Expert sees big potential in photovoltaic solar power in Spain
© Provided by Xinhua A herd of sheep take a rest under solar panels at the Francisco Pizarro photovoltaic power plant in Caceres, Spain, on March 24, 2023. (Xinhua/Meng Dingbo)Photovoltaic solar energy sources produced 4,791 gigawatt-hours (GWh) of …