Average prices decreased by 58.2% at Benmore, decreased by 58.3% at Islington, decreased by 58% at Haywards and decreased by 58.5% at Otahuhu over the last week.  Total Storage increased to 3588 GWh. NI storage decreased by 1 %  to 568 GWh while SI storage increased by 18% to 3020 GWh.