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AER - Draft 2026 RORI - 29 May 2026

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Draft 2026 Rate of Return Instrument

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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.