One of the most secure fiber-optic networks in Germany.

One of the most secure fiber-optic networks in Germany.

High-speed internet. Broadband. Dark fiber.

10.06.2024

A new chapter: WINGAS becomes SEFE Energy

ONE BUSINESS. ONE BRAND. ONE NAME.
 

Information on renaming and an FAQ can be found on SEFE Energy

Your contact person

Britta Jäger-Ernst
Königstor 20
34117 Kassel
Phone.: +49 (0) 561 99858-1446

E-Mail: britta.jaeger-ernst[at]sefe.eu