Has anyone been able to get Charge on Solar working? Even with what we think is the correct setup, our car always charges to the max.
These are the steps we went through to set up our Model 3:
In Model 3 settings:
1) Click the three horizontal bars under Charging
2) Click on "Charge on Solar"
3) In the next screen, we set Charge to 40% from any source and Charge to 90% while excess solar is available.
4) Under "Available Solar" at the bottom, the Powerwall/gateway we want to charge off solar says "Unpair" (meaning it should be paired already). Note that we have three options here as we have three Tesla gateways, one at this property where we want to charge off solar and two others at another property where we are currently not trying to charge off solar (although we may want to in the future). We have not paired the Model 3 with the gateways at the other property.
5) Under "Schedule" - we turned off all settings under "Departure" and "Charge".
In Powerwall Settings:
1) Click "Settings"
2) Click "Vehicle Charging"
3) Setting says 75% for Home Use and 25% to share with vehicle (this should only be for grid outage situations)
4) Under "Charge on Solar", there is a little white car and to the right it says "Paired >" (meaning this should be paired as well)
When we plug the Model 3 in to charge (during non-peak midday), the car will ramp up and pull a full 48 amps regardless, thereby consuming whatever excess solar we are producing along with pulling the rest from the grid. We have about a 12 kW solar system, and it typically runs well above 1.2 kW during the day (but not as high as the car can charge).
A couple things about our setup that might be different from a more standard setup:
(a) We have two of the original "Elon Musk Limited Edition High Power Wall Chargers" in series (so we can charge two Tesla's at once - our other car is a 2014 Model S not capable of Charge on Solar at the moment). Only one car was plugged into one HPWC when I have done the testing.
(b) We have solar/battery set up at two properties (and the second property has two gateways because we had to split our 400 amp service into two 200 amp gateways)
(c) The Model 3 "Home" address in the navigation system is currently not set to the address where we are attempting to charge on solar. This car is usually at our other address where we have the two gateway setup. Could this make a difference? If so, then is there a workaround to get the Charge on Solar to work at both addresses because we can't have two "Home" addresses programmed into the car's navigation system.
Other than the above, I have no idea why this won't work.
We basically would like it to work this way: plug the car in with setting set to "Charge on Solar", then when the sun comes up in the morning, we would like to charge the batteries first (from the energy used during peak time from the day before), and then charge the car on whatever excess solar we have once the batteries are charged (which would have previously been sent back to the grid) until we hit peak time. If the car hasn't fully charged when we reach peak time, we would like to send all solar back to the grid (and stop vechicle charging because this is when we get the most credits), then resume charging the car next day after the sun comes up and the batteries are charged. Rinse and repeat.
Not sure if this is how the system is supposed to work,, but any help would be greatly appreciated. I can send screenshots, if needed.
These are the steps we went through to set up our Model 3:
In Model 3 settings:
1) Click the three horizontal bars under Charging
2) Click on "Charge on Solar"
3) In the next screen, we set Charge to 40% from any source and Charge to 90% while excess solar is available.
4) Under "Available Solar" at the bottom, the Powerwall/gateway we want to charge off solar says "Unpair" (meaning it should be paired already). Note that we have three options here as we have three Tesla gateways, one at this property where we want to charge off solar and two others at another property where we are currently not trying to charge off solar (although we may want to in the future). We have not paired the Model 3 with the gateways at the other property.
5) Under "Schedule" - we turned off all settings under "Departure" and "Charge".
In Powerwall Settings:
1) Click "Settings"
2) Click "Vehicle Charging"
3) Setting says 75% for Home Use and 25% to share with vehicle (this should only be for grid outage situations)
4) Under "Charge on Solar", there is a little white car and to the right it says "Paired >" (meaning this should be paired as well)
When we plug the Model 3 in to charge (during non-peak midday), the car will ramp up and pull a full 48 amps regardless, thereby consuming whatever excess solar we are producing along with pulling the rest from the grid. We have about a 12 kW solar system, and it typically runs well above 1.2 kW during the day (but not as high as the car can charge).
A couple things about our setup that might be different from a more standard setup:
(a) We have two of the original "Elon Musk Limited Edition High Power Wall Chargers" in series (so we can charge two Tesla's at once - our other car is a 2014 Model S not capable of Charge on Solar at the moment). Only one car was plugged into one HPWC when I have done the testing.
(b) We have solar/battery set up at two properties (and the second property has two gateways because we had to split our 400 amp service into two 200 amp gateways)
(c) The Model 3 "Home" address in the navigation system is currently not set to the address where we are attempting to charge on solar. This car is usually at our other address where we have the two gateway setup. Could this make a difference? If so, then is there a workaround to get the Charge on Solar to work at both addresses because we can't have two "Home" addresses programmed into the car's navigation system.
Other than the above, I have no idea why this won't work.
We basically would like it to work this way: plug the car in with setting set to "Charge on Solar", then when the sun comes up in the morning, we would like to charge the batteries first (from the energy used during peak time from the day before), and then charge the car on whatever excess solar we have once the batteries are charged (which would have previously been sent back to the grid) until we hit peak time. If the car hasn't fully charged when we reach peak time, we would like to send all solar back to the grid (and stop vechicle charging because this is when we get the most credits), then resume charging the car next day after the sun comes up and the batteries are charged. Rinse and repeat.
Not sure if this is how the system is supposed to work,, but any help would be greatly appreciated. I can send screenshots, if needed.
