No one is sure just how many Americans live off the national public-utilities grid - relying on generators or alternate energy sources such as solar, wind and geothermal.

没人知道究竟有多少美国人靠国家公共事业的网络生活—依靠发电机或替代能源，如太阳能、风能和地热能。

youdao

Using regulatory mandates has also been a popular way, at the state level, to nudge electricity generators towards getting more of their power from alternative energy sources such as wind and solar.

借助法规要求同样也是通行的做法，在各州，通过诸如风能和太阳能之类的可再生能源，推动发电机来获得更多的能量。

youdao

Over time, wind turbines and solar panels may become the dominant generators of power. The nuclear industry is also set for a major expansion.

在不久的将来，风涡轮机、太阳能电池板将成为主要的发电机，核工业也在快速扩张，还在继续运营的碳燃料发电厂将受到严格的碳排放限制。

youdao

We need to move on." McCoy believes the best way to get more solar,wind and tidal power on the grid is to offer renewable energy generators a government guarantee.

VOA: standard.2010.03.23

Still, thanks to ubiquitous government subsidies, the manufacture of wind and solar generators is a vibrant business.

FORBES: Magazine Article

Google is testing a fleet of plug-in hybrids and software that would turn them into load-balancing tools for utilities flooded with variable power from wind and solar generators.

FORBES: DOE's $30 Billion Man Speaks

These discussions include small-scale hydroelectric projects as well as solar and wind generators, the officials said.

CNN: AllPolitics - Progress Expected During U.S.-China Summit