It provides massive amounts of hydroelectricity to the yangzi basin .

因为它向长江流域供应着巨额的水电。

That leaves hydroelectricity as one of few realistic alternatives .

水力发电是可供选择的办法之一。

A new generation of free-standing turbines will liberate hydroelectricity from its dependence on dams

新一代的独立式涡轮将把水电从大坝中解放出来

It is powered by hydroelectricity produced on a nearby river and solar panels on the roof .

一个来自附近河流的水电和屋顶的太阳能板为其供能。

The extra capacity comes from an additional 100 or so small natural-gas turbines ; firms generating their own power ; and more hydroelectricity .

额外的供电能力来自另外的一百多个天然气涡轮发电厂的发电量，以及更多的水力发电。