The South West REZ Upgrade: A Case of Uncertainty and Co-operation
The recent announcement of an upgrade to Australia's largest transmission line project, Project EnergyConnect (PEC), has sparked discussions about the future of renewable energy in the country. The PEC, a 700-kilometre transmission line stretching across southern NSW, has already faced significant challenges, including a 56% budget blowout, reaching a final cost of $3.6 billion. This upgrade, expected to cost an additional $225 million, is crucial for the development of the South West Renewable Energy Zone (REZ).
One of the key factors driving this upgrade is the uncertainty surrounding the VNI West project in Victoria. The VNI West project, a joint development between Transgrid and VicGrid, is facing community opposition and an uncertain future. The NSW government has stepped in to underwrite early work on the VNI West project, ensuring that the timeline for the South West REZ is not affected. This move highlights the need for better co-operation between states and ministers to avoid adverse consequences beyond state borders.
However, the PEC upgrade also raises questions about accountability and transparency. Transgrid, the company responsible for the project, has faced criticism for its handling of the budget blowout. Nexa Advisory, a consultancy firm, has described Transgrid's AER application as a case of socialising failures. CEO Stephanie Bashir has called for better accountability and transparency, suggesting that consumers should not bear the risk of project overruns.
The Grattan Institute's energy and climate change director, Alison Reeve, agrees that the PEC upgrade should serve as a lesson for future projects. She suggests that Transgrid should have a better grasp of project costs upfront to avoid repeated requests for additional funding. Reeve also emphasises the importance of co-operation between states and ministers to ensure the successful implementation of renewable energy projects.
Despite the challenges, Transgrid remains committed to delivering a safe, reliable, and increasingly cleaner energy supply. The company has a history of delivering projects on time and on budget, and it is confident in its ability to manage the PEC upgrade. The upgrade is expected to begin in 2027 and will involve an increase in the capacity of the Dinawan substation and the transmission line to Wagga Wagga.
In conclusion, the South West REZ upgrade is a complex and challenging project that requires careful planning and co-operation between states and ministers. The uncertainty surrounding the VNI West project highlights the need for better communication and collaboration, while the PEC upgrade serves as a reminder of the importance of accountability and transparency in project management. As Australia continues to transition to renewable energy, these issues will become increasingly important to address.
