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Charging cars at home at night is not the way to go: study

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Re: Charging cars at home at night is not the way to go: study

#161
post #132

Earlier quoted context omitted.

That’s how we do it in Denmark. We have hourly prices on electricity, so for me it’s cheaper to start the dishwasher outside peak hours. In some areas they are experimenting with car chargers hooked up to this electricity price info, so it charges when it’s cheap.

Weirdly, the latest iPhone + iOS pops a dialog box saying it will do this. // Weird given tiny amount of energy for your iPhone. But perhaps reasonable in aggregate.

LOL. This is classic “virtue signaling.” Your iPhone battery is not even a rounding error on your electricity consumption.

Re: Charging cars at home at night is not the way to go: study

#162

Earlier quoted context omitted.

So your solution to some people having an easier time charging is to make it worse for everyone?

There are people who suggest banning private schools so that the wealthy and powerful will be incentivized to improve public schooling. GP seems to apply the same logic to EV charging.

Exactly!!!. Thats one of the example I had in mind.

Re: Charging cars at home at night is not the way to go: study

#163

Fire risks are also much greater at night if you are charging a BEV in your house while asleep. Far safer to charge in an open area preferably away from other vehicles and stuctures. https://www.ntsb.gov/news/press-releases/Pages/NR20210113.as...

I've had several recalls for spontaneous combustion of my ICE cars suggesting I don't park in the garage. At least one car had multiple fire risk recalls for starting fire while parked.

I guess ICE cars should never be parked in a garage.

Re: Charging cars at home at night is not the way to go: study

#164
post #23

I personally think Govt should ban home charging if they are going to ban non-EV vehicles. How is that rich people with homes charge at home while everyone else has to queue up and waste their time at charging stations. Doesn't seem fair at all. Its a extra time tax on the poor.

This is nonsensical. You are taking away extremely useful technologies from people who can afford a parking space next to a power outlet, all because it's not fair to people who don't have that.

>This is nonsensical.

Whats nonsensical is thinking people will vote to increase taxes on themselves to improve public infrastructure if it doesn't benefit them.

we shouldn't create public policy expecting ppl to vote for it purely out of goodness of their hearts.

Re: Charging cars at home at night is not the way to go: study

#165
If utilities change their time-of-use time slots (when electricity is cheaper to consumers) and EV owners will quickly change their charging habits (and companies will be incentivized to provide them with on-premise charging stations available at those hours and with cheaper rates).

Re: Charging cars at home at night is not the way to go: study

#166
post #78

Earlier quoted context omitted.

If you're regularly committing a certain percentage of your car's battery capacity to powering your house, wouldn't it make more sense to just have a stationary battery at home? Otherwise you can't rely on that extra range in your car if you need it to power your home anyway, and you're just spending extra energy carrying around extra battery weight in your car every day.

If we're seriously going there , then legislate mandatory carpool or motorcycles for single occupants. The thing is, California isn't making great policy decisions or even efficient power decisions. They are making virtue decisions. Moving 1.5 tons of battery or 1.25 tons of battery isn't where the hairsplitting should take place

They are making politically expedient decisions that move the state towards its clean energy commitments. Yes, there may be some hiccups down the road, but that is the price to pay for putting off the transition for so long. And as one of the faster movers in this space CA will almost undoubtedly move the market in a way that will make it cheaper and easier for everyone else. Look at the "California Solar Initiative" (CSI) for example. It incentivized solar installations across the state, well before small scale installations were economically viable. And across the lifetime of the program, solar prices came down and adoption grew.

Re: Charging cars at home at night is not the way to go: study

#167
post #31
post #4

This is simple. Musk just needs to throw 1% of his AI talent at optimizing charging times via realtime grid negotiating and nobody will need to even think about this. Cars will turn into one of our most valuable assets as they help stabalize the grid by being both sinks when energy is plentiful and sources when it's not. There are certain problems we all need to think about, but this is not one of them. It will effec…

If there's excess demand at night, you increase the price at night. If there's excess supply in the morning/afternoon, you lower the price. It's not complicated, and the problem fixes itself. You don't need AI to simulate what groups of people making rational, independent decisions do themselves. That's how you get cars that won't charge because "AI says so", similar to how all of these dogshit smart thermostats can…

You don't get what I'm saying. I'm saying market dynamics (ie, setting the price lower when the grid needs less power) plus the inevitable AI that will game it to everyones advantage will solve this problem automatically.

There is no reason to worry about this. This is trivial AI.

Re: Charging cars at home at night is not the way to go: study

#168

I would be curious about a study done for the Texas market. From what I understand, you'd definitely want to charge at night due to the vast amounts of wind power available and the otherwise low demand. Even better would be to plug the car in at all times when parked either at work or home and it just charges when the rate is cheapest. You don't need to charge every day to refill that 20 or 30 miles.

>Even better would be to plug the car in at all times when parked either at work or home and it just charges when the rate is cheapest. 99% of people have a fixed rate 24/7/365. I live in NYC and I'm not even sure if it's possible for me to pay time of use rates. The time of day that electricity is cheapest is... all the time. I sincerely doubt there is any public or political will to change this engrained billing me…

California's electricity has been mandated to switch to TOU since 2015: https://www.cpuc.ca.gov/industries-and-topics/electrical-ene...

Re: Charging cars at home at night is not the way to go: study

#169

Earlier quoted context omitted.

Weirdly, the latest iPhone + iOS pops a dialog box saying it will do this. // Weird given tiny amount of energy for your iPhone. But perhaps reasonable in aggregate.

LOL. This is classic “virtue signaling.” Your iPhone battery is not even a rounding error on your electricity consumption.

If all iPhones do this it will matter. Charging when energy is plentiful also means that electricity is more likely to come from renewables.

Re: Charging cars at home at night is not the way to go: study

#170

Earlier quoted context omitted.

Weirdly, the latest iPhone + iOS pops a dialog box saying it will do this. // Weird given tiny amount of energy for your iPhone. But perhaps reasonable in aggregate.

Can you give an example of this? I haven't seen it mentioned before.

I guess it’s this https://9to5mac.com/2022/09/12/ios-16-clean-energy-charging-...
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