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**whatisthebluepill** · 08-31-2012, 11:01 PM

As boxhead said, pumped storage has been around for years. It's also used in the UK, I remeber visiting a recently completed pumped storage scheme there about 45 years ago.

The main problems are that it needs a huge quantity of water and a substantial height difference to store a significant amount of energy, and the capital cost is high.

Still, I'm sure we will see more of it in the future as it's probably the most efficient way of using excess energy from wind and solar and the like.

08-31-2012, 11:01 PM	#6
whatisthebluepill Join Date Nov 2005 Posts 613 Senior Member	As boxhead said, pumped storage has been around for years. It's also used in the UK, I remeber visiting a recently completed pumped storage scheme there about 45 years ago. The main problems are that it needs a huge quantity of water and a substantial height difference to store a significant amount of energy, and the capital cost is high. Still, I'm sure we will see more of it in the future as it's probably the most efficient way of using excess energy from wind and solar and the like.
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