Solar energy curtailment in China: Status quo, reasons and …
China has abundant solar energy resources, mainly distributed in the arid regions of plateau and the Western China [7, p. 3].The annual average radiation level is 1050–2450 kW h/m 2 in these regions with 96% of area over 1050 kW h/m 2 [17, p. 36]. Fig. 1 describes the distribution of total solar radiation on the horizontal surface in China.