South San Francisco, CA June 17, 2021 Submitted by CA ISO
**UPDATE** 3:45pm 6/17/2021
Flex Alert extended a second day through Friday June 18, 2021
Flex Alert in effect today from 5 p.m. to 10 p.m.
Voluntary conservation encouraged to keep grid stable during extreme heat
FOLSOM, Calif. – The California Independent System Operator’s (ISO) first Flex Alert of the year takes effect this afternoon, with consumers encouraged to voluntarily conserve electricity from 5 p.m. to 10 p.m. to help maintain grid stability while California and much of the Southwest experience triple-digit temperatures the next several days.
Conservation Tips
• Before 5 p.m., “pre-cool” buildings by setting air conditioning thermostats lower
than usual; also, charge electronic devices and electric vehicles; and run
dishwashers, washers and dryers and other major appliances
• After 5 p.m., set thermostat at 78° or higher
• Cool with fans and draw drapes
• Turn off unnecessary lights and defer use of appliances
• Before 5 p.m., “pre-cool” buildings by setting air conditioning thermostats lower
than usual; also, charge electronic devices and electric vehicles; and run
dishwashers, washers and dryers and other major appliances
• After 5 p.m., set thermostat at 78° or higher
• Cool with fans and draw drapes
• Turn off unnecessary lights and defer use of appliances
Flex Alerts
A Flex Alert is issued by the ISO when the electricity grid is under stress because of generation or transmission outages, or from persistent hot temperatures.
Consumers are urged to voluntarily conserve electricity to help avoid more serious steps to protect the power grid, including local rotating outages.
Click here to learn more about Flex Alerts and Stage Electrical Emergencies