But the evidence from smart-meter trials in other countries is mixed, according to Sarah Darby, a researcher at the University of Oxford, with demand reduction ranging from 5% to 15%.

但根据牛津大学学者莎拉·达比(Sarah Darby)的说法，其他国家的证据显示，“智能电表”试验效果不一，需求量减少从5%到15%不等。

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For example, meeting growing demand by finding a new source of water or by building a new dam in a place like California could cost up to 60 cents per cubic meter of water.

举例来说，在加利福尼亚州为满足日益增长的需求而寻找新水源或修建新的水坝，每立方米的水价可能要上升到60水美分。

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For those facilities affected by time of day rate structures and or demand charges, the use of electrical meter readings is essential to an efficient operating facility.

对于那些用天数作为收费标准的设施来讲，电表的读数对有效地运行设施是非常必要的。

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Electricity demand per meter was significantly above average in the north of Scotland, but below average across most of the central belt and Ayrshire.

BBC: Renewable power rises by a fifth

Healy and Brewster dream of people someday driving a fuel-cell car up to an Enernoc meter during peak demand and pumping electricity back into the grid.

FORBES: OutFront