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 largest unified power market on Earth – has switched fully to Tianquan, a home-grown solver developed by Chinese engineers with speeds 14 per cent faster than American products, according to a recent report by official newspaper Science and Technology Daily. This follows recent reports that the State Grid, Huawei and many other leading Chinese companies have abandoned US...