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
Allgäu Alps the extreme northwest of the Allgäu Alps, in its broader sense, by the Adelegg. The Tyrolean portion largely comprises the Lech river and its tributaries and the Vorarlberg part centres on the catchment area of Bregenzer Ach. At one point, the three states of Bavaria, Tyrol and Vorarlberg meet. This tripoint ("Dreiländerpunkt") is relatively unspectacular. It is located a few metres west of the Gehrner Berg. This rather unspectacular elevation is 1.5 km north of the Vorarlberg village of Warth and 4 km west of the Biberkopf. The border between Bavaria and the Tyrol does not precisely follow the European