Regulatory investment test disputes
The AER resolves disputes about the application of both the regulatory investment test for transmission (RIT-T) and regulatory investment test for distribution (RIT-D) by network businesses. Information about how the AER resolves disputes for the RIT-T and RIT-D can be found:
- in section 5 of the AER’s RIT-T application guidelines on the Regulatory investment test for transmission and guideline.
- in section 5 of the AER's RIT-D application guidelines on the Regulatory investment test for distribution and guideline.
Both documents provide a summary of the process, each party, including the AER, must follow for the relevant dispute resolution process under the Electricity Rules. They also provide information on who may dispute a RIT-T or RIT-D assessment; what matters can be disputed; and how to lodge a dispute.
- Sydney CBD RIT–D dispute - 6 July 2018
- Kangaroo Island Submarine Cable RIT-D dispute - 23 January 2017
- SA Energy Transformation RIT-T dispute - 15 March 2019
- Reinforcing the NSW Southern Shared Network (Humelink) RIT-T dispute - 24 November 2021
- North West Slopes and Bathurst, Orange and Parkes RIT-T disputes - 29 November 2022
- Victoria to NSW Interconnector West (VNI West) RIT-T dispute - 16 October 2023
Access dispute concerning public lighting
The AER is the dispute resolution body for access disputes between access seekers and electricity distributors for negotiated distribution services, under chapter 10 of the National Electricity Law. A dispute may cover one or more aspects of access to a service. The prospective user, user or service provider may notify the AER, in writing, that an access dispute exists.