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
Au, Vorarlberg Au, Vorarlberg Au is a town in the Bregenz Forest in the Austrian state of Vorarlberg, part of the district of Bregenz. The town belongs to the Bregenz Forest, more exactly to the "Hintere Bregenzerwald". Forty percent of its 45 km² area is covered with forest, 34.4% of the area is used as alpine pasture ("Almwirtschaft") and for other forms of alpine agriculture. The town itself is unlike others in the area, as it has no real centre. It consists of several districts, which are (in no particular order): Argenau, Wieden, Lugen, Lebernau, Rehmen, Schrecken, Kreuzgasse, Jaghausen, Am Stein, Argenstein,