Energy Dashboard: wrong summation of energy production

[rburgst]

The problem

my grid production values are wrongly summarized when I choose the date range 25.7.-31.8.2024. However, the value from 27.7.-31.8. look ok, when I do 25.7.-27.7. all is ok as well. Somewhere there seems to be a wrong aggregation.

• Correct value (<meter value 31.8.>-<meter value 25.7.>) = 1165 kWh
• Shown value: 1870 kWh

What version of Home Assistant Core has the issue?

core-2024.9.1

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant Container

Integration causing the issue

Energy Dashboard

Link to integration documentation on our website

https://www.home-assistant.io/docs/energy/

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

No response

Additional information

No response

[progspont]

Exactly the same problem

[karwosts]

This is duplicate of frontend https://github.com/home-assistant/frontend/issues/18883

When selecting over I think 35 days, it switches to monthly resolution. In monthly view you can only get whole months of data. So your 25 July - 31 August is really "All of July" + "All of August"

[rburgst]

If that is the case then the dashboard should show this in a note to infor the user about this fact. ideally it would still show the correct value. For many measurements it’s simply „take the value of the entity on the end date - the value from the start date“.