Average prices increased by 100.9% at Benmore, increased by 99.9% at Islington, increased by 99.6% at Haywards and increased by 99.3% at Otahuhu over the last week. Total Storage decreased to 3451 GWh. NI storage decreased by 8 %  to 522 GWh while SI storage decreased by 3% to 2930 GWh.