27 May '13, 1pm

Not Just Blowing in the Wind: Compressing Air for Renewable Energy Storage

Enough Northwest wind energy to power about 85,000 homes each month could be stored in porous rocks deep underground for later use, according to a new, comprehensive study. Researchers at the Department of Energy's Pacific Northwest National Laboratory and Bonneville Power Administration identified two unique methods for this energy storage approach and two eastern Washington locations to put them into practice. Compressed air energy storage plants could help save the region's abundant wind power — which is often produced at night when winds are strong and energy demand is low — for later, when demand is high and power supplies are more strained. These plants can also switch between energy storage and power generation within minutes, providing flexibility to balance the region's highly variable wind energy generation throughout the day. "With Renewable Portfolio Standards ...

Full article: http://www.renewableenergyworld.com/rea/news/article/2013...

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