Homey

Energy Dongle

Monitor your energy.
Maximize your savings.

Expected shipping in March 2025.

Get real-time insight into your energy usage.

Connect your smart meter to Homey. All wireless.

Plug the Energy Dongle into your smart meter’s P1 port to see your home’s energy usage.

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3D Home Solar panels on the roof EV car in the garage Battery on the wall

Understand your home’s energy behavior.
Get a visual of what’s happening at home. Connect your Solar Panels, EVs, and Batteries to complete the overview.

Works with your smart meter.

The Homey Energy Dongle works with Homey Pro (Early 2023) and Homey Cloud and is compatible with smart meters with a P1 port.

Check compatibility
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Power meter with Homey Energy Dongle

A built-in splitter for another P1 reader.

Even though your smart meter has only one P1 port, the built-in splitter lets you connect another device. Like your EV charger’s P1 input for load balancing.

In the box.

Everything you need to get started.
Including a cable, in case you need to power the dongle externally.

Energy Dongle P1 → Wi-Fi
USB Cable USB-A → USB-C
Manual Quick Start Guide
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Homey Energy Dongle with mobile app

Pre-order Homey
Energy Dongle.

Order the Homey Energy Dongle today for Homey Pro (Early 2023) and Homey Cloud.

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FAQ

What is P1?

P1 is the name of a port on most smart meters installed in Europe. It looks like an old telephone connector (RJ12) but is used to read the smart meter’s energy statistics.

Is my smart meter compatible with the Homey Energy Dongle?

If your smart meter has a P1 port, then most likely! Please refer to this article to learn more about compatible meters.

If your specific P1 smart meter turns out to be incompatible, we will work to add support for it within two weeks or else give you a full refund. So you can always order with peace of mind.

Do I need Homey to use the Homey Energy Dongle?

Yes, the Homey Energy Dongle works exclusively with Homey Pro (Early 2023) and Homey Cloud. If you don’t have either yet, you can always create a free Homey Cloud account to use the Homey Energy Dongle.

To which countries does the Homey Energy Dongle ship?

The Homey Energy Dongle ships to the Netherlands, Belgium, Luxembourg, Denmark, Hungary, Sweden, Finland, Austria, Lithuania and Switzerland.

Do I need external power for the Homey Energy Dongle?

Depending on your smart meter, you may need to provide external power to the Homey Energy Dongle’s USB-C port.

As a rule of thumb, DSMR5 or ESMR5 meters provide enough power for the Homey Energy Dongle to work without external power. DSMR4 and DSMR2 meters do not provide enough power, so you need to connect the USB-C to USB-A cable to an external power adapter.

Which Solar Panels work with Homey?

Many different brands of solar panels work with Homey. Read the Inverters & Solar Panels Best Buy Guide to find which ones are compatible.

Which EVs & Chargers work with Homey?

Many different brands of EV Chargers work with Homey. Read the EV Chargers Best Buy Guide to which ones are compatible.

Displaying EV Chargers in Energy, as shown on this page, is coming soon.

Which Batteries work with Homey?

Many different brands of batteries work with Homey. Read the Energy Storage Systems Best Buy Guide to find which ones are compatible.

Displaying Batteries in Energy, as shown on this page, is coming soon.

What is the Homey Energy Dongle’s USB-C port for?

When your smart meter does not provide enough power, you can power the device using the Homey Energy Dongle’s USB-C port.

Additionally, you can connect the USB-C port to a computer to read the raw data telegrams that the smart meter writes to the serial console.

Which wireless connectivity does the Homey Energy Dongle have?

The Homey Energy Dongle has onboard Wi-Fi 6 802.11b/g/n/ax and Bluetooth 5 LE, both on the wireless 2.4 GHz band.

Does the Homey Energy Dongle also read my gas usage?

If you connect your smart meter to your gas meter, the Homey Energy Dongle can also read your gas usage.

Does the Homey Energy Dongle also read my water usage?

If your smart meter with the P1 port is also connected to your water meter, the Homey Energy Dongle can also read your water usage.