Amberley Zone Substation

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Currently the Amberley township has approximately 2,100 residents, with a combination of business / commercial, urban (township) residential and rural consumers in the network. The peak load of the Amberley zone substation is approximately 4.8 MVA.

Currently we have two projects underway to reinforce the network and shift approximately 0.4 MVA of load to neighbouring zone substations and increase back-up ability. Currently load growth is occurring faster than previously forecast, due to subdivision growth and a major elderly care facility development underway.

Update and Next Steps:

Completed:

  • Network Planning Report complete, with network impact assessment, analysis and review of network requirements, proposed options, and engineering scope for concept investigation.

  • RFP has been issued for respondents to complete a Concept Design Investigation.

  • Commission concept design.

  • Complete SCORED workshop (Safety, Compliance, Operational, Risk and Engineering and Design workshop).

  • Develop detailed design scope and complete detailed design.

  • Develop detailed delivery plan with build price.

  • Develop business case for board approval.

Next Steps:

  • Commission concept design.

  • Complete SCORED workshop (Safety, Compliance, Operational, Risk and Engineering and Design workshop).

  • Develop detailed design scope and complete detailed design.

  • Develop detailed delivery plan with build price.

  • Develop business case for board approval.

So, what does this mean for customers on our network? As the number of our network users is increasing at a higher growth rate than previously forecast, MainPower has identified the necessity for reinforcing the network by reducing and shifting part of the Amberley Zone Substation to neighbouring zone substations. Everything else will remain the same and should have no direct impact on our customers.