School of New Energy;
North China Electric Power University;
Beijing 102206;
P.R.China;
State Key Laboratory of Alternate Electrical Power Systems with Renewable Energy Sources;
North China Electric Power University;
Beijing 102206;
P.R.China;
State Grid Gansu Electric Power Research Institute;
Lanzhou 730070;
P.R.China;
PV power; Weather classification; Error analysis; Kernel density estimation; Energy storage capacity configuration;