Home Assistant Energy Tariff Sensors

Description

This repository contains the configuration for Home Assistant sensors that dynamically determine the current electricity tariff (day or night) and the time remaining until the next tariff change. These sensors can be seamlessly integrated into your dashboard, providing real-time updates.

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Contents

• configuration.yaml:

  • Contains a reference to an external folder with sensor files:

    sensor: !include_dir_merge_list sensors/

• sensors/ folder:

  • Contains energy_tariff_sensors.yaml, which defines two sensors:
    1. sensor.energy_tariff – Identifies the current tariff (Night or Day) based on the time, day of the week, and public holidays.
    2. sensor.time_to_tariff_change – Calculates the time remaining until the next tariff change (e.g., "4h 30m").

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Features

1. sensor.energy_tariff

• Displays the current tariff as Night or Day.
• Takes into account:
  • Night hours: 22:00–6:00.
  • Midday night tariff on weekdays: 13:00–15:00.
  • Weekends and public holidays (e.g., January 1, August 15).
• Automatically changes the icon based on the tariff:
  • Night tariff: mdi:moon-waning-crescent.
  • Day tariff: mdi:weather-sunny.

2. sensor.time_to_tariff_change

• Calculates the time remaining until the next tariff change:
  • From night to day: at 6:00 or 15:00.
  • From day to night: at 22:00 or 13:00.
• Displays the result in the format Xh Ym (e.g., "2h 15m").

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How to Use

1. Copy the files to your Home Assistant configuration folder:

   • Place configuration.yaml in the root directory.
   • Create a folder named sensors and add the energy_tariff_sensors.yaml file inside it.

2. Validate the configuration:

   • In Home Assistant, go to Settings → System → Check Configuration.

3. Restart Home Assistant:

   • Go to Settings → System → Restart.

4. Add the sensors to your dashboard:

   • sensor.energy_tariff – Displays the current tariff.
   • sensor.time_to_tariff_change – Displays the time until the next tariff change.

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Dashboard Examples

Entity Card

type: entities
entities:
  - entity: sensor.energy_tariff
    name: Current Energy Tariff
  - entity: sensor.time_to_tariff_change
    name: Time to Tariff Change

Dynamic Markdown Card

type: markdown
content: >
  {% if states('sensor.energy_tariff') == 'Night' %}
    **Night tariff is active** 🌙  
    Time until day tariff: {{ states('sensor.time_to_tariff_change') }}
  {% else %}
    **Day tariff is active** ☀️  
    Time until night tariff: {{ states('sensor.time_to_tariff_change') }}
  {% endif %}

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Requirements

• Installed Home Assistant.
• Basic knowledge of YAML configuration.

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Contribution

If you have ideas for improvements or encounter any issues, feel free to open an Issue or submit a Pull Request.

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License

This project is licensed under the MIT License. See the LICENSE file for details.