Backup power could also be provided by linking wind farms with a solar cell, with conventional or pumped-storage hydropower, or with efficient natural-gas-burning turbines.
将风力发电厂与太阳能电池、常规或抽水蓄能的水电或高效的天然气涡轮机连接起来，也可以提供备用电力。
其中一个计划就是水力发电。
The implication of the hydropower station is under fierce public debate.
相关的水电站也卷入了激烈的公开辩论。
In South-East Asia, China's plan to double hydropower by 2010 is causing concern.
中国计划在2010年前建立多于目前一倍的水电站，这在东南亚引起了强烈关注。
But it may eventually be supplied from hydropower DAMS on the nearby Namtha River.
但是或许最终将会使用来自老挝南塔河水电站的供电。
Hydropower plants in Hunan province are producing less that a third of their capacity.
湖南省的水力发电场发电不足容量的三分之一。
In some cases, hydropower is growing as a backup power supply for wind and solar power.
在某些地区，水电项目是作为风力发电和太阳能发电项目的后备手段。
Some countries must rent costly diesel generators to boost hydropower in years of drought.
在干旱的年份里，一些国家必须租用耗费高昂的柴油发电机来补充水电。
Hydropower produces about 15% of the world's electricity, compared with 3% for other renewables.
水电产能约占全球总电力的15%，其他可再生能源占3%。
Africa has only developed about 8% of its hydropower potential, according to the commission.
该委员会称，非洲仅开发了水电可开发量的8%左右。
According to Viravong, 20% of Laos' GDP will come from hydropower and mining by 2020, up from about 4% today.
根据达拉冯的说法，到2020年，老挝来自水电站和矿业的GDP将由现今的4%增长到20%。
The question, therefore, is whether there is a way to get the advantages of hydropower without the drawbacks.
因此，问题在于是否可以找到一个可行的办法，既能利用水力发电的优点，又能避免建水库造成的不良影响。
Though green sounding, this will mostly be achieved through an expansion of hydropower and nuclear plants.
尽管听起来很环保，但这一目标主要要通过扩大水能和新建核电站来实现。
Yet the biggest source of renewables, hydropower, and the smallest, geothermal, both only added 3% to capacity.
不过最大和最小的可再生能源——水力发电和地热发电都只增加了3%的容量。
And a big hydropower plant at the nearby Kajaki dam should be able to light up Kandahar for a fraction of the cost.
而且只需上述费用的一小部分，就可在附近的卡贾基大坝建一座大型水力发电厂，应该足以为坎大哈提供照明用电。
And a big hydropower plant at the nearby Kajaki dam should be able to light up Kandahar for a fraction of the cost.
而且只需上述费用的一小部分，就可在附近的卡贾基大坝建一座大型水力发电厂，应该足以为坎大哈提供照明用电。
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