scholarly journals FPV for Sustainable Electricity Generation in a Large European City

2021 ◽  
Vol 14 (1) ◽  
pp. 349
Author(s):  
Bogdan Popa ◽  
Liana Ioana Vuta ◽  
Gabriela Elena Dumitran ◽  
Irina Picioroaga ◽  
Madalina Calin-Arhip ◽  
...  
Keyword(s):  
Electricity Generation ◽  
Renewable Energy Sources ◽  
Large City ◽  
Investment Project ◽  
Total Energy Consumption ◽  
Large Cities ◽  
Carbon Dioxide Co2 ◽  
Charging Stations ◽  
Sustainable Electricity ◽  
Near Future

There is a huge interest worldwide related to continuously increasing the use of renewable energy sources (RES) for electricity generation. Romania, at this moment, even though it has to attain a share of 30.7% of RES from total energy consumption by 2030, does not have any major investment project of this kind in the near future. Photovoltaic (PV) is one of the most promising technologies, with decreasing prices for PV panels but with the disadvantage of large, needed surfaces. This study presents a solution to install PV panels where there is a need for electricity, in a large city, by using the surface of a reservoir. “Lacul Morii” Reservoir in Bucharest is the choice for the case study. The insolation and the possibility to install floating PV, as well as electricity generation, benefits for water quality and carbon dioxide (CO2) emissions reduction are assessed, and even the installation of charging stations for electric bikes and cars. The results are very promising, and the main conclusion is that, after its realization, the floating photovoltaic (FPV) plant on “Lacul Morii” Reservoir will be a source of clean electricity and a demonstration project on how to benefit from solar energy to produce electricity in large cities where there are reservoirs.

scholarly journals Wood biomass for energy in Montenegro

2010 ◽  
Vol 14 (3) ◽  
pp. 783-798 ◽  
Author(s):  
Gradimir Danon ◽  
Milosav Andjelic ◽  
Branko Glavonjic ◽  
Ratko Kadovic ◽  
Mladen Furtula
Keyword(s):  
Renewable Energy Sources ◽  
Raw Material ◽  
Wood Biomass ◽  
Total Energy Consumption ◽  
Wood Residue ◽  
Government Organizations ◽  
The North ◽  
The Government ◽  
Near Future ◽  
Biomass For Energy

Wood biomass has got its place in the energy balance of Montenegro. A little more than 6% of the total energy consumption is obtained by burning wood. Along with the appropriate state measures, it is economically and environmentally justified to expect Montenegro to more than double the utilization of the existing renewable energy sources including wood biomass, in the near future. For the purpose of achieving this goal, ?Commercial utilization of the Wood Residue as a Resource for Economic Development in the North of Montenegro? project was carried out in 2007. The results of this project were included in the plan of the necessary interventions of the Government and its Agencies, associations or clusters, non-government organizations and interested enterprises. The plan was made on the basis of the wood residue at disposal and the attitude of individual subjects to produce and/or use solid bio-fuels and consists of a proposal of collection and utilization of the wood residue for each individual district in the north of Montenegro. The basic factors of sustainability of future commercialization of the wood residue were: availability of the wood raw material, and thereby the wood residue; the development of wood-based fuel markets, and the size of the profit.

Law, Policy, and the Development of Renewable Energy for Electricity: A Case for a Renewable Energy Law in Nigeria

2021 ◽  
Vol 49 (1) ◽  
pp. 3-15
Author(s):  
Kamoru Taiwo Lawal
Keyword(s):  
Renewable Energy ◽  
Electricity Generation ◽  
Renewable Energy Sources ◽  
Energy Sources ◽  
Renewable Electricity ◽  
Electric Power Sector ◽  
Renewable Energy Law ◽  
Policy Direction ◽  
Sustainable Electricity ◽  
Energy Law

AbstractNigeria faces a perennial problem of inadequate electricity generation and supply. Electricity generation from fossil fuel sources has not succeeded in meeting the electricity needs of the country. And attempts to diversify electricity generation sources to include renewable energy sources have not been successful. Although there is a policy direction supporting the inclusion of renewable energy sources for electricity generation, the Electric Power Sector Reform Act 2005 (ESPR) has not succeeded in achieving the country's sustainable electricity drive. Nigeria needs to vigorously pursue its renewable electricity objectives through a law dedicated to encouraging uptake of renewable energy. This article examines the law and the policies underpinning Nigeria's sustainable electricity drive through a critique of the EPSR Act and the energy policy in light of Nigeria's renewable electricity objectives.

scholarly journals Photovoltaics: Reviewing the European Feed-in-Tariffs and Changing PV Efficiencies and Costs

2014 ◽  
Vol 2014 ◽  
pp. 1-10 ◽  
Author(s):  
H. L. Zhang ◽  
T. Van Gerven ◽  
J. Baeyens ◽  
J. Degrève
Keyword(s):  
Electricity Generation ◽  
Photovoltaic System ◽  
Process Efficiency ◽  
Solar Irradiation ◽  
Energy Potential ◽  
Levelized Cost ◽  
Cost Of Energy ◽  
Sustainable Electricity ◽  
Near Future

Feed-in-Tariff (FiT) mechanisms have been important in boosting renewable energy, by providing a long-term guaranteed subsidy of the kWh-price, thus mitigating investment risks and enhancing the contribution of sustainable electricity. By ongoing PV development, the contribution of solar power increases exponentially. Within this significant potential, it is important for investors, operators, and scientists alike to provide answers to different questions related to subsidies, PV efficiencies and costs. The present paper therefore (i) briefly reviews the mechanisms, advantages, and evolution of FiT; (ii) describes the developments of PV, (iii) applies a comprehensive literature-based model for the solar irradiation to predict the PV solar energy potential in some target European countries, whilst comparing output predictions with the monthly measured electricity generation of a 57 m² photovoltaic system (Belgium); and finally (iv) predicts the levelized cost of energy (LCOE) in terms of investment and efficiency, providing LCOE values between 0.149 and 0.313 €/kWh, as function of the overall process efficiency and cost. The findings clearly demonstrate the potential of PV energy in Europe, where FiT can be considerably reduced or even be eliminated in the near future.

A Review on Utilization of Fly- Ash and Pond-Ash as a Partial Replacement of Cement in Concrete Mix Design

2018 ◽  
pp. 413-418
Author(s):  
Harshkumar Patel ◽  
Yogesh Patel
Keyword(s):  
Fly Ash ◽  
Electricity Generation ◽  
Power Plants ◽  
Renewable Energy Sources ◽  
Thermal Power ◽  
Strength Test ◽  
Partial Replacement ◽  
Pond Ash ◽  
Research Activities ◽  
Ash Disposal

Now-a-days energy planners are aiming to increase the use of renewable energy sources and nuclear to meet the electricity generation. But till now coal-based power plants are the major source of electricity generation. Disadvantages of coal-based thermal power plants is disposal problem of fly ash and pond ash. It was earlier considered as a total waste and environmental hazard thus its use was limited, but now its useful properties have been known as raw material for various application in construction field. Fly ash from the thermal plants is available in large quantities in fine and coarse form. Fine fly ash is used in construction industry in some amount and coarse fly ash is subsequently disposed over land in slurry forms. In India around 180 MT fly is produced and only around 45% of that is being utilized in different sectors. Balance fly ash is being disposed over land. It needs one acre of land for ash disposal to produce 1MW electricity from coal. Fly ash and pond ash utilization helps to reduce the consumption of natural resources. The fly ash became available in coal based thermal power station in the year 1930 in USA. For its gainful utilization, scientist started research activities and in the year 1937, R.E. Davis and his associates at university of California published research details on use of fly ash in cement concrete. This research had laid foundation for its specification, testing & usages. This study reports the potential use of pond-ash and fly-ash as cement in concrete mixes. In this present study of concrete produced using fly ash, pond ash and OPC 53 grade will be carried. An attempt will be made to investigate characteristics of OPC concrete with combined fly ash and pond ash mixed concrete for Compressive Strength test, Split Tensile Strength test, Flexural Strength test and Durability tests. This paper deals with the review of literature for fly-ash and pond-ash as partial replacement of cement in concrete.

Machine learning roles in advancing the power network stability due to deployments of renewable energies and electric vehicles

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Mohamad Nassereddine
Keyword(s):  
Machine Learning ◽  
Renewable Energy ◽  
Electric Vehicles ◽  
Renewable Energy Sources ◽  
Energy Sources ◽  
Power Network ◽  
Network Stability ◽  
Fast Charging ◽  
Electrical Loads ◽  
Charging Stations

AbstractRenewable energy sources are widely installed across countries. In recent years, the capacity of the installed renewable network supports large percentage of the required electrical loads. The relying on renewable energy sources to support the required electrical loads could have a catastrophic impact on the network stability under sudden change in weather conditions. Also, the recent deployment of fast charging stations for electric vehicles adds additional load burden on the electrical work. The fast charging stations require large amount of power for short period. This major increase in power load with the presence of renewable energy generation, increases the risk of power failure/outage due to overload scenarios. To mitigate the issue, the paper introduces the machine learning roles to ensure network stability and reliability always maintained. The paper contains valuable information on the data collection devises within the power network, how these data can be used to ensure system stability. The paper introduces the architect for the machine learning algorithm to monitor and manage the installed renewable energy sources and fast charging stations for optimum power grid network stability. Case study is included.

scholarly journals The remaining CO2 budget: a comparison of the CO2 emissions of diesel and BEV drivetrain technology

2021 ◽  
Author(s):  
Christian Böhmeke ◽  
Thomas Koch
Keyword(s):  
Electric Vehicle ◽  
Carbon Footprint ◽  
Electricity Generation ◽  
Renewable Energy Sources ◽  
Energy Sources ◽  
Battery Electric Vehicle ◽  
Useful Life ◽  
Vehicle Fleet ◽  
Real Time Simulations ◽  
Diesel Vehicle

AbstractThis paper describes the CO2 emissions of the additional electricity generation needed in Germany for battery electric vehicles. Different scenarios drawn up by the transmission system operators in past and for future years for expansion of the energy sources of electricity generation in Germany are considered. From these expansion scenarios, hourly resolved real-time simulations of the different years are created. Based on the calculations, it can be shown that even in 2035, the carbon footprint of a battery electric vehicle at a consumption of 22.5 kWh/100 km including losses and provision will be around 100 g CO2/km. Furthermore, it is shown why the often-mentioned German energy mix is not suitable for calculating the emissions of a battery electric vehicle fleet. Since the carbon footprint of a BEV improves significantly over the years due to the progressive expansion of renewable-energy sources, a comparison is drawn at the end of this work between a BEV (29.8 tons of CO2), a conventional diesel vehicle (34.4 tons of CO2), and a diesel vehicle with R33 fuel (25.8 tons of CO2) over the entire useful life.

scholarly journals Towards 100% Renewables by 2030: Transition Alternatives for a Sustainable Electricity Sector in Isla de la Juventud, Cuba

Energies ◽  
2021 ◽  
Vol 14 (10) ◽  
pp. 2862
Author(s):  
Mika Korkeakoski
Keyword(s):  
Renewable Energy ◽  
Power System ◽  
Electric Power ◽  
Renewable Energy Sources ◽  
Electric Power System ◽  
Electricity Production ◽  
Energy Sources ◽  
Cuban Government ◽  
Isla De La Juventud ◽  
Near Future

Renewable Energy Sources (RES) have become increasingly desirable worldwide in the fight against global climate change. The sharp decrease in costs of especially wind and solar photovoltaics (PV) have created opportunities to move from dependency on conventional fossil fuel-based electricity production towards renewable energy sources. Renewables experience around 7% (in 2018) annual growth rate in the electricity production globally and the pace is expected to further increase in the near future. Cuba is no exception in this regard, the government has set an ambitious renewable energy target of 24% RES of electricity production by the year 2030. The article analyses renewable energy trajectories in Isla de la Juventud, Cuba, through different future energy scenarios utilizing EnergyPLAN tool. The goal is to identify the best fit and least cost options in transitioning towards 100% electric power systemin Isla de la Juventud, Cuba. The work is divided into analysis of (1) technical possibilities for five scenarios in the electricity production with a 40% increase of electricity consumption by 2030: Business As Usual (BAU 2030, with the current electric power system (EPS) setup), VISION 2030 (according to the Cuban government plan with 24% RES), Advanced Renewables (ARES, with 50% RES), High Renewables (HiRES, with 70% RES), and Fully Renewables (FullRES, with 100% RES based electricity system) scenarios and (2) defining least cost options for the five scenarios in Isla de la Juventud, Cuba. The results show that high penetration of renewables is technically possible even up to 100% RES although the best technological fit versus least cost options may not favor the 100% RES based systems with the current electric power system (EPS) setup. This is due to realities in access to resources, especially importation of state of the art technological equipment and biofuels, financial and investment resources, as well as the high costs of storage systems. The analysis shows the Cuban government vision of reaching 24% of RES in the electricity production by 2030 can be exceeded even up to 70% RES based systems with similar or even lower costs in the near future in Isla de la Juventud. However, overcoming critical challenges in the economic, political, and legal conditions are crucially important; how will the implementation of huge national capital investments and significant involvement of Foreign Direct Investments (FDI) actualize to support achievement of the Cuban government’s 2030 vision?

Sustainable Electricity Generation with Solar Updraft Towers

2004 ◽  
Vol 14 (3) ◽  
pp. 225-229 ◽  
Author(s):  
Jörg Schlaich ◽  
Rudolf Bergermann ◽  
Wolfgang Schiel ◽  
Gerhard Weinrebe
Keyword(s):  
Electricity Generation ◽  
Sustainable Electricity

ANALYSIS OF THE EFFICIENCY AND RISKS OF USING RENEWABLE ENERGY SOURCES IN THE RUSSIAN FEDERATION IN THE ERA OF ENERGY TRANSITION

2021 ◽  
Vol 1 (11) ◽  
pp. 75-82
Author(s):  
Elena V. Karanina ◽  
◽  
Maxim A. Bortnikov ◽  
Keyword(s):  
Renewable Energy ◽  
Russian Federation ◽  
Renewable Energy Sources ◽  
Electric Power Industry ◽  
Energy Transition ◽  
Support Program ◽  
Energy Sources ◽  
Small Hydropower ◽  
The Russian Federation ◽  
Near Future

Many leading world powers are already setting ambitious goals to achieve zero CO2 emis-sions in the electric power industry through the use of renewable energy sources (RES) in the near future. In Russia, this type of generation also received state support, however, more modest, due to the low intercon-nection between Russia and renewable energy sources in terms of the state's energy security. The purpose of the study is to determine the effectiveness of the existing support for renewable energy in the Russian Federation, to assess the feasibility of building these facilities in our country, as well as to provide a scientifically substantiated proposal for alternative ways of developing the industry. The paper analyzes and summarizes the economic aspects of investment and operating activities of wind, solar and small hydropower in Russia. As a result, it was concluded that the pace of development chosen by the Ministry of Energy of the Russian Federation can be considered correct, but it is necessary to adjust the support program and diversify in terms of the subjectivity of the construction of new generating facilities based on RES.

scholarly journals Assessment of on-site steady electricity generation from renewable energy sources in Chile

2019 ◽  
Vol 158 ◽  
pp. 1099-1104
Author(s):  
Luis Ramirez Camargo ◽  
Javier Valdes ◽  
Yunesky Masip Macia ◽  
Wolfgang Dorner
Keyword(s):  
Renewable Energy ◽  
Electricity Generation ◽  
Renewable Energy Sources ◽  
Energy Sources
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