Engadget -
16 Sep 2013 21:01

Compressed air batteries have long promised truly clean energy storage, but they haven't scaled large enough in recent years to be viable companions to renewable power sources. That changes now that SustainX has switched on the first modern air battery large enough to join an electrical grid. The company's new ICAES (Isothermal Compressed Air Energy Storage) system in Seabrook, New Hampshire can hold 1.5 megawatts of power versus the kilowatt-level capacities of its rivals. Despite its size, ICA...
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