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SGSP (Australia) Assets Pty Ltd
Private subsidiary
PredecessorAlintaGas Ltd
Alinta Limited
Founded1995 (1995)
Area served
Jemena Network Map as per
Key people
Mr Jiang Longhua, Chairman
Frank Tudor [Managing Director]
ServicesElectric power transmission and distribution
Natural gas transmission and distribution
OwnerState Grid Corporation of China (60%)
Singapore Power (40%)
Number of employees
ParentState Grid Corporation of China

SGSP (Australia) Assets Pty Ltd (SGSPAA), trading as Jemena, is an Australian company that owns, manages or operates energy infrastructure assets in the eastern states of Australia including Queensland and New South Wales, and gas pipelines and gas and electricity distribution networks in Victoria and the Northern Territory.[1] It is 60% owned by State Grid Corporation of China and 40% by Singapore Power.[2]


In January 1995, the vertical monopolist energy supplier, the State Energy Commission of Western Australia, was dis-aggregated into separate gas and electricity corporations, leading to the formation of AlintaGas. On 13 July 2000 legislation was passed by the Parliament of Western Australia for the sale of AlintaGas, which listed on the Australian Stock Exchange (ASX) on 17 October 2000. On 8 May 2003 AlintaGas Ltd changed its name to Alinta Limited. Alinta acquired infrastructure assets and the Agility business from AGL through a combination of merger and demerger transactions on 25 October 2006.[3]

Alinta was acquired on 31 August 2007 by a consortium comprising Singapore Power International (SPI), the largest utility company in Singapore, and Australia's second-largest investment bank, Babcock & Brown Infrastructure (BBI) and Babcock & Brown Power (BBP)[4] with a bid of A$13.9 billion, outbidding a bid by Macquarie Bank.[5] After acquisition, the Alinta businesses were split up. The majority of eastern assets were transferred to Alinta LGA, an Alinta subsidiary, which on 4 August 2008 changed its name to Jemena.[6] Later, ownership of Jemena passed to Singapore Power International, and its name was changed to SPI (Australia) Assets Pty Ltd. In 2014, State Grid Corporation of China acquired a 60% stake in Jemena, and the company's name was changed to SGSP (Australia) Assets Pty Ltd (SGSPAA). The company continues to trade as Jemena.


Jemena's main assets and activities are:

  • An asset management business in the eastern States
  • Colongra gas transmission and storage facility, New South Wales
  • Jemena Gas Networks gas distribution network, New South Wales
  • ActewAGL gas distribution network, Australian Capital Territory (50%)
  • ActewAGL electricity distribution network, Australian Capital Territory (50%)
  • Jemena Electricity Networks electricity distribution network, Victoria
  • Eastern Gas Pipeline, New South Wales and Victoria
  • VicHub, Victoria
  • Queensland Gas Pipeline
  • Northern Gas Pipeline
  • Zinfra Pty Ltd, an engineering, construction and maintenance service provider to the utility infrastructure sector. (100%) [7]

See also[edit]


  1. ^ "". Archived from the original on 18 July 2008. Retrieved 6 August 2008.
  2. ^ "State Grid Corporation of China to invest in Singapore Power's Australian utility businesses" (PDF) (Press release). Singapore Power. 12 March 2014. Archived from the original (PDF) on 27 January 2014. Retrieved 12 March 2014.
  3. ^ "Alinta Ltd merger with the Australian Gas Light Company (AGL) - October 2006". Australian Taxation Office. 18 January 2007. Archived from the original on 16 September 2007. Retrieved 31 January 2007.
  4. ^ "Australia's Alinta recommends US$6b bid by Babcock, Singapore Power". Channel NewsAsia. 30 March 2007.
  5. ^ "SingPower group in $17b buyout of Aussie firm". The Straits Times. 30 March 2007.
  6. ^ About Our New Brand, Jemena company
  7. ^ "Ownership - Zinfra - A leading engineering and service provider to the utility and infrastructure sectors". Retrieved 12 February 2019.