ducts in the Northern Busway during its construction to limit disruption when the cable is progressively installed during 2011 and 2012.”
Key components of the project involve installing four sections of cable between Albany and Pakuranga, the removal of one of the overhead transmission lines between Pakuranga and Penrose and constructing new substations with Vector at their current substation sites at Hobson Street and Wairau Road.
Mr Carter says that all efforts will be taken to minimise disruption during construction but with a project of this scale it will be difficult to avoid some impact on commuters and those living and working along the cable route.
“We appreciate the support for this critical infrastructure project and apologise in advance for any disruption our work may cause.”
For more information visit www.gridnewzealand.co.nz or follow us on Facebook transpowerNZ