Severe storms which left South Australia without power on Wednesday are set to intensify, as political recriminations fly over the black out.<br /><br /> The unprecedented outage halted mining production, closed ports and left hundreds of thousands without electricity<br />after winds ripped 22 transmission towers from the ground. A power surge led the system to protecting itself by shutting down.<br /><br /> Power has been restored to 90% of the state, but industrial areas north and west of Adelaide are still without electricity. <br /><br /> State premier Jay Weatherill warned that worse weather was on its way. The Bureau of Meteorology warned that more strong winds (up to 140km/h) and heavy rains were to be expected. State Emergency Services chief officer, Chris Beattie urged people to leave work early if possible.<br /><br /> Prime Minister Malcolm Turnbull blamed the state’s heavy reliance on renewables for the black out, while the opposition said he was playing politics with a natural disaster.<br />
