ISO Issues Statewide Flex Alert - Blackouts Possible

High heat and increased air conditioner usage will be placing strain on power systems statewide

A statewide Flex Alert has been issued by the Independent Systems Operator (ISO) and was expected to run through Sunday evening. 

According to the ISO, higher than normal temperatures statewide are causing power usage to spike, placing strain on the power grid. If usage is not curtailed, blackouts are possible. 

The Flex Alert urges all Californians to reduce power usage and shift non-essential use until after 6:00 p.m. 

Three steps are recommended by the ISO: 

  • Turn off all unnecessary lights, computers and appliances.
  • Adjust your air conditioning thermostat to 78 degrees or higher.  Use a fan when possible.
  • Postpone using major appliances and equipment until after 6:00 p.m. 

Edison also urged residents to during the heat wave to avoid added stress on the power grid.

The Flex Alert come as the Coachella Valley hits it second streak of temperatures pushing 120 degrees this summer, with highs of 115 to 118 expected today. 

Gayle M. Montgomery August 10, 2012 at 06:38 AM
Grandson plays basketball at the Y every night til 10 and often wants to get a drink or something afterwards. We went out tonight (Thursday) after 10 and noticed that street lights in Monrovia on Foothill were dark save for the ones at the signals. It made sense giving the need to curtail, but I wasn't positive it was safe. At first blush, we could see, but I wondered what would happen if there had been more traffic. Glad to see the City was being proactive on this. We got the order to curtail at the office today, had to draw all blinds and turn off optional equipment.


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