I'm more thinking about the big picture where "everyone's PV" is creating a big 
surge on the utility and selective charging could flatten out that surge.   

Good point about most people being at work.    Good argument for having some 
sort of incentive to provide work charging.
Anyway, sure about the limited use, but honestly seems like a pretty simple 
software mod and worth doing if you have lots of capacity to spare anyway and 
missing a charge or even the last 20% of a charge wouldn't be a huge deal.   
Not as good or fancy as telematics, but hey, it's dirt simple too as it's only 
software.

 

    On Friday, July 26, 2024, 1:51:39 PM PDT, (-Phil-) <p...@ingineerix.com> 
wrote:  
 
 It would be really simple to control an EVSE to track the amps the PV system 
is generating.  Any EVSE with wifi hardware already in there could do this with 
just a software update.  Any EV with telematics could also have software 
installed to do this, no extra hardware needed.   The largest issue is that 
most people are not home during the day, except maybe on weekends, so it would 
be of limited use.

On Fri, Jul 26, 2024 at 1:37 PM Lawrence Winiarski via EV <ev@lists.evdl.org> 
wrote:

Interesting.    My PV has a huge surge around midday, but tapers off 
dramatically.   I would think youwould want to capitalize on this to level it 
out.   (even fancier would be to know the weather)   So 
an algorithm would be something like:  Estimate time to charge.   Calculate 
time to start centering around noon.

I'm guessing this would be particularly useful in California.

I looked a little and tried to find this, but didn't see anything as you 
describe.
Can you send some link or something?


    On Friday, July 26, 2024, 9:54:44 AM PDT, paul dove <dov...@bellsouth.net> 
wrote:  

 Most EVSE and cars already have that option 


Sent from AT&T Yahoo Mail for iPhone


On Friday, July 26, 2024, 9:23 AM, Lawrence Winiarski via EV 
<ev@lists.evdl.org> wrote:

Stupid arguments on both sides, but it did get me thinking..

Since most of the time the car knows what time it is, why not have a software 
option to prioritize the onboard chargers to charge during daylight hours to 
use a greater percentage of solar?    When you have a lot of unused range 
anyway, you don't need to keep topping off the car during the night..you can 
just delay until the sun comes up.    

Seems a relatively simple software change that could have pretty big power 
considerations.

    On Friday, July 26, 2024, 5:56:43 AM PDT, paul dove via EV 
<ev@lists.evdl.org> wrote:  

  I doubt we have any congressman that understand physics.
    On Friday, July 26, 2024 at 07:01:17 AM CDT, Mark Hanson via EV 
<ev@lists.evdl.org> wrote:  



EV efficiency loop argument from pro EV Buttigieg. 

https://www.youtube.com/shorts/jML8xzgD3jw

Best regards Mark
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