My powermeasurement setup doesn't work

@fribse wrote:

Hi All

I’ve gotten all my sensors to show some sort of daily usage.
I’ve created a sensor to hold yesterdays usage:

input_number:
  yesterday_powerusage:
    name: Samlet forbrug for i går
    min: 0
    max: 20
    mode: box
    unit_of_measurement: kWh
    icon: mdi:flash-outline

I created an automation to notify about the usage, which runs just before midnight:

- id: '1577539305551'
  alias: Rapportér dagligt forbrug
  description: ''
  trigger:
  - at: '23:59:50'
    platform: time
  action:
  - service: persistent_notification.create
    data_template:
      title: Strømforbrug
      message: 'Samlet forbrug for dagen: {{ states(''sensor.total_daily_power'')
        }} {{ state_attr(''sensor.total_daily_power'',''unit_of_measurement'') }}'
  - service: input_number.set_value
    data_template:
      entity_id: input_number.yesterday_powerusage
      value: '{{ states(''sensor.total_daily_power'')|float }}'

Then the sensors to hold the sums.
One is supposed to hold todays sum, as far as it has gotten for today.
The other is supposed to hold the usage from yesterday.

      total_daily_power:
        friendly_name: Samlet forbrug for i dag
        unit_of_measurement: kWh
        value_template: "{{ states.sensor|selectattr( 'entity_id','in',state_attr('group.daily_power_usage','entity_id')) | rejectattr('entity_id', 'equalto', 'sensor.power') | map(attribute='state')|map('float')|sum|round(3) }}"
        device_class: power
      total_daily_power_yesterday:
        friendly_name: Gårsdagens strømforbrug
        unit_of_measurement: kWh
        value_template: "{{ states('input_number.yesterday_powerusage') | float }}"
        device_class: power

Most of this works very well, I get a notification every night about the usage of the day.
The problem is that when I look at the usage the day after, it looks like this:

forbrug1265×900 344 KB

As you can see the ‘today’ usage, shows the ‘yesterdays usage’, and is not a sum of todays usage.

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