06 Dec '11, 1pm

Massive Battery System Captures The Wind

Massive Battery System Captures The Wind

But the really impressive aspect of this wind farm is a series of white shipping containers, nondescriptly nestled into the hills, containing 1.3 million lithium ion batteries. Each battery is about the size of a typical C or D cell, and together they provide frequency regulation to the grid. Grid operators at PJM send signals to the battery system every four seconds, telling it to either send the electricity generated by the wind farm onto the grid, or store it for later use when the wind isn’t blowing. “It’s a level of control over power that we haven’t seen,” said Praveen Kathpal, Vice President of Market and Regulatory Affairs for AES Energy Storage.

Full article: http://cleantechnica.com/2011/12/06/massive-battery-syste...

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