开发水电除有利于环境保护外 ,更具有风险小、收益稳定和经济效益高的特点。各工业化国家在电力发展上优先发展水电 ,并非仅仅因为水电是可再生能源、清洁能源 ,最主要的是因为水电最经济、投资回报最高。西方私人资本积极参与水电开发正说明了这一点。在欧美和日本等发达国家 The development of hydropower is not only conducive to environmental protection, but also has the characteristics of low risk, stable return, and high economic efficiency. All industrialized countries give priority to the development of hydropower in the development of electricity, not just because hydropower is renewable energy and clean energy. The main reason is that hydropower is the most economical and the highest return on investment. This is illustrated by the active participation of Western private capital in hydropower development. In developed countries such as Europe, America and Japan