World California Blackouts Update as Residents Told to Conserve Electricity During Extreme Heat
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California residents were advised to conserve energy to prevent furtheramid the ongoing heat wave across California and other parts of the country. , the California Independent System Operator (ISO), which manages the state's power grid, said late Thursday.
The ISO extended its Flex Alert through Friday, "asking consumers to again conserve electricity during the evening as California and states across the country work to relieve stress on electric grids due to extreme heat," according to a statement on Thursday.
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A Flex Alert advises customers to save electricity by adjusting thermostats, turning off all unnecessary lights and avoiding the use of major appliances. Residents are also encouraged to use fans for cooling and to unplug any unused electrical items.
The Flex Alert, which was also in place Thursday from 5 p.m. to 10 p.m. local time, is scheduled for Friday 6 p.m. to 9 p.m. local time.
In a tweet late Thursday, the energy manager said the state's power grid is "stable" and "no rotating power outages are anticipated."
A Flex Alert is issued "when the electricity grid is under stress because of generation or transmission outages, or from persistent hot temperatures," the ISO says.
It is typically issued in the summer "when extremely hot weather pushes up energy demand as it reaches available capacity. This usually happens in the evening hours when solar generation is going offline and consumers are returning home and switching on air conditioners, lights, and appliances," the ISO explains.
Texans urged to conserve power through week as heat wave grips West
As a heat wave scorches the Southwest, bringing record-shattering temperatures, officials at the Texas power grid operator are warning residents to prepare for continued outages and to conserve energy. The Electric Reliability Council of Texas (ERCOT) said Monday in a news release that a "significant number of forced generation outages combined with potential record electric use" in June had resulted in "tight grid conditions.
Before the Flex Alert hours begin, residents can take the following steps during the day, as outlined by the ISO:
- Pre-cool your home by lowering the thermostat
- Use major appliances, like your dishwasher, and clothes washer and dryer
- Close window coverings to keep your home or apartment cool
- Charge electronic devices
- Charge electric vehicles
The power grid manager said: "The ISO is continuing to monitor weather and grid conditions and will have additional announcements as information becomes available.
"Precise hours for a Flex Alert depend on hourly demand and supply forecasts and can change as conditions warrant," the ISO added.
The latest Flex Alert was issued following record-breaking temperatures this week. The highest temperatures ranged from 92°F to 115°F in parts of the western and central U.S., according to the National Weather Service.
The NWS tweeted Thursday: "Many other records have been set and more are likely today through the beginning of the weekend across the Central Plains and Southwest."
California Energy Grid Monitors Optimistic That Rolling Blackouts Won't Happen This Summer
California energy officials expressed "guarded optimism" that the state could avoid a new round of rolling blackouts amid summer heat waves, with temperatures in some areas of the state expected to approach 120 degrees on Thursday.Officials with California Independent System Operator (ISO), the nonprofit group that controls 80 percent of the state's power grid, said Wednesday that residents should be prepared for the possibility of blackouts and participate in efforts to reduce energy consumption despite the chances of a fresh round of forced outages being relatively low.
The NWS noted Wednesday that a total of 46.5 million people were reported to be "under a heat advisory (orange) or excessive heat warning (hot pink/magenta)."
"For those in these areas, stay hydrated and in an air conditioned place for as long as possible this afternoon and evening," the NWS tweeted Wednesday.
Excessive Heat Warnings Issued in Northwest, 13 Million Face 'Dangerous' Temperatures .
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