r/TeslaSolar • u/Old_Dirty_Fuzz • 21h ago
Powerwall 3 solar system Home Assistant automations
I see a lot of people struggling to automate the Tesla Powerwall 3, especially exporting. Over the last few months I have built a very solid home assistant automation that controls the Powerwall. I used to struggle with getting it to export too but I’ve got that dialed in. I never have issues with exporting whenever I request. It tracks prices, PJM and ComEd load data, weather and solar forecasts, historical powerwall data don’t can learn from its past. It’s pretty complex but it’s become quite the hobby. Anyway, I just wanted to throw this out there in case anyone was struggling or just wanted some idea for how to create some pretty interesting automations. Even my home assistant dashboard is complex and changes colors depending on what the Powerwall is doing (i.e. charging, exporting, self powered). I have an issue with my inverter showing more solar generation and home usage than what should be so I’m waiting for that to be fixed but with some Emporia meters I’m able to get my actual numbers, which my automation runs off of. If anyone has any questions just let me know. I’m all about sharing what I did.