Decomposition analysis of CO2 emissions from electricity generation in China |
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| Affiliation: | 1. School of Management, China University of Mining and Technology, Sanhuan South Road, Xuzhou 221116, PR China;2. School of Science, China University of Mining and Technology, Sanhuan South Road, Xuzhou 221116, PR China;1. School of Economics and Management, Beijing University of Technology, Beijing 100124, PR China;2. School of Natural Resources and Environment, University of Michigan, Ann Arbor, MI 48109-1041, United States;3. State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210046, PR China;4. Department of Civil and Environmental Engineering, University of Michigan, Ann Arbor, MI 48109-2125, United States;5. School of Environment and Safety Engineering, Qingdao University of Science & Technology, Qingdao 266042, PR China;6. China Datang Corporation, Beijing 100032, PR China;7. School of Economics and Management, North China Electric Power University, Beijing 102206, PR China;8. China Electricity Council, Beijing 100761, PR China;9. Department of Industrial Engineering, De La Salle University, Manila 1004, Philippines;10. Energy Research Institute, Shanghai Jiao Tong University, Shanghai 200240, PR China;1. China University of Mining and Technology, Xuzhou 221116, China;2. Beijing Institute of Technology, Beijing 100875, China;1. China Electricity Council, Beijing 100761, China;2. North China Electric Power University, Beijing 102206, China;1. College of Management and Economics, Tianjin University, Tianjin 300072, China;2. Key Laboratory of Efficient Utilization of Low and Medium Grade Energy, Tianjin University, Ministry of Education, Tianjin 300072, China;3. Center for Energy and Environmental Policy, Institute of Science and Management, Chinese Academy of Sciences, Beijing 100190, China;1. Electric Power Planning & Engineering Institute, Beijing 100120, China;2. Collaborative Innovation Center for Regional Environmental Quality, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China;3. Center for Global Change Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA |
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| Abstract: | Electricity generation in China mainly depends on coal and its products, which has led to the increase in CO2 emissions. This paper intends to analyze the current status of CO2 emissions from electricity generation in China during the period 1991–2009, and apply the logarithmic mean Divisia index (LMDI) technique to find the nature of the factors influencing the changes in CO2 emissions. The main results as follows: (1) CO2 emission from electricity generation has increased from 530.96 Mt in 1991 to 2393.02 Mt in 2009, following an annual growth rate of 8.72%. Coal products is the main fuel type for thermal power generation, which accounts for more than 90% CO2 emissions from electricity generation. (2) This paper also presents CO2 emissions factor of electricity consumption, which help calculate CO2 emission from final electricity consumption. (3) In China, the economic activity effect is the most important contributor to increase CO2 emissions from electricity generation, but the electricity generation efficiency effect plays the dominant role in decreasing CO2 emissions. |
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