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Meridian Energy Limited's monthly operating report for May 2022 shows national hydro storage at 85% of historical average, with South Island storage at 79% and North Island storage at 122%.
Inflows were 81% of historical average in the Waiau catchment and 69% in the Waitaki catchment.
Demand for electricity was 3.0% lower than the same month last year.
New Zealand Aluminium Smelter's average load was 565MW and Meridian’s retail sales volumes were 4.4% higher than in May 2021.
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