FNB Gas e.V. is the association of the supra-regional gas transmission companies

FNB Gas coordinates the technical exchange between its members, represents the positions of transmission system operators and is the contact for politicians and the public. The association has its headquarters in Berlin opposite the Friedrichstraße railway station.


In the Berlin office, our members of staff are available to answer your questions and listen to your suggestions.


Vereinigung der Fernleitungsnetzbetreiber Gas e.V.
Georgenstraße 23, 10117 Berlin
T: +49 30 9210 2350 / F: +49 30 9210 23543 / M: info@fnb-gas.de

Barbara Fischer
Managing Director

T: +49 30 9210 235 12
M: barbara.fischer@fnb-gas.de

Mehtap Corallo
Assistent to the Managing Directors

T: +49 30 9210 235 15
M: mehtap.corallo@fnb-gas.de

Nils von Ohlen
Head of Network Planning

T: +49 30 9210 235 32
M: nils.vonohlen@fnb-gas.de

Elvin Eyubov
Communications Manager

T: +49 151 155 905 32
M: elvin.eyubov@fnb-gas.de

Peter Schallert
Regulatory Affairs Manager

T: +49 157 387 400 91
M: peter.schallert@fnb-gas.de

Dr Stefan Tetzlaff
Energy Policy Manager

T: +49 151 705 165 39
M: stefan.tetzlaff@fnb-gas.de


Dr. Thomas Gößmann
Thyssengas GmbH

Vice Chairman
Ralph Bahke
ONTRAS Gastransport GmbH

Dr. Matthias Jenn
bayernets GmbH

Board member
Frank Heunemann
Nowega GmbH

Questions to the Executive Board of the Association of Transmission System Operators for Gas (Vereinigung der Fernleitungsnetzbetreiber Gas e.V.) should also be addressed to the staff of the office in the first instance.


The members of FNB GAS include twelve German transmission system operators

They are responsible for the operational management, maintenance, and demand-driven expansion of the gas transport networks and the development of a hydrogen infrastructure. In total, the member companies employ around 3300 people. In addition, they are involved in further cross-network cooperations for more competition in the gas market and are driving forward the development of innovative technology.

Gas Transport North
Company headquarters: Oldenburg

Gasunie Deutschland Transport Services GmbH
Company headquarters: Hanover

GRTgaz Germany GmbH
Company headquarters: Berlin

Company headquarters: Münster

Thyssengas GmbH
Company headquarters: Dortmund

ONTRAS Gastransport GmbH
Company headquarters: Leipzig

Fluxys TENP GmbH
Company headquarters: Düsseldorf

Open Grid Europe GmbH
Company headquarters: Essen

Gascade Gastransport GmbH
Company headquarters: Kassel

terranets bw GmbH
Company headquarters: Stuttgart

bayernets GmbH
Company headquarters: Munich

Ferngas Netzgesellschaft mbH
Company headquarters: Schwaig near Nuremberg


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