◕ Clean Energy

(1) Renewable energy technologies and systems

(2) Energy security and clean utilization

(3) Energy efficiency optimization

(4) Solar energy utilization systems

(5) Photovoltaic and wind power systems

(6) Hydrogen energy systems

(7) Hybrid energy systems

(8) Biomass energy utilization

(9) Waste-to-energy systems

(10) Clean energy sustainable operation

◕ Electric Power Engineering

(1) Power system allocation

(2) Power flow analysis

(3) Power quality control

(4) Distributed generation systems

(5) Transmission and distribution network operation

(6) High voltage engineering applications

(7) Energy conversion systems

(8) Power system signal processing

(9) Power system network security

(10) Multi-energy system integration

◕ Intelligent Power and Energy Systems

(1) Smart grid operation and control

(2) Computational intelligence in power systems

(3) Smart energy management systems

(4) Energy trading and intelligent dispatch

(5) Smart energy integration into smart cities

(6) AI-based power system planning

(7) Big data applications in power systems

(8) Smart energy monitoring systems

(9) Sustainable smart energy technologies

(10) Intelligent power system fault management