(Topics include but are not limited to)
energy efficiency 
renewable energy
Wind energy
solar energy
Hydrogen energy
geothermal energy
nuclear energy
Tidal energy
New energy vehicles
clean energy
New energy materials and devices
thermodynamics
Energy management and sustainable development
Regional energy internet
Regional Integrated Energy System
Collaborative scheduling of source network load storage
Key equipment and demonstration of energy Internet
Information Technology in Energy Internet
Energy Internet Energy Management Technology
Big Data and Artificial Intelligence
The Internet of Things and Digital Twins
Mobile Internet Application
Cloud computing, edge computing