As global initiatives increasingly focus on sustainability and green technology, the fields of renewable energy and environmental engineering have become paramount. For scholars, engineers, and researchers aiming to present their latest findings in the fourth quarter (Q4) of 2026, several high-impact, EI-indexed international conferences are preparing to open their doors.

Below is a curated selection of premier academic conferences scheduled for October, November, and December 2026 in these vital disciplines:
1. 2026 16th International Conference on Power and Energy Systems (ICPES 2026)
Organizer: Xi'an University of Technology
Themes: Environmental Science, Engineering Technology, Energy and Resources, Environmental Science & Technology
Index Type: Ei Compendex, Scopus
Publication: IEEE (Conference Proceedings)
Submission Deadline: September 1, 2026
Conference Dates: December 4 – December 6, 2026
Location: Xi'an, China
Official Website:
Contact Email: icpes@outlook.com
2. 2026 11th International Conference on Renewable Energy and Conservation (ICREC 2026)
Themes: Environmental Science, Energy and Resources, Environmental Science & Technology, Earth Science, Sustainable Development
Index Type: Ei Compendex, Scopus
Submission Deadline: August 25, 2026
Conference Dates: November 20 – November 22, 2026
Location: Rome, Italy
Official Website:
Contact Email: icrec_conf@163.com
3. 2026 2nd IEEE International Conference on Smart Grid and Energy (IEEE ICSGE 2026)
Themes: Environmental Science, Energy and Resources, Environmental Science & Technology, Smart Grids
Index Type: Ei Compendex, Scopus
Submission Deadline: September 20, 2026
Conference Dates: December 3 – December 5, 2026
Location: Paris, France
Official Website:
Contact Email: icsge_contact@academic.net
4. 2026 10th International Conference on New Energy and Applications (ICNEA 2026)
Themes: Environmental Science, Energy and Resources, Environmental Science & Technology
Index Type: Ei Compendex, Scopus
Publication: Springer (Conference Proceedings)
Submission Deadline: September 20, 2026
Conference Dates: December 11 – December 13, 2026
Location: Kyoto, Japan
Official Website:
Contact Email: icnea_conference@126.com
The conference information provided in this article is for reference only. Please refer to the official conference website for all final and authoritative details.