18 May '11, 4pm

Green: Can Batteries Replace Power Generators?

AES Energy Storage A plant in Johnson City, N.Y., where batteries are used to store energy. AES Energy Storage proposes to furnish a bigger battery installation for the Long Island Power Authority. When the Long Island Power Authority said last summer that it was going to need new power capacity in the next few years, most people assumed that meant new generating stations or new transmission cables. But of the 16 companies that submitted proposals, one, AES Energy Storage, took an entirely different tack: it proposed batteries. When all is said and done, batteries are not a source of energy; in fact, they consume it. For every 10 kilowatt-hours put into a battery, only about nine come back out. The battery is a little like a savings account at a bank, but with a negative interest rate. Still, withdrawals are possible at times when they are most useful. Batteries are a temp...

Full article: http://green.blogs.nytimes.com/2011/05/18/can-batteries-r...

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Can Batteries Replace Power Generators?: AES En...

green.blogs.nytimes.com 18 May '11, 4pm

AES Energy Storage A plant in Johnson City, N.Y., where batteries are used to store energy. AES Energy Storage proposes to...

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nrel.gov 13 May '11, 9pm

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