Energy:
Energy saving technology
Coal Mining Engineering and Technology
Energy storage technology
Renewable energy
Thermal Energy and Power Engineering
Energy Engineering and Environmental Engineering
Renewable energy technologies and systems
Energy Security and Clean Utilization
Mineral Resources and Mining Engineering
Wind power generation
Solar related technologies and applications
Alternative fuels
Clean energy development
Thermal Engineering and Thermodynamics
Energy Equipment and Energy Management
Thermal and Wind Energy Engineering
Energy Security and Energy Systems
Energy Conversion and Energy Efficiency
Energy Analysis and Energy Transfer
New energy vehicles
Oil and Gas Resources Engineering
Hybrid energy system
New technologies for oil and gas development
Material Science:
Nanometer material
New energy materials
Electronic and magnetic materials
Composite, hybrid, and multifunctional materials
Photovoltaic materials
Silicon material
Material synthesis and processing technology
Material Failure and Protection
Application of Nanotechnology in Rare Earth Elements
Metallurgical Engineering
Electrical materials
Electrical:
Electrical Engineering Technology
Computational Intelligence in Electrical Engineering
Microwave and millimeter wave circuits and antennas
Analog circuits and digital circuits
Battery Management System
Remote control and global positioning system technology
The application of laser technology and electro-optical technology
Advanced power semiconductor
Analog and digital signal processing
Communication system
Diagnostic and Sensing Systems
Electricity:
Measurement Technology and Instruments
Mechatronics and Robotics
MEMS Microsensors and Structures
Micro machinery
Power electronics and electric drive
Power Quality and Electromagnetic Compatibility 
Power system and its automation
Modeling, simulation, and analysis of power systems
Power system planning and scheduling
Power system protection, operation, and control
Reliability and safety of power system
Power system stability
Power system and energy
Relaxation of power system regulation
Sensors and Micro Machines
Transmission and distribution systems and equipment
Electric Drivers and Applications
Electric Vehicle Technology
Electromagnetic and Applied Superconductivity
Intelligent control system
Intelligent systems and methods
Inverter and Converter Technology
Electrical materials
Smart grid:
Smart grid architecture and model
Smart grid security
Energy transmission and interactive technology
Smart Grid in Network and Physical Security Systems
Smart grid network and communication
Large scale power grid safety control
Communication based control and protection
Smart grid technology and equipment
Smart grid testing
Intelligent sensors and advanced metering infrastructure
Hybrid smart grid energy system technology, etc