我国有两千多家县供电企业,基本特点是在发展上差异化明显,规模效益相距甚远。有的县供电企业年售电量达190多亿千瓦时,年主营销售收入逾百亿,而有的县供电企业年售电量不到千万千瓦时,自我发展能力不足。尽管规模效益都非常突出的企业数量并不很多,但是这一新兴群体值得 There are more than two thousand county-level power supply enterprises in our country. The basic characteristics are obvious differences in development and far-reaching economies of scale. Some county-owned power supply enterprises with annual sales of more than 190 billion kwh, the main sales revenue of more than 10 billion, while some county-owned power companies selling less than 10 million kilowatts of electricity, lack of self-development capacity. Although there are not many companies that have economies of scale, this emerging group is worth