MaHeiDo pipeline construction project
### Headline fehlt
The MaHei (Marbeck to Heiden) and HeiDo (Heiden to Dorsten) pipelines are needed for the conversion of the local service area from L-gas to H-gas and they can also be used for various H2 projects in and around Dorsten.

Facts and figures
MaHei: 1,5km
HeiDo: 17km
Pipeline length
buried
Type of installation
100 bar
Design pressure
MaHei: DN 600
HeiDo: DN 500
Pipe diameter
–
Construction
late 2026
Completion
Planning status
OGE is currently awaiting the planning approval decision so that construction can begin.