2025.12.0
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Anglian Water

The Anglian Water integrationIntegrations connect and integrate Home Assistant with your devices, services, and more. [Learn more] is used to integrate with the smart meters of Anglian Water.

Supported devices

  • Smart water meters
  • Enhanced smart water meters

Unsupported devices

The following devices are not supported by the integration:

  • Basic water meters that require manual readings

Configuration

To add the Anglian Water integration to your Home Assistant instance, use this My button:

Manual configuration steps

If the above My button doesn’t work, you can also perform the following steps manually:

  • Browse to your Home Assistant instance.

  • Go to Settings > Devices & Services.

  • In the bottom right corner, select the Add Integration button.

  • From the list, select Anglian Water.

  • Follow the instructions on screen to complete the setup.

Username

The username / email used to login to your Anglian Water account.

Password

The password used to login to your Anglian Water account.

Account number

If a valid smart meter is not associated with the default billing account linked to your Anglian Water login, please have your latest bill handy. You will be asked to provide the account number found at the top.

Supported functionality

The Anglian Water integration provides the following entities.

Sensors

  • Latest reading

    • Description: Latest reading of your smart water meter.

  • Yesterday cost

    • Description: The total cost of yesterday’s water consumption.

  • Yesterday consumption

    • Description: Yesterday’s total water consumption in litres (this may not update until after 12pm).

Data updates

The Anglian Water integration pollsData polling is the process of querying a device or service at regular intervals to check for updates or retrieve data. By defining a custom polling interval, you can control how frequently your system checks for new data, which can help optimize performance and reduce unnecessary network traffic. [Learn more] data from the service every 60 minutes by default.

Known limitations

Data is delayed by up to 24 hours (and can even last longer if there are issues with the smart metering service).

Home Assistant will only poll the API for new data once every 60 minutes as your smart meter does not frequently report changes.

Yesterday’s cost sensor is provided by Anglian Water, as of 25th November 2025 this does not include standing charges or sewerage costs.

Troubleshooting

Readings are not updated

This can happen if the smart metering service is experiencing capacity problems or an outage. Check the Anglian Water website before logging an issue.

Smart meter unavailable

This means that the account number detected (or provided) does not have an active and supported smart meter and therefore cannot be used with this integration.

Removing the integration

This integration follows standard integration removal.

To remove an integration instance from Home Assistant

  1. Go to Settings > Devices & services and select the integration card.
  2. From the list of devices, select the integration instance you want to remove.
  3. Next to the entry, select the three dots menu. Then, select Delete.