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电力供应总量不足,电力建设滞后,是造成电力供应紧张的根本原因;用电需求全面高涨,是造成电力供需紧张的主要因素;高耗能行业快速增长,用电结构重型化,使电力供应对经济增长的支撑能力下降,加剧了电力供需紧张局面;持续高温、干旱和来水不足,以及电煤供应不足等原因,增加了随机性缺电;电价机制和电网制约也是其中重要的原因。
Insufficient total power supply and backward power construction are the fundamental reasons for the tight power supply. The overall surge in electricity demand is the main factor causing the tight supply and demand of electricity. The rapid growth of high-energy-consumption industries and the heavy use of electricity structure make the power supply Decreased support for economic growth has exacerbated the tense situation of electricity supply and demand. Stochastic power shortage has been caused by sustained high temperature, drought and lack of water, as well as the shortage of coal supply. The price mechanism and grid constraints are also important reasons.