Vorarlberg sustainable energy was produced than consumed. Green electricity from Vorarlberg is therefore also sold to the German Westallgäu, to Switzerland and to other Austrian provinces. The largest electricity producer in Vorarlberg is Illwerke AG. They produce 75% of the electricity in Vorarlberg, mainly by hydropower. Owing to their location isolated from the rest of Austria, most people in Vorarlberg speak a very distinct German dialect that other Austrians might have difficulty understanding, since the dialects in the rest of Austria form part of the Bavarian-Austrian language group, whereas the Vorarlberg dialect is part of the Alemannic dialect continuum. Alemannic dialects
Vorarlberg Rhine Valley areas of Bregenz and Dornbirn, live about 180,000 people, around half the population of Vorarlberg. The "green lung" of this region is the Vorarlberg Ried, which is on the border with Switzerland and is surrounded by the settlements of Vorarlberg on three sides. Geographically the Lower Rhine Valley also includes the municipality of Altach. Due to its historical links with the municipality of Götzis and membership of the district of Feldkirch, Altach is often considered part of the Oberland. Vorarlberg Rhine Valley The Vorarlberg Rhine Valley (), also called the Vorarlberg Oberland and Unterland, is a section of the Alpine