So far, UIE has organised 18 congresses since 1936. The 19th international congress will take place in Pilsen, Czech Republic in 2020.

1936: La Haye, The Netherlands - I International Congress on Electroheat
1947: La Haye, The Netherlands - II International Congress on Electroheat
1953: Paris, France - III International Congress on Electroheat
Creation of the Bureau International de l'Electrothermie (B.I.E.)
1959: Stresa, Italy - IV International Congress on Electroheat
The B.I.E. becomes the UIE
1963: Wiesbaden, Germany - V International Congress on Electroheat
1968: Brighton, England - VI International Congress on Electroheat
1972: Warsaw, Poland - VII International Congress on Electroheat
1976: Liège, Belgium - VIII International Congress on Electroheat
1980: Cannes, France - IX International Congress on Electroheat
1984: Stockholm, Sweden - X International Congress on Electroheat
1988: Malaga, Spain - XI International Congress on Electroheat
1992: Montreal, Canada - XII International Congress on Electroheat
1996: Birmingham, UK - XIII International Congress on Electricity Applications
2000: Lisbon, Portugal - XIV UIE International Congress
2004: Durban, South Africa - XV UIE International Congress
2008: Krakow, Poland – XVI UIE International Congress
2012: St. Petersburg, Russia – XVII UIE International Congress
2017: Hannover, Germany – XVIII UIE International Congress
2020: Pilsen, Czech Republic – XIX UIE International Congress