03-25-2008, 09:13 PM
If it were possible to get a net gain of electricity by pumping water uphill to run downhill through a turbine, we'd all have FREE electricity. You could put the power companies out of business. It takes more energy to pump it uphill than it can generate running downhill. The electricity they produce will be worth more than the electricity they use, but they WILL use more than they can produce.
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