The AER released the 2021 annual benchmarking reports for distribution and transmission on 29 November 2021. 

The AER’s annual benchmarking reports are supported by two expert reports from Economic Insights.

The underlying data and calculations used in the benchmarking reports.

Under the National Electricity Rules, the AER must consult with network service providers in the development of performance reports and we may also consult with other stakeholders who we consider have an interest in the relevant performance report. We received the following submissions from electricity network service providers and other industry stakeholders.