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Welcome to the slimmemeter wiki!
Why slimmemeter. Well the digital meters are sometimes also called smart meters or slimme meter in Dutch and the module to read the data from it is called slimme lezer (smart reader), so I decided to call this slimmemeter...
Since a week I have 3 digital meters from Fluvius (Belgium): Electricity, gas and water.
As a computer geek and developer, I really wanted to see this information in homeassistant which I already used for several other things.
After doing some research how to do this I chose to use the slimmelezer from https://www.zuidwijk.com/product/slimmelezer-plus/ It reads the data from the digital meters (ie it reads it from the electricity meter but the gas and water meter sends their info to the electricity meter so via this one connection all data can be read) and the slimmemeter which is connected to the P1 connector of the digital meter reads this data and sends it via wifi over my intranet to homeassistant. Note that in Belgium, the digital meter does not send it's data by default. This must enabled on the fluvius website.
I had several emotional states with this adventure. Starting very fast with YES, it works, then with o wait, what about gas usage, it's saying NA (not available) then with water usage, hé it's totally not there... Reading all pages from https://www.zuidwijk.com/product/slimmelezer-plus/ and a lot of comments written there to solve this, not understanding how you must use that configuration yaml file, trying stuff, thinking at a certain point that I broke the slimmemeter to hé wait, it can be done like this and oh wait that is how it works, until I got the AHA moment, it all works!
So, I decided that I have to write down all this information that I gathered in the last week because I am going to forget this and other people can for sure also use this information.
So, this repo not only contains a couple of files to do the job, it is especially also a description about the digital meter, the slimmelezer module to read its data and send it to homeassistant and what I had to do to make it 100% work.
As already stated, I am from Belgium, so this is focused on the Belgium smart meter and especially the changes I had to do to make the water readout possible are only for Belgium, but I am sure there will be also a lot of useful information for people from other countries also to start with it.
Here some printscreens of the end result in homeassistant:
