Yancheng City in eastern China’s Jiangsu Province is emerging as a driving force in China’s green energy transition, fuelled by its rapidly expanding wind power industry. Stretching along a 582-kilometre coastline on the Yellow Sea, vast arrays of offshore turbines turn steadily, each rotation generating enough electricity to meet a person’s daily needs.    Though a single turbine weighs hundreds of tons, local manufacturers produce them at scale, with one major facility capable of building 1,200 units a year and exporting worldwide. As its deputy general manager notes, they have achieved “100-percent domestic production of key core components”.   From precision-engineered pitch bearings to lighter, longer, lightning-resistant offshore blades, each component undergoes months of rigorous testing before deployment. Beyond wind, the city is shaping an integrated clean-energy ecosystem spanning offshore photovoltaics, green hydrogen, storage and smart systems. Nationally, wind and solar supplied nearly one quarter of China’s electricity in early 2025, with one in three kilowatt-hours now coming from renewable sources.   Source: China Central Television