“…The installed power capacity of renewable energy generation grew more than 200 GW, which is mostly PV generation in 2019 [4,5]. However, because of the intermittency and uncertainty of PV, the high penetration of PV could bring great challenges to the power grid, such as power distribution system planning and operation [6][7][8][9], load demand forecasting [10][11][12], hybrid energy system configuration [13,14], and PV power forecasting [15,16].…”