This important work includes building new substations and powerlines, and replacing ageing assets. We’re keen to ensure that our vision for the region’s future electricity supply is a shared one. So we ask key stakeholders and others in the community to contribute ideas and feedback on our major capital works programs. Please select a project to find out more and provide your input.

Marayong Zone Substation
Endeavour Energy has approved plans to replace the existing outdoor Marayong Zone Substation with a new indoor facility to maintain a safe and reliable electricity supply to Marayong and surrounding suburbs.
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Sussex Inlet Zone Substation Upgrade
To provide more affordable, safe and reliable electricity and support future growth in the Shoalhaven area Endeavour Energy has approved plans to upgrade the existing Sussex Inlet Zone Substation.
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South Leppington Zone Substation Upgrade & Underground Transmission Line Connection
Endeavour Energy is building a permanent zone substation at South Leppington and constructing an underground electricity line from that location to the future North Catherine Field Zone Substation.
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Menangle Park Mobile Zone Substation & Underground Transmission Line Connection
Endeavour Energy has approved plans to install a mobile zone substation at Menangle Park and construct an underground electricity line from the nearby Macarthur Bulk Supply Point to the zone substation.
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South Erskine Park Substation
Endeavour Energy is building a new zone substation within the Oakdale West Estate. The substation will be named “South Erskine Park ZS” (SEPZS).
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Calderwood Mobile Substation Development
Endeavour Energy is building a Zone Substation (ZS) within the Calderwood Urban Development Precinct. The substation will be named “Calderwood ZS”.
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