California Asks Residents Not to Charge Electric Cars at Peak Hours

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Alfred Peru
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In the wake of California’s recent ban on petrol-powered cars, energy providers have asked residents not to charge their electric cars at peak hours. The state’s power grid has been straining under the high-volume demand for electricity during hot summer days. In response to this, energy providers have asked residents to reduce their use of major appliances and turn off unnecessary lights.


The California Independent System Operator, the non-profit organization that manages the power grid, recently issued a Flex Alert, advising Californians to conserve energy. The alert was sent out on June 17 and 18 to all consumers in California. Prior to the alert, Californians were encouraged to charge their battery-powered cars and avoid using electric power at night.

The policy is meant to prevent energy use during peak hours, when electricity demands are high. Despite the potential benefits of charging electric cars, there are still many concerns. Californians are adamant that their power grid will be better able to support them, but the announcement from CalISO has cast even more doubt on its plan.

In the wake of the heatwave, the California Independent System Operator (CalISO) is reminding residents to cut their energy use. This means switching off large appliances and turning off unnecessary lights. The goal is to ease pressure on the power system so that it can cope with the demand.

The temperature forecast for Northern California is 10-18 degrees warmer than usual. To avoid increasing the demand for electricity, residents are encouraged to set their thermostats to 78 degrees and avoid using air conditioning or large appliances. Additionally, residents are encouraged to turn off unnecessary lights in the home between four and nine p.m. This will lessen the stress on the grid and help residents enjoy a longer, cooler night.

The heat wave is already affecting the state’s power grid, prompting the California Independent System Operator to ask residents not to charge electric cars during peak hours. This is part of a series of precautionary measures designed to keep the grid from becoming overloaded. Additionally, CAISO has issued a Heat Bulletin to inform residents of impending soaring temperatures.


PG&E, the Californian power company, is asking residents to avoid charging electric cars during peak hours. The state’s power grid is already experiencing a strain from the heat and electricity demand caused by electric cars, which use more energy than gas-powered vehicles. California regulators have banned the sale of new petrol-powered cars starting in 2035.

The PG&E warning came after a string of wildfires in California. The state already has one million electric vehicles, so this issue is becoming more urgent. The company has warned its customers to prepare for up to ten years of precautionary blackouts. The company has also been blamed for igniting the deadly Dixie Fire last year. It has also been accused of manslaughter after its equipment started fires in 2018 and 2020.

While the increased electric vehicle load may not have a substantial impact on feeder capacity, it can still lead to accelerated degrade of electrical equipment. The extent of degradation is dependent on the relative intensity and duration of peaks that exceed feeder capacity. If charging loads exceed feeder thresholds for more than 22 hours in a single day, the system is likely to experience accelerated degrading.


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