Abstract
China once again promises to manage energy consumption and peak CO2 emission around 2030 in Paris Agreement in 2016 that expresses her ambition of mitigating emission. Using renewable energy to optimize energy structure is recognized as effective countermeasure to reduce GHG emission. Additionally, it is inevitable that improving energy efficiency is still core issue in energy usage. Smart Grid (SG) and renewable energy are collectively introduced in this research. Power supply and demand model is constructed to analyze the effect of SG and renewable energy on energy usage. Input-Output (I-O) simulation model is applied to make dynamic analysis based on extended I-O framework. Comprehensive model is constructed to evaluate the impact of SG and renewable energy on economic growth, energy usage and environmental improvement under different emission limitation. The proper policies covering carbon tax and subsidy are proposed to mitigate GHG emission, improve energy usage and optimize economic structure. Trade-off among economic growth, energy conversation and environmental improvement is realized in the study area.
Highlights
Greenhouse gas (GHG) emission has cumulatively increase over the last decade in despite of a growing number of mitigation policies were implemented
As one of most developed region in China, energy consumption of Zhejiang province measured by coal equivalent increase by 63% in 2005-2015 (ZPBS, 2016) and thermal power accounts for 79.8 % of total power supply (CEC, 2013), which exposes enormous amounts of GHG is still being emitted along with economy averagely grows at 10% during the decade (ZPBS, 2016)
gross regional product (GRP) grows to 10,263.7 billion Chinese Yuan (CNY) at average annual growth rate (AAGR) of 6.0% (See table 6) while GHG emits 1.87 billion tons in 2030 in S0, which reflects real economic growth and GHG emission without any policy implementation
Summary
Greenhouse gas (GHG) emission has cumulatively increase over the last decade in despite of a growing number of mitigation policies were implemented. Global emissions of CO2 from fossil fuel combustion and cement production have continued to grow by 2.5% per year on average over the past decade CO2 emission caused by energy consumption will continuously increase to 360Gt by 2040 even though it will be mitigated from 6.5 to 1.6Gt each year (IEA 2016). As one of most developed region in China, energy consumption of Zhejiang province measured by coal equivalent increase by 63% in 2005-2015 (ZPBS, 2016) and thermal power accounts for 79.8 % of total power supply (CEC, 2013), which exposes enormous amounts of GHG is still being emitted along with economy averagely grows at 10% during the decade (ZPBS, 2016)
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