Meridian Energy reports increased hydro storage, retail sales

Meridian Energy has reported an increase in national hydro storage and higher retail sales volumes for June 2025.

In the month to July 14, national hydro storage rose to 104% of the historical average, with South Island storage at 95% of average and North Island storage at 150% of average.

Meridian's total inflows for June were 111% of the historical average, while the Waiau catchment inflows were 113% of the historical average.

The company's retail sales volumes in June were 7.9% higher than the same month last year, with increases in all segments except agriculture.

In the fourth quarter, total inflows were 102% of the historical average, and Meridian's Waitaki catchment water storage was 37% higher than the same period last year.

However, the company's generation was 8.8% lower at an 18.6% lower average price.

The national electricity demand in the fourth quarter was 2.6% lower than the previous year.