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Current Inputs, Assumptions and Scenarios

AEMO delivers a range of planning and forecasting publications to inform decision making including the Electricity Statement of Opportunities (ESOO), the Gas Statement of Opportunities (GSOO) and the Integrated System Plan (ISP).

AEMO strives to ensure its planning and forecasting publications are of highest quality, with data that is fit for purpose and industry-reviewed and processes that are transparent. To build confidence in the forecasts, and help decision makers understand the outcomes, AEMO consults on and publishes its scenarios, inputs, assumptions and methodologies. Confidential information is withheld from public release, but is incorporated in the modelling conducted, if necessary, to deliver assessments that are as accurate as possible.

The documents on this page present the current final Inputs, Assumptions and Scenarios. AEMO is currently consulting on the Inputs, Assumptions and Scenarios that it proposes to use in its 2021-22 forecasting and planning activities. Details of the consultation can be accessed below.

Provide feedback on the consultation on Inputs, Assumptions and Scenarios

2020-21 Inputs, Assumptions and Scenarios 

For 2020-21 publications, AEMO continues to use the scenario narratives developed in 2019 for the 2020 ISP. Inputs used in the scenarios have been updated based on latest information.

The following documents contain descriptions and details of the scenarios, and the associated inputs and assumptions currently applied in AEMO’s Forecasting and Planning activities in 2020-21. 

2020 Demand trace data

2019-20 Scenarios, inputs and assumptions

The following documents detail the scenarios, inputs and assumptions used in Forecasting and Planning activities in 2019-20, notably the 2020 ISP.

Archive for inputs and assumptions workbook

Supporting materials

Reference materials used to support the development of the inputs and assumptions.

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