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That's only the case for the early ones - SMETS1 devices.
All suppliers should now be fitting SMETS2 which work seamlessly with the new provider. Apparently, I haven't moved since I got it due to the number of UK suppliers going bust in the last 12 months.
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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Have you checked there is not a port somewhere?
My Dutch meter should be OK - didn't get around to it yet, but as far as I know I just need to cut an old phone cable, hook it up to an ESP-8266, flash the prebuild firmware and hook it up to the DSMR port in the meter to get MQTT readings every few seconds - and then feed that to Home Assistant.
Got a vacation house in Denmark, I am afraid that meter predates the time they had to provide HAN (home area network) ports - but any newer meter should have a port that can be used. Anyone having any ideas on how a meter could accidentally get in a state where it needs replacement?
Or maybe they will replace it if I just keep replying to every bill with "oh, that was an unexpected low consumption, it is as if it does not measure the power going to my weed farm under the roof".
Also trying to get the wM-Bus key out of the district heating. It is a very small village, so I am not convinced they are used to dealing with people wanting the key...
After that the water company is on the list to try to get a wM-Bus key... the meter has a nice alarm if it suspect a leak. It will then display a small icon on a hard to read display in the corner of a dark room 900km away. Could be handy with something a bit more noticeable. Hmm, there is a joke somewhere here with notice posted far away and water needing a towel - but can't quite work it out.
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