 In the federal election, a total of 481 votes were cast, and the voter turnout was 43.5%.In 1894–96, the first hydroelectric power station on the river Aare was built at Wynau by the German company Siemens & Halske.In 1903, the "Elektricitätswerke Wynau AG" was sold to Langenthal and other municipalities (including Wynau) in the surrounding area.