It is located in the Tasman Sea, 35 km off the coast of Taranaki and to the southwest of New Plymouth.
Much of the gas from Maui was used to supply the Motunui synthetic petrol plant from 1986 until it ceased operation in 2004.
Gas is piped to power stations for electricity generation at Stratford and Huntly.
The gas is also distributed through high-pressure pipelines for industrial and domestic use around the North Island.
[5] In 2014, the New Zealand government revised its published estimates of natural gas reserves.