4th International Sustainable Energy Conference – ISEC 2026
CONFERENCE FOR RENEWABLE HEATING AND COOLING IN INTEGRATED URBAN AND INDUSTRIAL ENERGY SYSTEMS
The 4th International Sustainable Energy Conference (ISEC 2026) provides a platform for researchers, industry experts, and energy policymakers worldwide to share the latest findings, innovations, and demonstrations toward a sustainable energy future.
The conference focuses on the question: How can energy sovereignty be achieved within a timeframe dictated by climate change and political frameworks?
Key topics include global solutions such as transitioning economic systems toward a sustainable circular economy, the complete phase-out of fossil fuels, sector coupling, energy storage systems, and smart electrification of the energy supply.
ISEC 2026 promotes exchange between research, industry, and policy and places a particular emphasis on innovative approaches to heat transformation in renewable energy systems and improving resource efficiency.
In collaboration with international organizations such as UNIDO and IEA, the conference also highlights solutions for developing and emerging economies, particularly in the Global South.
Conference Highlights:
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High-level keynote speakers
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Presentations, poster sessions, and workshops
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Intensive discussion sessions
The conference serves as an opportunity to form new collaborations and initiate transformative projects to accelerate the transition away from fossil fuels.
Beitragsbild: ©GRÜNSTATTGRAU

