The energy sector is developing rapidly. The process of European market integration began some years ago. Its purpose is to create a single European market that enables market parties to trade gas and electricity across national borders easily and efficiently.
TenneT in the Netherlands

Head office TenneT
TenneT Holding B.V. and TenneT TSO B.V.
Mariëndaal Centre of Excellence
Utrechtseweg 310, Arnhem
The Netherlands
Telephone: 0800 836 63 88 (this number can only be reached from the Netherlands).
Post address
Postbus 718
6800 AS Arnhem
The Netherlands
Invoice address
Postbus 428
6800 AK Arnhem
The Netherlands
invoice(at)tennet.eu (digital invoices)
TenneT region West
Tielweg 28
2803 PK Gouda
The Netherlands
Telephone: 0800 836 63 88 (this number can only be reached from the Netherlands).
TenneT region Zuid
Copernicusstraat 9
6003 DE Weert
The Netherlands
Telephone: 0800 836 63 88 (this number can only be reached from the Netherlands).
Region Noord
De Stroom 2
7901 TE Hoogeveen
The Netherlands
Telephone: 0800 836 63 88 (this number can only be reached from the Netherlands).
TenneT in Germany

Head office Germany
TenneT TSO GmbH
Bernecker Straße 70
95448 Bayreuth
Germany
Telephone: +49 (0)921 50740-0
TenneT in Belgium
TenneT Brussels
TenneT Holding B.V.
European Office
Rue des Deux Eglises 29
1000 Bruxelles