Liddell Power Station
Decoupling Substation AGL
2024
April
Decoupling Substation AGL - Liddell Power Station
- By PBE Rutherford
- Case Studies, Liddell Power Station
The Liddell Power Station Decoupling Substation is required for the demolition of the Power Station and repurposing of the site as a renewables and technology hub.

Project Overview
The Project required the establishment of a new 330/33kV substation connected to the Transgrid 330kV network to supply 33kV power to the Ausgrid network which services important customers in the area. The 33kV also supplies power to critical infrastructure at the nearby Bayswater Power Station.
Case Study PDF
Decoupling Substation AGL – Liddell Power Station case study in PDF for download.
PBE Group was appointed as Principal Contractor to AGL for the supply, construction, testing, commissioning and handover of the 330/33kV Substation and associated 330kV and 33kV connections.
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Specific Services Include:
- Project Management
- 330kV Cable Installation & Testing
- 33kV Cable Installation & Testing
- 33kV Overhead Powerline Relocation
- 33kV Overhead Powerline Relocation
- Earthing System Installation & Testing
- Switchroom Manufacture
- Substation Construction
- Commissioning
Project Highlights:
- 330/33 kV, 200 MVA Substation
- 330kV Cables & Cable Sealing Ends
- 33kV Powerlines
- 33kV Switchroom
- Control Room
- Earth Grid
- Substation Construction
- Lightning Protection