Holding Slovenske elektrarne

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 Plants in Maribor)
 * Savske elektrarne Ljubljana (Sava Hydroelectric Plants in Ljubljana)
 * Soške elektrarne Nova Gorica (Soča Hydroelectric Plants in Nova Gorica)
 * TE Brestanica (Brestanica Coal-Fired Power Plant)
 * TE Šoštanj (Šoštanj Coal-Fired Power Plant)
 * Premogovnik Velenje (Velenje Coal-Mining Company)
 * HSE Italia
 * HSE Balkan Energy
 * HSE Hungary

On 28 August 2007 HSE acquired the Ruse Iztok Power Plant in Bulgaria for €81 million.