The Ahuroa Gas Storage Facility is an underground natural gas storage facility situated at Ahuroa in the Taranaki region of New Zealand, owned by Flex Gas, a subsidiary of First Gas.[1][2] Flex Gas is the trading name of Gas Services New Zealand.
The stored gas is used to supply the Stratford Power Station and other major users of gas when needed during periods of peak demand. The facility can store up to 18 PJ of gas, with injection rates up to 65 terajoules per day and withdrawal rates of up to 65 terajoules per day.[1][3] Flex Gas plans to expand the facility to 65 TJ per day injection and withdrawal by 2021.[1]