There has been lots of talk about a supply peak, but it is good to start talking about a demand peak, and that has huge implications for these companies.

已经有不少关于供应极限的说法了，但是现在应该开始探讨一下需求极限了，这将给那些公司很大的启示。

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Aircraft consultant Richard Aboulafia says while air travel appears to be making a comeback, demand for first class tickets remains sluggish and airline revenues are well below 2008 peak levels.

VOA: standard.2010.03.30

Which is what leads to our interesting problem: the margin for error, the gap between the entire system working at full output and potential peak demand is going to be only 4% of that peak demand.

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This relieves demand during peak usage periods by giving customers an economic incentive to use less power.

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With that kind of draw on electricity demand, the obvious question is what will happen to peak demand.

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