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<div class="moz-cite-prefix">Paul,<br>
<br>
There is discussion of this issue in <a
href="http://www.powermag.com/issues/features/Distributed-Solar-Challenges-Utilities-Markets-and-Regulation_5186.html"><i>Power</i></a>.
<i></i>A year or so ago I read an article about this topic and in
it the conclusion was that the diversity inherent in distributed
generation, even over a small geographic, averaged out so that the
grid was not subject to large sudden output changes from passing
clouds. The timing of when clouds shadowed different systems
washed out the variation such that the grid did not see large
sudden power changes. Obviously that would be different for a
utility scale system where clouds could reduce the output of an
entire plant in a few short amount of time. The article may have
been in <i>Solar Today</i>, <i>Solar Industry</i> or <i>Sun
& Wind Energy</i>, unfortunately I can't find it now so
maybe it was someplace else.<br>
<br>
<pre class="moz-signature" cols="72">Kent Osterberg
Blue Mountain Solar, Inc.
<a class="moz-txt-link-abbreviated" href="http://www.bluemountainsolar.com">www.bluemountainsolar.com</a>
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On 3/15/2013 10:27 PM, Paul Israel wrote:<br>
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<blockquote
cite="mid:CABoWn4De9yW+S22bdqjrcq1QqeZzKPVsWjYxavf24Nwh8ya4zQ@mail.gmail.com"
type="cite">Does anyone know of any specific instances of a "solar
ramp" problem in California? In that the curtailment of solar
production (clouds) has caused a problem on the utility grid?
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