2019, Volume 21, Issue 5
Strategic Study of CAE >> 2019, Volume 21, Issue 5 doi: 10.15302/J-SSCAE-2019.05.007
Analysis of Medium- and Long-term Coupling Effect of Energy- and Water-Saving Policies in Urban and Rural Areas in Beijing
1. State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Beijing Normal University, Beijing 100875, China;
2. Beijing Engineering Research Center for Watershed Environmental Restoration & Integrated Ecological Regulation, Beijing 100875, China
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Abstract
An energy-water coupling model is established in this paper based on long-range energy alternatives planning (LEAP)
and water evaluation and planning (WEAP), scenarios are then designed to explore the energy- and water-saving effects of different
policies in Beijing in the future and their coupling effects, and sensitivity analysis of the results is also conducted. Results show that the total energy consumption in Beijing will grow gradually by year, while water shortage is unlikely to occur. During the 13th Five-Year Plan, the total energy-saving amount owing to water-saving policies is 1.003 million tonnes of standard coal, and the total water-saving amount owing to energy-saving policies has reached 276 million cubic meters. The energy demand and water demand by residents’living, the service industry, the construction industry, and the traditional manufacturing industry are correlated, as they are critical energy-water coupling sectors. In terms of energy- and water-saving effects in different scenarios and periods, the industrial structure optimization policy shows great energy-saving potentials in the short term, while irrigation technology innovation and planting structure optimization in the agricultural sector have both good energy- and water-saving effects in the short term. A coordinated energy- and water-saving effect can be found in energy-saving scenarios in the service industry and the industrial sector. As for policies in the same sector, regulation on energy use intensity can achieve an obvious coordinated energy- and water-saving effect.
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