Abstract

Regional energy development and approaches are significant for China’s overall economic and social development. The GDP in Zhejiang province surpassed 6 trillion yuan in 2019, and its energy consumption reached 200 million tons of standard coal (tce), both of which are at the forefront of China. In order to explore the main factors of the increase in energy consumption in Zhejiang and provide essential references for energy saving and other provinces, this paper analyzes the total energy consumption and industrial sectors on the basis of the logarithmic mean divisia index (LMDI) model. Study results show that the economy’s scale is the most crucial factor affecting Zhejiang’s energy consumption, with a significant growth effect. In 2015, the scale effect increased energy consumption to the highest value of 14 million tce and then reduced it to 13 million tce in 2019. The impact of the population on energy consumption increased by 10 million tce from 2010 to 2019. Energy intensity reduces energy consumption by between 0.05 and 0.15 billion tce per year, which is the main factor in reducing energy consumption. The energy structure generally plays a weak positive role due to the different energy types. The decomposition of the energy consumption per unit of value added in the industrial sector showed that the intensity and structural effect primarily reduce energy consumption, for example, the metal smelting and rolling, textile printing and paper, electric power, heating, and other industries. According to the results, enterprises should enhance the intelligence and efficiency of dispatch management and emergency responses. Zhejiang should also accelerate an international oil and gas trading center and resource allocation base to reach its carbon-neutrality goal.

Highlights

  • The issue of climate change is an important factor restricting the sustainable development of human society that has attracted widespread global attention [1]

  • The unit value-added energy A of the industrial sector is equal to the weighted average of energy intensity B of each sub-industry, and the weight is the proportion of the added value of each sub-industry to the total industrial value-added [36]:

  • Since 2000, the output index of Zhejiang’s main industrial energy-consuming pafirbdoeedrcsu11re35crat00ess00aefcih(rsseetdeeFxthipgeeuirrrieeGCCpn3eheDc)maee.PmkdHesniaictgaarhrlaoFepuinibndeedrrign2yc0-rc1eo5an,seswu, wmithhinicaghvpewrroaadgsGTPeuifelgcoangtslIsrlnsrooosowwunnc-etfhhderarbrsoayuptesaisgMslioeroftowan1lsd6ao%nwdancnhoderm1ev9ic%eanl, respectively, which were 10% and 7% higher than the GDP growth rate period

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Summary

Introduction

The issue of climate change is an important factor restricting the sustainable development of human society that has attracted widespread global attention [1]. Greenhouse gas emissions, mainly carbon dioxide, are the most important cause of global climate change [2]; burning fossil fuels is the most important source of greenhouse gases. China’s total energy consumption surpassed the EU in 2007 and the United States in 2010, becoming the world’s largest energy consumer [3]. In 2019, global fossil-fuel carbon dioxide emissions reached a record high, about 33 billion tons. China’s greenhouse gas emissions accounted for 27% of global emissions [4]. In the general debate of the 75th United Nations General Assembly, Chinese President Xi Jinping stated that China would increase its nationally determined contribution and adopt more effective policies and measures to deal with global warming. China aims to reach a peak with its carbon dioxide emissions before 2030 and to achieve carbon neutrality by 2060

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