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Eastern Gas pipeline
Location
CountryAustralia
StateVictoria and New South Wales
General directionnortheast
General information
Typenatural gas
OwnerJemena
OperatorJemena
Commissioned2000
Technical information
Length797 km (495 mi)
Diameter457.2 mm (18 in)
Compressor stationsLongford, Orbost, Mila (near Bombala), Michelago

The Eastern Gas Pipeline (EGP) is a 797 km (495 mi) natural gas pipeline.[1] It is a key supply artery between the Gippsland Basin in Victoria and New South Wales, Australia. The EGP is currently operated by Jemena.[1][2]

The EGP supplies more than half the gas consumed in New South Wales and supports consumers in Sydney and regional centres, including Bairnsdale, Cooma, Canberra, Nowra, Bomaderry, and Wollongong.[2] Gas is fed to the EGP at Longford and Orbost, and by the VicHub interconnect facility.[1][2]

Capacity up to 2016 was 106 PJ per annum[2], and during 2016 was increased by 22 PJ per annum.[3] Current capacity in 2018 is 350+ TJ per day.[4]

Pipeline users

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A major user of the pipeline is AGL, who have contracted capacity from the pipeline for AGL's customers in the Australian Capital Territory and New south Wales.[5][6]

Industrial EGP customers include Bluescope Steel at Port Kembla.[7]

Power generation EGP customers include Marubeni’s power station at Smithfield, EnergyAustralia’s power station at Tallawarra,[2] and Alinta Energy’s Bairnsdale power station.[7]

Route and branches

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The main pipeline is 797 km (495 mi) from Longford to Horsley Park.

Section / Lateral[8] Length Diameter
Victoria
VicHub Pipeline 2.3 km (1.4 mi) 355.6 mm (14.00 in)/273 mm (10.7 in)
Longford to Victoria/New South Wales border 276.7 km (171.9 mi) 457.2 mm (18.00 in)
Bairnsdale Main Valve to Bairnsdale City Gate 2.7 km (1.7 mi) 168.3 mm (6.63 in)
Longford suction pipeline from Esso Longford Gas Plant to Longford Compressor Station 2.4 km (1.5 mi) 610 mm (24 in)
New South Wales
Victoria/New South Wales border to Horsley Park 519.8 km (323.0 mi) 457.2 mm (18.00 in)
Port Kembla lateral 6.6 km (4.1 mi) 219.1 mm (8.63 in)
Smithfield lateral 9.6 km (6.0 mi) 219.1 mm (8.63 in)
Wilton lateral 4 km (2.5 mi) 323.9 mm (12.75 in)

History and construction

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Survey work and land access negotiations were undertaken by LandPartners.[9]

The EGP project was initiated by BHP Petroleum and West Coast Energy.[9] Design and construction were undertaken by Duke Energy. The initial design capacity was 65 PJ per annum, with an operating pressure of 14.9 MPa.[10]

The pipeline was commissioned in 2000[2] and owned and operated by Duke Energy.[1] Estimated cost was AUD450M.[10]

API 5L X70 and X65 grade steel pipe with a fusion-bonded epoxy (FBE) coating was used.[11] 90 kT of pipe was used for the pipeline.[10] 27.7 kT of this was processed by OneSteel Oil and Gas from Bluescope Steel PS5200 pipesteel.[10]

Ownership passed to Alinta[1] in April 2004 when Alinta purchased Duke Energy's assets in Australia and New Zealand.[12]

Jemena took ownership and control in 2007.[1]

In 2008 a midline compressor was commissioned at Mila, near Bombala, New South Wales, increasing capacity by 15%.[13] Engineering constraints included snow zone operating conditions.[14] Capacity was then 98 PJ per annum.[11]

Local Rural Fire Service personnel are given response training by Jemena.[15]

The Wilton lateral was commissioned in 2016.[1][3]

Planning for a compressor upgrade commenced in 2013.[7] In 2016 capacity was increased by 20%, 22 PJ per year, by the addition of two new midline compressor stations, at Michelago, and at Orbost.[3][16]

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References

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  1. ^ a b c d e f g "NSW: Eastern Gas Pipeline". Australian Energy Market Commission. Retrieved 16 May 2018.
  2. ^ a b c d e f "Eastern Gas Pipeline". SGSP (Australia) Assets Pty Ltd. Retrieved 16 May 2018.
  3. ^ a b c "Jemena's Eastern Gas Pipeline expansion now open". Utility. Monkey Media. 8 March 2016. Retrieved 16 May 2018.
  4. ^ "Eastern Gas Pipeline". Jemena. 24 April 2018. Retrieved 16 May 2018.
  5. ^ "AGL secures long-term gas transportation with Eastern Gas Pipeline agreement". AGL. 19 May 2015. Retrieved 16 May 2018.
  6. ^ "AGL awarded Eastern Gas Pipeline transportation agreement". The Australian Pipeliner. Great Southern Press. 19 May 2015. Retrieved 16 May 2018.
  7. ^ a b c "Jemena plans Eastern Gas Pipeline expansion". Pipeline, Plant & Offshore. Great Southern Press. 6 September 2013. Retrieved 16 May 2018.
  8. ^ "EGP - Asset Scheme Register Description - Victoria and NSW - Transmission Eastern Gas Pipeline". Australian Energy Market Commission. Retrieved 16 May 2018.
  9. ^ a b "Eastern Gas Pipeline". LandPartners. Retrieved 16 May 2018.
  10. ^ a b c d "Case Study - Pipesteel - Eastern Gas Pipeline" (PDF). Bluescope Steel. Retrieved 16 May 2018.
  11. ^ a b "Victoria's productive pipelines". The Australian Pipeliner. Great Southern Press. 16 March 2016. Retrieved 16 May 2018.
  12. ^ Hopkins, Philip (16 March 2004). "Alinta swoops on Duke assets". The Age. Retrieved 16 May 2018.
  13. ^ "Mila Gas Compressor Station opened". Bombala Times. AUSTRALIAN COMMUNITY MEDIA. 16 September 2008. Retrieved 16 May 2018.
  14. ^ Mewett, Lyndsie (1 November 2008). "Enerflex delivers Mila gas early". GAS TODAY. Great Southern Press. Retrieved 16 May 2018.
  15. ^ "Training (2) – it's a gas" (PDF). Colinton Courier. Colinton Rural Fire Brigade. 1 October 2009. Retrieved 16 May 2018.
  16. ^ "Investment continues in Australia's gas infrastructure". Ministers and Assistant Ministers for the Department of Industry, Innovation and Science. 29 February 2016. Retrieved 16 May 2018.

Further reading

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