Do you have questions about natural gas conversion or do you need our help? You can reach us at any time.

You will find further detailed information in our Questions & Answers section. You are also welcome to call, or write to us.

Helpline (free):
0800 4398 444
Mon – Fri, 7-20 hours and Sat, 8-16 hours



c/o Rheinische NETZGesellschaft mbH
Parkgürtel 26
50823 Cologne

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    My conversion

    Step-by-step explanation: All the information on the background, procedures and statutory framework to your natural gas conversion.


    Applications and forms

    Have you bought a new natural gas appliance? This is where you can conveniently register your appliance replacement online.


    Safety notes

    Your safety is our highest priority. This is how to recognise our technicians - and protect yourself against confidence tricksters.



    All contact information for consumers and press representatives and our free helpline number.

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