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About us


a kelag company

Interenergo is an international energy company which started its operations in 2007 and is headquartered in Ljubljana, Slovenia. Our main activities include electricity trading, construction and management of energy facilities using renewable sources, and improving energy performance of buildings and industrial facilities via ESCO services. 

12 Years of interEnergo Group

The Group

The Interenergo Group comprises twelve companies.

These companies are based in Slovenia, Croatia, Bosnia and Herzegovina, Macedonia, Serbia, Montenegro, and Kosovo. Interenergo Zagreb d. o. o. is in the process of liquidation, and its activities have been transferred to the head office in Ljubljana. 


Interenergo currently operates on 10 international energy exchanges and across 16 countries.

We are present on the following markets: Germany, Czech Republic, Austria, Switzerland, Slovakia, Hungary, Romania, Serbia, Macedonia, Kosovo, Montenegro, Bosnia and Herzegovina, Croatia, Slovenia, Italy, Bulgaria.


The Group comprises of professionally trained and highly motivated professionals from different areas.

Knowledge, skills, and competence are the qualities that distinguish our employees. They contribute to Interenergo's business excellence, which in turn offers them a working environment that encourages and rewards their great enthusiasm and dedication.

The Future

Electricity has a central role everything we do. We believe that energy sector will grow increasingly decentralised and have environmentally responsible production and distribution.

We believe that the pressure to reduce costs related to distribution and sales costs will increase. And we believe that the know-how of our top experts will provide the best solutions for our users and customers on a daily basis. Electricity is becoming a universal currency and we want to be part of that process.