A petawatt hour is a trillion kilowatt hours.

一peta瓦时等于1万亿千瓦时。

Yeah, it's a unit of energy like kilowatt hour or megawatt hour.

没错，它和千瓦时与兆瓦时一样是一个能量单位。

This is because it would cost hundreds of dollars per kilowatt hour to operate.

因为每千瓦时电量要耗费数百美元。

Compare that to El Salvador. Its annual electricity consumption is 5.35 billion kilowatt hours.

而萨尔瓦多整个国家每年的耗电量是53.5亿千瓦。

Gas costs 20.9 cents per kilowatt hour of heat, while wood products cost 14.88 cents.

天然气每千瓦时的热量成本为20。9美分，而木制品的成本为14。88美分。

One example is the long-range Tesla Model 3, which has a 75 kilowatt hour battery.

一个例子是远程的特斯拉Model 3，这款车有75千瓦时的电池。

And today the world generates about 25 trillion kilowatt hours of electricity each year.

如今全球每年的发电量大约25万亿千瓦时。

Mr Hart thinks he'll be able to sell 2.2 million kilowatt hours of electricity every year.

哈特先生认为他每年能卖出2百20万度电。

Local power companies have helped by offering off-peak prices of 1.3 cents per kilowatt hour for charging the cars at night.

当地电力公司也积极响应，并提供低电价即1.3美分每瓦，供居民晚上充电。

In Nepal, that number is 231 kilowatt hours.

在尼泊尔，这个数字是 231 千瓦时。

Meanwhile, the International Energy Agency, which tracks progress against SDG 7, defines energy access as 50 kilowatt hours per person per year.

与此同时，负责跟踪 SDG 7 进度的国际能源署将能源获取的标准定义为每人每年 50 度电。

The average Nigerian consumesabout 133 kilowatt hours of electricity a year.

VR：尼日利亚人平均每年消耗约 133 千瓦时的电力。

Construction began in the early 1930s and is still used today, producing an average of 4 billion kilowatt hours of hydroelectric power each year.

建设始于 20 世纪 30 年代初，至今仍在使用，平均每年产生 40 亿千瓦时的水力发电。

A country whose inhabitants emit 30 times less greenhouse gases than the world average for each kilowatt hour consumed.

该国居民每消耗千瓦时排放的温室气体比世界平均水平低 30 倍。

The U.S. Energy Information Administration estimates that in 2012, lighting for buildings, streets and highways in the U.S. used about 274 billion kilowatt hours.

美国能源信息管理局估测2012年美国建筑、街道及高速公路的照明使用约2740亿千瓦时。

Duke Energy Renewables' new units will have nearly a quarter of a million solar panels, and it will generate 123 million kilowatt hours of electricity per year.

杜克可再生能源部门的新设施将包括近25万个太阳能面板，每年将制造1.23亿度电。