Berrima Junction New Permanent Zone Substation


We’re proposing to establish a new permanent Berrima Junction Zone Substation (ZS), which involves removing the current temporary Berrima Junction ZS.

The works will also include installation of a new 33kV feeder from Moss Vale ZS and re-direction of two existing 33kV feeders from Moss Vale ZS, all within the existing easement.

The project involves:

  • all site preparation and construction works including site clearing, civil works, conduits and trenching, transformer bunds, concrete and footings at the Berrima ZS site
  • installation of a new 33kV feeder from Moss Vale ZS and re-direction of two existing 33kV feeders from Moss Vale ZS, all within the existing easement
  • a new feeder bay at the Moss Vale ZS, installation of underground/overhead fibre optic cable from Berrima Junction ZS to Moss Vale ZS
  • replacement of approximately 34 poles within the feeder alignment
  • Associated distribution works from the new Berrima Junction ZS.

The need

To meet expected demand, the establishment of a new permanent 33/11kV 35MVA ZS at Berrima Junction is required. The new permanent ZS will supply major customers within the Berrima Junction Enterprise Growth Area, including a new data centre and industrial areas. The permanent ZS will enhance the supply security and reliability of new developments by providing a diversified 33kV supply and associated fibre optic network.


Berrima Junction is located in the Southern Highlands and is situated between the historic old town of Berrima to the north and Moss Vale to the south. Endeavour Energy supplies power to this area and also operates a field service centre in Moss Vale.

Locality Map - Berrima Junction Zone Substation REF

Review of Environmental Factors

As the Authorised Network Operator and proponent for this proposal, Endeavour Energy will undertake an assessment of the project in consideration of all environmental, technical, financial and community impacts. Under the NSW Environmental Planning and Assessment Act 1979 (EP&A Act), Endeavor Energy is the determining authority of the proposal.

In accordance with Part 5 of the EP&A Act, Endeavour Energy has prepared a draft Review of Environmental Factors (REF) which outlines:

  • the proposal description and justification (including benefits and objectives)
  • an overview of the relevant legislative framework
  • consultation completed during the assessment phase
  • consideration of alternatives
  • the environmental impact assessment and mitigation measures to be applied during construction and operation of the proposal.

Please see the draft REF for the proposal here .

Stakeholder input and feedback is an important part of the assessment process, including preparation of the REF. We welcome your feedback on our plans by 18 July 2024.

Following the consultation process, Endeavour will consider any submissions and determine if the project is to proceed as planned and on what development conditions.

If approved a Notice of Determination, contained the development consent conditions and authorising the construction works, will be issued by Endeavour Energy for the development

Community correspondence

Stakeholders and landowners located nearby to the proposal will be notified of construction works. Any planned electricity outages will be notified to impacted customers and kept to a minimum and be as short as possible to safely facilitate the development.

Project contact details

For further information or to make a submission please email contact:

Please reference the REF in the subject line and body of the email to ensure that your submission is processed efficiently.