公共工程很多时候无法为其扩张提供多余的电力。

And often utilities cannot provide the extra power needed for an expansion.

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其占美国电力消耗的比例为9.4%。

In the U.S., it accounts for 9.4 percent of total U.S. electricity consumption.

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一个突出的例子就是电力基础设施，为其增加基于IT的智能化性能，已普遍被归为智能电网。

A prominent example is the electricity infrastructure where adding such IT-based intelligence is commonly subsumed under the term Smart Grid.

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