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diy solar

Wifi connection to SMA Sunny Boy 8000US

Russ Warrick

New Member
Joined
Aug 17, 2025
Messages
2
Location
Tucson, AZ
I recently purchased a house with a previously installed Solar City/Tesla owned system that has a SMA Sunny Boy 8000US Inverter. I have tried to connect to it with no success. When going out to the SMA website the new app doesn't work and I can't create an account due to the new app required fields there is no information for. Tesla customer service sucks and not responding to my messages.
The wifi module is on the left in the first photo. It looks like it might be a zigbee device and can connect to it if I get a zigbee router, but that is something I have knowledge about.
I also have questions about how much power the system is producing. My power bill has still been almost $300.00 per month. It has been over 100 degrees every day so the AC has been running almost constantly. We also have a pool with a variable speed pump that runs on program 24/7. During the day we don't use lights at all due to skylights. You can see in the photo that there are 39 panels on the roof (house on corner lot). I would think that having that many panels there would be enough power production to more than cover those things. There is only a few appliances that consume phantom power.
I found in the updated agreement with Tesla that it is a 9.36kW system. That makes the panels roughly 240 watt if I'm doing the math correctly.
Any help is greatly appreciated. I'm new to most of this and trying to learn.

Thank you,
Russ
 

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I would consider installing an emporia vue system in your main electric panel. It will give you data on exact solar production as well as electric use on as many circuits (up to 16) as you would like to monitor. You will know how much the AC is using and the pool etc. Its about $200 and can be installed DIY if you are handy.
 

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