In a year, the average home USES about 20, 000 units (kilowatt hours) of energy via gas use.
在一年中，平均每个家庭耗费的燃气大约为2万个字(千瓦小时)。
Those solar panels will produce 6.5-million kilowatt-hours of electricity per year.
这些太阳能电池每年可以发电650万千瓦时，这些电力可以供应超过九千个美国家庭，足以满足校园用电的需求。
Every year, Americans produce 12 trillion gallons of wet sewage and burn 21 billion kilowatt-hours of electricity to clean it to drinking-water standards.
每年，美国都会产生12万亿加仑的污水，并耗费21万亿千瓦时的电力将这些污水净化到饮用水的标准。
The United States use 30 trillion kilowatt-hours of energy a year, a huge amount, and much of it is imported.
美国一年的能源使用量是30万亿千瓦小时，这是个恐怖的数字，其中很大一部分还要靠进口。
The cost per kilowatt hour of solar power is figured by estimating the total power output of the solar panel over its 20 - to 25-year warranty.
太阳能输出电能的每度电成本是通过估算太阳能板在其20到25年的保修期间总输出电能来计算的。
In the whole year, forecast report couplet additionally in 4.7 trillion kilowatt hour or so electricity use will.
中电联预测，今年全年用电量将在4.7万亿千瓦时左右。
This added an average of 1 euro cent per kilowatt-hour to the price of electricity last year, increasing the typical household electricity bill by 5%, or euro3 a month.
这使得去年的电价平均每度电增加1欧分，一个典型家庭的电费提高5%，相当于每月增加3欧元。
All told, Apple's supply chain is on track to use 1.5 billion kilowatt-hours per year of clean energy to manufacture Apple products by 2018, Jackson said.
总而言之，苹果公司的供应链是正轨15亿千瓦时，每年的清洁能源用于制造苹果产品到2018年，杰克逊说。
In 2008, more than 8000 kilowatt hours of energy were saved from the previous year.
2008年全年用电，比前一年节省八千多度。
In 2008, more than 8000 kilowatt hours of energy were saved from the previous year.
2008年全年用电，比前一年节省八千多度。
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