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Implementation of Dutch Smart Meter over modbus TCP/IP - #3906

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Implementation of Dutch Smart Meter over modbus TCP/IP#3906
Byonnem wants to merge 1 commit into
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Byonnem:adding-Dutch-Smart-Meter-(DSMR5.0)-over-modbus-TCP-IP-support

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@Byonnem

@Byonnem Byonnem commented Aug 23, 2026

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In the Netherlands, all smart meters are equiped with a 'P1' port. There are several generic TCP/IP converters available to implement smart home systems and this is widely adopted with tools like homeassistant and Homey. The aim of this pull is to improve accessability to OpenEMS for the dutch (and Belgium and Danish) market. The included component docs provide more context on how this should be setup. This meter component is not hardware vendor specific, as long as the modbus address table as listed in the doc is obeyed to.

Any feedback on code quality is more then welcome, I'm just an amateur with some vibecoding skills. I should stick to hardware & high voltage ;)

kind regards,

Menno Spitteler

In the Netherlands, all smart meters are equiped with a 'P1' port. There are several generic TCP/IP converters available to implement smart home systems and this is widely adopted with tools like homeassistant and Homey. The aim of this pull is to improve accessability to OpenEMS for the dutch (and belgium and danish) market.
The included component docs provide more context on how this should be setup. This meter component is not hardware vendor specific, as long as the modbus address table as listed in the doc is obeyed to.

Any feedback on code quality is more then welcome, I'm just an amateur with some vibecoding skills. I should stick to hardware & high voltage ;)

kind regards,

Menno Spitteler
@codecov

codecov Bot commented Aug 23, 2026

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Codecov Report

✅ All modified and coverable lines are covered by tests.

❗ There is a different number of reports uploaded between BASE (1d59784) and HEAD (054308f). Click for more details.

HEAD has 1 upload less than BASE
Flag BASE (1d59784) HEAD (054308f)
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Additional details and impacted files
@@              Coverage Diff               @@
##             develop    #3906       +/-   ##
==============================================
- Coverage      55.42%   28.31%   -27.11%     
==============================================
  Files           3624      404     -3220     
  Lines         169393    12896   -156497     
  Branches       13987     2326    -11661     
==============================================
- Hits           93875     3650    -90225     
+ Misses         71799     9085    -62714     
+ Partials        3719      161     -3558     
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