High temperatures prompt 'Flex Alert' for Tuesday

August 13, 2012 3:48:49 PM PDT
Although it's been cooling off in the Bay Area, it's going to be excessively hot in the Central Valley and Southern California Tuesday. So, operators of the state's power grid have issued a "Flex Alert" to encourage conservation as inland regions continue to swelter in high heat.

The Flex Alert will be in effect Tuesday between 11 a.m. and 6 p.m.

Conservation Tips

  • Set the thermostat at 78 or higher and turn off if away
  • Cool with fans and draw the drapes
  • Turn off unnecessary lights and appliances
  • Use major appliances in the morning or late evening

Flex alerts are intended to prevent operating reserves from falling to the point that a Stage 1 emergency occurs. Transmission emergencies are declared when local voltage levels are at risk due to sudden power line outages or when fires threaten the grid.

Stage 1 Emergency: Operating reserves forecast to fall to between 7 percent to 6 percent
Stage 2 Emergency: Operating reserves forecast to fall below 5 percent
Stage 3 Emergency: Operating reserves forecast to fall below 3 percent


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