The Hexham to Tomago Pipeline is a transmission pipeline on the central coast of NSW. The pipeline is owned by AGL. 

The Hexham to Tomago Pipeline is 95 km in length. The pipeline ships gas from Jemena Gas Networks’ gas distribution network at Hexham to AGL’s Newcastle Storage Facility in Tomago.

The Hexham to Tomago Pipeline is currently a non-scheme pipeline, and is subject to the access regime for non-scheme pipelines under Chapter 6A of the NGL and Part 23 of the NGR. On 3 January 2018, the AER granted a 5 year category 1 and category 2 exemption under Part 23 of the NGR for the Hexham to Tomago Pipeline.