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AGIG commits to expanding WA’s largest Gas Storage Facility

Australian Gas Infrastructure Group (AGIG) has announced a further expansion of its commitment to energy security and infrastructure in Western Australia with new developments to the State’s largest gas storage facility.

AGIG has followed up its $74 million redevelopment and commissioning of the Tubridgi Gas Storage facility in 2017 with the final investment decision in recent weeks to complete a seismic survey and expansion of the injection and withdrawal capacity to 90 terajoules a day (TJ/d) and 60 TJ/d respectively.

“AGIG embarked on the latest expansion projects in response to strong demand in the WA domestic gas market for gas storage services,” Mr Andrew Staniford, AGIG’s Chief Customer Officer said.

“The new expansion works are a necessary part of ensuring that AGIG can continue to meet market demand in the longer term and provide our customers with the flexibility they require to meet their energy requirements,” Mr Staniford said.

“These latest projects further increase our role as an owner and operator of critical infrastructure in the State and demonstrate AGIG’s confidence in WA as an investment destination, reinforcing our positive position towards improving energy security,” he said.

The seismic survey will use the latest technology and data processing to produce detailed 3D mapping of the underground reservoir located approximately 550m below the earth’s surface. The project will define the maximum storage volume for customers and de-risk any additional wells that may be installed in the future.

The de-bottlenecking to increase injection and withdrawal capacity has been assessed after 12 months of operational data and technical assessments from the in-house engineering team. It is expected that the reliability of the plant will also improve with the de-bottlenecking processes being undertaken.

The Tubridgi Gas Storage facility – located in WA’s north-west - is owned and operated by AGIG and is the largest gas storage facility in Western Australia and the third largest in Australia. The strategic Pilbara location allows producers and consumers in the State’s domestic gas market to efficiently access gas storage services through the interconnection to the Dampier Bunbury Pipeline.


About Australian Gas Infrastructure Group (AGIG)

In 2017, Australian Gas Networks (AGN), Dampier to Bunbury Pipeline (DBP) and Multinet Gas Networks (MGN) came together to form Australian Gas Infrastructure Group AGIG. The combined distribution, transmission and storage assets make AGIG one of the largest gas infrastructure businesses in Australia.

AGIG has approximately 2 million customers across every mainland Australian state and the Northern territory, 34,000kms of distribution networks, over 3,500kms of gas transmission pipelines, and 42 petajoules of gas storage capacity.

AGIG’s vision is to be the leading gas infrastructure business in Australia - by delivering for customers, being a good employer, and being sustainably cost efficient.

Issued: 30 January 2019

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For further information please contact

Andrew Staniford, Chief Customer Officer, Australian Gas Infrastructure Group

T (08) 8418 1125


Media enquiries

John Field, Field PR, T (08) 8234 9555 / M (0418) 819 527