80年代的小水电企业是国民经济建设的生力军,为国民经济的发展立下过汗马功劳.90年代的小水电企业大部分变为亏损企业,原因大致有以下几个方面. The small hydropower companies in the 1980s were the new force for national economic construction. They contributed greatly to the development of the national economy. In the 1990s, most of the small hydropower companies became loss-making enterprises. The reasons are generally as follows.