How China cracked the US ‘super code’ that controls most power grids in the world

China is no longer using American software to run its power grid. The Southern Regional Electricity Market (SREM) – the world’s largest unified power market – has switched fully to Tianquan, a solver developed by Chinese engineers with speeds 14 per cent faster than American products, according to a report by the official Science and Technology Daily. It follows recent reports that the State Grid, Huawei and many other leading Chinese companies have abandoned US solvers. If China no longer needs...