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Energies 2011, 4(12), 2295-2310; doi:10.3390/en4122295

Alternative Scenarios for the Development of a Low-Carbon City: A Case Study of Beijing, China

State Key Joint Laboratory of Environmental Simulation and Pollution Control, School of Environment, Beijing Normal University, Beijing 100875, China
Author to whom correspondence should be addressed.
Received: 31 October 2011 / Revised: 30 November 2011 / Accepted: 9 December 2011 / Published: 20 December 2011
(This article belongs to the Special Issue Low Carbon Transitions Worldwide)
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The establishment of low-carbon cities has been suggested all over the World, since cities are key drivers of energy usage and the associated carbon emissions. This paper presents a scenario analysis of future energy consumption and carbon emissions for the city of Beijing. The Long-range Energy Alternatives Planning (LEAP) model is used to simulate a range of pathways and to analyze how these would change energy consumption and carbon emissions from 2007 to 2030. Three scenarios have been designed to describe future energy strategies in relation to the development of Beijing city, namely a reference scenario (RS), control scenario (CS), and integrated scenario (IS). The results show that under the IS the total energy demand in Beijing is expected to reach 88.61 million tonnes coal equivalent (Mtce) by 2030 (59.32 Mtce in 2007), 55.82% and 32.72% lower than the values under the RS and the CS, respectively. The total carbon emissions in 2030 under the IS, although higher than the 2007 level, will be 62.22% and 40.27% lower than under the RS and the CS, respectively, with emissions peaking in 2026 and declining afterwards. In terms of the potential for reduction of energy consumption and carbon emissions, the industrial sector will continue to act as the largest contributor under the IS and CS compared with the RS, while the building and transport sectors are identified as promising fields for achieving effective control of energy consumption and carbon emissions over the next two decades. The calculation results show that an integrated package of measures is the most effective in terms of energy savings and carbon emissions mitigation, although it also faces the largest challenge to achieve the related targets. View Full-Text
Keywords: LEAP model; low-carbon city; energy saving; emissions reduction; scenario analysis LEAP model; low-carbon city; energy saving; emissions reduction; scenario analysis

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Zhang, L.; Feng, Y.; Chen, B. Alternative Scenarios for the Development of a Low-Carbon City: A Case Study of Beijing, China. Energies 2011, 4, 2295-2310.

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