[2][3] The club's roots date back to the period before World War II, when enthusiasts started skating on a natural ice surface.

[4] In the 1940–41 season, the first amateur team was assembled with simple equipment mostly made in the local steel and iron factory.

Notable players in this period include Albin Felc, Dušan Brun, Bogo Jan, Ciril Klinar, Viktor Tišler, Vlado Jug, Gorazd Hiti, Franc Smolej, and Rudi Knez.

[8] in 2006, Jesenice were invited as the first non-Austrian team to play in the expanded Austrian ice hockey championships.

The club had accumulated debt, reportedly near €2.5 million, at the conclusion of the 2011–12 EBEL season, and was eventually expelled from the league.

[2][3] Their affiliate HD Mladi Jesenice were registered and run separately from the main squad.