North Auckland and Northland grid upgrade project information
North Auckland and Northland Grid Upgrade
Location
Country
New Zealand
General direction
South-North
From
Pakuranga, Auckland
To
Albany
Ownership information
Owner
Transpower New Zealand
Operator
Transpower New Zealand
Construction information
Construction started
October 2011
Expected
December 2013
Technical information
Type
Underground cable
Type of current
HVAC
Total length
37 km (23 mi)
Power rating
800 to 1000 MVA
AC voltage
220 kV
No. of circuits
One
The North Auckland and Northland (NAaN) grid upgrade project reinforced transmission into the Auckland Region and across the harbour to North Auckland and the Northland Region. It added new 220 kV transmission capacity to the National Grid by providing 37 km of underground cable between the Pakuranga,
Penrose, and Albany substations.
The project included new grid exit points at Hobson Street (Auckland CBD) and Wairau Road (North Shore) and a cable across the Auckland Harbour Bridge. The estimated total cost of the cable aspects of the works was $415 million.[1]
The project was completed and the connection was commissioned in February 2014 at a final cost of NZ$473 million.[2]
^"North Auckland and Northland Grid Upgrade Project". Transpower. Retrieved 29 March 2012.
^"Transpower commissions the North Auckland and Northland Project". Transpower – transpower.co.nz. 26 February 2014. Retrieved 22 November 2017.
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