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Politics : Politics of Energy -- Ignore unavailable to you. Want to Upgrade?

To: RetiredNow who wrote (1037)	7/28/2008 12:39:21 PM
From: Brumar89	Respond to of 86355

Well, its the primary backup now, I can say that much. I'd never heard of molten sand and don't know anything about it or the cost involved. Energy storage, batteries or whatever is going to add to the cost. How much I don't know.

To: RetiredNow who wrote (1037)	7/30/2008 6:14:09 PM
From: TimF	Respond to of 86355

Batteries, pumping water, thermal storage, etc. can all be used to store energy. But not practically at the level it would need to be stored. All they would do is reduce the amount of gas powered backup that you would need, and possibly not even by a very great amount. Electricity consumption by country #1 United States: 3,717,000,000,000 kWh nationmaster.com That almost 4 million gigawatt hours. The storage ideas you talk about just don't scale to any noticeable fraction of that total.