The Eastern Gas Pipeline (EGP) is a transmission pipeline that operates across Victoria and NSW. The EGP is owned and operated by Jemena (Jemena Eastern Gas Pipeline (1) Pty Ltd ABN 15 068 570 847 and Jemena Eastern Gas Pipeline (2) Pty Ltd ABN 77 006 919 115). 

The EGP is 797 km (or 822.42 km including laterals) in length and 450 mm in width. The pipeline from Longford to Sydney has a capacity of 350 TJ/d. It supplies natural gas from the Gippsland Basin & Sole gas fields in Victoria to markets in Sydney and regional centers along the route (including Cooma, Canberra and Wollongong). Gas is supplied to the EGP at the Longford and Orbost processing plants as well as the VicHub interconnect facility.

The EGP compresses all gas transported on the TGP at the TGP interconnection point.  Shippers injecting into the TGP interconnection point require a standard EGP transportation agreement, available upon referral from the Tasmanian Gas Pipeline.

Duke Energy lodged an access undertaking with the ACCC under the Trade Practices Act 1974 in 2000. This undertaking was not accepted by the ACCC. In addition, the EGP was also the subject of an application for coverage under the Gas Code in 2000. In October 2000, the Commonwealth Minister decided that the EGP should be a covered pipeline. However in May 2001, the Australian Competition Tribunal ordered that the Minister’s decision be set aside, resulting in coverage being revoked. 

The pipeline was commissioned in 2000 and was initially owned and operated by Duke Energy. Ownership subsequently passed to Alinta and, then in 2007, to the Jemena group. In 2016, the EGP completed and commissioned the Wilton Lateral as well as two new midline compressor stations, at Michelago and Orbost.
The EGP is currently a non-scheme pipeline.