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全球水能资源理论蕴藏量约39.9万亿千瓦时,技术可开发量约14.6万亿千瓦时,经济可开发量约8.7万亿千瓦时。到2010年底,全球水电装机容量超过10亿千瓦,年发电量超过3.6万亿千瓦时,开发程度约为25%(接发电量计算),其中欧洲、北美洲、南美洲、亚洲和非洲水电开发程度分别为47%、389%、24%、17%和8%,亚洲和非洲是今后水电建设的重点地区。目前经
The theoretical reserves of global hydropower resources are about 39.9 trillion kilowatt hours, technically developable amounts of about 14.6 trillion kilowatt hours and economically developable amounts of about 8.7 trillion kilowatt hours. By the end of 2010, the installed capacity of hydropower in the world will exceed 1 billion kilowatts, with an annual generating capacity exceeding 3.6 trillion kilowatt hours and a development level of about 25% (calculation of power generation), including hydropower development in Europe, North America, South America, Asia and Africa The levels are 47%, 389%, 24%, 17% and 8% respectively. Asia and Africa are the key areas for hydropower construction in the future. At present