August 1994Tenneco Gas Australia was named preferred developer of the 756km South West Queensland Pipeline and commenced construction in December 1995.
July 1995Tenneco Gas Australia acquired the operations and assets of the Pipelines Authority of South Australia, including the Moomba to Adelaide gas pipeline system.


Epic Energy was created when Tenneco Gas sold its interests to El Paso Energy (30%) CNG International (30%); Allgas Energy (10%); AMP Investments (10%); Axiom Funds Management (10%) and Hastings Funds Management (10%).

Epic Energy completed construction of the South West Queensland Pipeline.

March 1998Epic Energy purchased two pipelines in Western Australia: the Dampier to Bunbury Natural Gas Pipeline and the Pilbara Energy Pipeline.
October 1998Epic Energy completed construction of the 24 km Burrup Extension Pipeline in the Pilbara region of Western Australia.
January 2000Epic Energy completed a 25 terajoule per day expansion of the Moomba to Adelaide Pipeline.
June 2000Epic Energy completed a major expansion of the Dampier to Bunbury Natural Gas Pipeline. The project involved three components: an increase in the Northern compression systems, construction of a new compressor station at Kwinana and construction of 58 km of looped pipe from Wagerup to Worsley in Western Australia's south-west region.
November 2001Epic Energy completed the 85km lateral to Wodgina in the north-west of Western Australia.
June 2004Hastings Funds Management acquired 100% ownership of the Moomba to Adelaide Pipeline system, the South West Queensland Pipeline, the Katnook to Mount Gambier and Snuggery Pipeline and the Dampier to Port Hedland Pipeline. As part of the sale agreement, Hastings retained the name of Epic Energy.
October 2004The DBNGP was sold by a receiver manager after an unfavourable access regulatory decision left the pipeline unable to meet debt repayments. The new owner is a consortium made up of DUET, Alcoa and Alinta, with Alinta as the operator.
November 2004Hastings floated its interest in the Moomba to Adelaide Pipeline, South West Queensland Pipeline and the Pilbara Pipeline systems via the Hastings Diversified Utilities Fund. The fund commenced trading on the Australian Stock Exchange on 13 December 2004.
December 2008Epic Energy completed the QSN Link, a 180km extension of the South West Queensland Pipeline. The project included midline compression and compression at the eastern end of the South West Queensland Pipeline.
December 2011Epic Energy completed a major expansion of'the South West Queensland Pipeline (known as the QSN3 Expansion Project) involving c.937km looping of the SWQP (including the QSN Link) and further inlet compression at Wallumbilla.

December 2012

The APA Group, Australia's largest gas transmission pipeline company, assumed ownership and control of Epic Energy.'As a condition of ACCC approval for the acquisition, APA was required to divest the Moomba to Adelaide Pipeline System. APA did this by way of trade sale of Epic Energy South Australia'Pty Ltd, the subsidiary of Epic Energy that owned'both'the Moomba to Adelaide Pipeline System and the South East Pipeline System.

Like its previous parent company, Epic Energy South Australia Pty Ltd is typically referred to as either 'Epic Energy' or 'Epic'.'

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