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Tesla officially launches Charge On Solar
- Thread starter danny
- Start date
Took like 8 hours after I got the update on my car before the charge with solar option to show up. I think the reason why it only works on newer models is it seems to be pair the car directly to the PW or something through bluetooth. I noticed it created a new key pair as part of the process, but I am not sure.
Remove app, and reload Start from scratch. When I logged in and out, it showed back up.
Called energy support. Tesla is aware of` the issue causing the behavior to act like self consumption even though it's on time based. No ETA on fixed. Strongly recommend not enabling charge on solar if you aren't already on self consumption mode.
They've opened up a ticket to reset my settings and remove charge on solar.
They've opened up a ticket to reset my settings and remove charge on solar.
Apparently energy support didn't realize you can turn off charge on solar from the car itself. I disabled it for this location and the powerwalls immediately started discharging at the home demand rate.
No. It needs internet because all the control algorithms are in their servers, and they access the Tesla API for data.
Yep, I also can confirm my system was working perfectly fine for TBC with CoS too. So @sorka i guess it’s not consistent across the board. My big issue is it discharges too fast, and doesn’t save anything in the PW above reserve for the mid-peak, or even in some cases peak(!?), but that’s a different issue not related to CoS i believe.
Same here. Only visible in car (if disabled) but visible both in car and app if enabled.
I can confirm just uninstalled and reinstalled app and charge on solar shows up. not sure if less invasive option would also work. but I was very annoyed trying to get it to show up.
Looks like a key was added to both my Y and to the gateway, guessing that is used for authentication so they can talk to each other to get real time info. The FAQ page says they are working to support older models, but makes sense models without bluetooth key support won't work with their current implementation.
phsoccer
Member
The car was finally updated last night, so I guess I'll have to wait a couple of days for the communications to work its way through the system before seeing Charge on Solar. I did notice that my SPAN panel lost communications with my Tesla system. I hope this is not related to the new software.
phsoccer
Member
The one change I was not expecting was the car has a new recommended charge limit. Before, it said charge daily to 90%, but with this update, it now says only charge to 80%. That is what I usually charge to, but I will occasionally go to 90% if I'm generating excess solar and need a place to put it.
phsoccer
Member
So, it's August in Texas with no clouds, over-105, and an unstable Texas grid. That means that Oncor is paying me ridiculous money for my excess solar. This last week, starting at 2:00 everyday, I've been getting anywhere from $0.50 to $3.00/kWh. At these rates, I can't afford to waste the excess charging the car. I just charge after midnight when the rate is only $0.11/kWh. Tesla Electric give me 90% of the price they get for my excess.
Maybe I can test the charge on solar this fall.
Maybe I can test the charge on solar this fall.
Yes, that was a change in the latest FW’s…not due to CoS, but I guess generally their data is showing for certain cars to reduce SoC on a regular basis. I assume they are modeling how the fleet will age when it comes to warranty payments.
phsoccer
Member
Until mid-July, I was only getting about 2-3 cents/kWh, but it has gone crazy recently. Might as well ride it for as long as it lasts because I assume everything changes back after Labor Day.
Not ideal for battery longevity to charge to 90% unless you're going to use it immediately upon reaching that SOC.
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