Parmelia Gas Pipeline

APA owns and operates the Parmelia Gas Pipeline - Western Australia’s first natural gas transmission pipeline - supplying Perth and customers in the south west of the state.

Please contact us on 08 6189 4300 to discuss your requirements and how we may be able to meet them.


The 416km Parmelia Gas Pipeline transports gas from Perth Basin gas fields near Dongara (south of Geraldton), the Carnarvon Basin (via the Dampier to Bunbury Natural Gas Pipeline) and APA’s Mondarra Gas Storage Facility, to customers in the Perth area and the south west of Western Australia.

APA ownership


Regulatory status

PGP is not a covered pipeline under the access regime of the National Gas Law and the National Gas Rules.

Related assets and facilities

APA’s Mondarra Gas Storage Facility adjoins the Parmelia Gas Pipeline

Capacity and services

Refer to our gas transmission services here.

Information on utilisation is available on the Western Australian Bulletin Board, which is updated daily.

Gas Specification


Metering and Measurement

APA Metering and Measurement requirements