On Monday, April 14, 2014 7:07:47 AM UTC-4, rcp...@gmail.com wrote:

> The problem is nuclear reactors are very slow to change their output.  The
rate at which demand changes is far more rapid than the rate at which power
station type nuclear reactors can respond. 

Slower than coal?

A large coal plant takes a long time to ramp up or ramp down.  Usually demand,
averaged out over the grid by many consumers, changes gradually and
predictively.  Utilities watch consumption and various factors, such as
weather, external events, etc., 
that might impact demand.

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