Energy Strategy Reviews最新文献_第3页

An integrated modelling framework to address the energy trilemma in Egypt and Nile East Basin

IF 7.9 2区工程技术 Q1 ENERGY & FUELS

Energy Strategy Reviews

Pub Date : 2025-03-01 DOI: 10.1016/j.esr.2025.101689

Khaled Sayed Gad, Giacomo Crevani, Emanuela Colombo

Studying the Energy Trilemma in the context of the global energy transition is crucial today because the world is undergoing a rapid shift from fossil fuels to renewable energy sources. This transformation aims to reduce carbon emissions and combat climate change, but it also presents significant challenges in balancing energy security, equity, and environmental sustainability. Addressing the trilemma is crucial because Energy Security, Energy Equity (Affordability and Access) and Environmental sustainability can sometimes conflict with each other. This study employs an integrated soft-linking framework, combining an Energy system optimization model (ESOM), Model for Analysis of Energy Demand (MAED), and Input-Output Analysis (IOA), to address the energy trilemma in Egypt as a paradigmatic country in the Middle East and North Africa (MENA) region. The application of the Integrated framework combined with four specific scenarios of Analysis Business as Usual (BAU), Renewable Generation Target of 42 % by 2035 (REN42), High Economic Growth (HEG), and Industrial Energy Efficiency (IEE) allows to draw insights for economic and technological pathways of the energy transition in Egypt. From the three-faceted perspective of the trilemma, the results confirm the need for diversification from a natural gas-dominated system to a more balanced energy mix of renewable and conventional sources to enhance energy security and reduce fossil fuel import dependency. The demand simulation reveals that total energy demand will increase due to the economic growth in the country, at least doubling in the most conservative scenario. The role of efficiency in this regard has proved to be crucial, resulting in an annual energy savings of 13 %, that can mitigate the effect of the subsidies that have discouraged such measures in the past and contribute to household affordability and equity. Finally, as far as environmental sustainability is concerned, the results indicate that achieving the REN42 target and avoiding 10 % of accumulated total emissions in the power sector would only increase the total system cost by 2 % compared to the BAU scenario. Trades with Sudan and Ethiopia also play a key role for Egypt, as they can reduce system costs by 1–5%, increase the renewable share to 50–60 % by 2050, and accommodate excess capacity.

{"title":"An integrated modelling framework to address the energy trilemma in Egypt and Nile East Basin","authors":"Khaled Sayed Gad, Giacomo Crevani, Emanuela Colombo","doi":"10.1016/j.esr.2025.101689","DOIUrl":"10.1016/j.esr.2025.101689","url":null,"abstract":"<div><div>Studying the Energy Trilemma in the context of the global energy transition is crucial today because the world is undergoing a rapid shift from fossil fuels to renewable energy sources. This transformation aims to reduce carbon emissions and combat climate change, but it also presents significant challenges in balancing energy security, equity, and environmental sustainability. Addressing the trilemma is crucial because Energy Security, Energy Equity (Affordability and Access) and Environmental sustainability can sometimes conflict with each other. This study employs an integrated soft-linking framework, combining an Energy system optimization model (ESOM), Model for Analysis of Energy Demand (MAED), and Input-Output Analysis (IOA), to address the energy trilemma in Egypt as a paradigmatic country in the Middle East and North Africa (MENA) region. The application of the Integrated framework combined with four specific scenarios of Analysis Business as Usual (BAU), Renewable Generation Target of 42 % by 2035 (REN42), High Economic Growth (HEG), and Industrial Energy Efficiency (IEE) allows to draw insights for economic and technological pathways of the energy transition in Egypt. From the three-faceted perspective of the trilemma, the results confirm the need for diversification from a natural gas-dominated system to a more balanced energy mix of renewable and conventional sources to enhance <strong>energy security</strong> and reduce fossil fuel import dependency. The demand simulation reveals that total energy demand will increase due to the economic growth in the country, at least doubling in the most conservative scenario. The role of efficiency in this regard has proved to be crucial, resulting in an annual energy savings of 13 %, that can mitigate the effect of the subsidies that have discouraged such measures in the past and contribute to household <strong>affordability and equity</strong>. Finally, as far as <strong>environmental sustainability</strong> is concerned, the results indicate that achieving the REN42 target and avoiding 10 % of accumulated total emissions in the power sector would only increase the total system cost by 2 % compared to the BAU scenario. Trades with Sudan and Ethiopia also play a key role for Egypt, as they can reduce system costs by 1–5%, increase the renewable share to 50–60 % by 2050, and accommodate excess capacity.</div></div>","PeriodicalId":11546,"journal":{"name":"Energy Strategy Reviews","volume":"58 ","pages":"Article 101689"},"PeriodicalIF":7.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143600856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enablers, trends, opportunities and scenarios for solar photovoltaic prosumers in Chile

IF 7.9 2区工程技术 Q1 ENERGY & FUELS

Energy Strategy Reviews

Pub Date : 2025-03-01 DOI: 10.1016/j.esr.2025.101693

Juan Carlos Osorio-Aravena , Emilio Muñoz-Cerón , Jorge Aguilera , Juan de la Casa , Lorenzo Reyes-Chamorro

Solar photovoltaic (PV) prosumers are meant to play a key role in the acceleration of the global energy-transition. However, its current development state is far from their long-term projected potential contribution, especially in emerging and developing countries. In this work, Chile has been selected as a representative case to foresee regional and global patterns of energy transitions based on the analysis of its PV prosumer market-evolution. Specifically, a descriptive review on enablers, trends, and science-based opportunities for PV prosumers in Chile and their potential contribution in future scenarios has been undertaken. The aim is to provide recommendations for accelerating PV prosumer deployment and helping to take full advantage of its potential multi-dimensional benefits. With the support of appropriate legislative framework, regulatory scheme, and promoting mechanism, the impact of the PV prosumer penetration will not only speed up the energy transition for avoiding greenhouse-gas emissions, but also for reducing air pollution in cities, reducing energy costs of final costumers, and creating local energy jobs. All this can help to carry out a more decentralised and democratic energy-transition and make progress towards a defossilised and more equal society.

{"title":"Enablers, trends, opportunities and scenarios for solar photovoltaic prosumers in Chile","authors":"Juan Carlos Osorio-Aravena , Emilio Muñoz-Cerón , Jorge Aguilera , Juan de la Casa , Lorenzo Reyes-Chamorro","doi":"10.1016/j.esr.2025.101693","DOIUrl":"10.1016/j.esr.2025.101693","url":null,"abstract":"<div><div>Solar photovoltaic (PV) prosumers are meant to play a key role in the acceleration of the global energy-transition. However, its current development state is far from their long-term projected potential contribution, especially in emerging and developing countries. In this work, Chile has been selected as a representative case to foresee regional and global patterns of energy transitions based on the analysis of its PV prosumer market-evolution. Specifically, a descriptive review on enablers, trends, and science-based opportunities for PV prosumers in Chile and their potential contribution in future scenarios has been undertaken. The aim is to provide recommendations for accelerating PV prosumer deployment and helping to take full advantage of its potential multi-dimensional benefits. With the support of appropriate legislative framework, regulatory scheme, and promoting mechanism, the impact of the PV prosumer penetration will not only speed up the energy transition for avoiding greenhouse-gas emissions, but also for reducing air pollution in cities, reducing energy costs of final costumers, and creating local energy jobs. All this can help to carry out a more decentralised and democratic energy-transition and make progress towards a defossilised and more equal society.</div></div>","PeriodicalId":11546,"journal":{"name":"Energy Strategy Reviews","volume":"58 ","pages":"Article 101693"},"PeriodicalIF":7.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143621307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Achieving energy resilience: Studying renewable and fossil fuel energy generation drivers and COPE-28 pathways of China

IF 7.9 2区工程技术 Q1 ENERGY & FUELS

Energy Strategy Reviews

Pub Date : 2025-03-01 DOI: 10.1016/j.esr.2025.101669

Shengmiao Han , Badrul Hisham Bin Kamaruddin , Xing Shi , Jerome Zhu

This study intends to determine the part played by energy production from renewable as well as fossil energy resources towards energy resilience in China, based on the guidelines of the COPE-28. This research has examined the relationship between energy generation and economic growth FDI for the period 2002 to 2021. The study employs correlation, persistence analysis, homogeneity analysis, unit root tests, ARDL bound testing technique, FMOLS, and robustness test exercises to ascertain the validity of the results. These findings suggested that there is a direct interaction between renewables deployment and energy resilience and the predisposition to fossil fuels as an impediment to long-term sustainability. The research findings confirmed that the use of renewable power increases resiliency while reliance on fossil fuels decreases sustainability. As a result, this study demonstrates the importance of an integrated approach to energy policy, where renewable energy is combined with a transition to fossil fuels over the longer term to underpin resilience objectives. The study findings are explicitly valuable for policymakers to help China change to sustainable energy management efforts. Therefore, policymakers need to incorporate research findings prudently in policy planning and execution.

{"title":"Achieving energy resilience: Studying renewable and fossil fuel energy generation drivers and COPE-28 pathways of China","authors":"Shengmiao Han , Badrul Hisham Bin Kamaruddin , Xing Shi , Jerome Zhu","doi":"10.1016/j.esr.2025.101669","DOIUrl":"10.1016/j.esr.2025.101669","url":null,"abstract":"<div><div>This study intends to determine the part played by energy production from renewable as well as fossil energy resources towards energy resilience in China, based on the guidelines of the COPE-28. This research has examined the relationship between energy generation and economic growth FDI for the period 2002 to 2021. The study employs correlation, persistence analysis, homogeneity analysis, unit root tests, ARDL bound testing technique, FMOLS, and robustness test exercises to ascertain the validity of the results. These findings suggested that there is a direct interaction between renewables deployment and energy resilience and the predisposition to fossil fuels as an impediment to long-term sustainability. The research findings confirmed that the use of renewable power increases resiliency while reliance on fossil fuels decreases sustainability. As a result, this study demonstrates the importance of an integrated approach to energy policy, where renewable energy is combined with a transition to fossil fuels over the longer term to underpin resilience objectives. The study findings are explicitly valuable for policymakers to help China change to sustainable energy management efforts. Therefore, policymakers need to incorporate research findings prudently in policy planning and execution.</div></div>","PeriodicalId":11546,"journal":{"name":"Energy Strategy Reviews","volume":"58 ","pages":"Article 101669"},"PeriodicalIF":7.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143552840","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhancing the enviro-economic viability of biogas-solar hybrid systems: Strategies for sustainable energy development in Iran

IF 7.9 2区工程技术 Q1 ENERGY & FUELS

Energy Strategy Reviews

Pub Date : 2025-03-01 DOI: 10.1016/j.esr.2025.101671

Bahar Panbechi, Ahmad Hajinezhad, Seyed Farhan Moosavian, Reza Fattahi

The global transition to renewable energy is essential for long-term sustainable development and climate change mitigation. Hybrid Renewable Energy Systems (HRES) offer a viable solution for reducing carbon emissions, increasing energy security, and providing reliable electricity. This study investigates the feasibility of implementing a HRES, combining biogas and solar power in a small city in Iran. HOMER software was used to analyze different scenarios, including a base model and three optimized approaches: selling excess electricity to the power grid (STPG), green hydrogen production (GHP), and obtaining government subsidies for municipal waste procurement (GSMWP). The analysis focuses on evaluating the economic and environmental performance of these scenarios, particularly their impact on NPC, and IRR. The base model shows that the biogas-solar hybrid power plant can reduce CO₂ emissions by 96.8 %–97.2 % compared to the existing natural gas combined cycle power plants. Due to the high cost of equipment and the fuel and the low electricity sales price in Iran, the STPG and GHP scenarios show negative IRRs of −7% and −17 %, respectively. In contrast, the GSMWP scenario, which includes a government subsidy of $100 per ton of waste, achieves a COE of $0.156 per kWh, making the project economically viable with additional revenues. The study concludes that government subsidies are critical to improving the economics and sustainability of renewable energy projects in Iran. The most effective approach integrates the optimized scenarios, reduces overall fuel costs, and maximizes revenue potential.

{"title":"Enhancing the enviro-economic viability of biogas-solar hybrid systems: Strategies for sustainable energy development in Iran","authors":"Bahar Panbechi, Ahmad Hajinezhad, Seyed Farhan Moosavian, Reza Fattahi","doi":"10.1016/j.esr.2025.101671","DOIUrl":"10.1016/j.esr.2025.101671","url":null,"abstract":"<div><div>The global transition to renewable energy is essential for long-term sustainable development and climate change mitigation. Hybrid Renewable Energy Systems (HRES) offer a viable solution for reducing carbon emissions, increasing energy security, and providing reliable electricity. This study investigates the feasibility of implementing a HRES, combining biogas and solar power in a small city in Iran. HOMER software was used to analyze different scenarios, including a base model and three optimized approaches: selling excess electricity to the power grid (STPG), green hydrogen production (GHP), and obtaining government subsidies for municipal waste procurement (GSMWP). The analysis focuses on evaluating the economic and environmental performance of these scenarios, particularly their impact on NPC, and IRR. The base model shows that the biogas-solar hybrid power plant can reduce CO<sub>2</sub> emissions by 96.8 %–97.2 % compared to the existing natural gas combined cycle power plants. Due to the high cost of equipment and the fuel and the low electricity sales price in Iran, the STPG and GHP scenarios show negative IRRs of −7% and −17 %, respectively. In contrast, the GSMWP scenario, which includes a government subsidy of $100 per ton of waste, achieves a COE of $0.156 per kWh, making the project economically viable with additional revenues. The study concludes that government subsidies are critical to improving the economics and sustainability of renewable energy projects in Iran. The most effective approach integrates the optimized scenarios, reduces overall fuel costs, and maximizes revenue potential.</div></div>","PeriodicalId":11546,"journal":{"name":"Energy Strategy Reviews","volume":"58 ","pages":"Article 101671"},"PeriodicalIF":7.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143509299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

An internal pricing method for a local energy market with P2P energy trading

IF 7.9 2区工程技术 Q1 ENERGY & FUELS

Energy Strategy Reviews

Pub Date : 2025-03-01 DOI: 10.1016/j.esr.2025.101673

Mohammad Hasan Ghodusinejad , Hossein Yousefi , Behnam Mohammadi-ivatloo

Through facilitating direct energy transfer between producers and consumers and lowering intermediary expenses, peer-to-peer (P2P) energy trading presents notable advantages for individual prosumers. Moreover, peer-to-peer trading permits proactive consumers to economically conduct their energy transactions, taking advantage of an equitable pricing mechanism within microgrids. In this study, an internal pricing model in a market integrated with P2P energy trading has been proposed. In this regard, in the first step, the market structure consisting of three blocks of members was modeled: block A including prosumers with photovoltaic (PV) and energy storage, block B with prosumers only equipped with PV systems, and finally block C including energy consumers. Market members manage P2P energy trade through a Local Market Organizer (LMO). Besides, in the second step, an energy pricing model is proposed in the P2P market based on the supply-demand ratio (SDR). The problem was implemented and solved in the form of a Mixed-Integer Non-Linear Programming (MINLP) model in GAMS, where its final goal was to minimize the total costs of the market members. The results showed that by switching from peer-to-grid (P2G) to P2P mode, the cost of peers decreased around 8 % in summer day and almost 2 % in winter day. The accuracy and robustness of the proposed pricing method was validated with a typical pricing method. So that the difference of the objective function values in two pricing methods was only 0.26 and 0.09 % in summer and winter day, respectively.

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引用次数: 0

Developing a regulatory framework for multiple participation in energy communities: Insights from Austria

IF 7.9 2区工程技术 Q1 ENERGY & FUELS

Energy Strategy Reviews

Pub Date : 2025-03-01 DOI: 10.1016/j.esr.2025.101672

Lia Gruber, Thomas Klatzer, Sonja Wogrin

For completing the energy transition, ordinary citizens have to be able to participate. This can be achieved with energy communities (ECs), which are getting implemented in EU member states. However, some of these legislations do not account for the possible challenges of implementing ECs. One example is Austrian law, which - in an attempt to take citizen involvement one step further - allows for simultaneous participation in multiple ECs. However, the law does not state how energy should be allocated among the members of these ECs, which opens the door to ambiguities that could lead to difficulties in energy allocation among ECs. The aim of this paper is to demonstrate the study that closed this regulation gap by analyzing different methods of energy allocation in ECs with multiple participation. Four algorithms are developed and tested on solvability, complexity, comprehensibility, fairness and predictability. Only one algorithm has proven successful in all categories: the preference coefficient. Here, a preprocessing stage is included, in which each member must declare what percentage of consumption/generation goes to the multiple ECs in which they participate. Therefore, energy allocation in all ECs may be done in parallel without being dependent on the allocation results of other ECs. Based on the study presented this algorithm was implemented for the regulation of multiple participation in ECs in Austria.

{"title":"Developing a regulatory framework for multiple participation in energy communities: Insights from Austria","authors":"Lia Gruber, Thomas Klatzer, Sonja Wogrin","doi":"10.1016/j.esr.2025.101672","DOIUrl":"10.1016/j.esr.2025.101672","url":null,"abstract":"<div><div>For completing the energy transition, ordinary citizens have to be able to participate. This can be achieved with energy communities (ECs), which are getting implemented in EU member states. However, some of these legislations do not account for the possible challenges of implementing ECs. One example is Austrian law, which - in an attempt to take citizen involvement one step further - allows for simultaneous participation in multiple ECs. However, the law does not state how energy should be allocated among the members of these ECs, which opens the door to ambiguities that could lead to difficulties in energy allocation among ECs. The aim of this paper is to demonstrate the study that closed this regulation gap by analyzing different methods of energy allocation in ECs with multiple participation. Four algorithms are developed and tested on solvability, complexity, comprehensibility, fairness and predictability. Only one algorithm has proven successful in all categories: the preference coefficient. Here, a preprocessing stage is included, in which each member must declare what percentage of consumption/generation goes to the multiple ECs in which they participate. Therefore, energy allocation in all ECs may be done in parallel without being dependent on the allocation results of other ECs. Based on the study presented this algorithm was implemented for the regulation of multiple participation in ECs in Austria.</div></div>","PeriodicalId":11546,"journal":{"name":"Energy Strategy Reviews","volume":"58 ","pages":"Article 101672"},"PeriodicalIF":7.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143580547","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Renewable energy consumption in Mercosur region: The role of human resources and green innovative technology

IF 7.9 2区工程技术 Q1 ENERGY & FUELS

Energy Strategy Reviews

Pub Date : 2025-03-01 DOI: 10.1016/j.esr.2025.101662

Qiming Yang , Zhou Shen , Xinran Wei , Jiancong Wang

The Mercosur countries which include Argentina, Brazil, Paraguay, Uruguay, and Venezuela have all shown rising interest on renewable energy as the follow. This change is occasioned by the desire to overcome the reliance of energy on fossil-based products and combat the impacts of climate change. The global demands for sustainable development for the countries of the world press on the Mercosur countries to implement policies and strategies that support styles and initiatives to increase the consumption of renewable energy in an effort to enhance green innovation. This study examines renewable energy consumption in Mercosur Region and the role of human resources and green innovative technology. For this purpose, used Panel data of Mercosur countries and applied CS-ARDL model. The study show comparing Short-Term and Long-Term Short-term marginal or negative impacts give way to long-term positive and substantial benefits for a number of variables (such as GDP, government effectiveness, and green innovation). This implies that certain variables, such economic development and green innovation, have a delayed reaction to successfully influencing the dependent variable. Urbanization has a crucial role in promoting outcomes like the use of renewable energy, as shown by its continuously high positive short- and long-term benefits. Given their long-term advantages despite their less pronounced short-term effects, policymakers need to concentrate on promoting green innovation and economic development. Over time, significant gains may be made by enhancing government efficacy and human capital. A strong adjustment mechanism is shown by the substantial error correction term, which guarantees that short-term deviations will eventually converge to a stable long-term connection.

{"title":"Renewable energy consumption in Mercosur region: The role of human resources and green innovative technology","authors":"Qiming Yang , Zhou Shen , Xinran Wei , Jiancong Wang","doi":"10.1016/j.esr.2025.101662","DOIUrl":"10.1016/j.esr.2025.101662","url":null,"abstract":"<div><div>The Mercosur countries which include Argentina, Brazil, Paraguay, Uruguay, and Venezuela have all shown rising interest on renewable energy as the follow. This change is occasioned by the desire to overcome the reliance of energy on fossil-based products and combat the impacts of climate change. The global demands for sustainable development for the countries of the world press on the Mercosur countries to implement policies and strategies that support styles and initiatives to increase the consumption of renewable energy in an effort to enhance green innovation. This study examines renewable energy consumption in Mercosur Region and the role of human resources and green innovative technology. For this purpose, used Panel data of Mercosur countries and applied CS-ARDL model. The study show comparing Short-Term and Long-Term Short-term marginal or negative impacts give way to long-term positive and substantial benefits for a number of variables (such as GDP, government effectiveness, and green innovation). This implies that certain variables, such economic development and green innovation, have a delayed reaction to successfully influencing the dependent variable. Urbanization has a crucial role in promoting outcomes like the use of renewable energy, as shown by its continuously high positive short- and long-term benefits. Given their long-term advantages despite their less pronounced short-term effects, policymakers need to concentrate on promoting green innovation and economic development. Over time, significant gains may be made by enhancing government efficacy and human capital. A strong adjustment mechanism is shown by the substantial error correction term, which guarantees that short-term deviations will eventually converge to a stable long-term connection.</div></div>","PeriodicalId":11546,"journal":{"name":"Energy Strategy Reviews","volume":"58 ","pages":"Article 101662"},"PeriodicalIF":7.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143552839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

On cutting coal dependency for establishing a cleaner energy mix: A proposal for energy transition strategy in South Africa

IF 7.9 2区工程技术 Q1 ENERGY & FUELS

Energy Strategy Reviews

Pub Date : 2025-03-01 DOI: 10.1016/j.esr.2025.101694

Sinan Erdogan , Ugur Korkut Pata , Andrew Adewale Alola , Chukwuemeka Echebiri

Although coal has powered economic activities for decades and significantly contributed to increasing economic welfare at the global level, its place in the modern economic system remained controversial because of its environmental impacts. Thus, cutting coal utilization and dependency on this energy source posits a great environmental benefit. With is motivation, the primary motivation of this study is to investigate the role of possible cleaner energy alternatives in cutting coal dependence in South Africa, which is prevalently utilizing coal in energy. To this end, the study employs Fully Modified Ordinary Least Squares (FMOLS) as a baseline estimator and Canonical Regression (CCR) as a robustness check from 1984 to 2022. The obtained outcomes denote that (i) an inverted U-shaped nexus exists between economic growth and coal utilization in some models. (ii) Renewable and hydro energy use has a negative and statistically significant impact on coal use, while nuclear energy and natural gas have no statistically significant impact. (iii) Population density spurs coal utilization. (iv) Robustness checks imply that empirical outcomes are substantially robust. In this regard, South Africa could reduce the demand for coal with renewable and hydro energy sources.

{"title":"On cutting coal dependency for establishing a cleaner energy mix: A proposal for energy transition strategy in South Africa","authors":"Sinan Erdogan , Ugur Korkut Pata , Andrew Adewale Alola , Chukwuemeka Echebiri","doi":"10.1016/j.esr.2025.101694","DOIUrl":"10.1016/j.esr.2025.101694","url":null,"abstract":"<div><div>Although coal has powered economic activities for decades and significantly contributed to increasing economic welfare at the global level, its place in the modern economic system remained controversial because of its environmental impacts. Thus, cutting coal utilization and dependency on this energy source posits a great environmental benefit. With is motivation, the primary motivation of this study is to investigate the role of possible cleaner energy alternatives in cutting coal dependence in South Africa, which is prevalently utilizing coal in energy. To this end, the study employs Fully Modified Ordinary Least Squares (FMOLS) as a baseline estimator and Canonical Regression (CCR) as a robustness check from 1984 to 2022. The obtained outcomes denote that (i) an inverted U-shaped nexus exists between economic growth and coal utilization in some models. (ii) Renewable and hydro energy use has a negative and statistically significant impact on coal use, while nuclear energy and natural gas have no statistically significant impact. (iii) Population density spurs coal utilization. (iv) Robustness checks imply that empirical outcomes are substantially robust. In this regard, South Africa could reduce the demand for coal with renewable and hydro energy sources.</div></div>","PeriodicalId":11546,"journal":{"name":"Energy Strategy Reviews","volume":"58 ","pages":"Article 101694"},"PeriodicalIF":7.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143611697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Calculation and Monte Carlo uncertainty analysis of the levelized cost of electricity for different energy power generation in the smart grid under time scales

IF 7.9 2区工程技术 Q1 ENERGY & FUELS

Energy Strategy Reviews

Pub Date : 2025-03-01 DOI: 10.1016/j.esr.2025.101666

Jingxin Xi , Bo Zhang , Yufeng Yang

Multiple power systems, encompassing both fossil fuels and renewable energy sources, play a vital role in the supply side of the smart grid. While research on smart grid electricity pricing has predominantly focused on intelligence and forecasting, there is a notable paucity of studies addressing the fundamental pricing principles and long-term cost management strategies for electricity. The aim of this paper is to propose a foundational framework for estimating energy generation costs, focusing on both fossil fuel and renewable energy sources within the context of smart grid electricity pricing. To assess approximate cost changes over time, the study calculates the Levelized Cost of Electricity (LCOE) utilizing Life Cycle Assessment (LCA) and Life Cycle Cost (LCC) methodologies, which account for economic and environmental impacts. The findings indicate that, assuming a 20-year time horizon, the final levelized costs for each type of power plant are as follows: coal power plant at 96 USD/MWh, gas power plant at 111 USD/MWh, nuclear power plant at 86 USD/MWh, hydroelectric power plant at 87 USD/MWh, solar power plant at 71 USD/MWh, and wind power plant at 69 USD/MWh. Furthermore, the analysis uses Monte Carlo analysis to explore uncertainties associated with carbon prices, the Weighted Average Cost of Capital (WACC), capital costs, and raw material prices, which offers a strategic approach for government institutions to implement regulatory policies of the energy power market.

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引用次数: 0

Fostering renewable energy use through smart city construction: The role of National Innovation Systems

IF 7.9 2区工程技术 Q1 ENERGY & FUELS

Energy Strategy Reviews

Pub Date : 2025-03-01 DOI: 10.1016/j.esr.2025.101690

Wei Chen , Hongti Song

In recent years, China has made significant progress in building smart cities and promoting renewable energy. This study examines the impact of smart city construction on renewable energy use, using panel data from 30 Chinese provinces between 2011 and 2022 and employing a panel quantile regression model. The results indicate that smart city construction significantly enhances renewable energy use, particularly in regions with previously low utilization levels. For instance, in the 25th percentile of low utilization regions, smart city construction contributes to an increase of over 12 % in renewable energy usage. Additionally, the National Innovation System (NIS) plays a significant moderating role in the relationship between smart city construction and renewable energy use, fostering technological innovation and policy support. Based on these findings, the paper provides policy recommendations tailored to different regional contexts, emphasizing the strengthening of smart city infrastructure and optimization of the NIS to facilitate energy transition and sustainable development. This study offers empirical evidence for academic research and valuable policy insights for governments and policymakers.

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引用次数: 0