I have 85+ Shelly devices in my house controlling lights, switches; measure power consumption. I have them all integrated in Home Assistant together with Sofax for my solar panels and P1 monitoring my power meter.
In a quest to find all non monitored usage in the house, I created a template sensor to add up all Shelly Power values.
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- trigger:
- platform: time_pattern
seconds: "/15"
sensor:
###### Verbruik van alle Shelly devices #####
- name: "Verbruik in huis - Shelly"
unique_id: d8b9285a-7723-447d-85b5-cfe4bfba396d
device_class: power
state_class: measurement
state: "{{ expand(integration_entities('shelly')) | selectattr('attributes.device_class','defined') | selectattr('attributes.device_class','==','power')| selectattr('attributes.state_class','defined') | selectattr('attributes.state_class','==','measurement') | selectattr('state', '!=', 'unavailable') | map(attribute='state') | map('float') | list | sum | round(0)}}"
unit_of_measurement: "W"
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The nice way of this is, regardless of the amount of Shelly devices I have, it just adds up the vales of the power consumption reported at that time.
expand(integration_entities('shelly')): Only select the Shelly devices
selectattr('attributes.device_class','==','power'): I just need the Power to be reported
selectattr('state', '!=', 'unavailable'): Ingore all unavailable sensors.
I also created a second sensor that calculates the non monitored usage in house. Based on the measured usage by my Solar invertor (Sofax modbus) and my measurement with Shelly.
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###### intern verbruik niet gementen, verschil tussen Sofar en Shelly #####
- name: "Verbruik in huis - Niet gemeten"
unique_id: 61c6f07c-2d64-4fab-8a10-c31f641f9a12
unit_of_measurement: W
device_class: power
state_class: measurement
state: "{{(states('sensor.verbruik_in_huis_solax') | float(2) - states('sensor.verbruik_in_huis_shelly') | float(2)) | round(0) }}"
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These results are combined in my dashboard.
I now just need to find out where the 114W is used in the house...
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