scholarly journals Potential of Renewable Energy Sources usage in an energy demand of a single-family houses neighbourhood, constituting an Energy Cluster – a case study

2020 ◽  
Vol 172 ◽  
pp. 25004
Author(s):  
Marcin Zygmunt ◽  
Dariusz Gawin
Keyword(s):  
Renewable Energy ◽  
Energy Demand ◽  
Fossil Fuels ◽  
Renewable Energy Sources ◽  
Energy Sources ◽  
Building Energy Efficiency ◽  
Single Family ◽  
Continuous Growth ◽  
Profitability Analysis ◽  
Energy Cluster

Worldwide policy referring to global warming and air pollution assumes several main guidelines, in which Renewable Energy Sources (RES) usage simultaneously with limitation of fossil fuels in energy production seems to be a major goal. Nowadays, the continuous growth of RES usage within final energy consumption is becoming an obvious part of many country’s development. Adding to that relentless pursuit for improvement of building energy efficiency results in prediction, that in nearest future one should expect the development of advanced city-scale areas constituting an Energy Cluster. The paradigm of Energy Cluster (EC) allows us to define an energy flexibility neighbourhood. This article presents the results of energy analysis of a model neighbourhood of single-family houses with possible usage of RES. The neighbourhood constituting an EC was defined considering the Polish household sector statistical study. The analyzed area consists of representative single-family houses of Poland, characterized by different built periods, building shape and geometry as well as building enclosure parameters. Within the analysis, a detailed examination of a defined EC was performed by means of TEAC – computer tool developed by authors. TEAC is based on the results of energy simulations obtained by means of Energy Plus software and Artificial Neural Network (ANN) usage. Artificial Intelligence (AI) was used for energy demand predictions of buildings. Among possible RES a detailed analysis of solar and wind energy usage was performed. As a result, we obtained an hourly energy demand space- and time distribution, RES outputs, ecological analysis concerning greenhouse gasses emission and profitability analysis of proposed modernizations for the neighbourhood.

scholarly journals Paris Climate Summit and Turkey's Renewable Energy Policies

2016 ◽  
Vol 13 (1) ◽  
pp. 54-71
Author(s):  
Füsun Çelebi Boz ◽  
Turgut Bayramoğlu
Keyword(s):  
Renewable Energy ◽  
Energy Demand ◽  
Fossil Fuels ◽  
Greenhouse Gas Emission ◽  
Human Life ◽  
Renewable Energy Sources ◽  
Energy Sources ◽  
Low Carbon ◽  
Energy Policies ◽  
Negative Effects

Abstract The increase in population and urbanization which emerged together with industrialization have brought the increase in energy demand with them. Carbon emissions rise as a result of the increase in energy demand and lead to climate change. Such changes in climate have negative effects on not only the environment but human life as well. Therefore, countries should implement energy policies with low carbon density in order to reduce greenhouse gas emission. In this context, preferring renewable energy sources can prevent temperature increase by reducing the effects of fossil fuels on the environment. Turkey should attach importance to renewable energy sources and invest in these sources in accordance with the commitments accepted at the Paris Climate Summit in order to reduce carbon emission.

scholarly journals Modelling and Environmental Assessment of a Stand-Alone Micro-Grid System in a Mountain Hut Using Renewables

Energies ◽  
2021 ◽  
Vol 15 (1) ◽  
pp. 202
Author(s):  
Mitja Mori ◽  
Manuel Gutiérrez ◽  
Mihael Sekavčnik ◽  
Boštjan Drobnič
Keyword(s):  
Renewable Energy ◽  
Environmental Impacts ◽  
Energy Demand ◽  
Electricity Generation ◽  
Fossil Fuels ◽  
Renewable Energy Sources ◽  
Energy Sources ◽  
Minor Effect ◽  
Lifecycle Assessment ◽  
Micro Grid

Mountain huts are stand-alone micro-grid systems that are not connected to a power grid. However, they impact the environment by generating electricity and through day-to-day operations. The installed generator needs to be flexible to cover fluctuations in the energy demand. Replacing fossil fuels with renewable energy sources presents a challenge when it comes to balancing electricity generation and consumption. This paper presents an integration-and-optimization process for renewable energy sources in a mountain hut’s electricity generation system combined with a lifecycle assessment. A custom computational model was developed, validated with experimental data and integrated into a TRNSYS model. Five different electricity generation topologies were modelled to find the best configuration that matches the dynamics and meets the cumulative electricity demand. A lifecycle assessment methodology was used to evaluate the environmental impacts of all the topologies for one typical operating year. The carbon footprint could be reduced by 34% in the case of the actually implemented system upgrade, and by up to 47% in the case of 100% renewable electricity generation. An investment cost analysis shows that improving the battery charging strategy has a minor effect on the payback time, but it can significantly reduce the environmental impacts.

Research on Implement of the Application of Demonstration of Renewable Energy Source in Architecture in Liangshan State

2014 ◽  
Vol 886 ◽  
pp. 484-488
Author(s):  
Mei Xiong
Keyword(s):  
Renewable Energy ◽  
State Government ◽  
Energy Demand ◽  
Renewable Energy Sources ◽  
Weather Conditions ◽  
Energy Sources ◽  
Building Energy Efficiency ◽  
Ecological Civilization ◽  
Continuous Innovation ◽  
Shallow Geothermal Energy

With the increasing energy demand in China, environmental pollution caused by energy shortage and its utilizing process becomes an important factor restricting ecological civilization construction. Developing renewable energy sources and promoting energy production and consumption ensure ecological civilization and beautiful China construction. Based on this political and economic environment, according to special weather conditions and geographical environment, Liangshan state government sets an example of application of renewable energy sources such as solar and shallow geothermal energy in architecture. This research focuses on the analysis of demonstration project, the study of importance and the necessity of building energy efficiency. This experience guides the application of renewable energy sources in architecture in the direction of continuous innovation and advancement.

scholarly journals Transient Stability Improvement of Wind Farm Integrated Power System using STATCOM

2019 ◽  
Vol 8 (6S3) ◽  
pp. 802-805
Keyword(s):  
Renewable Energy ◽  
Power System ◽  
Energy Demand ◽  
Wind Farm ◽  
Transient Stability ◽  
Renewable Energy Sources ◽  
System Stability ◽  
Energy Sources ◽  
Continuous Growth ◽  
Wind Generators

The need for Interconnected power system is increasing day by day because of continuous growth of Electrical energy demand and to transmit Electric power to remote places at minimum cost and minimum losses. With the operation of power system in interconnected manner, maintaining the system security is difficult task i.e. whenever a disturbance occurs, the system undergoes stability problems. Even though Conventional energy sources are available, Electrical Engineers prefer Renewable energy sources integration because of Energy crisis and pollution problems related to the former, one such Renewable energy source is Wind power. Wind energy has major share in Renewable energy sources because of its abundant availability in the nature. Whenever Wind generators coupled to the power system, the system exhibits drooping voltage characteristics and this situation becomes worse during faults. This condition can be neutralised with FACTS (Flexible AC transmission system) devices, one such FACTS device is STATCOM (static synchronous compensator). STATCOMsupports reactive and real power exchange and also improves Transient stability of the system because of its superior characteristics and quick response. In this paper a 9 bus Wind farm integrated test power system is taken and stability studies are done. Since, Wind farm is integrated with the system whenever a fault occurs, overall system stability is reduced i.e. the conventional synchronous generators can withstand it, whereas the Wind generators can’t. So to enhance the Transient stability of the system, a STATCOM is installed and the system behaviour is observed.

scholarly journals Impact of location characteristics on renewable energy production for a group of buildings

2019 ◽  
Vol 116 ◽  
pp. 00084
Author(s):  
Krystian Szczerbak
Keyword(s):  
Renewable Energy ◽  
Heat Pump ◽  
Energy Demand ◽  
Renewable Energy Sources ◽  
Heat Pumps ◽  
Hot Water ◽  
Energy Sources ◽  
Solar Collectors ◽  
Single Family ◽  
Northern Regions

The climate in Poland is slightly disparate in each region. The differences in temperature not always come along with the intensity of solar radiation in 5 climate zones. South of the country is colder, but well irradiated by the Sun and northern regions have milder climate, but are less irradiated. This fact alone makes people consider the suitability and safety of using renewable energy sources such as air-to-water heat pumps, solar collectors and photovoltaics instead of more traditional, fossil fuel powered sources. This paper presents a comparison analysis of energy demand and the cost for heating in a group of single-family buildings by 4 variants (gas boiler, gas boiler and solar collectors, air-to-water heat pump, air-to-water heat pump and photovoltaics) in 5 chosen cities in each polish climate zone. Calculations were done for space heating and domestic hot water energy demand, CO2 emissions and cumulative costs for all variants and locations. The results confirm the inconsistency of polish climate and have shown profitability and utility of renewable energy sources.

scholarly journals Towards Green, Enhanced Photocatalysts for Hydrogen Evolution

Catalysts ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 93
Author(s):  
Antonella Profumo ◽  
Andrea Speltini
Keyword(s):  
Renewable Energy ◽  
Adverse Effects ◽  
Hydrogen Evolution ◽  
Energy Demand ◽  
Fossil Fuels ◽  
Renewable Energy Sources ◽  
Global Environment ◽  
Energy Sources ◽  
Constant Growth

The constant growth of energy demand joined with the adverse effects on the global environment induced by use of fossil fuels is increasingly requiring new routes to obtain clean and renewable energy sources [...]

scholarly journals Potential of Renewable Energy Sources in Gökçeada Turkey

2014 ◽  
Author(s):  
Ümran Şengül ◽  
Sibel Tan ◽  
Şermin Atak ◽  
Ahmet Bilal Şengül
Keyword(s):  
Renewable Energy ◽  
Energy Demand ◽  
Fossil Fuels ◽  
Renewable Energy Sources ◽  
Population Increase ◽  
Energy Sources ◽  
Energy Potential ◽  
Goods And Services ◽  
Energy Evaluation ◽  
Harmful Emissions

Energy is the ability to do work and life is the source of life. In parallel to the increase of population increase in the production of goods and services are increasingly in demand for energy. Evaluation of all sources of energy that can be produced now it has become very necessary. Widely used in meeting the energy demand of fossil fuels (oil, gas, coal) are limited energy resources and emissions are more harmful emissions. Spread of harmful emissions lessened even the most important problems is that they will end done day. From this perspective, the assessment of renewable energy sources in the world is an important issue. Gökçeada, Turkey is the largest island and the hills and plains lined one after the other, with a rugged structure consists of volcanic mass. Gökçeada consists of 77% mountainous, 12 % hilly and 11% plains and in terms of wind energy, which is the region with the greatest potential in Turkey. However, in terms of Gökçeada development index the least developed regions in the sixth regions, which is located in class. From this perspective, in this study, which will provide an important contribution to the region development of renewable energy sources wind, solar, tidal and renewable, biofuels and Hydraulics energy potential and capacity were investigated. Based on the data obtained, recommendations are made to invest in the renewable energy sector.

scholarly journals A Multicriteria Decision-Making Model for the Selection of Suitable Renewable Energy Sources

Mathematics ◽  
2021 ◽  
Vol 9 (12) ◽  
pp. 1318
Author(s):  
Chia-Nan Wang ◽  
Jui-Chung Kao ◽  
Yen-Hui Wang ◽  
Van Thanh Nguyen ◽  
Viet Tinh Nguyen ◽  
...  
Keyword(s):  
Decision Making ◽  
Renewable Energy ◽  
Energy Demand ◽  
Fossil Fuels ◽  
Renewable Energy Sources ◽  
Energy Resource ◽  
Energy Sources ◽  
New Production ◽  
Decision Making Model ◽  
Selection Of

With the expansion of its industrial and manufacturing sectors, with the goal of positioning Vietnam as the world’s new production hub, Vietnam is forecast to face a surge in energy demand. Today, the main source of energy of Vietnam is fossil fuels, which are not environmentally friendly and are rapidly depleting. The speed of extraction and consumption of fossil fuels is too fast, causing them to become increasingly scarce and gradually depleted. Renewable energy options, such as solar, wind, hydro electrical, and biomass, can be considered as sustainable alternatives to fossil fuels. However, to ensure the effectiveness of renewable energy development initiatives, technological, economic, and environmental must be taken in consideration when choosing a suitable renewable energy resource. In this research, the authors present a multi-criteria decision-making model (MCDM) implementing the grey analytic hierarchy process (G-AHP) method and the weighted aggregates sum product assessment (WASPAS) method for the selection of optimal renewable energy sources for the energy sector of Vietnam. The results of the proposed model have determined that solar energy is the optimal source of renewable energy with a performance score of 0.8822, followed by wind (0.8766), biomass (0.8488), and solid waste energy (0.8135) based on the calculations of the aforementioned methods.

Nigeria: Advancing the Cause of Renewable Energy in Nigeria’s Power Sector Through its Legal Framework

2021 ◽  
Vol 50 (4-5) ◽  
pp. 433-444
Author(s):  
Olusola Joshua Olujobi ◽  
Temilola Olusola-Olujobi
Keyword(s):  
Renewable Energy ◽  
Fossil Fuels ◽  
Renewable Energy Sources ◽  
Legal Framework ◽  
Comparative Approach ◽  
Energy Sources ◽  
Power Sector ◽  
Alternative Source ◽  
Regulatory Policies ◽  
Oil Sector

Fossil fuels have been the mainstream of energy supply and a major source of foreign exchange earnings for the Federal Government of Nigeria, in spite of being an unrenewable and unsustainable source of energy. Nigeria is yet to tap into the full benefits after privatising its power sector, including the new global evolution in the energy sector and the resulting increasing demand for renewable energy sources, which some consider to be cheaper and more environmentally friendly than fossil fuels and their allied products. Energy security is a challenge to socio-economic development in Nigeria, due to the country’s over-dependency on fossil fuels. In terms of their impact and the potentials to preserve energy sources for longevity and sustainability, however, fossil fuels will come to be seen as an out-dated alternative in the power sector as the energy industry evolves. The implications for Nigeria’s oil sector will not be limited to dwindling crude oil prices. The concerns include poor energy utilisation in Nigeria and the need to promote energy efficiency and sustainability. They have led to the formulation of new energy policies around the world to serve as a vehicle for translating solutions into reality. This study has adopted a library-based legal research method with a comparative approach. The study reveals that it is the lack of a coherent legal framework with incentives for using renewable energy that is largely seen as the key issue causing slow uptake of renewable energy as an alternative source of energy in Nigeria. As well as the need for a coherent legal framework on energy and incentives for using renewable energy sources, the study advocates stringent enforcement of existing energy regulatory policies.

scholarly journals Advances in Underground Energy Storage for Renewable Energy Sources

2021 ◽  
Vol 11 (11) ◽  
pp. 5142
Author(s):  
Javier Menéndez ◽  
Jorge Loredo
Keyword(s):  
European Union ◽  
Renewable Energy ◽  
Energy Storage ◽  
Natural Gas ◽  
Greenhouse Gas ◽  
Fossil Fuels ◽  
Renewable Energy Sources ◽  
Energy Sources ◽  
The European Union ◽  
Coal Fuel

The use of fossil fuels (coal, fuel, and natural gas) to generate electricity has been reduced in the European Union during the last few years, involving a significant decrease in greenhouse gas emissions [...]

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