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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 reports and accompanying data files.

    Year  2017 2016 2015 2014  2013
    Total AIL (GWh)  82,572 79,560 80,257 79,949 77,451
    Average AIL (MW) 9,426 9,057 9,162 9,127 8,841
    Maximum AIL (MW)  11,473 11,458 11,229 11,169 11,139
    Minimum AIL (MW)  7,600 6,595 7,203 7,162 6,991
    Average system load (MW)  7,220 7,070 7,110 7,132 6,903
    Growth in average AIL (%)  +4.1%  -0.9% +0.4% +3.2%  +2.8%
    Load factor (%)  82% +79% +82.0% +82.0%  +79.0%