Stadtwerke Oberhausen

The Stadtwerke Oberhausen AG (STOAG) is the local transport operator for the city of Oberhausen, Germany. It is a member of the Verkehrsverbund Rhein-Ruhr (VRR) regional transport organization. STOAG operates 6 express bus lines, as well as 10 city bus lines which are operated jointly with Urban-Reisen, and 6 regional lines which are partially operated by STOAG. The city also has 7 regional lines which are not operated by STOAG.

STOAG has more than 120 buses and 6 trams for use on line 112 of the Mülheim tramway network which links Oberhausen to the neighbouring city of Mülheim.

In 2015 STOAG introduced the first two battery electric buses in the Ruhr area, operating on lines 962 and 966. In 2019 line 979, jointly operated by STOAG and Vestische, also switched to electric buses.