It takes just 1.5 kilowatt-hours (5.4 M J) energy to rotate the Wheel -roughly the same as boiling eight small domestic kettles of water.

转动轮子只需要1.5千瓦时（5.4兆焦耳）的能量，这与使用8壶家用小水壶的能量大致相同。

Burning one ton of rubbish can produce more than 400 kilowatt hours (度) of electricity.

烧一吨垃圾可以产生超过400度的电力。

One kilowatt, two, then three.

一千瓦，两千瓦，然后是三千瓦。

Mr. Hughes turned on a lamp of 1 kilowatt.

休斯先生打开一个一千瓦的灯。

Yet it packs a hefty 288 horsepower (215 kilowatt) punch.

但是它输出强劲的288马力(215千瓦)。

But comparing alternatives on a cost per kilowatt basis is deceptive.

不过，基于每千瓦成本对这些可选方案进行比较具有迷惑性。

Electrical production more than doubled to 621 million kilowatt hours.

电力生产增加了一倍多，达到6.21亿千瓦小时。

Annual U.S. nuclear generation: 798.7 billion KWH (kilowatt-hours).

美国年度核能发电量：7987亿千瓦时。

The build cost for a solar thermal plant dropped 10% to $4, 692 per kilowatt.

太阳能热电厂的建造成本下降了10%，至每千瓦4,692美元。

The 9.2 kilowatt photovoltaic panels on the roof also provide energy for the home.

千瓦光伏的屋顶太阳能板也为住宅提供能源。

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。

“But then the kettle drum comes in,” demanding a sudden power surge of 1-kilowatt.

但随着引入定音鼓，需要1千瓦的电涌。

To compare, Nissan's new electric car, the Leaf, comes with a 24 kilowatt-hour battery.

以日产公司的新型电动汽车做比较，Leaf汽车只配有24千瓦的电池。

Thermal power generation gained 21 percent to 49.64 billion kilowatt hours in the month.

火电发电量增长了21%，一个月高达496.4亿千瓦小时。

For comparison, Nissan's new electric car, the Leaf, comes with a 24-kilowatt-hour battery.

为便于比较，日产的新电动车，利夫，配备的是24千瓦时的电池。

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)。

Coal typically produces almost twice as much carbon dioxide per kilowatt-hour as natural gas.

通常来讲，煤生产每千瓦时产出的二氧化碳约为天然气的两倍。

Whole Foods has since installed two 400-kilowatt fuel cells and plans more, but not everywhere.

Whole Foods之后又安装了两台400千瓦的燃料电池，还计划安装更多的，但不是所有的商店都要安装。

The firm has produced some 100-kilowatt units for corporate customers, costing $700,000-800,000.

公司已为公司客户制造了一些100千瓦的产品，造价为70-80万美元。

For one kilowatt-hour of electricity, which is four million joules, I pay only a lousy ten cents.

为一千瓦时电，就是四百万焦耳，我只花区区10美分。

The Satsop nuclear plant in western Washington State never generated a kilowatt of electricity.

位于华盛顿州西部的萨特索普核电站从来没有发过1瓦电。

The amount per kilowatt varies by state, so be sure to talk to your local utility about the details.

每一千瓦的电在不同地区的数目是不一样的，所以，必须保证事先和你当地的部门谈好具体细节。

That works out to about 3.2 cents’ worth of “nonclimate” damages for every kilowatt-hour (kWh) generated.

以此推算出，每发出千瓦小时（ kWh ）的电产生约3.2美分的“非气候” 损害。

It's not as simple as using less salt or sugar as though you were cutting down on your kilowatt hours.

但是健康饮食和电费单不同，这不仅仅是像减少千瓦时用电一样食用更少的盐或糖那么简单。

The power for these bursts of speed comes from a battery packet with a storage capacity of 42 kilowatt hours.

这种速度突增的动力来自一组电池，该电池组储有42千瓦小时的电能。

Each flywheel can store a 15-minute, 100-kilowatt charge and can discharge 150, 000 times over 20 years.

每个飞轮能存储15分钟的100千瓦电量，而且能在20年间放电15万次。

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。

While they remain highly uncompetitive to fossil fuels, they have overtaken nuclear on a cost per kilowatt basis.

尽管和化石燃料相比它们还很不具备竞争优势，但基于每千瓦的成本计算，它们已比核能更占上风。

Instead of needing 6.7 kilowatt-hours to produce 100 pounds of ice, the new machine will use 3.58 kilowatt-hours.

用6.7度电生产100磅冰（约45公斤）的事情即将成为历史，新的机器做到同样的事仅仅需要3.8度电。