Average prices increased by 25.9% at Benmore, increased by 25.7% at Islington, increased by 65.5% at Haywards and increased by 64% at Otahuhu over the last week. Total Storage decreased to 3451 GWh. NI storage decreased by 4 %  to 442 GWh while SI storage decreased by 3% to 3009 GWh.