HVDC Inter-Island
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The HVDC Inter-Island link is a 610 km long, 1200 MW high-voltage direct current transmission system connecting the electricity networks of the North Island and South Island of New Zealand together. I
HVDC transmission line tower in coastal Marlborough region
HVDC 350 kV submarine cable cross section. Overall diameter 13 cm/5 in.
Sample cross-section of HVDC line conductor
Label on line conductor sample (original rating ±250 kV)
Benmore Dam
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Benmore Dam is the largest dam within the Waitaki power scheme, located in the Canterbury Region of New Zealand's South Island. There are eight other power stations in the Waitaki Power Scheme.
HVDC Inter-Island
…section. The link is owned and operated by state-owned transmission company Transpower New Zealand. The HVDC link starts in the South Island at the Benmore Hydroelectric Power Station, on the Waitaki River in Canterbury and then it travels 534 kilometres (332 mi) on an overhead transmission line through inland Canterbury and Marlborough…
Benmore Dam
Dam of Benmore hydropower station
Lake below Benmore hydropower station
Benmore Dam from the south lookout, near the spillway