Sourceful Energy
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Which Electricity Meters are Compatible with Sourceful Energy?

The full list of supported electricity meters.

Updated 2026-06-02Read in Svenska

The Sourceful Energy Zap is designed specifically for P1 ports with RJ12 connectors. Before purchasing or connecting your Zap, verify you have the correct port type. We are actively working to support more ports.

IMPORTANT
Only connect Zap to P1 ports (RJ12). Connecting to HAN ports (RJ45) can damage your device.

Here's what you need to know about each connection type.

Sourceful supports most modern meters in Europe.

Countries where P1 ports are available and Zap shipping is supported:

🇦🇹 Austria*

🇱🇹 Lithuania

🇧🇪 Belgium

🇱🇺 Luxembourg

🇩🇰 Denmark

🇳🇱 Netherlands

🇫🇮 Finland

🇵🇹 Portugal

🇭🇺 Hungary

🇸🇪 Sweden

🇮🇪 Ireland

* Work in progress to support encrypted data.
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If you live in a country (not listed above) and can verify that your utility meter has an RJ12 or RJ45 port, please contact us at support@sourceful.energy. We would greatly appreciate your input in expanding our compatibility to new countries.

The data port on smart meters may need to be enabled by your grid operator (such as Svenska kraftnät, Ellevio, Vattenfall or E.ON). This can usually be done via their website, or you may need to contact them and request that they activate the data port on your meter.

Standard P1 Connection (RJ12)

Most Common Configuration

  • Standard port interface (RJ12-port with 6-pin) on most modern smart meters.

  • Requires Zap for RJ12/P1 Meters.

  • Works immediately out of the box. No extra adapter needed.

  • The Zap draws all needed power directly from your smart meter - no external power supply needed.

Example of meters with Standard P1 port (RJ12)

Quick Port Identification Guide

✅ P1 Port (RJ12) - COMPATIBLE

  • Size: Small, like an old telephone jack

  • Pins: 6 pins (narrower connector)

  • Label: Usually marked "P1", "Customer Port", or "User Port"

  • Power: Provides power to the Zap - no external power needed

  • Cable: Uses the included RJ12 cable

❌ HAN Port (RJ45) - NOT COMPATIBLE

  • Size: Larger, like an ethernet/network jack

  • Pins: 8 pins (wider connector)

  • Label: Often marked "HAN", "HAN-port", or "Ethernet"

  • Power: Does NOT provide power

  • Warning: Higher voltage can damage the Zap if connected

Visual Comparison

P1/RJ12 Port (Compatible):

  • Width: ~9.5mm

  • Looks like: Old telephone connector

  • Cable fits snugly with a click

HAN/RJ45 Port (Not Compatible):

  • Width: ~11.5mm

  • Looks like: Internet/ethernet connector

  • RJ12 cable will fit loosely (DON'T FORCE IT)

Important Notes

The Zap does not require external USB-C power under normal circumstances. If you have connectivity problems to your wifi external power may help.
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If you connect another P1 reader to the Zap output external power is required.

Ordering Guide

  • Standard RJ12 Port: Order Zap for RJ12/P1 Meters

Need Help?

Not sure about your meter's connection type? We're here to help. Send us:

  • A photo of your meter

  • A close-up of the available ports

  • Your meter's model number

  • Your location and utility provider