Quote:
Originally Posted by samwichse
Got it, so it can reduce costs, but it's bad because California is doing it to reduce their costs.
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It's potentially bad because it's $3,000,000,000 to send water up a hill. How much water do you need to send up a hill before you've derived $3 billion in benefit, plus interest, plus maintenance?
Let's ignore interest and other costs and just consider the $3 billion. At $0.04/kWh, you would need 75 billion kWh to justify the expense. That's enough power to supply 6,966,375 homes for a year.