Average prices decreased by 31.6% at Benmore, decreased by 30.3% at Islington, decreased by 26% at Haywards and decreased by 22.5% at Otahuhu over the last week.  Total Storage increased to 3862 GWh. NI storage increased by 16% to 505 GWh while SI storage increased by 18% to 3357 GWh.