Wind costs more than $ 2.5 billion per gigawatt to build , compared with $ 600 million for gas .
风能发电25亿美元每千兆瓦的建造成本，对比汽油只需要6亿。
The party wants operators to create one ' super-network ' , which it estimates could save 300 gigawatt hours a year
绿党希望手机运营商们建立一个“超级网络”，预计这会在每年节约3000亿瓦特小时的电力。
The group said china closed down 54.07 gigawatt of the least efficient coal-fired plants over the last three and a half years - more than the total electricity installed capacity of australia .
If you 've got colleagues who are always flashing around their new ipad or their 1.21 gigawatt android phone , or if your friends all shop in expensive clothes stores , you may well end up matching their spending ......
