FCEE 2027 Shining Points: 
1. Papers submitted to FCEE 2027 will go through peer review process by international experts. Selected papers will be published in the International Conference Proceedings of E3S Web of Conferences (Open Access proceedings in Environment, Energy and Earth Sciences), which will be sent to Scopus, CPCI (Web of Science), CAS, DOAJ, EBSCO, ProQuest and other major databases for indexing.
2. FCEE 2027 will be held in Seoul, South Korea.
3.The 2026 4th International Forum on Clean Energy Engineering (FCEE 2026) concluded successfully in Seoul, South Korea, earning high recognition and positive feedback from experts and scholars around the world.
4. All accepted and presented papers of FCEE 2026 has been published in E3S Web of Conferences Volume 714 (2026) and will be sent to Scopus, CPCI (Web of Science), CAS, DOAJ, EBSCO, ProQuest and other major databases for indexing.

Call for papers
1. Advanced Renewable Energy Technologies
High-efficiency photovoltaic materials and tandem solar cells
Perovskite solar cells: stability, scalability, and commercialization
Floating offshore wind turbine design and dynamics
Next-generation onshore wind turbine aerodynamics and control
Hybrid wind-solar-storage system integration
Small-scale distributed wind energy systems
Advanced geothermal exploration and drilling technologies
Enhanced geothermal systems (EGS) and reservoir stimulation
Tidal stream and wave energy converter innovations
Run-of-river and small-scale hydropower advancements

2.Energy Storage, Grid Integration, and Smart Systems
 Lithium-ion battery advancements: anodes, cathodes, and electrolytes
Solid-state batteries: materials, interfaces, and manufacturing
Sodium-ion and potassium-ion battery technologies
Flow batteries for large-scale grid energy storage
Compressed air energy storage (CAES) systems
Pumped-hydro storage and underground reservoir options
Green hydrogen production via electrolysis (PEM, alkaline, SOEC)
Hydrogen storage and transport: liquid, compressed, and LOHCs
Hydrogen fuel cells for stationary and transportation applications
Power-to-X (P2X): hydrogen, ammonia, methanol, and synthetic fuels

3.  Clean Fossil Energy, Carbon Management, and Negative Emissions
Carbon capture, utilization, and storage (CCUS) technologies
Post-combustion CO2 capture via chemical absorption and membranes
Pre-combustion capture and integrated gasification combined cycle (IGCC)
Oxy-fuel combustion and CO2-rich flue gas processing
Direct air capture (DAC): adsorbents, sorbents, and regeneration
Mineral carbonation and accelerated weathering for permanent storage
Geological CO2 storage: site characterization and monitoring
CO2 utilization for enhanced oil recovery (EOR) and methane recovery
Carbon-neutral synthetic fuels from captured CO2 and green hydrogen
Bioenergy with carbon capture and storage (BECCS)
Biochar production and soil carbon sequestration applications
Enhanced weathering and ocean alkalinity enhancement
Methane capture from oil/gas operations and coal mines

4.Energy Efficiency, Circular Economy, and Sustainable Policy
Industrial waste heat recovery and cogeneration systems
High-efficiency combined heat and power (CHP) plants
Energy-efficient building envelopes: materials and smart glazing
HVAC system optimization with AI and IoT sensors
Energy-efficient lighting, motors, and variable-speed drives
Data center cooling innovation and waste heat reuse
Process integration and pinch analysis for energy-saving design
Circular economy in energy equipment manufacturing and recycling
Recycling and second-life applications for EV and grid batteries
Recovery of critical raw materials (lithium, cobalt, rare earths)
Sustainable supply chains for solar panels, wind turbines, and electrolyzers
Eco-design and life-cycle sustainability assessment (LCSA)
Energy-water nexus: integrated resource planning

Paper Publishing:
Papers submitted to FCEE 2027 will go through peer review process by international experts. Selected papers will be published in the International Conference Proceedings of E3S Web of Conferences (Open Access proceedings in Environment, Energy and Earth Sciences), which will be sent to Scopus, CPCI (Web of Science), CAS, DOAJ, EBSCO, ProQuest and other major databases for indexing.

Committee
Conference Chair
Tae-Jun HA, Kwangwoon University, South Korea

Technical Program Chairs
Yonghoon Kim, Sungkyunkwan University, South Korea
Hossam A. Gabbar, Ontario Tech University, Canada
Xiao-Dong Zhou, University of Connecticut, USA

Proceedings Editors
Hossam A. Gabbar, Ontario Tech University, Canada
Ali Arefi,Murdoch University, Western Australia

Technical Publicity Chair
Jinqiang Zhang, The University of Adelaide, Australia

keynote Speakers:
Mohini Sain, University of Toronto, Canada
Ernest Kian Jon Chua, National University of Singapore, Singapore
Dong-Won Kang, Chung-Ang University, South Korea

Program at a Glance
April 26, 2027 | Monday
10:00 - 17:00 Participants Onsite Registration & Conference Materials Collection

April 27, 2027 | Tuesday
09:00 - 10:15 Opening Ceremony and Keynote Speeches
10:15 - 10:30 Group Photo Taking and Coffee Break
10:30 - 12:00 Parallel Oral Sessions
12:00 - 13:30 Buffet Lunch
13:30 - 15:15 Keynote Speeches
15:15 - 15:30 Coffee Break
15:30 - 18:30 Parallel Oral Sessions
19:00 - 20:30 Dinner Banquet

April 28, 2027 | Wednesday
10:00 - 17:00 One Day Social Program