每年有几十亿吨材料被破碎，要消耗几亿个兆瓦小时电力。
Several thousand million tonnes of material are crushed every year using hundreds of millions of MW hours.
MIT的研究小组计算，一个集装箱大小的电池可以提供1兆瓦的电力-足以让10000 个功率100瓦灯泡亮上几个小时。
The MIT team calculates that a battery the size of a shipping container could deliver a megawatt of electricity - enough to power 10, 000 100-watt light bulbs - for several hours.
自1991年成立以来，该计划已在一年节省100兆瓦的电力，或2.5美国总耗电量的百分之小时。
Since its inception in 1991, the program has saved 100 terawatt-hours of electricity, or 2.5 percent of total U. S. electricity consumption in a year.
自1991年成立以来，该计划已在一年节省100兆瓦的电力，或2.5美国总耗电量的百分之小时。
Since its inception in 1991, the program has saved 100 terawatt-hours of electricity, or 2.5 percent of total U. S. electricity consumption in a year.
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