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Strategies & Market Trends : The Financial Collapse of 2001 Unwinding

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To: elmatador who wrote (2888)7/27/2019 7:11:14 AM
From: Elroy Jetson   of 13801
 
Remember the electrical efficiency of photovoltaic cells drops off at temperatures above 25 C.

You're not going to take a shower with 25 C water, unless you're desperate, and you're certainly not going to desalinate any water at that temperature.
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Rate payers in the San Diego area are indeed paying for Reverse Osmosis plants to desalinate brackish water, because it's less costly than the energy pumping costs to bring water down from Northern California, let alone the infrastructure costs.

The Carlsbad plant will ultimately cost $1 billion to construct and $60 million per year to operate, probably costing a total of $100 million annually with the construction cost amortized over 20 years or so. For this cost the plant will produce 21.5 billion gallons of drinking water. - en.wikipedia.org

That's less than half a penny per gallon to produce 7% of San Diego's water.

Water from the Los Angeles Metroplitan Water district cost us half that price.
If they keep building homes in San Diego, rate payers will pay even more.

RO produces cleaner water than solar or steam desalination primarily to recycle industrial water fro reuse rather than drinking.
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