(I) Renewable Energy
1. Solar energy
2. Wind energy
3. Bio energy
4. Tidal energy
5. Ocean thermal
6. Geothermal energy
7. Small hydro; power
8. Hybrid energy systems
9. Applications in agriculture
10. Storage technology
11. Grid and off-grid issues
12. Remote area power supply
13. Power system technology
14. Innovations in renewable energy

(II) Sustainable Development
15. Sustainable energy and environment
16. Green manufacturing
17. Agricultural sustainability
18. Zero energy building
19. Waste management
20. Energy management / audit
21. Energy policies and economics
22. Energy efficient systems
23. Sustainability in process industries
24. Safety for all
25. Energy Security and Clean Use
26. Green infrastructures