AusNet invests $30 million on Warrnambool gas network

9 July 2026

More than 68 kilometres of ageing gas mains in Warrnambool will be replaced as part of a $30 million investment by AusNet to improve safety and reliability for local customers.

Works are currently underway across the Warrnambool CBD, with the final tranche of upgrades set to roll out across the network over the next 18 - 24 months.

AusNet Executive General Manager Gas & Metering, Fran Duiker, said the project will replace older cast iron, PVC and galvanised pipes with modern high-pressure polyethylene (poly) pipes.

“Upgrading these older mains will reduce the risk of gas leaks and strengthen the reliability of the network,” Ms Duiker said.

The new pipes are inserted inside existing lines, which means less digging and less disruption for Warrnambool locals.

The works have also been scheduled to minimise the impact to businesses and the community.

The upgrades will also help support consistent gas supply during peak winter demand and reduce the likelihood of outages caused by leaks or blockages.

“We’re committed to delivering a safer, more reliable gas network for Warrnambool and thank local customers and businesses for their patience while these important works are carried out,” Ms Duiker said.

AusNet started the Gas Mains Replacement Program in Warrnambool in 2023, with this final tranche of upgrades to be finalised by December 2027.


Photo: Gas mains upgrade works underway in Warrnambool.

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