Milperra Zone Substation Upgrade

The existing substation was commissioned in 1966 and needs to be upgraded to maintain a reliable electricity supply into the future. The upgrade will greatly improve our capability to meet the existing and future electricity needs of homes and businesses in the area and will help to reduce the occurrence of electrical supply outages.

Council notification:
Ausgrid consulted with the City of Canterbury-Bankstown Council regarding the proposed upgrade of this substation, who have no objections to the proposed works.

Environmental assessment:
Minimising the impact our works have on the environment is of paramount importance to Ausgrid. These proposed works will be assessed under Part 5 of the Environmental Planning and Assessment Act 1979 and every effort will be made to minimise disruption to the community.

Ausgrid will be completing a Summary Environmental Report (SER) and is the determining authority for these works. Multiple assessments will be undertaken during the development of this report and mitigation measures will be implemented as appropriate to minimise impacts on surrounding residents as much as possible. At the completion of works, the ground surface and surrounds will be reinstated.

• Site investigations within and around the substation.
• Excavation works inside the zone substation to form a new cable basement.
• Construction of a switchroom building extension within the zone substation.
• Excavation and cable jointing works on the perimeter of the substation near Marigold Street to connect the new cables to the existing cables.
• The following equipment is anticipated to be used for the excavation and construction works: piling rig, excavators, jack hammers, trucks, front end loaders, mobile crane.
• Like any construction site, noise and dust may be generated and we will work to minimise these impacts and finish the work as quickly as possible.

The planned work will not disrupt your power supply.

Proposed timing and work hours
Excavation and construction works are expected to begin in [date] and will take approximately [x] months to complete.

Construction hours would be between 7.00am and 6.00pm, Monday to Friday, and 8.00am and 1.00pm on Saturdays, unless otherwise advised. Please note that Ausgrid will liaise with adjoining land occupiers well in advance of any work commencing.

Equipping works inside the substation would follow however will be primarily undertaken within the new building.