Arthur D'antonio

Monitoring Tesla Powerwall
via macOS Menubar!

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ARTHUR D'ANTONIO

Monitoring Tesla Powerwall via macOS
Menubar!

TMonitor.app is a macOS menubar utility that lets you see information about
your Powerwall system(s) at a glance. I made this to scratch my own itch --
speci cally, I wanted to be able to view data about multiple Energy Sites and
see a small slice of historical data (yesterday & last month). [Arthur D'antonio
III]

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ARTHUR D'ANTONIO

Download TMonitor-0.2.9-mac.zip (77.9MB)
Important Notes
Currently macOS only -- tested on macOS 12.13.1 though should be resillient
(+/-).  Autoupdate is ON and currently cannot be disabled; I'll eventually add a
boolean option. If the app spontaneously restarts that just means newer
version(s) were released.

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ARTHUR D'ANTONIO

MFA is not yet supported.
It IS fully code-signed and notarized.
High Level Caveats / Disclaimer
Some caveats since I'm releasing it for free!

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ARTHUR D'ANTONIO

I can't promise that it will always be free. The version you download will be free,
but I may decide to charge for future versions.
I may even open-source it in the future, who knows. Right now it solves my
"current need" but that may change over time. [Arthur D'antonio]

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ARTHUR D'ANTONIO

I can't promise that I continue to maintain it, though I do wholly intend to
since I use it every day across all of my macOS machines!
Tesla's Multi-Factor Auth (MFA) is NOT yet supported -- likely will add
support in the future.
If you encounter bugs, please let me know -- I can't promise a x but I'll
certainly try my best to get it xed.

TMonitor currently always has auto-updates ENABLED and they can't be
turned o right now. This is so I can ship xes to all my computers without
any fuss.

The app has no analytics, doesn't phone home, etc -- the update check
simply pings an AWS S3 bucket, to see if a newer version is available and, if
a new version is available it is downloaded immediately & then the
application will auto-restart into the new version. 

If you DO NOT want this behavior then the only way to turn it o , right now, is
to block external connections to non-Tesla servers by TMonitor.app -- it'll
continue working without issue.

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ARTHUR D'ANTONIO

Tech Stack
TMonitor.app was made to satiate my thirst for data & monitoring capabilities -
- though I also chose some tech that I wanted to play with so that I could learn
things along the way. Those decisions have some drawbacks but that's just how
it goes when working on side-projects & trying to kill multiple birds with a single
toss. Here's how TMonitor.app is built:

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ARTHUR D'ANTONIO

Electron JS
Electron Cross-Platform Menubar Sample/Demo
VueJS (Vue 3x)
TeslaAuthJS

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ARTHUR D'ANTONIO

TeslaJS API Helper Lib (custom fork is used because not all energy-related
endpoints are in the upstream repo)
Biggest Downside of the Tech Stack: Filesize
The MAIN major downside here is that the app is "heavier" than is optimal
though it's still quite lightweight; really the main practical drawback, for day-to-
day/consumer use, is that the binary itself is way larger ( lesize) than it needs
to be. 

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ARTHUR D'ANTONIO

It's MUCH larger than the same app would/could be if written in native code,
obviously.
Positive
On the "Plus side" of the coin: it would only take a few hours of work, mainly QA
& visual tweaks, to get the app running on Windows & Linux! :)
Other macOS Tesla Energy 'Monitoring Apps'
There is another tool out there, Powerwall Monitor, which is very good and
performs a similar function. I purchased a license for it and have
corresponded a bit with the developer, who is great & super responsive.
Unfortunately, if you have more than 1 'energy site' (gateway) on your Tesla
account then the Powerwall Monitor app will just "pick" one of the two and
show you data about that one, you can't view aggregated data nor can you
choose which 'Energy Site' you are viewing data for.
That said, it's a much simpler application & performs a nearly identical
function -- though it only shows you information about 'current state' and does
not provide any options for viewing historical data -- it does display the data in
a much nicer layout. [Arthur D'antonio III]
For this project, I was personally all about function-over-aesthetics; in the
future I'll probably improve it further but for now it's highly usable.

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