Renewable Energy Days OIE 2026

From May 20 to 22, 2026, Opatija will live to the rhythm of energy for three days. The city of European meetings, a tourist and congress stage, will host the OIE Renewable Energy Days 2026, the largest national conference with an international character dedicated to renewable energy sources.

The conference program will feature discussions on the role of energy in key economic sectors: from industry, tourism, and agriculture to digital infrastructure. Special emphasis will be placed on the development of domestic energy production, security of supply, and system resilience in crisis conditions, as well as on grid modernization and the integration of a large number of new projects.

You can download the conference program here.

Find the registration link and additional information here.