Electricity market

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.

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Transparency data

We provide transparency data on our operations on our Dutch and German transparency page and on ENTSO-E. 

To transparency pages

Our vision is to be one of the most transparent Transmission System Operators (TSO) in Europe and thereby creating value for society. In this Energy Insights section we present selected energy related topics and show data, information and valuable insights. 



Facts & figures related to TenneT facilitating the market can be found here.

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Publications in accordance to KraftNAV

The "Verordnung zur Regelung des Netzanschlusses von Anlagen zur Erzeugung von elektrischer Energie" [Ordinance on the Network Connection of Power Plants] of 26 June 2007, known as KraftNAV, dictates that the transmission network operator shall be obliged to publish certain information to assist parties interested in applying for a connection at their choice of site. This information is published here.

Power plant register / Schematic grid diagram

The KraftNAV Ordinance dictates that a common register of all power plants in Germany with a nominal output of more than 100 MW shall be kept. This is maintained by the Network Technology Forum in VDE (FNN) in Berlin and may be requested from TenneT by subscribers. (see contact address below).
Power plant register (67 KB, pdf, 25/03/20)

Register of power plants kept by the connection network operator TenneT .

Power plant register Download Download
Schematic network diagram (182 KB, pdf, 12/11/21)

The Ordinance on the Network Connection of Power Plants (KraftNAV) dictates that potential power producers shall be given an overview of the high voltage network for orientation purposes. A simplified schematic network diagram has been made available and may be downloaded here

Schematic network diagram Download Download
Confidentiality statement (10 KB, pdf, 15/05/16)

A schematic network diagram that shows the topology of the high voltage network of TenneT TSO GmbH, along with details of the power circuits, switching systems and transformer stations, may be requested in writing tith this document.

Confidentiality statement Download Download

Contact for further information

TenneT TSO GmbH Customers & Markets

Bernecker Stra├če 70

95448 Bayreuth

Data for a power plant connection check

According to the terms of the KraftNAV Ordinance of 26 June 2007, prior to authorisation for a new power plant connection, a connection check must be carried out by the network operator. This is designed to ensure the safety of the system in the subsequent joint operation of the power plant and the network. 
Documentation power plant connection check (76 KB, pdf, 21/11/19)

Parties interested in applying for a connection must submit the required documentation, details of which are provided on the right side of this page.

Documentation power plant connection check Download Download