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二滩水电开发有限责任公司是由国家开发投资公司、四川省投资集团公司和中国华电集团公司三方股东分别以48%、48%、4%的比例出资组建的。主要业务是实现四川雅砻江水电资源的“流域、梯级、滚动、综合”开发利用。公司已建成的二滩水电站装机330万千瓦,是我国20世纪建成投产最大的水电站,也是二滩水电开发有限责任公司实施雅砻江流域梯级滚动开发的第一个项目。1998年二滩水电站投产,曾出现过一段时间电力电量消纳困难局面。随着国民经济持续快速增长,2002年下半年以来,电力供求形势发生了很大变化,电站电力电量消纳也发生了根本性的改变。2003年发电144.70亿千瓦时,最大负荷290万千瓦,占四川电网26.9%。
Ertan hydropower development limited liability company by the State Development and Investment Corporation, Sichuan Provincial Investment Group Corporation and China Huadian Corporation, the three shareholders were 48%, 48%, 4% of the proportion of funded investment. The main business is to achieve the Sichuan Yalong River hydropower resources “watershed, cascade, rolling, integrated” development and utilization. The Ertan Hydropower Station, which has been built, has an installed capacity of 3.3 million kilowatts. It is the largest hydropower station built and put into operation in China in the 20th century. It is also the first project to implement the cascade rolling development of the Yalong River basin by Ertan Hydropower Development Co., Ltd. In 1998 Ertan Hydropower Station put into operation, there have been some time difficult to absorb electricity and power situation. With the sustained and rapid growth of the national economy, the situation of electricity supply and demand has undergone great changes since the second half of 2002, and the fundamental changes have taken place in the electricity consumption of power plants. Power generation in 2003 reached 14.470 billion kwh, with a maximum load of 2.9 million kilowatts, accounting for 26.9% of Sichuan Power Grid.