上世纪末,我国的电力供需平衡而且还略有剩余。但随着经济的飞速发展,电力供需形势逐渐吃紧。2002年,全国有12个省区市电网供应紧张,在夏季高峰和冬季枯水期出现了拉闸限电。2003年,在投产3000万千瓦机组的情况下,仍进一步发展到21个省区市电网出现拉限电。2004年,更是有24个省级电网相继出现拉闸限电的尴尬,其中甚至包括煤炭资源丰富的山西省,缺电情况继续恶化。就四川省来说,截止去年底,日拉闸限电 The end of last century, China’s power supply and demand balance but also slightly surplus. However, with the rapid economic development, the electricity supply and demand situation is getting tighter. In 2002, there were 12 provincial and municipal power grids in the country that were in short supply. During the summer peak season and the winter dry season, power cuts were reported. In 2003, under the condition of putting into operation 30 million kilowatts of generating units, it is still further developed to pull the power limit of 21 provinces, autonomous regions and municipalities. In 2004, 24 provincial power grids were battled out awkwardly, including the coal-rich Shanxi Province. The power shortage continued to deteriorate. As far as Sichuan Province is concerned, as of the end of last year, the electricity cut-off will take place