Austrian Gas Grid Management Austrian Gas Grid Management AGGM Austrian Gas Grid Management (AGGM) assumed on June 1st 2017 the role of market area manager (MAM) for the Eastern gas market area in Austria, which comprises all Austrian provinces except for Tyrol and Vorarlberg. In this role, which AGGM took over from Gas Connect Austria GmbH (GCA), the company is responsible for the management of the international gas transmission systems that are operated at present exclusively in the eastern part of Austria. There are no transmission systems in the market areas of Tyrol and Vorarlberg. This is the reason why, in accordance with the
Vorarlberg Rhine Valley Vorarlberg Rhine Valley The Vorarlberg Rhine Valley (), also called the Vorarlberg Oberland and Unterland, is a section of the Alpine Rhine Valley and is divided into the Upper and Lower Rhine Valley ("oberes" and "unteres Rheintal") based on the direction of flow of the river. The Unterland runs from the shore of Lake Constance to the Kummenberg, the Upper Rhine valley lies south of the Kummenberg. The Unterland covers the whole of the administrative district of Dornbirn and all the territories of the district of Bregenz that lie within the Rhine Valley. In this region, which includes the urban