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California is going through a heat wave and as a result state energy regulators are asking EV owners to reduce charging from Aug. 31 to Sept. 6.


Californians may need to take measures to conserve energy, including by avoiding charging electric vehicles, to prevent strain to the state's power grid over the Labor Day weekend, officials said—a week after state regulators voted on a plan to ban the sale of gasoline-powered cars.

The new policy, approved by the California Air Resources Board, will require all new cars sold in California to be free of greenhouse gas emissions by 2035 as part of an effort to fight climate change.

But with a heat wave forecast for the coming days, California's grid operator on Tuesday warned that the excessive heat would stress the energy grid and conservation may be needed over the holiday weekend to avert power outages.

The California Independent System Operator said it issued an order restricting maintenance operations from August 31 through September 6 to ensure that all generators and transmission lines are in service.

In a news release, the California ISO said it expects that it will issue calls for voluntary conservation of electricity through Flex alerts over the long weekend.

"During a Flex Alert, consumers are urged to reduce energy use from 4-9 p.m. when the system is most stressed because demand for electricity remains high and there is less solar energy available," the release said.

The top conservation actions are to set thermostats to 78 degrees or higher to reduce air conditioner use, avoid using large appliances and charging electric vehicles, and turn off unnecessary lights, it said.
 

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California is going through a heat wave and as a result state energy regulators are asking EV owners to reduce charging from Aug. 31 to Sept. 6.


Californians may need to take measures to conserve energy, including by avoiding charging electric vehicles, to prevent strain to the state's power grid over the Labor Day weekend, officials said—a week after state regulators voted on a plan to ban the sale of gasoline-powered cars.

The new policy, approved by the California Air Resources Board, will require all new cars sold in California to be free of greenhouse gas emissions by 2035 as part of an effort to fight climate change.

But with a heat wave forecast for the coming days, California's grid operator on Tuesday warned that the excessive heat would stress the energy grid and conservation may be needed over the holiday weekend to avert power outages.

The California Independent System Operator said it issued an order restricting maintenance operations from August 31 through September 6 to ensure that all generators and transmission lines are in service.

In a news release, the California ISO said it expects that it will issue calls for voluntary conservation of electricity through Flex alerts over the long weekend.

"During a Flex Alert, consumers are urged to reduce energy use from 4-9 p.m. when the system is most stressed because demand for electricity remains high and there is less solar energy available," the release said.

The top conservation actions are to set thermostats to 78 degrees or higher to reduce air conditioner use, avoid using large appliances and charging electric vehicles, and turn off unnecessary lights, it said.
View attachment 2971

California is going through a heat wave and as a result state energy regulators are asking EV owners to reduce charging from Aug. 31 to Sept. 6.


Californians may need to take measures to conserve energy, including by avoiding charging electric vehicles, to prevent strain to the state's power grid over the Labor Day weekend, officials said—a week after state regulators voted on a plan to ban the sale of gasoline-powered cars.

The new policy, approved by the California Air Resources Board, will require all new cars sold in California to be free of greenhouse gas emissions by 2035 as part of an effort to fight climate change.

But with a heat wave forecast for the coming days, California's grid operator on Tuesday warned that the excessive heat would stress the energy grid and conservation may be needed over the holiday weekend to avert power outages.

The California Independent System Operator said it issued an order restricting maintenance operations from August 31 through September 6 to ensure that all generators and transmission lines are in service.

In a news release, the California ISO said it expects that it will issue calls for voluntary conservation of electricity through Flex alerts over the long weekend.

"During a Flex Alert, consumers are urged to reduce energy use from 4-9 p.m. when the system is most stressed because demand for electricity remains high and there is less solar energy available," the release said.

The top conservation actions are to set thermostats to 78 degrees or higher to reduce air conditioner use, avoid using large appliances and charging electric vehicles, and turn off unnecessary lights, it said.
 

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The title is click bait at its finest. All they are asking is to "limit" the charging between hours of 4-9 p.m. due to blackout potential. They aren't telling people not to charge their EV vehicles.
Your point isnt wrong, but neither is the point others are making that if the current grid cant handle it they have a lot of work to do if they are going to ban gas powered sales. If its 4-9 right now, what is it going to be when there are 10x more electric vehicles being charged in California?
 

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Your point isnt wrong, but neither is the point others are making that if the current grid cant handle it they have a lot of work to do if they are going to ban gas powered sales. If its 4-9 right now, what is it going to be when there are 10x more electric vehicles being charged in California?
California and Texas have grid problems during extreme weather events, these are usually able to be planned around, and people who are anti EV always forget to account for the electricity used by the fossil fuel industry, which is 24-7 load, does not lessen during times of grid stress. EV's such as school busses or UPS trucks that are parked in fleet arraignments can back feed the grid when needed. There are lots of problems, but there are manageable solutions. Meanwhile Californians and Texans are forced to turn off their HVAC at times of need, and their grid struggles to keep up, my thoughts are this is primarily policy problems, especially Texas, which has the most poorly managed grid in the country.


Refining gasoline is a energy intense process. Visit a refinery and notice the power lines feeding it. In my state, outside of Alcoa, refineries are the next largest load on the grid.
 

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In Arizona, we rely on natural gas generators to handle the demand loads. In fact SRP has recently been expanding one of their natural gas plants. Those can be turned on and turned off quickly, thus they are perfect for filling in the demand, when needed. Even with all the sun we have, plus rooftop solar, that is still a very small portion of the total generation.
 

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In Arizona, we rely on natural gas generators to handle the demand loads. In fact SRP has recently been expanding one of their natural gas plants. Those can be turned on and turned off quickly, thus they are perfect for filling in the demand, when needed. Even with all the sun we have, plus rooftop solar, that is still a very small portion of the total generation.
Peaker plants are all over the country (world), Gas works well for quickly filling demand, but not the most efficient. Combined Cycle gas plants are more efficient but takes them time to get up to efficiency, and full output.

I have been places in Asia where they have Diesel piston engine peaked plants, and even small gas turbines, which can come online in less than a minute.
 
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