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2016-07-15. Grid can’t yet handle the heat as state hits solar power record.

posted Jul 16, 2016, 7:56 PM by Alan Gould
By David R. Baker, San Francisco Chronicle. For GSS Energy Use chapter 10. Excerpt: ...The output from solar plants peaks at midday, stays close to that level for several hours and then tails off sharply in late afternoon. California’s wind farms produce most of their electricity from late afternoon into the night. Electricity demand, meanwhile, tends to hit its daily peak around 6 p.m. — just as solar power is fading and wind is still revving up. To fill the gap, the state relies on power plants that burn natural gas, plants that can ramp their output up and down quickly. Utilities like Pacific Gas & Electric Co. also offer customers incentives to use less power, through measures such as turning off lights, during the critical afternoon hours. On Friday, for example, PG&E asked some customers to power down devices between 2 and 7 p.m....  http://www.sfgate.com/business/article/As-heatwave-bakes-CA-solar-sets-a-big-record-8379331.php [Note from GSS Director: I wonder if incentives could be made for electricity consumers to purchase battery storage systems that could be charged up during the peak solar production hours, whether they have photovoltaic systems or not?]