Batteries to Store Wind Power

American Electric Power will install huge banks of batteries on its distribution grid.

COLUMBUS, Ohio, Sept. 11, 2007 – American Electric Power (NYSE: AEP), as part of the company´s comprehensive effort to integrate new technologies for reliability, renewable energy and energy efficiency to meet customers’ future needs, is expanding its use of large-scale battery technology on its electricity grid.
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related: Utility Will Use Batteries to Store Wind Power - New York Times