Also aiding in the reliability of a system running completely on wind, water, and solar power, the authors say, is that it would need about a third less energy than a fossil-fired system.

另外，作者提到，为了维护完全依靠风能、水能和太阳能系统运营的稳定性，要借助第三个较少的能源，而不是靠化石燃烧的系统。

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The system could power 935 homes during the day. As early as January of this year, the Navy also applied solar energy five rooftops at the Pearl Harbor base in Hawaii.

今年一月份，美国海军还在其夏威夷珍珠港基地五处建筑的屋顶上安装了太阳能供电设备。

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Solar Dynamic Power system might be used as a future space energy system.

空间太阳能热动力发电系统是非常有前景的未来空间能源供应系统。

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Orbital debris could block all these benefits for centuries and prevent us from developing clean energy sources like space solar power satellites, exploring our Solar System and someday making humanity a multi-planetary civilization capable of surviving true climatic catastrophes.

FORBES: Beware Of Space Junk

From news that Germany met half the country's energy needs with solar power to an Egyptian teenager who built a new quantum space propulsion system, 2012 was a big year for clean tech.

ENGADGET: Inhabitat's Week in Green: biological concrete, flexible solar cells and the top wearable tech of 2012

Fraunhofer also will design a system to allow the solar energy equipment to check itself for proper installation and to send its power generation data to the local utility.

FORBES: Feds Fund Four Projects To Simplify Solar Gear Designs and Predict Power Output