Its Electric Grid Under Strain, California Turns to Batteries

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https://www.nytimes.com/2020/09/03/business/energy-environment/california-electricity-blackout-battery.html

Source:  By Ivan Penn, The New York Times. 

Excerpt: Last month as a heat wave slammed California, state regulators sent an email to a group of energy executives pleading for help. ...The manager of the state’s grid was struggling to increase the supply of electricity because power plants had unexpectedly shut down and demand was surging. The imbalance was forcing officials to order rolling blackouts across the state for the first time in nearly two decades. What was unusual about the emails was whom they were sent to: people who managed thousands of batteries installed at utilities, businesses, government facilities and even homes. California officials were seeking the energy stored in those machines to help bail out a poorly managed grid and reduce the need for blackouts. Many energy experts have predicted that batteries could turn homes and businesses into mini-power plants that are able to play a critical role in the electricity system. They could soak up excess power from solar panels and wind turbines and provide electricity in the evenings when the sun went down.... Over the next decade, the argument went, large rows of batteries owned by utilities could start replacing power plants fueled by natural gas....  

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