Measure your real-time energy and water usage in Home Assistant

Gain real-time insights into your energy and water consumption, fully integrated with Home Assistant and DSMR Reader. Easily connect the kit via WiFi or Ethernet, with optional PoE support. Monitor your electricity, gas, and water consumption and visualize trends by the hour, day, month, or year. Additionally, the kit measures temperature and humidity in the respective space. Everything you need for a comprehensive view of your consumption and living environment.

Made for
"Discover the WaterP1MeterKit:
A meticulously handcrafted Dutch creation, fully developed and designed to meet your needs.
Specifically designed for Home Assistant & ESPHome:
The Water Meter Kit is specially designed to seamlessly integrate with Home Assistant & ESPHome.

Convert your analog water meter to a digital version.

Make the transition to digital with the Water Meter Kit: Convert your analog water meter and get real-time insights into your water usage. Monitor precisely how much water you use in daily activities such as bathing, hand washing, and showering."

Washing Machine
Garden Irrigation
Swimming Pool
Kitchen Faucet
Bathroom Faucet
Garden Hose

Home Assistant

Make your DSMR meter even smarter and more insightful.

Upgrade your smart home with the P1MeterKit. Get a complete digital overview of both your electricity and gas consumption by reading your DSMR meter with our kit. Monitor precisely how much electricity and gas you consume during daily activities, such as running the washing machine, dryer, using lighting, the heat pump, and more.

Washing Machine
Heat Pump
Electric Kettle
Bike Charger
Electric Heating Boiler
Electric Car

Home Assistant

DSMR Reader

Fast and Easy Installation

Easily place the WaterP1MeterKit and integrate it with most existing smart energy meters with a P1 port, as well as analog water meters from well-known brands like Actaris, Elster, Honeywell, Itron, and Sensus.

With a simple step, attach the provided adapter to your water meter. The energy meter should have a P1 port and DSMR/ESMR 5.0 support. Simply connect the included RJ12 cable to this P1 port. Then, connect the WaterP1MeterKit via Ethernet (with optional PoE support) or Wi-Fi, after which Home Assistant will automatically and seamlessly detect and integrate the device.

Check the list below to see which water meters and energy meters are compatible with our WaterP1MeterKit. It's important to note that Elster may also be found under the Honeywell brand, and Itron may also fall under the Actaris and Schlumberger brands.

Compatible watermeters

Is my watermeter compatible?




Compatible energy meters

Is my energy meter compatible?


Accurate Energy and Water Monitoring with Smart Automations in Home Assistant

Enhance your Home Assistant with a powerful and seamless integration that monitors both your energy and water consumption. With our WaterP1MeterKit, which can be connected via Ethernet and optionally offers PoE support, you gain real-time insight into your current energy usage and water consumption in liters per minute. Analyze and compare your energy and water usage over days, weeks, months, and years. Not only can you track your consumption live as devices are activated, but you can also set up advanced automations based on both your energy and water consumption. Thanks to the Home Assistant Energy Dashboard, you'll always stay informed about your consumption data and can easily review it.

Quote author 02
"The WaterP1MeterKit has exceeded my expectations! In a market filled with smart devices, this product truly stands out as unique. The fact that I can measure both my energy and water consumption with a single device is fantastic. The Ethernet connection ensures stable data transfer, and thanks to the PoE feature, I don't have to worry about additional wiring for power. The whole system is seamlessly integrated into my Home Assistant. A brilliant addition to my smart home!"
Home Assistant App

Frequently Asked Questions

What exactly is the WaterP1MeterKit?

The WaterP1MeterKit is an advanced device that monitors both your water consumption and reads the P1 port of your smart energy meter, providing insight into your total energy and water consumption.

Is the WaterP1MeterKit compatible with all smart meters and water meters?

The WaterP1MeterKit is designed to fit most common analog water meters and smart meters in the Netherlands. For a complete list of compatible meters, please refer to our website.

How do I install the WaterP1MeterKit?

Place the supplied adapter on your water meter and connect the P1 cable to your energy meter. Then connect the kit to wifi or ethernet, and Home Assistant will automatically detect the device.

Can I monitor both my water and energy consumption in real-time?

Absolutely! The WaterP1MeterKit provides real-time insight into both your water and energy consumption.

What software is required for the WaterP1MeterKit?

The kit integrates seamlessly with Home Assistant, allowing you to monitor and manage all your consumption data.

How does the ethernet and PoE support of the WaterP1MeterKit work?

The WaterP1MeterKit can be connected via ethernet for a more stable connection. If you want to use PoE (Power over Ethernet), you can select this option on the product page and add a PoE splitter to send both power and data over a single cable. This makes installation even easier and neater. Ethernet and power are then via the separately supplied PoE adapter where you plug in an incoming PoE cable.

Can I receive notifications for notable consumption patterns?

Yes, in combination with Home Assistant, you can set up notifications for specific consumption peaks or other parameters.

Are there recurring costs associated with the WaterP1MeterKit?

After purchasing the kit, there are no monthly fees. You only need an active Home Assistant installation.

How does the WaterP1MeterKit ensure the safety and privacy of my data?

Your privacy is crucial to us. All data is only transmitted and stored within your own network unless you choose to share it with external services.