American Electric Power co. Inc. has installed 7 megawatts of the bus-sized batteries to ease congestion on its transmission lines, and it has an additional 4 megawatts under development.

美国电力公司安装了7兆瓦的电池，每个有公共汽车那么大，用来缓解输电线的超负荷现象，另外还有4兆瓦的电池还在研制中。

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"Our coal-fired generation has certainly picked up" in recent months, says Nick Akins, chief executive of Ohio-based American Electric Power Co.

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Morris, Chairman, President and Chief Executive Officer, American Electric Power Co.

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In September 2009, the appeals court ruled that plaintiffs could sue American Electric Power Co. and five other leading utility companies for their carbon dioxide emissions (which had been already been approved by government issued permits).

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