Frequently Asked Questions

What is Project EnergyConnect?

Project EnergyConnect is a joint project between South Australia’s electricity transmission network provider ElectraNet and New South Wales’ provider TransGrid. The Project involves building a 900km-long interconnector between South Australia and New South Wales with an added connection into Victoria.

What is an Interconnector?

An electricity interconnector is a connection between multiple transmission networks that allows power to flow between regions. Interconnectors are common around the world including in Australia. Project EnergyConnect will involve the construction of a new 330 kilovolt (kV) above-ground transmission line connecting South Australia and New South Wales, with an added connection to north-west Victoria.

The interconnector would help lower energy prices and improve security and reliability in these states.

Why do we need this Project?

The Australian energy landscape is changing as we transition to a greater mix of renewables. To support this transition, the national electricity grid needs to change to connect new energy generation sources to Australian communities and businesses.

At the same time, customers are demanding lower power prices and a more secure and reliable service. ElectraNet, the owner and operator of the South Australian transmission network, has been investigating a solution to lower prices and help the network evolve. The proposed solution is a high-capacity interconnector between Robertstown in South Australia and Wagga Wagga in New South Wales, with a connection to Red Cliffs in Victoria.

The interconnector would help lower energy prices and improve security and reliability in these states.

What is the National Electricity Market?

The National Electricity Market (NEM) is responsible for supplying approximately 80 per cent of Australia’s energy needs (AEMO, 2019). New South Wales, South Australia, Victoria, Tasmania and Queensland are all part of the NEM and are connected by approximately 40,000km of cables and transmission lines (AEMO, 2019) that connect energy producers into the NEM and transport the power they produce to consumers including households, businesses, public services and public infrastructure across these States.

How can I have my say?

Currently we are seeking feedback from landholders, local and state government, the broader community and other key stakeholders about the process to narrow the initial 10km-wide study area that has been identified for the proposed interconnector.

Click here to view the opportunities for you to get involved and when we will be visiting your region.

How have you selected the route?

Our team has developed an initial 10km-wide approximately 900km-long study area based on detailed analysis of major environmental, social and engineering constraints that would limit where the route could go. At the same time we have identified potential opportunities that could minimise any disturbance caused by the proposed interconnector.

This initial study area and the process being used to narrow it to a more defined route is now being tested with landholders, local and state government, community and other key stakeholders to further understand additional constraints, opportunities to minimise disturbance and any other views they may have.

What are the benefits of Project EnergyConnect?

If approved, Project EnergyConnect would deliver a range of benefits for customers in South Australia, New South Wales and Victoria including:

  • Lower power prices;
  • Improved energy security;
  • Increased economic activity;
  • Supporting the transition to a lower carbon emission energy system; and
  • Supporting a greater mix of renewable energy in the NEM.

Independent modelling also forecasts Project EnergyConnect should deliver broader economic benefits including regional construction jobs during the life of the project in South Australia and New South Wales. 

How much will I save on my electricity bills?

Typical residential electricity bills are estimated to reduce annually by about $66 in South Australia and $30 in New South Wales. For small businesses, bills are estimated to reduce annually by $132 in South Australia and $71 in New South Wales. These savings are estimated to start flowing after the Project’s completion.