一、水电板块逐步形成在2000年以前，以水电为主营业务的电力上市公司只有4家（明星电力、三峡水利、岷江水电和乐山电力）。随着国家积极发展水电政策的逐步落实，电源结构调整的不断深入，水电在我国电力行业中的地位日益提高。自!“”“年以来，电力板块出现了新的现象，水电上 First, the hydropower sector gradually formed Before 2000, the main business of hydropower listed companies only four (Star Power, Three Gorges, Min River and Leshan Electric Power). With the gradual implementation of the state’s policy of active development of hydropower and the deepening adjustment of power supply structure, the status of hydropower in China’s power industry is increasing day by day. Since the ”“ ”" years, a new phenomenon appeared in the electricity sector, on hydropower