Topic 1: Energy Engineering and Technology
Energy and Environment
Mineral Engineering
Petroleum Engineering
Metallurgical Engineering
Rare Earth Engineering
Ocean Engineering
High tower installation project
Biogas
Solar energy
Gas transmission and distribution project
Photovoltaic power generation
Offshore wind power
New energy vehicle
Charging pile
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
Construction projects of heating power plants, nuclear power plants, and waste incineration power plants
Distributed energy
Wind power, water conservancy and hydropower, and thermal power generation
Gas stove
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, etc
Topic 2: Electricity
Power system and its automation
Energy storage devices and systems
Power electronic technology 
Power energy system
Electrical, Automation, and Power Engineering
Power system analysis, modeling, control and stability, protection and operation
Intelligent Technology and Its Application in Power System
Topic 3: Electrical Engineering
Electric motors and appliances
Power system and its automation
High voltage and insulation technology
Power Electronics and Power Transmission
Electrical Theory and New Technologies
Electrical Technology
Power Technology
Electric Power Technology
Electromagnetism
Power transmission and distribution
Electromagnetic Compatibility
High voltage instruments
Electrical Engineering Materials
Mechatronics
Circuits and Systems
Power system and its automation
Power System and Energy
Electric Vehicle Technology
Electric motors and appliances
Distribution automation system
High voltage and insulation technology
New type of sensor
Computer relay
Electromagnetic and Photonics
Smart Grid/Power IC
Circuits and Electronics 
The application of laser technology and electro-optical technology
The electro-optic phenomenon of semiconductors