CO2 Signal
The co2signal sensor platform queries the CO2Signal API for the CO2 intensity of a specific region. Data can be collected for your home, a specific latitude/longitude or by country code. This API uses the same data as https://www.electricitymap.org. Not all countries/regions in the world are supported so please consult this website to check local availability.
Prerequisites
To configure and use this integration, you need to obtain a free API key from CO2Signal.
Configuration
Adding CO2 Signal to your Home Assistant instance can be done via the user interface, by using this My button:
If the above My button doesn’t work, you can also perform the following steps manually:
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Browse to your Home Assistant instance.
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In the sidebar, select Settings.
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From the configuration menu, select Devices & Services.
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In the bottom right, select the Add Integration button.
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From the list, search and select CO2 Signal.
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Follow the instructions on screen to complete the setup.
Sensor Types
When configured, the platform will create two sensors for each configured location: the carbon intensity expressed in gCO2eq/kWh and a percentage how much the grid relies on fossil fuels for production.