Shift from Siemens and Schneider reflects concerns over industrial control system vulnerabilities, including computer worms like Stuxnet

The change follows growing alarm over vulnerabilities in industrial control systems – highlighted by historic cyberattacks via computer worms like the Stuxnet virus, which allegedly exploited Siemens PLCs to sabotage Iran’s nuclear programme more than a decade ago.

The South China Morning Post has reached out to Siemens and Schneider for comment.

Xiluodu is the third-largest hydropower station in China, after the Three Gorges Dam and the Baihetan Dam, and the fourth-largest in the world.

With nine units of 770 megawatt turbine generators on each bank, it has a total installed capacity of 13.86 gigawatts.