alandtse/tesla

Powerwall - Electricity Pathway Data

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#518 opened on Feb 22, 2023

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enhancementgood first issuehelp wanted

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Description

Is your feature request related to a problem? Please describe. I'm trying to calculate savings made by using the battery and solar on my house, and for this I need to use information such as the number of KW's going from: Grid To Battery, Grid to House, Solar to Battery, Solar to House, Solar to Grid, Battery to House and Battery to Grid. Currently I need to create some somewhat clunky sensors that try to figure out that detail.

Describe the solution you'd like I don't know if it would be possible from the API, but I was hoping there might be a way to create reliable sensors for the following:

  • Grid (Site) to Battery Now
  • Grid (Site) to House (Load) Now
  • Solar to Battery Now
  • Solar to House (Load) Now
  • Solar to Grid (Site) Now
  • Battery to House (Load) Now
  • Battery to Grid (Site) Now

Describe alternatives you've considered As above, I have tried creating some template sensors for the above, using some calculations using the currently available "Now" sensors. Which work to a certain point, though are not 100% accurate

Contributor guide

Research direction
Investigate the Tesla Powerwall API documentation to identify endpoints that provide power flow data. Understand the Home Assistant sensor creation process and implement new sensors for each path (grid to battery, solar to house, etc.) using available API data.
Tech stack
python
Domain
backendapi
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Home AssistantTesla API
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60