SEO-Group
Structure
Our core principles
Security of Supply
We ensure stable grids and reliable energy – today and in the future.
Intelligent Storage
We store energy when it is abundant and deliver it precisely when it is needed, supporting system balance and flexibility.
Renewable Energy
Hydropower and wind power form the foundation of our sustainable energy production.
Technological Excellence
Modern facilities, the highest safety standards, and ongoing innovation shape our ambition and guide our actions.
Overview of the subsidiaries of the SEO Group as of 31 December 2024
SEO SA
Cefralux S.à r.l. 100%
Cedecel France S.A. 99,99%
Soler S.A. 50%
45% Windpower S.A.
50% Wandpark Aerenzdall S.A.
50% Wandpark Duelem S.A.
35% Wandpark Fluessweiler-Wormer S.A.
40% Wandpark Garnich S.A.
50% Wandpark Harel-Walter-Eeschpelt S.A.
42.26% Wandpark Tandel-Veianen S.A.
47.45% Wandpark Bënzelt S.A.
40% Wandpark Rulljen-Géisdref S.A.
36.25% Wandpark Burer Bierg S.A.
35.62% Wandpark Housen-Pëtschent S.A.
35% Wandpark Mëllerdall S.A.
30% Wandpark Kanton Réiden S.A.
21.56% Wandpark Esch-Sauer SA
25% Wandpark Kehmen-Heischent S.A.
50% Wandpark Miersch S.A.
20% Wandpark Nordenergie S.A.
20% Wandpark Hengischt S.A.
20% Sudwand S.A.
50% Wandpark Jonglënster S.A.
50% Wandpark Helperknapp S.A.
50% Wandpark Eschduerf S.A.
50% Wandpark Manternach S.A.
50% Wandpark Schieren S.A.