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    Annual Market Statistics Reports

    Market Information and Historical Trends

    The Annual Market Statistics report summarizes key market information over the past year and describes historical market trends. You can also find accompanying files which include data in the tables and figures in each report.

    Download our annual market statistics report and accompanying data file.

    2023 Annual Market Statistics

    Year  2023 2022 2021 2020 2019 2018 2017
    Total AIL (GWh)  86,293 86,572 85,214 83,115  84,925 85,330 82,572
    Average AIL (MW)

    9,851

    9,883

    9,728

    		 9,462  9,695 9,741 9,426
    Maximum AIL (MW)  11,572 12,193 11,729 11,698  11,471 11,697 11,473
    Minimum AIL (MW)  7,873 8,110 7,976 7,579  8,024 7,819 7,600
    Average system load (MW) 

    6,951

    7,061

    6,946

    		 6844 7,027 7,287 7,220
    Growth in average AIL (%)  -0.3% 1.6% 2.8% -2.4%  -0.5% +3.3% +4.1%
    Load factor (%) 85% 81% 83% 81% 85% +83.3% +82%
    Annual Market Statistics Reports