Status of Biomass Combustion Technologies in China

2009 ◽  
Author(s):  
Bin Li ◽  
Shenghong Ma
Keyword(s):  
Power Generation ◽  
Renewable Energy ◽  
Social Benefit ◽  
Energy Utilization ◽  
Biomass Combustion ◽  
Energy Structure ◽  
The Past ◽  
The Status ◽  
Power And Energy ◽  
Alternative Energies

With the developing and increasing of the economy, China is faced with the pressure from economy increasing and shortage of energy. Chinese power and energy structure inclines to be diversified. With consideration of the environmental, economical and social benefit of renewable energy utilization, evidently, biomass will play great roles in the future alternative energies; in China, biomass power generation has developed rapidly in the past few years for its promising prospect. In this paper, the status, trend, and the potential of biomass firing power in China are discussed; the feasibility and the significance of the large-scaled biomass power generation technologies are investigated; a series of measurement to reach the goals are proposed herein.

scholarly journals Agricultural Residue Management for Sustainable Power Generation: The Poland Case Study

2021 ◽  
Vol 11 (13) ◽  
pp. 5907
Author(s):  
Valerii Havrysh ◽  
Antonina Kalinichenko ◽  
Anna Brzozowska ◽  
Jan Stebila
Keyword(s):  
Power Generation ◽  
Spatial Distribution ◽  
Renewable Energy ◽  
Renewable Energy Sources ◽  
Agricultural Waste ◽  
Energy Utilization ◽  
Evaluation Methodology ◽  
Energy Sources ◽  
Energy Potential ◽  
Agricultural Residue

The European Union has set targets for renewable energy utilization. Poland is a member of the EU, and its authorities support an increase in renewable energy use. The background of this study is based on the role of renewable energy sources in improving energy security and mitigation of climate change. Agricultural waste is of a significant role in bioenergy. However, there is a lack of integrated methodology for the measurement of its potential. The possibility of developing an integrated evaluation methodology for renewable energy potential and its spatial distribution was assumed as the hypothesis. The novelty of this study is the integration of two renewable energy sources: crop residues and animal husbandry waste (for biogas). To determine agricultural waste energy potential, we took into account straw requirements for stock-raising and soil conservation. The total energy potential of agricultural waste was estimated at 279.94 PJ. It can cover up to 15% of national power generation. The spatial distribution of the agricultural residue energy potential was examined. This information can be used to predict appropriate locations for biomass-based power generation facilities. The potential reduction in carbon dioxide emissions ranges from 25.7 to 33.5 Mt per year.

Energy Network Operation in the Supercomputing Era

2015 ◽  
pp. 242-262
Author(s):  
Tianxing Cai ◽  
Neha Gupta
Keyword(s):  
Power Generation ◽  
Renewable Energy ◽  
Nuclear Power ◽  
Power Transmission ◽  
Power Delivery ◽  
Energy Materials ◽  
Potential Applications ◽  
Network Operation ◽  
Power And Energy ◽  
Energy Network

Power delivery has become more dissimilar with that of the previous era. Conventional power and energy materials, such as relic fuels, nuclear power, and renewable energy (solar power, geothermal, hydroelectric, wind power, and biomass), are already present. The energy network operation becomes complicated because the integration of power generation, energy conversion, power transportation, and power utilization should be considered. There is an intricate assignment for us to perform swift power transmission for the extremely urgent situations. These situations are the results of regional lack of energy that needs to be brought back as soon as possible. Advanced supercomputing has already been one of the powerful solutions to work out these issues. This chapter initially presents an introduction of some of the supercomputing techniques and then the potential applications and demonstration examples follow to give the readers some hint on the handling of energy network operation.

scholarly journals Driving and Influencing Factors of Biomass Energy Utilization from the Perspective of Farmers

2021 ◽  
Vol 39 (1) ◽  
pp. 269-274
Author(s):  
Minghao Liu ◽  
Zhaoyong Sun ◽  
Qian Li ◽  
Zheng Wei ◽  
Baorui Liang
Keyword(s):  
Renewable Energy ◽  
Influencing Factors ◽  
Rural Areas ◽  
Renewable Energy Sources ◽  
Living Environment ◽  
Biomass Energy ◽  
Energy Utilization ◽  
Utilization Efficiency ◽  
Energy Sources ◽  
Energy Structure

Biomass energy is one of the most important renewable energy sources. Full utilization of this energy helps to optimize agricultural development, improve our living environment, and replace some non-renewable energy sources, thereby promoting the eco-environment across the country. However, biomass energy has not been extensively utilized in rural areas of China. Many farmers are not very enthusiastic about the use of biomass energy. Many scholars have tried to boost the willingness of farmers to utilize biomass energy. Therefore, this paper collects the relevant data from six aspects, namely, environmental factor, cost factor, income factor, behavior factor, policy factor, and personal factor, and constructs a binary logistic regression model. On this basis, the driving and influencing factors of biomass energy utilization were empirically analyzed from the perspective of farmers. The results show that the development of biomass energy is mainly affected by the farmers’ awareness of national energy strategy, the relevant costs of biomass utilization, and the attitude of family members and village committee. The research provides an important reference for further promotion of biomass energy, elevation of its utilization efficiency, and optimization of energy structure in rural China.

The Uses of Renewable Energy in Buildings

2021 ◽  
pp. 257-274
Author(s):  
Paul C. Okonkwo ◽  
El Manaa Barhoumib ◽  
Wesam H. Beitelmal ◽  
Israr I. U. Hassan ◽  
Michael Nnamdi Azubuike ◽  
...  
Keyword(s):  
Power Generation ◽  
Renewable Energy ◽  
Government Policy ◽  
Power Plants ◽  
Fossil Fuels ◽  
Energy Utilization ◽  
Pivotal Phase ◽  
Coal Power Plants ◽  
Coal Power ◽  
Renewable Energy Generation

Only 5% of Australia's energy utilization comes from renewables, while 86.3% of the electricity is produced from fossil fuels. Nonetheless, this pattern has been disturbed by the ongoing decommissioning and closure of old coal power plants, alongside the Australian policy to reduce fossil fuel emissions. Presently, Australia is at a pivotal phase of its change to renewable energy power generation and utilization specifically in residential and commercial buildings. Sustainability in renewable energy utilization is being achieved through guided government policies, reasonable energy costs, and improved energy technology transfer approaches. To give a refreshed delineation of renewable energy, related government policy, and the route ahead in the Australian setting, this chapter presents a deliberate Australia update with renewable energy generation and utilization in Australian buildings.

scholarly journals Research on Multi-Objective Optimization Model for Hybrid Energy System Considering Combination of Wind Power and Energy Storage

2021 ◽  
Vol 13 (6) ◽  
pp. 3098
Author(s):  
Jing Wu ◽  
Zhongfu Tan ◽  
Keke Wang ◽  
Yi Liang ◽  
Jinghan Zhou
Keyword(s):  
Renewable Energy ◽  
Energy Storage ◽  
Wind Power ◽  
Energy System ◽  
Energy Utilization ◽  
Total System ◽  
Renewable Energy Consumption ◽  
Hybrid Energy System ◽  
Hybrid Energy ◽  
Power And Energy

With the development of renewable energy, the grid connection is faced with great pressure, for its generation uncertainty and fluctuation requires larger reserve capacity, and higher operation costs. Energy storage system, as a flexible unit in the energy system, can effectively share the reserve pressure of the system by charging and discharging behaviors. In order to further improve the renewable energy utilization, the combination of wind power and energy storage for hybrid energy system is proposed. On considering the power generation characteristics, the objective functions are maximizing the system revenue and minimizing the system energy loss. Combined with the robust optimization theory, the model is transformed and solved. The results show that the application of the energy storage will effectively promote the renewable energy consumption, and the combination of the wind power and energy storage will achieve more effective utilization of the night-time wind power and cut down the total system cost.

scholarly journals Regional Heterogeneity of Carbon Emissions and Peaking Path of Carbon Emissions in the Bohai Rim Region

2021 ◽  
Vol 2021 ◽  
pp. 1-13
Author(s):  
Chuanhui Wang ◽  
Mengzhen Zhao ◽  
Weifeng Gong ◽  
Zhenyue Fan ◽  
Wenwen Li
Keyword(s):  
Renewable Energy ◽  
Carbon Emissions ◽  
Energy Intensity ◽  
Industrial Structure ◽  
High Energy ◽  
Energy Utilization ◽  
Total Carbon ◽  
Energy Structure ◽  
Bohai Rim ◽  
Carbon Peak

Taking the Bohai Rim region as the research object and based on the relevant data of energy consumption, GDP, and energy structure from 2000 to 2019, the total carbon emissions of the provinces and cities from 2020 to 2050 were predicted. The carbon peak situation of each province and municipality in the Bohai Rim region was also analyzed. A comparative analysis of the peaks among the provinces and cities has been carried out. The results show the following: (1) it is predicted that Beijing will reach its carbon peak before 2025. Tianjin is predicted to reach its carbon peak before 2030. Renewable energy development and utilization technologies in the two municipalities are crucial to achieving carbon peaks when energy intensity is already low. (2) Shandong and Shanxi have a heavy energy structure, are coal-minded, and have high energy intensity, while the replacement rate of renewable energy is relatively low. Shandong and Shanxi are predicted to reach carbon peaks around 2030. Liaoning also has the problem of heavy industrial structure, and it is predicted to reach the carbon peak before 2027. (3) Hebei itself relies on Beijing, and its renewable energy utilization technology is relatively advanced. It is predicted to reach the carbon peak before 2026. The energy intensity of Inner Mongolia has decreased rapidly, and it is predicted to reach the carbon peak before 2029. Therefore, according to the forecast results and the analysis of the similarities and differences among the provinces and cities, some specific suggestions for the optimization of the energy structure and the development of renewable energy in each province and city have been proposed in order to promote the comprehensive realization of the regional carbon peak goal in the Bohai Rim region.

scholarly journals Wind energy development in Morocco: Evolution and impacts

2021 ◽  
Vol 11 (4) ◽  
pp. 2811
Author(s):  
Touria Haidi ◽  
Bouchra Cheddadi ◽  
Faissal El Mariami ◽  
Zineb El Idrissi ◽  
Ali Tarrak
Keyword(s):  
Renewable Energy ◽  
Wind Energy ◽  
Wind Power ◽  
Electrical Energy ◽  
Energy Integration ◽  
Power Capacity ◽  
Energy Mix ◽  
The Past ◽  
The Status ◽  
The Impact

<p>Over the past ten years, Morocco has been focusing on developing renewable energy, especially wind power. This new energy policy has enabled it to become, in 2017, the leading country in the Middle East and North Africa region and the second one in Africa in terms of installed wind power capacity. In 2019, Morocco moved for the first time from the status of electricity importer to that of electricity exporter, better yet green electricity. This paper provides a quantitative study of the demand, production and installed power capacity of electrical energy in Morocco over the past two decades. It mainly focuses on the evolution of installed wind power capacity and its share in the global energy mix during this period, as well as its future prospects by year 2030. This article presents a synthesis work based on an updated assessment of the carried-out wind projects and aims to assess the realization of Morocco’s national energy strategy which sets out to achieve 42% of renewable energy by 2020, and more specifically 14% of the overall energy mix being wind energy. It also aims to show the impact of wind energy integration in terms of energy autonomy, industrial integration and CO2 emissions reduction.</p>

scholarly journals Trendline Assessment of Solar Energy Potential in Hungary and Current Scenario of Renewable Energy in the Visegrád Countries for Future Sustainability

2021 ◽  
Vol 13 (10) ◽  
pp. 5462
Author(s):  
Baibhaw Kumar ◽  
Gábor Szepesi ◽  
Zsolt Čonka ◽  
Michal Kolcun ◽  
Zsolt Péter ◽  
...  
Keyword(s):  
Renewable Energy ◽  
Solar Energy ◽  
Energy Demand ◽  
Power Plants ◽  
Energy Utilization ◽  
Free Access ◽  
Energy Potential ◽  
The Status ◽  
Solar Power Plants ◽  
Visegrád Countries

This article aims to present some opportunities for improved solar energy utilization by raising the share of renewables in energy generation in the Visegrád Countries (Poland, Czech Republic, Slovakia, and Hungary). The analysis is based on the status of the renewable energy targets in the member countries and their future possibilities. This paper derives input through a thorough investigation of independent data, government policies, European Commission reports, and other data available online with free access. The analysis is processed by focusing on Hungary, as a country with various possible facets of solar energy demand and supply in the region. The assessment methodology is in the context of a geographical map, technical regression analysis, temperature distribution profiles, and the relative trends of solar potential in Hungary. The country currently has ten solar power plants with more than 10 MWp, and five remarkable plants under 10 MWp capacity spread over Hungary. The analysis on geographical aspects clubbed with technical and solar affecting parameters was carried out to harvest the sustainable potential of solar energy in the region. This study attempts to establish a relationship between the current and future prospects of solar energy in Hungary as a nation, and as part of the Visegrád countries, based on assessment for a sustainable future.

scholarly journals Study on China’s Renewable Energy Policy Reform and Improved Design of Renewable Portfolio Standard

Energies ◽  
2019 ◽  
Vol 12 (11) ◽  
pp. 2147 ◽  
Author(s):  
Fugui Dong ◽  
Lei Shi ◽  
Xiaohui Ding ◽  
Yuan Li ◽  
Yongpeng Shi
Keyword(s):  
Power Generation ◽  
Renewable Energy ◽  
Policy Reform ◽  
Electricity Price ◽  
Energy Structure ◽  
Renewable Portfolio Standard ◽  
Successful Implementation ◽  
Function Model ◽  
Revenue Function ◽  
The Impact

China officially implemented the renewable portfolio standard (RPS) on 1 January 2019, and it remains uncertain as to whether this can effectively solve the problem of renewable energy consumption in China and ease the pressure of government subsidies. In order to study the impact of this policy on China’s renewable energy power generation and explore RPS policy that is more suitable for the characteristics of China’s renewable energy, we first develop a revenue function model based on the just released RPS policy to explore the effectiveness of the policy, the feasibility conditions for successful implementation, and the problems that may be encountered during the implementation process. Then, we propose policy recommendations based on the possible problems of the current policy and design an “incremental electricity price” supplementary policy to improve the possibility of successful implementation of the RPS policy. Finally, an evolutionary game model is established to simulate and verify the possibility of successful implementation of the supplementary policy. The main research results are: (1) the essence of the current RPS policy is the comprehensive implementation policy of the RPS and feed-in-tariff (FiT); (2) because of the characteristics of China’s energy structure, the implementation of this policy reform is more resistant; (3) the quantitative research on the revenue function model shows that the current transaction price of the green certificate market is very low, which is not conducive to alleviating the state’s subsidy pressure on renewable energy power generation; and (4) analysis of empirical data shows that the successful implementation of the “incremental electricity price” policy relies on the initial strategies of grid companies and users.

scholarly journals Characterization of Renewable Energy Utilization Mode for Air-Environmental Quality Improvement through an Inexact Factorial Optimization Approach

2019 ◽  
Vol 11 (8) ◽  
pp. 2429
Author(s):  
Zhengping Liu ◽  
Wang Zhang ◽  
Hongxian Liu ◽  
Guohe Huang ◽  
Jiliang Zhen ◽  
...  
Keyword(s):  
Renewable Energy ◽  
Environmental Quality ◽  
Hot Spot ◽  
Energy Systems ◽  
Energy Utilization ◽  
Energy Structure ◽  
Optimization Approach ◽  
Effective Management ◽  
Systems Management ◽  
Environmental Objectives

Energy-related environmental problems have been hot spot issues in regional energy system sustainable development. Thus, comprehensive planning of energy systems management is important for social and economic development, as well as environmental sustainability. In addition, uncertainties and complexities, as well as their potential interactions pose a great challenge for effective management in energy and environmental system. This study proposes a stochastic factorial energy systems management model to conduct uncertainties and risks in the energy systems, as well as handle their interaction effects among different environmental policies. The developed method can not only tackle uncertainties expressed as probability distributions and even interval values, but also be applied to determine decision alternatives associated with multiple economic penalties if the formulated environmental policy targets are violated. Meanwhile, by introducing the factorial technology, it can analyze a parameter’s impact on the system and their coordination effect. To verify the feasibility and effectiveness of the proposed method, the developed model was applied to a hypothetical case study for energy structure optimization under considering energy supply, SO2 emissions reduction, and environmental quality requirements. Multiple facilities, related environmental pollutants, and energy demand levels were taken into account. Moreover, the key factors of the system and their interaction effect were discovered. The results indicated that the developed method can resolve meritorious uncertainties in decision-making and analysis, generate effective management programming under multi-levels of the proposed energy and environmental systems. The method can be used for supporting the adjustment for allocating fossil fuels and renewable energy resources, analyzing the tradeoff between conflicting economic and environmental objectives and formulating the local policies.

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