A solution is a coal-fired power station at Marsden Point. I was involved in a feasibility study for this a few years ago. Part of Auckland's problem is that it is on an isthmus and there are few corridors available to route electricity across the city. A solution is to generate to the north of the city and pipe the power southwards.
A coal-fired station at Marsden Point works for several reasons. It's a deep-water port, allowing large coal vessels (Cape size) to unload. The electricity infrastructure already exists there from the now mothballed oil-fired Marsden B plant.
The coal would not be New Zealand coal. It makes better sense to backload either Australian or Indonesian coal in empty coal ships returning to New Zealand.
The greenies don't like coal-fired stations for a bunch of reasons, particularly relating to carbon dioxide emissions. However there are some deep ocean injection technologies that exist that could be used to mitigate these -- another plus for a Marsden Point location for the plant.
Will it ever happen? Doubt it. Or at eight-times the price in 10 years time when black-outs and brown-outs have become a fact of life for Auckland.
"Standing on your mother's corpse you told me that you'd wait forever." [Bryan Adams: Summer of 69]
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