scholarly journals Analysis of the requrements for installing photovoltaic systems in order to achieve improved performances: Case study of the City of Nis

2017 ◽  
Vol 15 (2) ◽  
pp. 145-152
Author(s):  
Marija Stamenkovic ◽  
Snezana Antolovic ◽  
Dragan Kostic ◽  
Mihailo Mitkovic
Keyword(s):  
Solar Energy ◽  
Energy Use ◽  
Pilot Project ◽  
Climatic Conditions ◽  
Renewable Energies ◽  
Small Scale ◽  
Photovoltaic Systems ◽  
Solar Plant ◽  
Sustainable Electricity ◽  
The City

The use of renewable energies is imperative nowadays. One of the ways to use clean technologies is installation of photovoltaic systems which convert solar energy into electricity, through solar plants. The country?s potential for usage of solar energy is determined by the analysis of climatic conditions. The research is conducted on the example of a small-scale solar plant - a pilot project installed in the city of Nis, concerning the analysis of the mounted system and giving the recommendations for their design with the aim of improving efficient energy use. Limitations in the installation of solar plants can occur in the case of an unfavorable position of the building where the installation is planned, and more often, the limitations are related to the investment costs and length of the repayment period of these kinds of technologies. This paper represents a promotion of sustainable electricity supply for our country and it is in correlation with the legal directives of using renewable energies.

scholarly journals Design and simulation of a 1-GWp solar photovoltaic power station in Sudan

Clean Energy ◽  
2021 ◽  
Vol 5 (1) ◽  
pp. 57-78
Author(s):  
Sohaib Nasr Mohamed Abdalla ◽  
Hakan Özcan
Keyword(s):  
Solar Energy ◽  
Net Present Value ◽  
Solar Power ◽  
Northern Region ◽  
Solar Photovoltaic ◽  
Power Station ◽  
Levelized Cost Of Electricity ◽  
Solar Plant ◽  
Performance Rate ◽  
The City

Abstract Developing nations have a critical need to increase electricity supply. Sudan has much unrealized potential for generating solar energy, particularly in the northern region. This research study focuses on designing a 1-GW solar power station in northern Sudan using the PVsyst7.0 software program. To determine the appropriate location for the solar-energy station, 14 criteria were evaluated. This process is generic and suitable for use in any other country. The method for conducting cash-flow estimates and return on investment is illustrated in the economic evaluation. The city of Dongola, the capital of the northern state, was selected because of its high annual irradiance on a horizontal surface at ~2333.2 kWh/m2. The simulation results show that the annual optimum tilt angle of inclination for photovoltaic (PV) modules is 30°, the energy production is 1 979 259 MWh/yr and the average annual performance rate is 0.810. In addition, the electric power consumption per capita in Sudan is 269 kWh/yr, so the proposed solar power plant with 1 979 259 MWh/yr can provide energy to 7.4 million people per year annually and reduce carbon emissions by ~18 million tons of carbon dioxide per year. Economic calculations show that the levelized cost of electricity (LCOE) is $0.06/kWh, the discounted payback period is ~11 years and the net present value is $635 291 000. As a result, the proposed grid-connected PV solar plant is considered economically, technically and environmentally feasible in Sudan.

Wind and solar energy utilization for seawater desalination and hydrogen production in the coastal areas of southern Iran

2020 ◽  
Vol 18 (6) ◽  
pp. 1951-1969 ◽  
Author(s):  
Mostafa Rezaei ◽  
Ali Mostafaeipour ◽  
Niloofar Jafari ◽  
Nafiseh Naghdi-Khozani ◽  
Ali Moftakharzadeh
Keyword(s):  
Energy Density ◽  
Hydrogen Production ◽  
Solar Energy ◽  
Production Systems ◽  
Coastal Areas ◽  
Renewable Energies ◽  
Water Desalination ◽  
Photovoltaic Systems ◽  
Seawater Desalination ◽  
Content Type

Purpose Acute shortage of potable water and energy supplies is expected to raise in developing countries in the near future. One solid way to address these issues is to exploit renewable energy resources efficiently. Hence, this study aims to investigate wind and solar energy use in the coastal areas of southern Iran for renewable-powered seawater desalination and hydrogen production systems. Design/methodology/approach To accomplish the aforementioned purpose, five areas most prone to the problems in Iran, namely, Mahshahr, Jask and Chabahar ports and Kish and Hormoz islands were scrutinized. To ascertain the amount of wind and solar energy available in the areas, Weibull distribution function, Angstrom–Prescott equation and HOMER software were used. Findings The findings indicated that wind energy density in Kish was 2,014.86 (kWh/m2.yr) and solar energy density in Jask equaled to 2,255.7 (kWh/m2.yr) which possessed the best conditions among the areas under study. Moreover, three commercial wind turbines and three photovoltaic systems were examined for supplying energy needed by the water desalination and hydrogen production systems. The results showed that application of wind turbines with rated power of 660, 750 and 900 kWh in Kish could result in desalting 934,145, 1,263,339 and 2,000,450 (m3/yr) of seawater or producing 14,719, 20,896 and 31,521 (kg/yr) of hydrogen, respectively. Additionally, use of photovoltaic systems with efficiency of %14.4, %17.01 and %21.16 in Jask could desalinate 287, 444 and 464 (m3/yr) of seawater or generate 4.5, 7 and 7.3 (kg/yr) of hydrogen, respectively. Originality/value Compared to the huge extent of water shortage and environmental pollution, there has not been conducted enough studies to obtain broader view regarding use of renewable energies to solve these issues in Iran. Therefore, this study tries to close this gap and to give other developing nations the idea of water desalination and hydrogen production via renewable energies.

scholarly journals Solar Pumps and Water-Energy Nexus in Gujarat, India: First Assessment of the World’s Largest Pilot on Grid-connected Solar Irrigation Pumps

2021 ◽  
Author(s):  
Tushaar Shah ◽  
Gyan Rai
Keyword(s):  
Solar Energy ◽  
Energy Use ◽  
Ghg Emissions ◽  
Pilot Project ◽  
Groundwater Depletion ◽  
Groundwater Abstraction ◽  
Large State ◽  
Groundwater Overdraft ◽  
Water Energy Nexus ◽  
Water Accounting

Abstract The epicentre of Gujarat’s perverse nexus between electricity subsidy and groundwater depletion lies in its legacy of 485,000 unmetered tubewell owners who have fiercely resisted metering for 20 years. These comprise 40 percent of Gujarat’s irrigation connections but account for 49 percent of agricultural load, 71 percent of energy use in groundwater abstraction and 90 percent of farm power subsidies. Suryashakti Kisan Yojana (SKY), a large, state-wide pilot project which solarised and net-metered 4215 tubewells and began paying farmers for evacuating surplus solar energy, has been enthusiastically embraced by unmetered and metered farmers alike. SKY promises politically acceptable resolution of a wicked energy-water conundrum that afflicts much of India and west Asia. Mainstreaming SKY can significantly reduce groundwater overdraft, GHG emissions and subsidy burden. It will increase farm incomes while radically improving energy-water accounting and management. Gujarat government should invest in compulsory, free-of-cost solarisation of tubewells. We show that doing so is profitable for government and beneficial for farmers, climate and environment.

scholarly journals Characterization of photovoltaic solar energy systems in a Colombian region

2021 ◽  
Vol 9 (2) ◽  
pp. 157-174
Author(s):  
Francy Nelly Jiménez García ◽  
Luisa Fernanda Echeverry Cardona ◽  
Olga Lucia Ocampo López ◽  
Alejandra Maria Restrepo Franco
Keyword(s):  
Solar Energy ◽  
Energy Systems ◽  
Small Scale ◽  
Photovoltaic Systems ◽  
Solar Photovoltaic ◽  
Evaluation Instrument ◽  
Sources Of Information ◽  
Photovoltaic Energy ◽  
Secondary Sources ◽  
Different Characteristics

Objective: To establish a baseline about the solar photovoltaic energy systems installed in the department of Caldas, Colombia. Methodology: The solar photovoltaic installations were identified from secondary sources of information, followed by field visits to collect information on the characteristics of these systems. An evaluation instrument was designed consisting of 6 categories which was subsequently evaluated by expert peers. It was applied accompanied by interviews with owners of the identified systems. Results: 41 solar photovoltaic systems were identified and installed in 11 municipalities of Caldas. Data was collected from 28 installations with different characteristics. 50% of the solar photovoltaic systems are in the Central-South region of Caldas. 71% of the systems are mainly installed in the urban area; 64% correspond to small-scale isolated solar photovoltaic energy generation systems, with a maximum power of less than 600W. These installations have become a viable energy alternative for the region and are being used especially for lighting and the operation of household appliances in residences, hotels, restaurants, and educational institutions. Conclusions: Although regulations on solar energy installations had not been established, these systems have already been implemented in the department in a successful, but moderate, manner.

CUBATURES FOR MEDIUM-SIZED PLUS ENERGY BUILDINGS

2017 ◽  
Vol 12 (2) ◽  
pp. 28-37
Author(s):  
Friedrich Sick ◽  
Lioba Ross
Keyword(s):  
Solar Energy ◽  
Energy Demand ◽  
Energy Use ◽  
Tall Buildings ◽  
Volume Ratio ◽  
Climatic Conditions ◽  
Positive Energy ◽  
Heating And Cooling ◽  
Building Simulations ◽  
Roof Area

INTRODUCTION On the basis of dynamic building simulations within a maximal realistic framework, it may be useful with respect to the overall energy balance to dispense with pursuing a minimal surface/volume ratio of buildings—thus minimizing heat losses across the building shell—in favor of solar energy use. The specific use of the building (here: office or residential) plays a crucial role. Balancing the energy demand for heating and cooling and a possible photovoltaic yield, a surplus is possible in all cases under investigation. Long, low unobstructed buildings perform best due to large portions of roof area suitable for solar energy use. For tall buildings with less roof area, parts of the facades may be used for solar applications which makes them also perform better than compact designs. If the total energy demand including auxiliary energy for HVAC and especially electricity for the office and residential usages, respectively, is considered, compact cubatures of the size considered here (about 3500 m2) are not capable of providing positive energy balances. Residential usage performs worse than office use. Investigations are performed for the climatic conditions of Berlin, Germany.

scholarly journals Solar Energy Microgeneration in Serrana Meso-Region: Project of a Grid-Connected Photovoltaic Power System in Lages/SC

2018 ◽  
Vol 6 (10) ◽  
pp. 206-225 ◽  
Author(s):  
Fernanda Cristina Silva Ferreira ◽  
Larissa Rodrigues Da Silva ◽  
Ricardo Farias Ferreira ◽  
Juan Carlos Guglielmo Benitez ◽  
Stéfano Frizzo Stefenon ◽  
...  
Keyword(s):  
Solar Energy ◽  
Power System ◽  
Electricity Generation ◽  
Environmental Problems ◽  
Renewable Energies ◽  
Energy Crisis ◽  
Photovoltaic Power ◽  
Photovoltaic Plant ◽  
The Cost ◽  
The City

Currently, renewable energies and their methods of use are being increasingly discussed due to the energy crisis in some regions and the environmental problems caused by pollution from other forms of electricity generation. One of the alternatives for electricity is solar energy, however, it is known that the cost for the construction of a photovoltaic plant in Brazil is still has a high and not feasible for some regions. Therefore, this work aims to make a study of the use of solar energy in the form of a Grid-Connected Photovoltaic Power System in the Serrana Meso-Region. For the development of this study will be conducted a study of the operation, factors that influence this type of electricity generation and its costs in the city of Lages/SC, this way evaluating its viability.

scholarly journals Factors Influencing Social Perception of Residential Solar Photovoltaic Systems in Saudi Arabia

2019 ◽  
Vol 11 (19) ◽  
pp. 5259 ◽  
Author(s):  
Khalid Alrashoud ◽  
Koji Tokimatsu
Keyword(s):  
Saudi Arabia ◽  
Solar Energy ◽  
Social Acceptance ◽  
Statistical Significance ◽  
Energy Transition ◽  
Relative Advantage ◽  
Small Scale ◽  
Photovoltaic Systems ◽  
Solar Photovoltaic ◽  
Cross Sectional

Saudi Arabia has taken major steps to shift from an oil-centered to more environmentally-focused economy. One approach made recently is to enable households to possess and generate electricity by using small-scale residential solar photovoltaic systems (RSPSs). However, the number of applications to install this technology in residences is significantly low. Social acceptance of solar energy is essential for a successful energy transition. Hence, the present study aims to examine factors that may potentially motivate or impede individuals from purchasing RSPSs based on the diffusion of innovations theory. A cross-sectional, web-based survey is conducted including 1498 participants from the five main regions of Saudi Arabia. Results revealed a good cognition level in relation to solar energy, where the majority (64–83%) of respondents are aware of the benefits. An overwhelming proportion of the respondents (97%) associate RSPSs with a significantly positive image, with no significant variation in the acceptance or rejection rates among the five areas covered by the survey (p = 0.1). The results also show high statistical significance for the differences between RSPS acceptors and rejecters in all innovation attributes (p < 0.001). However, the perception of relative advantage has a higher correlation with acceptance RSPSs. These perceived advantages were of rather long-term nonfinancial benefits, such as environmental protection against global warming and provision of unlimited power, rather than the revenue related to direct costs benefits. The study also revealed that the installation cost was the most significant barrier to adopting the RSPS, which can be a focus for RSPS dissemination policies.

scholarly journals Peningkatan Potensi Ibu Rumah Tangga dalam Mengolah Sampah Organik Rumah Tangga Menggunakan Metode Takakura di Desa Cibiru Wetan, Kabupaten Bandung

2019 ◽  
Vol 4 (2) ◽  
pp. 179-186
Author(s):  
Soni Muhsinin ◽  
Deden Indra Dinata ◽  
Ivan Andriansyah ◽  
Aiyi Asnawi
Keyword(s):  
Organic Waste ◽  
Raw Materials ◽  
Monitoring And Evaluation ◽  
Pilot Project ◽  
Small Scale ◽  
Waste Generation ◽  
Domestic Waste ◽  
Project Activity ◽  
The Village ◽  
The City

INCREASING OF HOUSEWIVES POTENTIAL IN PROCESSING DOMESTIC ORGANIC WASTE BY USING TAKAKURA METHOD IN CIBIRU WETAN VILLAGE, BANDUNG REGENCY. Domestic waste (DW) is a major environmental challenge for many urban local bodies in Indonesia both in the village and in the city, where urbanization, industrialization and economic growth have resulted in increased waste generation per person. One way to solve this waste is to turn organic domestic into compost. Composting, the recycling of organic waste such as vegetation and food waste reduces the amount of waste going to landfill and is, therefore, a rapidly growing sector. Desa Cibiru Wetan, Kab. Bandung, West Java is one of the villages that has learned about how to process organic waste into compost and become a pilot project but because of the distance between raw materials and management with compost incubator so that compost production is disturbed. Therefore, the purpose of the project activity was to produce compost from domestic organic waste by the Takakura method. In this method, a small incubator was used and placed at the home of the community. Although on a small scale but with many multipliers, it able to produce an abundant compost and can be an alternative for the existing compost incubator method. The stage included counseling and socialization, training in making incubator Takakura, training in production compos,t and monitoring and evaluation. The results showed a good understanding of both groups for both the socialization and counseling stages as well as for the practice of production of compost. In conclusion, the activity on the production of compost by using Takakura method able was to solved for domestic organic waste and remind set the interest of the community in producing compost.

scholarly journals Solar Electricity Over Three Continents

2020 ◽  
Vol 24 (2) ◽  
pp. 272-284
Author(s):  
Kamel Haine ◽  
Dagnija Blumberga
Keyword(s):  
Developing Countries ◽  
Urban Planning ◽  
Solar Energy ◽  
Critical Role ◽  
Climatic Conditions ◽  
Renewable Energies ◽  
Energy Costs ◽  
Energy Potential ◽  
Solar Electricity ◽  
The Impact

AbstractModern urban planning in the world is nowadays facing severe problems due to the fast increase of the population and migration from villages to cities, which led countries to implementation of strategy of fast, modern urban planning to meet the needs of the population. Since the 1980s, in a context marked by increasing development in energy costs and by rising attention to the problem of global warming, countries have gradually mobilized to control their energy better and reduce the environmental footprint. However, even if there are some great successes, the deployment of renewable energies is still not well developed in developing countries such as Algeria that mainly uses fossil fuels. Considering the huge potential and good climatic conditions, developing countries should take on renewable energies for their future development. This paper aims to understand the impact of modern urban strategy on the application of solar urban planning. This study will clarify the critical role of solar electricity integration used in determining the urban solar potential in four studied regions located on three different continents: Africa, Europe and North America, in the cities of Ibenbadis (Constantine, Algeria), Saint-Hugues (Quebec, Canada), Saint-Malo (France) and Ambolobozobe (Madagascar). The results obtained will allow a comparison of the calculated solar energy potential of three urban sites, the benefits of reducing carbon dioxide as well as a comparison of solar energy costs on three continents.

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