home-assistant.io/source/_integrations/p1_monitor.markdown

title	description	ha_category	ha_release	ha_iot_class	ha_config_flow	ha_codeowners	ha_domain	ha_platforms	ha_integration_type
P1 Monitor	Instructions on how to integrate P1 Monitor within Home Assistant.	Energy	2021.9	Local Polling	true	@klaasnicolaas	p1_monitor	diagnostics sensor	integration

The P1 Monitor {% term integration %} allows you to gather data from your P1 Monitor device and use it in Home Assistant.

P1 Monitor is a piece of software that can be installed on a Raspberry Pi or other Linux-based system. It reads the data from your smart meter via the serial port (P1), such as your energy consumption, but also that of gas or a water meter.

{% note %} If you’re not using P1 Monitor software, you’re likely looking for the DSMR Smart Meter integration, which connects directly to DSMR-compatible smart meters. {% endnote %}

{% include integrations/config_flow.md %}

{% configuration_basic %} Host: description: The IP address or hostname of your P1 Monitor instance. Port: description: The port number of your P1 Monitor instance. The default port is 80. {% endconfiguration_basic %}

Data updates

The integration will poll your P1 Monitor instance every 5 seconds to update the data in Home Assistant.

Sensors

The P1 Monitor platform mainly provides sensors that you can use in your energy dashboard.

SmartMeter

Read out what your meter readings are for energy consumption/yield, see what your current power consumption is and in which tariff period you are currently.

• Gas Consumption (m3)
• Power Consumption / Production (W)
• Energy Consumption Low/High (kWh)
• Energy Production Low/High (kWh)
• Energy Tariff Period (low / high)

{% note %} By default, the gas consumption entity is disabled. To use it, you need to enable it. {% endnote %}

Phases

See per phase what your voltage, current and power consumption/production is.

• Voltage phases L1/2/3 (V)
• Current Phases L1/2/3 (A)
• Power consumed phases L1/2/3 (W)
• Power Produced phases L1/2/3 (W)

WaterMeter

{% important %} You need to run at least version 1.1.0 of P1 Monitor, to use a water meter. {% endimportant %}

See how much water you consume per day, in total and the number of counted pulses.

• Water Consumption - day (liters)
• Water Consumption - total (m3)
• Pulse Count

Settings

You can use the rates set in P1 Monitor for your calculations in Home Assistant.

• Gas Consumption Price
• Energy Consumption Price Low/High
• Energy Production Price Low/High

Removing the integration

This integration follows standard integration removal. No extra steps are required.

{% include integrations/remove_device_service.md %}