GEN energija, d.o.o. is a state-owned power company in Slovenia. It is the parent company in the GEN Group. GEN energija was established 2001 as Eles Gen, a subsidiary of Elektro-Slovenija, for holding Slovenian shares in the Krško Nuclear Power Plant. In February 2006 the company was separated from Elektro-Slovenija and it became directly owned by the state.