(Topics include but are not limited to)
Theme 1: Energy utilization
Energy and Environment
Mineral Engineering
petroleum engineering 
Metallurgical engineering
Rare earth engineering
Ocean engineering
Tower installation engineering
methane
solar energy
Gas transmission and distribution engineering
Photovoltaic power generation
Offshore wind power
New energy vehicles
Charging station
heat pump
Energy Storage Systems and Technologies
Transmission and Distribution and Microgrid
Smart Grid and Smart City
Energy Internet
Energy planning and allocation
Energy storage and management
Energy equipment and engineering
Energy conversion and application
Heating power station
nuclear power plant
Construction project of garbage incineration power station
Distributed energy
Wind power
Water conservancy and hydropower
Thermal power generation
Gas furnace
Energy saving and environmental protection technology
Temperature control design
Refrigeration and heating technology
Cold storage design
HVAC engineering
Photocatalysis and electrocatalysis
Roof technology
Grid connected power generation technology
Topic 2: Electricity
power electronics 
Electric drive
Power Quality and Electromagnetic Compatibility 
Power system and its automation
Power system modeling, simulation, and analysis
Power system planning and scheduling
Power system protection, operation, and control
Reliability and Safety of Power Systems
Power system stability
Sensors and micro machines
Power transmission and distribution system and equipment
Electric Drivers and Applications
Electric Vehicle Technology
Electrical Engineering Technology
Computational Intelligence in Electrical Engineering
Mechanical Engineering and Mechanics
Mechanical manufacturing and mechatronics integration
Distributed power generation, fuel cells, and renewable energy systems
Microwave and millimeter wave circuits and antennas
Power electronic equipment
Electric machinery and electrical equipment
Power grid policies and standards
Topic 3: Advanced Thermal Systems
Engineering thermodynamics
Thermohydrodynamics
Thermophysical properties and thermophysical measurement techniques
heat energy
thermal efficiency 
Thermoelectric engineering
Thermal energy
MEMS - Microsensors and Structures
Advanced power generation technology
Wind power, water conservancy and hydropower, and thermal power
Urban gas transmission and distribution engineering
Biomass and biofuels