(Topics include but are not limited to)
Theme 1: Green Energy
clean energy technology
Clean and renewable energy technologies
Energy storage
Green energy development technology
Natural gas hydrate development technology
Renewable energy development technology
Solar engineering
Biomass Energy Engineering
wind engineering 
Hydrogen and fuel cells
nuclear engineering
Energy storage and energy-saving technology
Solar system
Integration of renewable energy technology and smart grid
Energy and Power Engineering
Energy Efficiency and Management
Energy storage, fuel cell technology and development trends
Thermoelectric engineering
cdm
Energy materials
Storage technology
Energy saving technology
Energy and chemical engineering
Energy saving lighting products and technologies
gasification
Green energy system
Green power production and cogeneration
Carbon dioxide capture, storage, and utilization
Energy and Energy Economy Analysis
Topic 2: New Power System
New Digital Technology System for Power System
Intelligent power chip
Intelligent power sensor
Cloud network integration
edge computing
artificial intelligence
Energy big data
5G、 Beidou communication terminal
Power network security protection
Energy blockchain
Digital twin
The operating mechanism and development form of the new power system
Large scale grid connection and consumption of new energy generation
New data-driven power system scheduling and control
Flexible interconnection of power grid
Active support technology for new energy
AC/DC hybrid distribution network
Intelligent microgrid and microgrid group
Simulation and Operation Control of Safety and Stability Analysis for Large Power Grid
New Power System Demonstration Project
New Electrification
Urban intelligent low-carbon transformation
Integrated Energy Services
Multi site integration
smart city
Multi energy synergy and complementarity
Integration and development of energy, construction, transportation, industry and other industries
Smart electricity usage
Electricity market system
Price mechanism and cost guidance mechanism
New power system promotes high-quality development of free trade ports
Large scale development of new energy storage
Wind solar energy storage combined power station
Virtual Power Plant
Demand side response
Advanced energy storage technology
Integrated and efficient interaction of "source network load storage"
Low carbon and energy-saving renovation of industrial parks
V2G large-scale vehicle network interaction and green travel services
Distributed power monitoring and on-site consumption
Electricity carbon measurement monitoring
Carbon market and carbon asset operation
Electricity finance and carbon finance
Topic Three: Power Electronics
power electronic circuit
Smart grid and microgrid
Power Electronics and Applications
Electrical instruments
Power electronic control
Power Electronics Topology and Control
Wind solar energy storage power electronics
Transmission and Distribution Power Electronics
Transportation Electrification, Power Electronics
Data Center Power Electronics
Power electronic devices
Control, modeling, simulation
System stability and reliability
Renewable energy conversion technology and new energy storage
New Power System
Smart Grid and Energy
Microgrids
Power electronic equipment
Motor drive and frequency converter
system integration
Power System
Modeling and Simulation
Converter and System Control
Theoretical analysis of motor physics
Noise reduction technology for large equipment
High frequency converter and power supply
Passive components and sensors
Electronic signal
Power system and its automation
High Voltage and Insulation Technology
Power Electronics and Power Transmission
Electric Machinery and Electrical Appliances
Advanced Electromagnetics