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Non-Tech : Alternative energy
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To: gg cox who wrote (4912)6/13/2008 2:12:28 PM
From: Asymmetric  Read Replies (1) of 16955
 
Maintaining sodium in a molten state is why Solar One
out in California did not work out. Solar One used a
power tower type of configuration, and the heat transfer
fluid was a type of sodium compound. It worked fine during
the day, but the problem was at night. Obviously you
don't produce any power without sunlight, however,
what made it worse was you had to draw power from the
grid in order to heat the sodium compound to keep it
in a liquid state. The amount of power required to do so
almost equaled the power that was produced during the day.

sandia.gov

- A.
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