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。

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Wind power generation pursues Cost per kilowatt hour of the electricity generated by WTGS.

风力发电追求度电成本，叶片在风机的造价中占20%的成本份额。

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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。

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Given those challenges and costs, it is therefore necessary to drive the cost per kilowatt-hour down.

FORBES: Connect

Solyndra investor David Prend, of Rockport Capital Partners, said Gronet's cylindrical-design innovation "is huge, because it lowers the cost per kilowatt hour" of electricity for customers.

FORBES: Magazine Article

Although he refuses to reveal figures, Mr Ghosn says the cost per kilowatt-hour (kWh) of battery capacity for Renault-Nissan cars has fallen by half in four years.

ECONOMIST: Electric cars