On 29 May, the AER published its draft 2026 Rate of Return Instrument (RORI). The draft 2026 RORI sets out the approach we propose to use to estimate the rate of return on capital, comprising the return on debt and equity, and the value of imputation credits. The accompanying Explanatory Statement sets out the reasoning for our draft decision.
Draft 2026 Rate of Return Instrument
AER - Draft 2026 RORI - 29 May 2026
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AER - Draft 2026 RORI - 29 May 2026 - Tracked against 2022 RORI
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AER - Draft 2026 RORI Explanatory Statement - 29 May 2026
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AER - Draft 2026 RORI - RBA extrapolation using spread-to-CGS - 29 May 2026
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AER - Draft 2026 RORI - Sample of international firms tickers - 29 May 2026
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Submissions
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We invited interested stakeholders to make submissions on the draft 2026 RORI by 31 July 2026.
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Stakeholder forum
The AER held an online public forum on the draft 2026 RORI on 22 June 2026. The forum presentations are provided below. A video of the forum can be viewed below.
AER - Draft 2026 RORI public forum presentation - 22 June 2026
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CRG - Draft 2026 RORI public forum presentation - 22 June 2026
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ENA - Draft 2026 RORI public forum presentation - 22 June 2026
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QTC - Draft 2026 RORI public forum presentation - 22 June 2026
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AER and Investor meeting
On 23 July 2026, the AER met with a group of investors in energy infrastructure assets to overview the draft 2026 RORI and hear investors views on the draft decision.
AER and Investor meeting presentation on draft 2026 RORI - 23 July 2026
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