Californians Asked to Conserve Power Amid Brutal Heat Wave (capoliticalreview.com)
. . ."California’s “Flex Alerts” urge conservation between 4 p.m. and 9 p.m., the hours when production of solar energy declines. The grid operator urges people to use major appliances, charge electric cars and cool down their homes earlier in the day, then turn up thermostats to 78 degrees (25.5 Celsius) or higher.
“ 'The No. 1 most effective conservation measure is to set thermostats to 78 or higher” because air conditioners are the biggest users of electricity in the summer, Anne Gonzales, a spokeswoman for the grid operator, said in an email.
“ 'We have traditionally asked for 78 degrees, because it has a good effect on our demand, and is still comfortable to allow consumers to easily participate,” she said. “We always ask consumers to set it higher, if they can, and if health permits.”
"Keeping temperatures too low can cause air conditioners to run constantly, added Jay Apt, professor at the Carnegie Mellon University College of Engineering.
“If you set that puppy too low, it’s going to run all the time,” said Apt. “That’s going to do two things, the first is that it is going to use an awful lot of energy and the second is that it’s not going to give recovery time.”
"The goal is to allow units to cycle on and off, said Apt, and 78 degrees is a rough estimate for the sweet spot that can vary depending on a building’s insulation.
"In California, customers of Pacific Gas & Electric, the nation’s largest utility, can volunteer to let the company control their internet-connected thermostats during heat waves. The program automatically adjusts the thermostat schedule so it uses less energy during times of peak demand.". . .
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