Energy Start-Up Banks On Compressed Air Over Batteries To Store Air

A draw back to renewable energy is that it is not reliable. You can't create energy when the wind doesn't blow or when the sun isn't shining. So renewables need a way to bank energy. A new company in New Hampshire is creating a storage system for just that problem using compressed air.

Source: http://www.npr.org/2013/03/01/173136713/energy-start-up-banks-on-compressed-air-over-batteries?ft=1&f=1007

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