The generator, a GEH2 electro-hydrogen unit made in France by French companies Eneria and EODev (Energy Observer Developments), was set up in Costain’s compound along the M55 motorway in England to power the compound’s services.
When completed in 2029, the Fehmarnbelt Tunnel between Denmark and Germany will accommodate a four-lane highway, as well as a two-track electrified rail line.