Marsden Point Oil Refinery

Marsden Point Oil Refinery is a 96,000 BPD refinery located at Marsden Point, Whangarei, Northland, New Zealand. It is the only oil refinery in New Zealand, and is operated by Refining NZ

Increasing demand for petrol and petroleum related products led the Nash Labour government to begin investigating the possibility of constructing an oil refinery. The site at Marsden Point was chosen for the oil refinery due to its location next to a deep water port, low risk of earthquakes, expanses of flat land and closeness to the population centres of the North Island.

Construction of the refinery began in 1962. A consortium of the New Zealand Government contributed the initial NZ£10 million budget of the refinery. It was officially opened on 30 May 1964.

In 1973, the government approved a NZ$160 million expansion of the refinery, involving the addition of a fluid catalytic cracker. Later that year, the first global oil shock, sparked by the Yom Kippur War, raised crude oil prices from US$3 to around US$20 a barrel - however, New Zealand retained reasonable security of supply.

A second global oil shock in 1979, this time due to the Iranian revolution, greatly increased the price of oil again. This proved to be a catalyst for further expansion of the refinery, under the Muldoon National Governments Think Big energy projects. The estimated cost of expansion was $320 million, with a hydrocracker now considered rather than the planned catalytic cracker.

In 1981, the expansion began and the government approving a 170 kilometres (110 mi) pipeline to Wiri, south Auckland. A workforce of 5,000 worked on the expansion, which was by now expected to cost $1.55 billion. Strikes during the project led to the introduction of the Refinery Expansion Projects Dispute Act by the Muldoon government. An inquiry into the strikes and the governments' reactions to them followed. In 1985, the refinery shut down for five months for maintenance work on the old refinery. The project was completed in 1986, two years behind schedule and at a final cost of $1.84 billion. During this time, the price of oil fell to $8 US per barrel and the refinery was mothballed. It was cheaper to import refined petroleum than it was to process it at Marsden Point (The refinery was named after Earnest Marsden, Prof of Physics at Victoria Univ, Wellington).

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