Smart meters by country

Most European smart meters can share live energy data with your home, but every country does it differently. Find your country to see which port your meter has, how to open it and which readers work.

Updated November 2026

CountryPort on the meterNeed to request access?
🇳🇱 NetherlandsP1 portNo
🇧🇪 BelgiumP1 user portYes
🇱🇺 LuxembourgP1 portYes
🇳🇴 NorwayHAN portYes
🇸🇪 SwedenHAN or P1 portYes
🇩🇰 DenmarkHAN portYes
🇫🇮 FinlandHAN portYes
🇩🇪 GermanyOptical interface (IR) or smart meter gatewayYes
🇦🇹 AustriaCustomer interface (Kundenschnittstelle)Yes
🇫🇷 FranceTIC (téléinformation client)No
🇬🇧 United KingdomConsumer Access Device (CAD)Yes
🇮🇹 ItalyChain 2Yes

Netherlands P1 port

Meter
Smart meters to the Dutch DSMR standard
Connection
RJ12 socket on the meter
How to start
The P1 port is meant for your own use. Plug in a P1 reader; no request to the grid operator is needed on most meters.
What you get
Electricity every second (newer meters) and gas readings

Readers that work here

  • Anker SOLIX P1 Meter
  • HomeWizard P1 Meter
  • Homey Energy Dongle
  • Niko wireless smart hub (built-in P1 port)
  • P1 Monitor
  • Sessy P1 meter (for Sessy batteries)
  • SlimmeLezer
  • Smart Gateways P1 readers
  • SOLARMAN P1 Meter Reader
  • Tibber Pulse P1

Sources: DSMR standard (TU Delft / energietransitie) · Smart Gateways · Homey support: Energy Dongle compatible meters · HomeWizard: is my smart meter compatible? · Tibber Pulse P1 (comparison, zerofy.net) · SlimmeLezer (Zuidwijk) · Anker SOLIX: P1 Meter compatibility · SOLARMAN: is my smart meter compatible?

Belgium P1 user port

Meter
Digital meter (Fluvius in Flanders; ORES and RESA in Wallonia)
Connection
RJ12 socket on the meter
How to start
The user ports are switched off by default. Ask your grid operator to open them; in Flanders you can do this online in My Fluvius.
What you get
Electricity and gas, close to real time

Readers that work here

  • HomeWizard P1 Meter
  • Homey Energy Dongle
  • Niko energy starter kit
  • SlimmeLezer
  • Smappee P1 module
  • SOLARMAN P1 Meter Reader
  • Zendure Smart Meter P1

Sources: Fluvius: technical specification of the user ports · HomeWizard help · Smappee P1 module · Homey support: Energy Dongle compatible meters · Zendure Smart Meter P1 (Belgium) · SlimmeLezer (Zuidwijk) · SOLARMAN: is my smart meter compatible?

Luxembourg P1 port

Meter
Smarty meter (Luxmetering, installed by Creos and other grid operators)
Connection
RJ12 socket on the meter
How to start
The data on the port is encrypted. Ask your grid operator for the decryption key and use a reader that supports Luxembourg’s Smarty meter.
What you get
Electricity, close to real time

Readers that work here

  • HomeWizard P1 Meter (enter the P1 key in the app)
  • Homey Energy Dongle
  • SlimmeLezer (with the decryption key)

Sources: Creos Smarty manual · Homey support: Energy Dongle compatible meters · HomeWizard: is my smart meter compatible? · SlimmeLezer (Zuidwijk) · Home Assistant community: devices for the Smarty meter

Norway HAN port

Meter
AMS meters (Aidon, Kaifa, Kamstrup)
Connection
RJ45 socket on the meter
How to start
The HAN port is closed by default. Ask your grid company (nettselskap) to open it; this is usually free.
What you get
Electricity every few seconds

Readers that work here

  • Tibber Pulse HAN
  • Futurehome HAN Sensor
  • AmsLeser
  • Easee Equalizer

Sources: SINTEF: HAN port on smart meters · Futurehome HAN Sensor · Tibber Pulse

Sweden HAN or P1 port

Meter
Second-generation smart meters
Connection
RJ12 socket on most meters
How to start
Ask your grid company (elnätsföretag) to activate the HAN port. Most do this for free on request.
What you get
Electricity every few seconds

Readers that work here

  • Easee Equalizer
  • HomeWizard P1 Meter
  • Homey Energy Dongle
  • Ngenic Track HAN
  • SOLARMAN P1 Meter Reader
  • Tibber Pulse HAN

Sources: Varberg Energi: HAN port · Easee: HAN vs P1 · Ngenic Track HAN · Homey support: Energy Dongle compatible meters · HomeWizard: is my smart meter compatible? · SOLARMAN: is my smart meter compatible?

Denmark HAN port

Meter
Smart meters such as the Kamstrup Omnipower
Connection
A HAN module fitted in the meter
How to start
Many meters need a HAN module and an encryption key. Ask your grid company (netselskab) how to get them for your meter.
What you get
Electricity, close to real time

Readers that work here

  • AmsLeser Pow-K+ (for Kamstrup meters)

Sources: Kamstrup HAN module (P1) · Pow-K+ reader

Finland HAN port

Meter
Second-generation smart meters, being rolled out by grid companies
Connection
Depends on the meter; see your grid company’s HAN instructions
How to start
Ask your grid company to open the HAN port once you have a new-generation meter. Several grid companies publish their own HAN guides.
What you get
Electricity, close to real time

Readers that work here

  • Cozify HAN reader

Sources: Elenia and Cozify HAN reader · Oulun Energia: HAN port guide

Germany Optical interface (IR) or smart meter gateway

Meter
Modern metering device (moderne Messeinrichtung) or intelligent metering system with gateway
Connection
An infrared read head held on by a magnet
How to start
Ask your metering operator for the PIN to unlock the full data on the display interface, then fit an IR read head. Meters with a smart meter gateway have their own customer interface.
What you get
Electricity every second to every few seconds

Readers that work here

  • Tibber Pulse IR
  • powerfox poweropti
  • Generic IR read heads

Sources: NEW Netz: operating manual modern meter · Tibber Pulse IR · cFos: optical reader

Austria Customer interface (Kundenschnittstelle)

Meter
Smart meters from your grid operator
Connection
A socket on the meter, read with a smart meter adapter
How to start
Ask your grid operator to enable the customer interface and send you the key; the data is encrypted.
What you get
Electricity every few seconds

Readers that work here

  • Smart meter adapters to the Österreichs Energie specification

Sources: Österreichs Energie: customer interface concept · Netz NÖ: customer interface

France TIC (téléinformation client)

Meter
Linky meter
Connection
Two screw terminals on the Linky meter
How to start
The TIC output is active on Linky meters. Connect a TIC module to the terminals; no request is needed.
What you get
Electricity, close to real time

Readers that work here

  • LiXee ZLinky_TIC (Zigbee)

Sources: Domo-blog: LiXee ZLinky test · Domadoo: LiXee module

United Kingdom Consumer Access Device (CAD)

Meter
SMETS2 smart meters
Connection
No socket: a CAD joins the meter’s own wireless home network
How to start
Buy a consumer access device and have it paired with your meter’s home area network; the CAD then shares the data on your Wi-Fi.
What you get
Electricity close to real time, gas less often

Readers that work here

  • Glow (Hildebrand) display and CAD

Sources: Home Assistant community: Hildebrand Glow · OpenEnergyMonitor: UK smart meter data access

Italy Chain 2

Meter
Second-generation Open Meter (2G)
Connection
No socket: data travels over the power line to a registered device
How to start
Register a Chain 2 compatible device with your supplier or distributor; it then receives the meter data over the mains wiring.
What you get
Electricity, close to real time

Readers that work here

  • Sinapsi Alfa

Sources: Bolletta Energia: Chain 2 · Punto Informatico: Alfa by Sinapsi

Readers are listed in alphabetical order and are the ones whose maker or a tested report confirms support for that country (checked November 2026); this is not a ranking. See Best Buys: Energy Meters for our picks. Rules differ per grid operator and meter model, so check with yours before you buy. Spotted something out of date? Email weknowsmarthome@gmail.com.