Hello, I'm on my 3rd week of activated Solar and Powerwall 2.0
I have 16 Panels on the roof and 1 PowerWall 2.0
When using the Android Tesla app to monitor power flow, when I click on my home icon to view home energy draw/requirement I see HUGE pulsing spikes up to 9.4KWH with very short durations.
Is there a problem with the monitoring equipment?
Basically I do not see the Powerwall, the solar panels, OR the PG&E grid supplying any power to fulfill the requirement that house says it is drawing. This leads me to believe there is a measurement error in the hardware.
after looking at this for 2 weeks the high pulse trend seems to follow the solar production curve, but extends way beyond what my solar or Powerwall can deliver >9.4KWH and the utility is clearly not filling it up due to the graph I see from Grid usage.
it seems like it can be 3 things:
1. app has a bug
2. inverter hardware has an error or malfunction ?
3. My house has an AC problem, shorting etc ?? seems unlikely because the 3 power sources are not actually supplying anything close to the 9.4KWH demand that is being shown in the app.
here are some app screenshots I have taken
https://photos.app.goo.gl/CdF6yFYWbmRjvmER2https://photos.app.goo.gl/aupx4bfkX4TYdoar8https://photos.google.com/share/AF1QipOBOfRKuf9ggyR10oxNCGbXnw7HCV3kmI5CcsITImJ7Wtulbd4brp_O1HjoGhPkDg?key=ME5MbjZtT0l6dldBcjlzZzlFNTJlbXh4Vl91dF9Rhttps://photos.app.goo.gl/UxX62NUEOCSNOEem1https://photos.app.goo.gl/QwhpbtSqBieHMprB3If the power draw being shown for the home in the app is real, I would think I would see an energy source or combination of sources being used to actually supply the demand.
is my hardware defective ?
Comments
Most likely everything is OK and those peaks don't represent real energy use.
I'm a design engineer for a power converter company, so maybe I am just looking too much into this data.
I really just wanted to see if others were experiencing similar un-explained spikes before I actually call Tesla
http://www.priups.com/misc/inverter-spec.htm
Richard
1. I have a tankless water heater, gas powered
2. last night I was thinking it oculd be my central AC & Nest keeping my house cool as the sun rises etc, this kinda explains the spike curve matching the solar production, as it shows the curve of the sun to my house during the day.
So this morning I have shut down my AC system and un-plugged my nest off the wall ( to make sure my kids don't turn it on today) and I will take a look at the spikes today to see if they are different or similar.
I really wish the Tesla app gave more detailed data, I realize it's eye candy suited for most people. but man, lol as an engineer I wish we had more access to high resolution data lol ( rolls eyes)
I'll post back tomorrow with the results from today.
This was with noone home, central air disabled, no electric stove/oven operation, no laundry, no electric car, gas powered tankless water heater.
The duration of the peaks is over minutes. I'm not sure why 1 of the other 3 energy sources are not filling in the demand for those peaks. They must not be real. Time to call the big T
https://photos.app.goo.gl/ZfP53XTZuGwtmdrw2
https://photos.app.goo.gl/oXl7hXjx2vsDIDnI2
This is when I shut the Power Wall to backup only after 12:00
https://photos.app.goo.gl/KeL3WXmCk2XhcmTN9
Good Luck
I suspect you'll have a very hard time getting them to really see the issue and admit there's a problem, but I'd call Tesla, if mine was doing that, and explain logically that spikes and drops to zero for home consumption do not make logical sense. Hopefully they'll send a tech out to investigate.