Holding Slovenske elektrarne (HSE) is a state-owned power generation company in Slovenia. It is the largest company in Slovenia and was established by a government decision on 26 July 2001. The company consists of hydroelectric plants based on the Drava, Sava, and Soča rivers and coal-fired power plants in Brestanica, Šoštanj, and Velenje.
HSE has the following subsidiaries:
Dravske elektrarne Maribor (Drava Hydroelectric Plant in Maribor)
Savske elektrarne Ljubljana (Sava Hydroelectric Plant in Ljubljana)
Soške elektrarne Nova Gorica (Soča Hydoelectric Plant in Nova Gorica)