4th International Sustainable Energy Conference – ISEC 2026

14 April 2026 - 16 April 2026 Messe Congress Graz

The 4th International Sustainable Energy Conference - ISEC 2026 will take place from April 14–16, 2026, at the established venue of Messe Congress Graz.

ISEC 2026 will provide an international platform for exchange among researchers, energy policymakers and businesses to swiftly and effectively leverage the opportunities arising from the UN Climate Conferences, the SDG Goals, and European agreements (Green Deal, Fit for 55). The aim is to translate these into actionable strategies through the collaboration of research institutions and companies in the energy and resource sectors. Over the three conference days, ISEC 2026 will focus on various thematic areas, such as the "Role of the Heating Sector and Energy Efficiency" in an interconnected sustainable energy system, as well as ”Research and Innovation in Energy Transition, Circular Economy, and Climate-Neutral Cities”.