Average prices decreased by 14.6% at Benmore, decreased by 14.6% at Islington, decreased by 13.4% at Haywards and decreased by 11.8% at Otahuhu over the last week.  Total Storage increased to 3210 GWh. NI storage decreased by 3 %  to 487 GWh while SI storage increased by 4% to 2723 GWh.