Laetitia J. Griffith

TenneT Holding BV engages in the provision of power transmission services, system services and facilitation of the energy market. It functions as grid operator under the Dutch and German energy laws, the Elektriciteitswet and the German Energiewirtschaftsgesetz. It operates through the following segments: TSO Netherlands and TSO Germany. It is also involved in certain limited non-regulated activities, which help to ensure the energy market performs properly. The company was founded in 1998 and is headquartered in Arnhem, the Netherlands.

Benno Leeser Holding BV is a Dutch investment company. The private company is based in Amsterdam, Netherlands.

Part of Novamedia Holding BV, Holding Nationale Goede Doelen Loterijen NV is a Dutch company that provides lottery services. The private company is based in Amsterdam, the Netherlands. Holding Nationale Goede Doelen Loterijen was acquired by Novamedia BV from Stichting Aandelen Nationale Goede Doelen Loterijen on March 26, 2024.

TenneT TSO GmbH is a German company that focuses on providing a new standardised platform and certified cable system for offshore grid connection systems. TenneT TSO is based in Bayreuth, Germany. The private company was founded in 2009 and was acquired by TenneT Holding BV from E.ON SE on February 25, 2010 for $1,650.71 million. The company aims to increase transmission capacity while minimizing environmental impact. The company also handles modifications and reconstructions of high-voltage lines and cables in response to requests from municipalities, government bodies, and project developers. Additionally, TenneT TSO replaces old electricity connections, installs new ones, and builds high-voltage substations to upgrade and expand the Dutch grid. The company plays a crucial role in ensuring the security of electricity supply to 43 million domestic and business users in Europe. The company is ultimately controlled by the Government of the Netherlands. The CEOs of TenneT TSO are Arina Friday, Maarten Abbenhuis, and Tim Meyerjürgens.