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Search Results (6)

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Keywords = GIS for rural electrification

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19 pages, 3284 KiB  
Article
Optimizing Solar Potential Analysis in Cuba: A Methodology for High-Resolution Regional Mapping
by Javier Domínguez, Carlo Bellini, Ana María Martín and Luis F. Zarzalejo
Sustainability 2024, 16(18), 7899; https://doi.org/10.3390/su16187899 - 10 Sep 2024
Cited by 1 | Viewed by 1993
Abstract
The development of solar energy at a regional scale necessitates a thorough understanding of available resources. Cuba, facing prolonged economic, environmental, and energy crises, urgently needs to enhance its sustainability through solar energy. Although solar resource mapping is widespread, Cuba lacks extensive field [...] Read more.
The development of solar energy at a regional scale necessitates a thorough understanding of available resources. Cuba, facing prolonged economic, environmental, and energy crises, urgently needs to enhance its sustainability through solar energy. Although solar resource mapping is widespread, Cuba lacks extensive field measurements, often relying on models that may not be ideally suited for large regions, like Matanzas province. Spanning over 12,000 km² with nearly 150 km between its northern and southern extremes, Matanzas presents challenges for high-resolution solar mapping. This study introduces a methodology that integrates various methods and databases to achieve the maximum resolution in the resulting solar map. This approach is designed for large areas, where conventional high-resolution models fall short. By optimizing calculation times and parameterizing the entire surface latitudinally, a high-resolution solar resource map for Matanzas has been developed. This map significantly enhances the understanding of solar resources in Cuba and enables the proposal of new methodologies for analyzing solar potential in similarly large regions. Full article
(This article belongs to the Special Issue Low-Cost and Renewable Energy towards Sustainability: Latest Developments in Production, Storage and Distribution)
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37 pages, 12671 KiB  
Article
IntiGIS-Local: A Geospatial Approach to Assessing Rural Electrification Alternatives for Sustainable Socio-Economic Development in Isolated Communities—A Case Study of Guasasa, Cuba
by Javier Domínguez, Carlo Bellini, Luis Arribas, Julio Amador, Mirelys Torres-Pérez and Ana M. Martín
Energies 2024, 17(15), 3835; https://doi.org/10.3390/en17153835 - 3 Aug 2024
Cited by 4 | Viewed by 1789
Abstract
Rural electrification is a crucial step for the socio-economic development of isolated communities. Decentralized power generation, typically more favorable for renewable energies, requires an accurate analysis of the different electrification options, whose convenience depends on multiple factors. The application of Geographical Information Systems [...] Read more.
Rural electrification is a crucial step for the socio-economic development of isolated communities. Decentralized power generation, typically more favorable for renewable energies, requires an accurate analysis of the different electrification options, whose convenience depends on multiple factors. The application of Geographical Information Systems (GISs) to energy planning allows the assessment at a local level, considering the variability and demand distribution of spatial resources. This work introduces IntiGIS-local, a GIS-based model implemented in the ArcGIS environment, designed to calculate the levelized energy cost (LEC) for different electrification options. The model allows the comparison between three power generation alternatives: solar system, diesel generator set and solar–diesel hybrid system. Configurations are adjustable through input variables, with a special focus on the confrontation between individual systems and microgrids. The objective is to provide an adequate groundwork for developing a decision-making tool to assess diverse rural electrification options in future studies. The model IntiGIS-local is tested in the case study of the Guasasa community (Cuba). Full article
(This article belongs to the Section A: Sustainable Energy)
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18 pages, 3924 KiB  
Article
The Distribution of the Economic Impacts of Sustainable Regional Transport Policies
by Rita Prior Filipe, Andrew Heath and Nick McCullen
Sustainability 2024, 16(13), 5819; https://doi.org/10.3390/su16135819 - 8 Jul 2024
Viewed by 1661
Abstract
In response to current environmental, social and accessibility challenges in the mobility sector, this research focuses on promoting the development of integrated sustainable regional transport policies, supported by a thorough analysis of their distributed economic impacts. This is fulfilled with the development of [...] Read more.
In response to current environmental, social and accessibility challenges in the mobility sector, this research focuses on promoting the development of integrated sustainable regional transport policies, supported by a thorough analysis of their distributed economic impacts. This is fulfilled with the development of a new GIS-supported extension of a comprehensive methodology that is currently used for appraising local transport interventions. To illustrate the inputs and outputs of the expanded approach, a regional case study was simulated, highlighting the potential for this methodology to assist in (1) optimising the financial balance between electrification and modal-shift strategies, (2) anticipating and analysing the multiple economic impacts of multimodal transport services (e.g., Mobility as a Service) and (3) understanding how equal the benefits of these policies are across the region. This research will provide novel contributions to the field of transport research and policy development by introducing a comprehensive methodology that quantifies and maps the distributed economic impacts of regional transport policies. This will, consequently, enable the economic outputs of these policies to be easily visualised, analysed and shared with mobility stakeholders, fostering a better understanding of their urban–rural distribution, and promoting the strategic development of sustainable and equitable regional transport systems. Full article
(This article belongs to the Special Issue New Techniques to Promote Sustainable Mobility: Evaluation, Optimization and Behavioral Adaptation)
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28 pages, 2459 KiB  
Review
Planning Sustainable Energy Systems in the Southern African Development Community: A Review of Power Systems Planning Approaches
by Constantino Dário Justo, José Eduardo Tafula and Pedro Moura
Energies 2022, 15(21), 7860; https://doi.org/10.3390/en15217860 - 23 Oct 2022
Cited by 7 | Viewed by 6286
Abstract
Southern Africa has a huge potential for renewable energy sources such as hydro, solar, wind, biomass, and geothermal. However, electricity access remains a key policy issue for most member states, with a global average access to electricity of only 54% in 2019. This [...] Read more.
Southern Africa has a huge potential for renewable energy sources such as hydro, solar, wind, biomass, and geothermal. However, electricity access remains a key policy issue for most member states, with a global average access to electricity of only 54% in 2019. This low electrification rate is a strong motivation for member states to increase renewable energy use and improve access to electricity for all. The goal of this paper was to present a literature review of methodologies, energy plans, and government programs that have been implemented by the Southern African Development Community member states to address the region’s low average electrification rate and greenhouse gas emission reduction targets. The study presents the most commonly used methodologies for the integration of renewable energies into electrical systems, considering the main grid and distributed generation systems. LCOE minimization methodologies and software options, such as GIS, HOMER, LEAP, and EnergyPLAN, are the most common among the identified studies. The traditional method of electrifying by expanding the grid has not contributed to the eradication of energy poverty in rural areas. Therefore, to improve electricity access in Southern Africa, it is essential to consider off-grid solutions based on renewable energy sources. Full article
(This article belongs to the Topic Energy Systems Planning, Operation and Optimization in Net-Zero Emissions)
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19 pages, 4155 KiB  
Article
Rural Electrification Pathways: An Implementation of LEAP and GIS Tools in Mali
by Vittorio Sessa, Ramchandra Bhandari and Abdramane Ba
Energies 2021, 14(11), 3338; https://doi.org/10.3390/en14113338 - 6 Jun 2021
Cited by 11 | Viewed by 4022
Abstract
Remote rural populations do not often have the luxury of viable multisource electricity generation systems. Considering fossil fuels for remote populated areas is not often a viable option due to the fuel transportation costs and the population’s socioeconomic status. Extending the grid is [...] Read more.
Remote rural populations do not often have the luxury of viable multisource electricity generation systems. Considering fossil fuels for remote populated areas is not often a viable option due to the fuel transportation costs and the population’s socioeconomic status. Extending the grid is often economically prohibitive. This paper proposes possible ways in which Mali could increase the rate of population with access to electricity by 2050 using Low Emission Analysis Platform (LEAP) and geographical information tools. The current energy situation is assessed, and multiple demand and supply scenarios are created to find the most viable option in environmental and economic dimensions. A minimum of 50% reduction of biomass consumption in the residential sector and a maximum of 71% was achieved through the combination of grid extension and decentralized solar PV. Solar PV becomes the preferable option when enough time for the effects of electricity on income is given. When these effects are not present, solar PV is still a better option, as the amount of biomass replaced with electricity is reduced. Full article
(This article belongs to the Special Issue Rural Renewable Energy Utilization and Electrification)
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20 pages, 3508 KiB  
Article
Visualizing National Electrification Scenarios for Sub-Saharan African Countries
by Paul Bertheau, Ayobami Solomon Oyewo, Catherina Cader, Christian Breyer and Philipp Blechinger
Energies 2017, 10(11), 1899; https://doi.org/10.3390/en10111899 - 18 Nov 2017
Cited by 54 | Viewed by 8092
Abstract
Some 630 million people representing two-thirds of all Africans have no access to electricity, which is identified as a key barrier towards further development. Three main electrification options are considered within our work: grid extensions, mini-grids and solar home systems (SHS). A methodology [...] Read more.
Some 630 million people representing two-thirds of all Africans have no access to electricity, which is identified as a key barrier towards further development. Three main electrification options are considered within our work: grid extensions, mini-grids and solar home systems (SHS). A methodology is applied to all sub-Saharan African countries to identify in high geospatial resolution which electrification option is appropriate taking into account datasets for night light imagery, population distribution and grid infrastructure. Four different scenarios are considered reflecting grid development and electrification constraints due to low population density. The results clearly indicate a dominating role of SHS for achieving a fast electrification of the not supplied people. The share of supplied people by mini-grids is found to be rather low while grid extension serves a large share of the population. The decisive factors for these distinctions are population density and distance to grid. We applied several scenarios and sensitivities to understand the influence of these key parameters. The highest trade-off happens between SHS and grid extension depending on the selected thresholds. Mini-grid deployments remain in the range of 8 to 21%. Full article
(This article belongs to the Special Issue Sustainable and Renewable Energy Systems)
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