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I have had exactly this issue since Day 1 on solar data coming from my Tesla gateway. It is clearly a miscalibrated CT on the solar power production in the Tesla gateway. Grid is dead on with smart meter, but solar is 100% consistently a very linear 5.4% *higher* than the power reported by the...

Very cool dashboard. I can totally see a quicklook dash-board as a great tool, so feels like time soon to dive into HA. Pretty sure it was the Home Assistant forum where I found some good leads on people doing Span integration through a pilot API, so that may help solve that, too? Good also to...

Thanks. Will definitely look into Emporia Due and PVWatts. Now that I've got data, its quite the enticement to dive in deeper!

@offandonagain : One quick return to offer thanks once again. Took me a while to figure out an annoying time zone problem (your script now delivers data in my local time zone instead of UTC), but all good and working now. Going to be SO MUCH easier to not have to do that manual daily download...

Fabulous! Thanks! I will just remove the old directly since Im starting clean. Onward to tweak the R script today...

@offandonagain: One comment... in the downloads I used to grab from the app, the .csv files also had a battery charge status level data curve (as % of of full). I was using this to estimate and track round trip energy efficiency by comparing with power flows. It was a minor pain as it was only...

@offandonagain: Before I forget, just wanted to thank you for this python script. Had some trepidation as a non-programmer, but with a little patience, your readme file got me through all that I needed to download and install both Python 3 and git, and then through my first successful download...

I am on MacOS, but am guessing will still work similar. Thanks again.

offandonagain, Thanks! I've managed to develop a lengthy R script to handle and chart all of my data here, but am still pretty much a novice at it. But maybe I can use Python for download? I'll take a look and see if I can figure it out? Russ

Somewhere in the mobil app update in mid-July, the downloaded data for both Powerwall and Grid does not contain negative values (indicative of charging and export respectively). The data is clearly still present and charted in the app itself, just that all negative values are set to 0 in the...