The Baotang energy storage station in Foshan City, Guangdong Province, the largest facility of its kind in the Guangdong-Hong Kong-Macao Greater Bay Area, was officially put into operation on Wednesday. The station boasts an installed capacity of 300 megawatts, stores energy from renewable sources like wind and solar power and supplies the stored green energy to households during peak hours. The facility is projected to meet the electricity needs of 200,000 residents in the Greater Bay Area annually.