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First Gas
Natural gas transmission and distribution company From Wikipedia, the free encyclopedia
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First Gas Limited is a natural gas transmission and distribution company in New Zealand. First Gas's network has 2,204 km of high pressure pipelines and 4,800 km of gas distribution pipelines.[1] Through Flex Gas, First Gas owns and operates the Ahuroa Gas Storage Facility.
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History
The Natural Gas Corporation (NGC) was established by the New Zealand government to buy, process, and wholesale natural gas from the Kapuni gas field, which was discovered in 1959.[2] NGC built the first high pressure gas transmission lines in the late 1960s, initially supplying Kapuni gas to Auckland, Hamilton, New Plymouth, Wanganui, Palmerston North, and Wellington. The network was expanded through the 1970s and 1980s, supporting the major expansion of the oil and gas industry at that time.[3]
NGC was privatised in 1992.[2] The Australian Gas Light (AGL) sold NGC to Vector Limited in 2004 and 2005. The company was again sold in 2016 to First State Funds, being renamed First Gas during the acquisition.[4]
In 2016, First Gas purchased the Maui natural gas pipeline from Maui Development for $335 million. At that time, ownership of Maui Development was between Shell (84%), OMV NZ (10%) and Todd Energy (6%).[5]
In 2017, First Gas purchased the Ahuroa Gas Storage Facility from Contact Energy.
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Transmission
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Perspective
The First Gas transmission system has two major systems: the Kapuni system and the Māui system.[6] Gas from the transmission system is delivered either directly to major consumers (e.g. Huntly Power Station, Methanex), or to distribution networks operated by either First Gas distribution, Vector, Powerco, or GasNet for further delivery to mass-market consumers.
Kapuni system
The Kapuni system originates at the Kapuni Gas Treatment Plant in South Taranaki and consists of two major sections: northern and southern.
The southern section travels south to Himatangi, west of Palmerston North. From there, one branch continues south to supply the Wellington area, while another extends east to serve Palmerston North and Hawke's Bay.
The northern section travels north to Pokuru, southwest of Te Awamutu. From Pokuru, one branch continues north via Auckland to Whangārei, while the other another extends east via the Bay of Plenty to Gisborne.
Māui system
Map of the main Māui pipeline
The Māui system carries approximately 78% of New Zealand’s natural gas.[5] The main pipeline is 302 km long, running from the Oaonui Production Station north of Ōpunake to the Huntly Power Station in Huntly.
A major branch, the Frankley Road sub-system, connects the Māui system at Frankley Road (near New Plymouth) to both the Stratford Power Station and the Kapuni system at the Kapuni Gas Treatment Plant. The Māui system also has additional interconnections with the northern Kapuni system at Pokuru and at Rotowaro, west of Huntly.
Major pipelines
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Distribution
First Gas owns and operates the natural gas distribution networks in Northland, Waikato, Bay of Plenty, Gisborne, and the Kapiti Coast.[8]
Statistics
See also
References
External links
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