Sunday, July 2, 2017

Solar Output Exceeds 100,000 MWh per Day in 2017

Subtitle:  Another Renewable Record in California - Zero Problems on Grid

A rather common opinion is that solar power on a grid causes a great many problems, and should therefore never be supported nor considered as a source of electricity.   The facts, though, give the lie to such an opinion.   Here in sunny Southern California, the grid-scale solar generation is approximately 9,300 MW from the photo-voltaic (PV) systems, plus another 500 to 600 MW from solar thermal plants.  These combined during the longest days of this year, late June, to provide just over 100,000 MWh of electricity into the grid.  see photos. 
Fig 1 Renewable Power Output, from CAISO website

The combined electricity from solar, for June 28, 2017, was 101,850 MWh.  For the previous day, June 27, the output was 103,095 MWh. 

That may just be a record for solar electricity production in any state in the US.  
To put that in perspective, the California grid demand was approximately 30,000 MW at the noon hour. Solar provided approximately one-third of that demand.    Parenthetically, the wind provided another 2,600 MW right around noon.   That is approximately another 9 percent of the demand. 

There were no blackouts.   There were no rolling blackouts.   There were no frequency control issues.  There were, in fact, no extra-ordinary occurrences at all that day on the grid.  
Fig 2  Renewable Power Output, from CAISO website

Roger E. Sowell, Esq.

Marina del Rey, California
copyright (c) 2017 by Roger Sowell - all rights reserved

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