Interenergo – part of the Austrian Kelag Group and one of the key actors in the energy transition in the region – is this year’s bronze sponsor of the RES SERBIA 2025 conference. Although a relatively young company, Interenergo has a strong foothold in renewable energy sources and energy system management, relying on the knowledge and expertise of its employees, as well as the support of the parent group Kelag, which stands behind more than a century of experience and 1,400 MW of installed capacity. Their commitment to sustainability, innovation and partnership makes them an important ally in developing a green energy future.
Interenergo is an international energy company headquartered in Ljubljana and part of the Austrian Kelag Group. Although relatively young, the company plays a vital role in the region’s transition toward cleaner energy solutions. Its core activities include electricity trading, power purchase agreements (PPAs), investments in renewable energy sources (RES), and a broad range of energy services.
Interenergo develops projects and solutions that aim to deliver added value to partners and the market. The company continuously monitors market developments and responds proactively by integrating recognized trends into its business model. A key driving force behind its success is a team of highly competent and knowledgeable employees who pursue excellence in their work. Environmental responsibility remains central to all operations, in line with the sustainable orientation of the broader Kelag Group.
Since 2009, Interenergo has been part of the Austrian Kelag Group, which celebrated its 100th anniversary in 2023. Kelag’s long-standing tradition, operational stability, and deep expertise — supported by over 1400 MW of total installed generation capacity — position the group among Europe’s leading energy companies in the RES sector. The ownership group provides a strong foundation for long-term planning and continued business development.