How China's electricity generation sector can achieve its carbon intensity reduction targets?

Zhao, Yuhuan; Cao, Ye; Shi, Xunpeng; Li, Hao; Shi, Qiaoling; Zhang, Zhonghua

doi:10.1016/j.scitotenv.2019.135689

Cited by 47 publications

(16 citation statements)

References 41 publications

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“…In fact, substantial emission has been reduced from Chinese power plants after the introduction of ultra-low emissions standards (Tang et al, 2019). Suppose the coal-fired power plants apply the current mainstream ultrasupercritical generators, which emit about 453 g of CO 2 per kilowatt/hour (Zhao et al, 2020). The SO 2 , NO x , and PM emission rates are 0.165 g/kWh, 0.239 g/kWh, 0.028 g/kWh, respectively (Tang et al, 2019).…”

Section: Emission Reduction Effectmentioning

confidence: 99%

“…They adopted the Continuous Emission Monitoring Systems Network to calculate the emission factors after the introduction of ultra-low emissions standards. The emission rate of CO 2 is obtained from the work of Zhao et al (2020). Zhao et al (2020) estimate the carbon emission factor of coal-fired power plants of China in 2020.…”

Section: Emission Reduction Effectmentioning

confidence: 99%

“…The emission rate of CO 2 is obtained from the work of Zhao et al (2020). Zhao et al (2020) estimate the carbon emission factor of coal-fired power plants of China in 2020. Their estimation is founded on the base of the emission factors proposed by Shan et al (2018), which are closer to China's actual survey value than that of IPCC (2015).…”

Section: Emission Reduction Effectmentioning

confidence: 99%

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Environmental Benefit and Investment Value of Hydrogen-Based Wind-Energy Storage System

2021

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Alongside the rapid expansion of wind power installation in China, wind curtailment is also mounting rapidly due to China’s energy endowment imbalance. The hydrogen-based wind-energy storage system becomes an alternative to solve the puzzle of wind power surplus. This article introduced China’s energy storage industry development and summarized the advantages of hydrogen-based wind-energy storage systems. From the perspective of resource conservation, it estimated the environmental benefits of hydrogen-based wind-energy storages. This research also builds a valuation model based on the Real Options Theory to capture the distinctive flexible charging and discharging features of the hydrogen-based wind-energy storage systems. Based on the model, simulation results, including the investment value and operation decision of the hydrogen energy storage system with different electricity prices, system parameters, and different levels of subsidies, are presented. The results show that the hydrogen storage system fed with the surplus wind power can annually save approximately 2.19–3.29 million tons of standard coal consumption. It will reduce 3.31–4.97 million tons of CO2, SO2, NOx, and PM, saving as much as 286.6–429.8 million yuan of environmental cost annually on average. The hydrogen-based wind-energy storage system’s value depends on the construction investment and operating costs and is also affected by the mean-reverting nature and jumps or spikes in electricity prices. The market-oriented reform of China’s power sector is conducive to improve hydrogen-based wind-energy storage systems’ profitability. At present, subsidies are still essential to reduce initial investment and attract enterprises to participate in hydrogen energy storage projects.

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Section: Emission Reduction Effectmentioning

confidence: 99%

Section: Emission Reduction Effectmentioning

confidence: 99%

Section: Emission Reduction Effectmentioning

confidence: 99%

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Environmental Benefit and Investment Value of Hydrogen-Based Wind-Energy Storage System

2021

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“…In the global Climate Change Action Plan for a 2 • C reduction, the Chinese government promised to peak their CO 2 emission by 2030. As the main sector responsible for carbon emissions, power generation needs to undertake the primary mission of reducing CO 2 emission through a significant transformation from an energy structure where coal is a leading resource to a cleaner energy structure (Zhao et al, 2020). Jiangsu Province, the second highest electricity consumption area in the country, consumed around 6,128.3 TWh electricity in 2018.…”

Section: Introductionmentioning

confidence: 99%

Generation Expansion Planning Considering the Output and Flexibility Requirement of Renewable Energy: The Case of Jiangsu Province

Yang

Deng

et al. 2020

Front. Energy Res.

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This study presents a generation expansion planning by incorporating the impacts of renewable energy on the generation mix. The wind-solar power output and its flexibility requirement are integrated into an optimization model to provide the realistic representation of wind and solar energy resources. The model is then used for the power system optimization planning of Jiangsu Province. A comparison of power demand, electricity price subsidies, and carbon emission intensity scenarios reveals the power planning scheme and optimization path for power system integrating increasing renewable energy. The results suggest that the installed capacity of renewable energy will increase from 21.6 to 133.2 GW in the baseline scenario during the planning period, with its share ranging from 17.9 to 53.7%. Solar photovoltaic power is expected to contribute 72% of renewable capacity and 39% of total capacity by 2050. The impact of electricity price subsidies on solar PV generation expansion is particularly significant. Additionally, the flexibility requirement of power systems can basically be satisfied with the available generation technologies; however, it would become severe if the flexibility requirement grows faster than the flexible generation.

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“…Fly ash from coal combustion is a typical example of a waste material which has been used by the cement industry throughout the years especially due to the demonstrated pozzolanic activity of coal fly ash. However, in the light of increased awareness and commitments to climate change, and CO2 reduction emission, coal combustion became an undesired source of primary energy (Zhao et al, 2020). In fact, coal combustion power plants generate CO2 (also SO2 and NOX), and their operation is expected to be reduced in the near future.…”

Section: Efforts To Lower Co2 Footprint Of Cementmentioning

confidence: 99%

Improving circularity of biomass ash : a theoretical, experimental, and modelling approach to find sustainable solutions for application in cement or soil

Tosti¹

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Evaluating biomass ash properties as influenced by feedstock and thermal conversion technology towards cement clinker production with a lower carbon footprint ABSTRACT 1. INTRODUCTION 1.1. Biomass ash as raw clinker material 2. MATERIAL AND METHODS 2.1. Phyllis database 2.2. ALLASKA Database 3. RESULTS AND DISCUSSION 3.1. Biomass feedstock composition 3.2. Biomass ash composition 3.2.1. Burnability of fly ash as raw material for cement production 3.2.2. Mineral composition and thermal treatment of selected biomass ash 3.2.3. Content of elements in biomass ash with potentially adverse effects on clinker quality 4. CONCLUSIONS BIBLIOGRAPHY CHAPTER 3

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How China's electricity generation sector can achieve its carbon intensity reduction targets?

Cited by 47 publications

References 41 publications

Environmental Benefit and Investment Value of Hydrogen-Based Wind-Energy Storage System

Environmental Benefit and Investment Value of Hydrogen-Based Wind-Energy Storage System

Generation Expansion Planning Considering the Output and Flexibility Requirement of Renewable Energy: The Case of Jiangsu Province

Improving circularity of biomass ash : a theoretical, experimental, and modelling approach to find sustainable solutions for application in cement or soil

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