Our key tasks

We are primarily tasked with providing power transmission services, system services and facilitating the energy market. Our core tasks follow from our appointment as grid operator under the Dutch 'Elektriciteitswet' (E-wet) and the German 'Energiewirtschaftsgesetz' (EnWG).


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TenneT presents Hub and Spoke concept for large scale wind energy on the North Sea.

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Our grid

TenneT manages the high-voltage grid in the Netherlands and large parts of Germany. TenneT transmits electricity at 110,000 volts (110 kV) and higher. With around 23,000 kilometres of high-voltage lines, we cross borders and connect countries.

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Grid maps

Maps of our onshore and offshore high-voltage grid.

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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. 

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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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TenneT is a leading European electricity transmission system operator (TSO), with activities in the Netherlands and in Germany. We strive to ensure a reliable and uninterrupted supply of electricity in our high-voltage grid for some 41 million people.

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We are TenneT

Meet us

Supervisory Board

The rapid growth in demand for renewable energy, and its integration into a balanced and stable electricity grid, requires extensive investments and carefully considered decisions. The Supervisory Board helps to ensure TenneT makes the right decisions by overseeing and advising the Executive Board.

A.F. (Ab) van der Touw (1955)

Chair supervisory board / Member of the Audit, Risk and Compliance committee / Member Remuneration- and Appointments committee

Nationality: Dutch

Initial appointment: 1 June 2018
Expiry first term: 1 June 2022

Principal position:
  • Former CEO Siemens Nederland
Other Positions:
  • Vice president Executive Committee VNO/NCW
  • Vice-president Board Deutsch-Niederländische Handelskammer
  • Chair Supervisory Board Universiteit Leiden
  • Chair Board Dutch Bach Association
  • Chair Board Fonds Slachtofferhulp
  • Chair Supervisory Board NIBA
  • Member Board GAK Foundation
  • (External) member Ondernemingskamer Gerechtshof ’s Gravenhage

P.M. (Pieter) Verboom (1950)

Vice President supervisory board / Chair Audit, Risk and Compliance committee / Member Strategic Investments committee

Nationality: Dutch

Initial appointment: 18 September 2012
Expiry second term: 18 September 2020

Principal position:
  • Former CFO RFS Holland Holding 
  • Former Executive vice president and CFO Schiphol Group
Other positions:
  • Chair Curatorium Master Register Controllers and Advisor Programme 'The new CFO' (Erasmus University Rotterdam)
  • Expert lay member of the Dutch Enterprise Court

L.J. (Laetitia) Griffith (1965)

Member supervisory board / Chair Remuneration and Appointment committee / Member Strategic Investments committee / Member Aufsichtsrat TenneT TSO GmbH

Nationality: Dutch

Initial appointment: 1 July 2015
Expiry first term: 1 July 2019

Principal position:
  • Former State Councillor in the Advisory Division of the Dutch Council of State
Other positions:
  • Vice-chair Supervisory Board KPMG
  • Chair Supervisory Board Holding Nationale Goede Doelen Loterijen
  • Chair Nederlandse Veiligheidsbranche
  • Member board VNO-NCW
  • Chair board Nederlands Filmfonds
  • Member of the Supervisory Board of Gassan Diamonds B.V.

R.G.M. (Rien) Zwitserloot (1949)

Member supervisory board / Chair Strategic Investments committee / Member Aufsichtsrat TenneT TSO GmbH. 

Nationality: Dutch

Initial appointment: 24 November 2010
Expiry third term: 24 November 2020

Principal position:
  • Former CEO Wintershall AG
Other positions:
  • Member Supervisory Board Royal VOPAK N.V.
  • Member Supervisory Board Amsterdam Capital Trading Group B.V.
  • Member Supervisory Board Vroon B.V.


Retirement rota (10 KB, pdf, 09/21/2018)

Retirement rota Download Download
Rules governing the Supervisory Board (132 KB, pdf, 01/10/2019)

Rules governing the Supervisory Board Download Download