Portugal is rapidly becoming a favorite destination for researchers, blending world-class academic venues with incredible culture and cuisine. For 2026, the conference circuit is heavily focused on Sustainability, Energy, and Civil Engineering, with major events split between the coastal beauty of Porto and the historic capital, Lisbon.
Here are the top 5 confirmed international conferences in Portugal for 2026.
If you are working on the future of energy, the 13th International Conference on Energy and Environment Research (ICEER 2026) is a must-attend. Held in Porto, this conference has a long-standing reputation for publishing high-impact research.
When: September 7–11, 2026
Where: Porto, Portugal
Focus: Energy Policy, Environmental Engineering, and Sustainable Development.
Publication: Accepted papers are often published in Energy Reports (Elsevier) or similar Scopus-indexed journals.
Deadline Watch: The submission window usually closes in mid-April 2026.
Official Website:
Co-located in Porto, the 11th International Conference on Advances in Clean Energy Research (ICACER 2026) focuses specifically on the technological side of the green transition.
When: April 13–15, 2026
Where: Porto, Portugal
Focus: Solar, Wind, and Biomass Energy technologies.
Why Submit: It’s an intimate, highly technical gathering perfect for engineers and physicists.
Deadline: Abstracts are typically due by December 20, 2025.
Official Website:
Moving south to Lisbon, the 7th International Conference on Building Science, Technology and Sustainability (ICBSTS 2026) is the premier event for architects and civil engineers focused on green building.
When: June 24–26, 2026
Where: Lisbon, Portugal
Focus: Intelligent Building Systems, Sustainable Materials, and Urban Planning.
Call for Papers: The submission deadline is currently set for February 10, 2026.
Official Website:
Also in Lisbon, the 12th International Conference on Architecture, Materials and Construction (ICAMC 2026) runs alongside ICBSTS. This is a milestone event for the construction industry.
When: June 24–26, 2026
Where: Lisbon, Portugal
Focus: Nano-materials in construction, Structural Engineering, and Green Architecture.
Publication: Proceedings are typically indexed by Scopus and Ei Compendex.
Deadline: Like its sister conference, submissions are due February 10, 2026.
Official Website:
Back in Porto, the 10th International Conference on Energy Economics and Energy Policy (ICEEEP 2026) attracts economists and policy-makers discussing the financial side of the energy transition.
When: April 13–15, 2026
Where: Porto, Portugal
Focus: Energy Finance, Carbon Pricing, and Energy Law.
Deadline: Abstract submission deadline is December 20, 2025.
Official Website:
Visas: Portugal is a Schengen member state. Apply for your visa early, especially if you plan to visit during the summer months.
Cities:
Porto: Famous for Port wine and its stunning riverfront (Ribeira). It's walkable and very student-friendly.
Lisbon: Known for its seven hills, yellow trams, and vibrant nightlife. It's the political and economic center.
Transport: The train ride between Lisbon and Porto takes about 3 hours and is very scenic.
With deadlines ranging from December 2025 to April 2026, you have time to prepare. Click the official links above to download the submission templates and get started.