Adding Victron Multiplus as an inverter #798
Replies: 7 comments 6 replies
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I just came here to see if anyone has done this. I have a lot of control over my MPII from HA for saving sessions and such already but would like to get PredBat working and move to Agile. I'm somewhat struggling to understand the documentation in whats required for non-Giv inverters. It looks like I already have a lot of HA entities for whats required (house/car/solar/export/etc) for a template but struggling to stitch it together. |
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+1 for me.. i am now using the Victron ESS/DESS but would like to take it into HA |
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+1 for me too. I'm surprised Victron isn't supported, |
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It needs someone with a Victron inverter to work out what the entities for SoC, current state, discharge rate, etc and control commands are to charge, discharge, hold charge, etc. There's at least 4 people here who have Victron inverters, the author of Predbat doesn't, so it's really up the community to work it out. This is how all the non-GivEnergy inverters have been added Instructions on adding a new inverter type are in the documentation https://springfall2008.github.io/batpred/inverter-setup/#. The formatting has got messed up, but it starts half way through the Sigstore entry: https://springfall2008.github.io/batpred/inverter-setup/#sigenergy-sigenstor |
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Did someone already got this working. If so please share the yaml to show the entities we need to use....eg with latest HA integration that talks to Victron over MQTT |
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Yes, I am reporting Victron via MQTT now... adding the sensor in config yaml (the one you use) .. to now the sensor to read i use mqtt-explorer... pretty easy AC Current NET
AC Loads
DC Loads
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I’ve started testing Victron integration in Predbat, and I’m also running it alongside my existing SolarEdge setup. I’ll raise a proper ticket soon and share the YAML once it’s tidied up, but here’s a quick overview of what I’ve done so far. Existing setup (before Victron):
New setup (Victron system):
I’m running the MultiPlus in ESS mode, with only the AC In connected for testing at the moment. I’ve used the [Victron MQTT integration](https://github.com/tomer-w/ha-victron-mqtt) to bring data into Home Assistant. For Predbat, I used the existing To control the inverter, I created a select list in Home Assistant with three options:
Each option sets a specific AC set-point through the Victron MQTT integration:
It’s currently running alongside my SolarEdge setup and appears to be working well for charge and discharge control. I’m still seeing a few log warnings — things like “Out of range index 1 within item” — which might be related to how I’ve combined the charge/discharge commands with the SolarEdge control. |
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Victron Multiplus and other inverters have an integration to Home Assistant already and also have available MQTT and Modbus over TCP interfaces. Would it be possible to add this to a development queue for future integration? I have implemented predbat with GivTCP and GivEnergy for friends but developing an integration is not something I can do!
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