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  • MWh of electricity generated by Eskom's four gas-turbine power stations, which include the open-cycle gas turbines (OCGT). These burn mainly diesel, are expensive to run and are used to supplement electricity supply when the coal fleet is unable to meet demand. Eskom reports data for its OCGTs, Ankerlig and Gourikwa, separately from the other two, Port Rex and Acacia, which are older modular gas turbines.

    DS0271 Energy eskomfossil fuelsouth africa
    Source: Eskom

    Last updated: 10 July 2026

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  • Kilometres of new transmission lines installed each year by South African power utility Eskom. These numbers are published in the technical statistics of Eskom's integrated results report annually. Note: the date refers to Eskom's financial year which is starts on 1 April and ends on 31 March.

    DS0201 Energy electricityeskomsouth africa
    Source: Eskom Integrated Reports

    Last updated: 1 October 2025

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  • Weekly Energy Availability Factor (EAF) percentage across Eskom power stations, representing the proportion of available generation capacity. Excludes electricity generated by independent power producers (IPPs), renewable energy sources, and imported power. Based on data published weekly by the National Transmission Company South Africa (NTCSA).

    DS0199 Energy electricityeskomsouth africa
    Geography: South Africa Period: 2020-12-13 to 2026-08-02 Source: National Transmission Company of South Africa

    Last updated: 19 August 2026

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  • The average annual percentage of electricity available for use, or the energy availability factor (EAF), of Eskom's power stations. It does not include electricity from independent power producers, renewables and imported power. It is sourced from the National Transmission Company of South Africa and updated yearly.

    DS0040 Energy electricityeskomsouth africa
    Source: Eskom

    Last updated: 13 April 2026

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  • Greenhouse gas emissions released by South Africa’s electricity utility Eskom between 2000 and 2022. Emissions include carbon dioxide (CO₂), methane (CH₄) nitrous oxide (N₂O) and total carbon dioxide equivalent (CO₂e). Data is from South Africa's National Greenhouse Gas Inventory Report 2000 - 2022, published 2025-02-07.

    DS0032 Climate & Environment electricityeskomfossil fuelsouth africa
    Source: Department of Forestry, Fisheries and the Environment
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  • MWh of renewable electricity distributed by South Africa's national grid, reported by Eskom, via the National Transmission Company. Sources include concentrated solar power (CSP), photovoltaic and wind. Data sourced from Weekly System Status Reports.

    DS0225 Energy electricityeskomrenewable energysouth africa
    Geography: South Africa Period: 2016-01-01 to 2026-08-02 Source: National Transmission Company of South Africa

    Last updated: 19 August 2026