MaHeiDo pipeline construction project

Security of supply and switch from L-gas to H-gas

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

The MaHei and HeiDo pipeline construction projects have received planning approval from the relevant regulatory authority (Münster district government). This means that the pipeline construction projects have been approved under public law and may now go ahead. The main construction work for the pipelines will start in spring 2026.