Guidelines, schemes, models and reviews

The Rate of Return Instrument specifies how the AER will determine the allowed rate of return on capital invested in regulated electricity and gas networks.

We are undertaking a consultative process for amending the Capital Expenditure Incentive Guideline.

The AER is consulting on a new minimum disconnection amount for the National Energy Customer Framework, with submissions closing on Wednesday, 18 June 2025.

Jurisdictional scheme for the SA Small Compensation Claims Scheme.

Expenditure Forecast Assessment Guideline describe the process, techniques and associated data requirements for our approach to setting efficient expenditure

AER updated its capital expenditure incentives guideline and efficiency benefit sharing scheme to accommodate the amended National Energy Objectives.

The CESS provides financial rewards to network service providers whose capex becomes more efficient and financial penalties for those that become less efficient

The Ring-fencing guideline (electricity transmission) 2023 ensures the Guideline remains fit for purpose in a changing regulatory landscape and electricity mark

The Rate of Return Instrument (the Instrument) sets out the approach by which we will estimate the rate of return, and comprises the return on debt and the return on equity, as well as the value of imputation credits. We publish a new Instrument every 4 years that will bind all regulatory determinations in the subsequent 4 years.

The Ring-fencing guideline (electricity distribution) 2022 ensures the Guideline remains fit for purpose in a changing regulatory landscape and electricity mark

Rebidding and Technical Parameters Guidelines