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。
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.
在不到十年的时间里，单个发电站的发电能力就从几千瓦上升到了几兆瓦，其中许多是水力发电站。
The capacity of individual power stations, many of them hydro plants, rose from a few kilowatts to over a megawatt in less than a decade.
每条海蛇大约产生750千瓦的清洁电力。
Each snake produces about 750 kilowatts of clean electricity.
只有几个CSPV电厂在运营，包括西班牙索福克斯公司建造的一个500千瓦的试验电厂，但更多电厂正在建设当中。
Only a few CSPV plants are in operation, including a 500-kilowatt test plant from the company SolFocus in Spain, but more are on the way.
在最近闷热的某天里，他们生产出了33千瓦的电力，相当于40个家庭的用量。
On a recent sweltering day, they were producing 33 kilowatts of electricity, equivalent to the consumption of 40 homes.
而排放硫、汞和煤灰的煤炭，其每千瓦时产能所造成的死亡人数仍将远远高于核能。
Coal, with its emissions of sulphur, mercury and soot, will continue to kill far more people per kilowatt hour than nuclear does.
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。
The power for these bursts of speed comes from a battery packet with a storage capacity of 42 kilowatt hours.
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。
Coal typically produces almost twice as much carbon dioxide per kilowatt-hour as natural gas.
设想中，该演示设备能让每千瓦电成本降到5美分活或者更低，这让燃煤发电厂的日子很不好过。
Ideally, that demonstration facility would hit a cost of 5 cents or lower per kilowatt, giving coal-fired plants a run for their money.
在纽约上空的射流层（对流层顶）附近，风能密度可达16千瓦每平方米。
Up near the jet stream above New York, the wind power density can reach 16 kilowatts per square meter.
最初的太阳能薄膜模块可产能量为每瓦2美元左右，相当于15美分/千瓦时- 相当于全球许多市场的电力价格。
First Solar produces thin-film modules capable of creating energy at around $2 per watt, equivalent to 15 cents per kilowatt hour--matching electricity prices in many global markets.
这项关税只能做小规模项目，比如100千瓦或是更低。但是生产商指出，如果把100千瓦的组件紧密的排在一起，他们就可以把项目做大。
The tariff was supposed to be for small-scale projects, of 100kw or less; but generators found that they could get it for larger ones if they installed Banks of 100kw modules next to each other..
太阳能热电厂的建造成本下降了10%，至每千瓦4,692美元。
The build cost for a solar thermal plant dropped 10% to $4, 692 per kilowatt.
利用13.8米长的翼展和一个42千瓦的电动机，E430可以在空中持续飞行3个小时之久。
With a 13.8-metre wingspan and a 42kw electric motor, the E430 has a flying time of up to three hours.
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。
For comparison, Nissan's new electric car, the Leaf, comes with a 24-kilowatt-hour battery.
相比之下，西门子公司的电化学方法每立方米消耗1.8千瓦时的电量，并且有望被降至1.5千瓦时每立方米。
The Siemens system, by contrast, consumes 1.8kwh per cubic metre, and the firm hopes to get that down to 1.5kwh.
因此，为了保证在传输过程中不丢失全部能量，必须建设高达745千瓦（非常高）的变电站。
Thus, you'll need to step up voltage to 745 kilovolts (which is a lot) so that wind doesn't lose all its energy in the transmitting process.
这是一个不容忽视的事实：中国人均用电仅为711千瓦，而美国人均用电却高达11,333千瓦。
Consider this fact: Chinese consume 711 kilowatts of power per capita, vs. 11, 333 per capita in U.S..
但在美国，索福克斯公司只建造了一个10千瓦的CPV项目。
But the company only has about 10 kilowatts of CPV technology installed in the United States.
从理论上说，这种反应堆的建造成本更低，因此按每千瓦造价来衡量，较传统反应堆更高效。
They're theoretically cheaper to build and thus more efficient on a cost-per-kilowatt basis than conventional reactors.
但是它输出强劲的288马力(215千瓦)。
这种汽车将使用16千瓦的电池，这相当于城郊一户人家12小时的用电量。
The car will carry a 16 kilowatt-hour battery, which is about the amount of power that a suburban house uses in 12 hours.
连续五天，它随着海潮起伏，发出10千瓦左右的电。
For five days it rose and fell with swells and generated around 10 kilowatts of power.
连续五天，它随着海潮起伏，发出10千瓦左右的电。
For five days it rose and fell with swells and generated around 10 kilowatts of power.
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