Renewable energy now accounts for about 15% of Germany’s electricity production. Much of that comes from wind generation that is coming close to being cost-competitive with fossil fuels.

目前，可再生能源占到德国总发电量的15%，其中大部分来自于风力发电，风力发电在成本上现在已经基本上可以与化石能源竞争。

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Some believe we should set standards to ensure that more of our electricity comes from wind and solar power.

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If he came here to Iowa, he might know that 20 percent of Iowa's electricity now comes from wind energy. (Applause.) Over the past 4 years, America has doubled its -- the amount of electricity that is produced from wind, and this is enough to power 13 million homes with clean and renewable energy.

WHITEHOUSE: The White House