The AER released the 2023 annual benchmarking reports for distribution and transmission on 28 November 2023.
Annual Benchmarking Reports
AER – 2023 Annual Benchmarking Report – Electricity distribution network service providers – November 2023
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AER – 2023 Annual Benchmarking Report – Electricity transmission network service providers – November 2023
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Fact sheets
We have also released ‘easy to read’ Fact Sheets that summarise what benchmarking is, how we use it, and some of the key results from the 2023 annual benchmarking reports for distribution and transmission.
AER – Fact Sheet for the 2023 Annual Benchmarking Report – Electricity distribution network service providers – November 2023
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AER – Fact Sheet for the 2023 Annual Benchmarking Report – Electricity transmission network service providers – November 2023
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Consultant reports
The AER’s 2023 annual benchmarking reports are supported by two expert reports from Quantonomics.
Quantonomics has also prepared a memorandum outlining some options to improve the performance of our econometric opex cost function benchmarking models.
Quantonomics – Benchmarking results for the AER – Distribution – November 2023
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Quantonomics – Benchmarking Results for the AER – Transmission – October 2023
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Quantonomics – Memorandum – Opex Cost Function Development – October 2023
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Supporting information
The underlying data and calculations used in the benchmarking reports is also made available.
AER – Partial Performance Indicators for distribution
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AER – Partial Performance Indicators for transmission
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Quantonomics – 2023 benchmarking data files – Distribution
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Quantonomics – 2023 benchmarking data files – Distribution – Preferred approach to addressing capitalisation differences
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Quantonomics – 2023 benchmarking data files – Transmission
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Submissions - Annual 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 in the development of the 2023 annual benchmarking reports.
Ausgrid – Submission to 2023 AER draft distribution benchmarking report – 20 October 2023
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Ausgrid – Submission to 2023 AER draft distribution benchmarking report – 27 October 2023
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Ausgrid – Submission to 2023 AER draft distribution benchmarking report – 4 September 2023
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AusNet Services – Submission to 2023 AER draft distribution benchmarking report – 19 October 2023
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AusNet Services – Submission to 2023 AER draft distribution benchmarking report – 26 October 2023
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Energex and Ergon Energy – Submission to 2023 AER draft distribution benchmarking report – 27 October 2023
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Energy Users Association of Australia – Submission to 2023 AER draft distribution benchmarking report – 21 November 2023
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Essential Energy – Submission to 2023 AER draft distribution benchmarking report – 19 October 2023
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Evoenergy – Submission to 2023 AER draft distribution benchmarking report – 4 September 2023
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SA Power Networks – Submission to 2023 AER draft distribution benchmarking report – 6 November 2023
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TasNetworks – Submission to 2023 AER draft distribution benchmarking report – 20 October 2023
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AusNet Services – Submission to 2023 AER draft transmission benchmarking report – 9 October 2023
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ElectraNet – Submission to 2023 AER draft transmission benchmarking report – 16 October 2023
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Powerlink – Submission to 2023 AER draft transmission benchmarking report – 18 October 2023
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