home-assistant.io/source/_components/utility_meter.markdown

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layout	title	description	date	sidebar	comments	sharing	footer	ha_category	ha_release	ha_iot_class	logo	ha_qa_scale
page	Utility Meter	Instructions on how to integrate the Utility Meter into Home Assistant.	2019-01-02	true	false	true	true	Sensor	0.87	Local Push	energy_meter.png	internal

The utility meter component provides functionality to track consumptions of various utilities (e.g., energy, gas, water, heating).

From a user perspective, utility meters operate in cycles (usually monthly) for billing purposes. This sensor will track a source sensor values, automatically resetting the meter based on the configured cycle. On reset an attribute will store the previous meter value, providing the means for comparison operations (e.g., "did I spend more or less this month?") or billing estimation (e.g., through a sensor template that multiplies the metered value per the charged unit amount).

Some utility providers have different tariffs according to time/resource availability/etc. The utility meter enables you to define the various tariffs supported by your utility provider and accounts your consumptions in accordance. When tariffs are defined a new entity will show up indicating the current tariff. In order to change the tariff, the user must call a service, usually through an automation that can be based in time or other external source (eg. a REST sensor).

{% linkable_title Configuration %}

To enable the Utility Meter Sensor in your installation, add the following to your configuration.yaml file:

# Example configuration.yaml entry
utility_meter:
  energy:
    source: sensor.energy_in_kwh

{% configuration %} source: description: The entity ID of the sensor providing utility readings (energy, water, gas, heating). required: true type: string cycle: description: How often to reset the counter. Valid values are hourly, daily, weekly, monthly and yearly. required: true type: string offset: description: Cycle reset occur at the beginning of the period (0 minutes, 0h00 hours, Monday, day 1, January). This option enables the offsetting of these beginnings. required: false default: 0 type: integer tariffs: description: List of tariffs supported by the utility meter. required: false default: [] type: list {% endconfiguration %}

{% linkable_title Services %}

{% linkable_title Service utility_meter.reset %}

Reset the Utility Meter. All sensors tracking tariffs will be reset to 0.

Service data attribute	Optional	Description
entity_id	no	String or list of strings that point at entity_ids of utility_meters.

{% linkable_title Service utility_meter.next_tariff %}

Change the current tariff to the next in the list. This service must be called by the user for the tariff switching logic to occur (e.g. using an automation)

Service data attribute	Optional	Description
entity_id	no	String or list of strings that point at entity_ids of utility_meters.

{% linkable_title Service utility_meter.select_tariff %}

Change the current tariff to the given tariff. This service must be called by the user for the tariff switching logic to occur (e.g. using an automation)

Service data attribute	Optional	Description
entity_id	no	String or list of strings that point at entity_ids of utility_meters.
tariff	no	String that is equal to one of the defined tariffs.

{% linkable_title Advanced Configuration %}

The following configuration shows an example where 2 utility_meters (daily_energy and monthly_energy) track daily and monthly energy consumptions.

Both track the same sensor (sensor.energy) which continously monitors the energy consumed.

4 different sensors will be created, 2 per utility meter and corresponding to each tariff. Sensor sensor.daily_energy_peak, sensor.daily_energy_peak, sensor.monthly_energy_peak and sensor.monthly_energy_offpeak will automatically be created to track the consumption in each tariff for the given cycle.

utility_meter.daily_energy and utility_meter.monthly_energy entities will track the current tariff and provide a service to change the tariff.

utility_meter:
  daily_energy:
    source: sensor.energy
    cycle: daily 
    tariffs:
      - peak
      - offpeak
  monthly_energy:
    source: sensor.energy
    cycle: monthly
    tariffs:
      - peak
      - offpeak

Assuming your energy provider tariffs are time based according to:

• peak: from 9h00 to 21h00
• offpeak: from 21h00 to 9h00 next day

a time based automation can be used:

automation:  
  trigger:
    - platform: time
      at: '09:00:00'
    - platform: time
      at: '21:00:00'
  action:
    - service: utility_meter.next_tariff
      entity_id: utility_meter.daily_energy 
    - service: utility_meter.next_tariff
      entity_id: utility_meter.monthly_energy