(I) Energy Science and Technology
(01) Development and Utilization of Solar Energy
(02) Development and Utilization of Biomass Energy
(03) Development and Utilization of Wind Energy
(04) Nuclear Energy Engineering
(05) Storage Technology
(06) Energy-saving Technology
(07) Hydrogen and Fuel Cell
(08) Energy Materials
(09) Energy Chemical Engineering
(10) Energy Security and Clean Use
(11) New Energy Vehicles, Electric Vehicles
(12) Energy-efficient Lighting Products and Technologies
(13) Green Building Materials and Energy-saving Buildings
(14) Energy Equipment

(II) Environmental Science and Engineering
(15) Environmental Chemistry and Biology
(16) Environmental Materials
(17) Environmental Safety and Health
(18) Environmental Planning and Assessment
(19) Environmental Analysis and Monitoring
(20) Environmental Engineering
(21) Pollution Control Project (Air, Water, Solid)
(22) Waste Disposal and Recycling
(23) Water Supply and Drainage Engineering
(24) Noise and Vibration Control
(25) Clean Production Process
(26) Hydrology and Water Resources Engineering
(27) Architectural Environment & Equipment Engineering
(28) Soil and Water Conservation and Desertification Control
(29) Environmental Protection
(30) Cultivation and Conservation of Forest
(31) Plant Protection
(32) Geographic Information and Remote Sensing Science
(33) Land Resources Environment and Urban Planning

(III) Motivation, Electrical Engineering and Automation
(34) Engineering Thermophysics
(35) Thermal Engineering
(36) Power Machinery and Engineering
(37) Fluid Machinery and Engineering
(38) HVAC, Air Conditioning and Refrigeration
(39) Power System and Automation
(40) High Voltage and Insulation Technology
(41) Motor and Electrical
(42) Electrician Theory and New Technology
(43) Power Electronics and Power Drives
(44) Smart Grid Technologies
(45) Power System Management
(46) Manufacturing Automation
(47) Design Automation
(48) Precision Automation
(49) Information Automation
(50) Biomedical Automation

(IV) The Development and Utilization of Resources
(51) Mineral Prospecting and Exploration
(52) Mining Engineering
(53) Mining Machinery Engineering
(54) Mineral Process Engineering
(55) Oil and Gas Well Development Projects
(56) Petrochemical Engineering
(57) Metallurgical Engineering
(58) Forestry Engineering
(59) Storage and Processing of Agricultural Products

(V) Theory and practice of Sustainable Development
(60) Energy Saving, Environmental Protection, Low Carbon Ideas
(61) Urban and Regional Planning
(62) Development and Management of the Energy Industry
(63) Environmental Protection and Economic Development
(64) The Global Climate Change and International Cooperation on Reducing Carbon Emissions
(65) The Analysis of International Energy Demand and Supply
(66) The Analysis of National Energy Strategy and Decision-making
(67) The Production and Operations of Energy Companies
(68) Ecological Economy,Circular Economy and Low-carbon Economy

(VI) other related topics
(69) Other related topics