Theme 1: Energy Engineering
Renewable energy
Solar energy
Biomass energy 
Wind energy
Wave and tidal energy
Geothermal energy
Nuclear energy
Bioenergy
Hydrogen and fuel cells
Energy materials
Energy management system
Development and utilization of energy
Nuclear energy engineering
Biodiesel fuel
Photovoltaic systems and solar engineering
Wind power generation
Solar cell technology
Design and optimization of energy supply schemes
Energy industry policies
Energy policy equipment technology
Energy saving technology
Coal Mine Engineering and Technology
Energy storage technology
Energy security and clean utilization, etc
Topic 2: Electric Power Engineering
Power system
Smart grid
Power electronics 
Distributed power generation
Power transmission
Electrical component network
Power transmission and distribution system and equipment
Energy Internet
Electric vehicle
Microgrid
Tides, waves, oceans, rivers, and
Hydroelectric power generation system
Power system and its automation
Power system planning and scheduling
Power quality protection and electromagnetic compatibility, etc