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 which is quite large when compared to summer with 3.7 Mio overnight stays. The greatest tourist attractions are the mountains and the numerous ski resorts. In the cold season, winter sports enthusiasts will find ideal conditions for their favourite sport: skiing, cross country skiing, freeriding, snowboarding, ice skating, sled dog rides, carriage rides, tobogganing, snow and fun parks. Due to its unique location in the mountains it is also possible to cross Vorarlberg on skis. "Ski Ride Vorarlberg" is a combination of skiing, touring and freeriding and takes tourists from the Kleinwalsertal in the north to the Montafon in the