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
States of the Weimar Republic occupied by the last state premier. The names of these new "Reichsgaue" were sometimes different and there were some differences in borders. The former states of Burgenland and Vorarlberg were dissolved. The "Reichsgaue" were as follows: Subsequently, additional "Reichsgaue" were added as Germany invaded more European territories before and during World War II. These included: After World War I, the Saar Basin was occupied and governed jointly by the United Kingdom and France from 1920 to 1935 under a League of Nations mandate. After a plebiscite was held in 1935, the region was returned to Germany. In accordance with the