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World Energy Outlook 2021 Extended Dataset

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World Energy Outlook 2021 Extended Dataset

Updated October 2021

WEO-2021 Free Dataset includes world aggregated data for all scenarios (SDS, APS, STEPS, NZE) and selected data for key regions and countries for 2030 and 2050, as well as historical data (2010, 2019, 2020). Access to this dataset is free of charge for non-commercial usage. 

WEO-2021 Extended Dataset includes more detailed information at regional and country-level for SDS, APS, STEPS (including detailed energy balance, electrical capacity, electricity generation, CO2 emission by region, etc..) across projected years (2030, 2035, 2040, 2045, 2050) as well as historical data (2010, 2015, 2019, 2020). It includes the same global data from the NZE available in the free dataset. It also includes WEO-2021 chapter figures data. 

See below (Documentation section) for documents showing the structure of the data and the differences between the two datasets.

Please note that your use of this data is subject to our terms and conditions.

In particular, you would need to enter into a separate Licence Agreement with the IEA and pay an additional fee if you wish to use the IEA’s data, including scenario data, in any type of modelling for the purpose of creating derived data or derived products, and any services to distribute or display such derived products.

For example, you require a separate Licence Agreement to create metrics, alignment pathways, decarbonisation pathways and/or temperature scores at sector and/or company level in order to calculate and/or assess the climate compliance of investment portfolios and investment assets.

If you intend to have such usage, please contact


  • 22/10/2021

    WEO-2021 Extended dataset - expanded

  • 13/10/2021

    WEO-2021 Extended dataset


Documents showing the structure of the data provided in the Extended dataset and the differences between the Free dataset and the Extended dataset.