Average prices decreased by 9.4% at Benmore, decreased by 9.3% at Islington, increased by 16.9% at Haywards and increased by 21.2% at Otahuhu over the last week. Total Storage decreased to 3356 GWh. NI storage decreased by 2 %  to 514 GWh while SI storage decreased by 3% to 2843 GWh.