its chemical consumption reached 200 million tons of standard coal

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Regional energy development and its approaches are of great significance to China's economic and social development.

Regional energy development and its approaches are of great significance to China's economic and social development. In 2019, Zhejiang's GDP exceeded 6 trillion yuan, and its chemical consumption reached 200 million tons of standard coal, ranking among the top in the country. In order to explore the main influencing factors of energy consumption growth in Zhejiang Province, and provide necessary references for energy conservation and emission reduction and other provinces, this paper analyzes the total energy consumption and industrial sectors of Zhejiang Province based on the logarithmic mean division index (LMDI) model. The research results show that economic scale is the most critical factor affecting energy consumption in Zhejiang and has a significant growth effect. In 2015, the scale effect increased energy consumption to a maximum of 14 million tce, and then reduced it to 13 million tce in 2019. From 2010 to 2019, the impact of population on energy consumption increased by 10 million tons. Energy intensity can reduce energy consumption by 0.05-15 million tce per year, which is the main factor in reducing energy consumption. Due to the different types of energy, the energy structure generally plays a weak positive role. The decomposition results of energy consumption per unit of industrial value added show that the energy consumption of metal smelting and rolling, textile printing and papermaking, electricity, heating and other industries is mainly affected by intensity and structural effects. According to the research results, enterprises should improve the intelligence and efficiency of dispatch management and emergency response. Zhejiang should speed up the construction of an international oil and gas trading center and resource allocation base to achieve the goal of carbon neutrality.

The issue of climate change is an important factor restricting the sustainable development of human society and has aroused widespread concern around the world. Greenhouse gas emissions, mainly carbon dioxide, are the most important cause of global climate change; 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. In 2019, global fossil fuel carbon dioxide emissions reached a record 33 billion tons. China's greenhouse gas emissions account for 27% of global emissions. In order to achieve the "below 2°C" target in the Paris Agreement, carbon dioxide emissions must be drastically reduced, but increasing emissions make this target more difficult to achieve. Chinese President Xi Jinping stated in the general debate of the 75th United Nations General Assembly that China will increase its nationally determined contribution and adopt more effective policy measures to combat global warming. China’s goal is to peak its carbon dioxide emissions by 2030, and to achieve carbon neutrality by 2060.
Zhejiang's GDP has long been among the top five in the country, reaching 62.355 trillion yuan in 2019. However, Zhejiang’s energy consumption increased from 65.6 million tce in 2000 to 224 million tce in 2019, an average annual increase of 6.7%. As an economically developed province in China, Zhejiang is also a province with high energy consumption in China. In 2019, Zhejiang's energy consumption was 224 million tons, which is equivalent to South Korea's energy consumption and surpasses the UK's energy consumption. In energy consumption, the secondary industry accounted for 68.1%, an increase of 0.5% over the previous year, of which manufacturing accounted for approximately 66%. In terms of controlling energy consumption, it can achieve effective emission reduction without having too much negative impact on Zhejiang’s economic development. It is necessary to decompose the factors of energy consumption growth in Zhejiang Province, and analyze the industrial sector at the same time to find out the characteristics of energy consumption and development in Zhejiang Province. On the one hand, analysis can provide practical and theoretical support for the government to transform the existing economic development model as soon as possible and achieve carbon emission reduction targets. On the other hand, it can point out the direction for future energy-saving work and avoid the negative impact of improper energy-saving work on Zhejiang’s economic development.
According to the method, it can be divided into index decomposition analysis (IDA) and structure decomposition analysis (SDA). IDA and SDA are commonly used to study energy and environmental issues. These methods are the most widely used in decomposing energy consumption and carbon emission factors.