Renewable Energy Technologies - Science topic

We hope that this Special Issue will serve as a platform for sharing information on new methods, procurement processes and technologies, practical applications, current analysis, findings, and experiences in research, revolving around topics such as biomass and biogas. We aim to promote research that contributes to the development, integration, and...

Recently, governmental subsidies have led to increased renewable energy adoption and household CO2 emissions reduction. However, energy efficiency improvement and greenhouse gas emission reduction potential in households' sector are not yet fully realized. Decision-making by individuals is also a crucial factor in adopting energy-efficient and rene...

Received Abstract: The aim of the research is a techno-economic analysis of the use of concentrated solar energy technologies in the Iraqi city, considering the concentrated solar energy technology is a renewable energy technology that derives its resources from the sun and is replenished at a rate that exceeds its use. It is also inexhaustible and...

The integration of distributed renewable energy technologies (such as building-integrated photovoltaics (BIPV)) into buildings, especially in space-constrained urban areas, offers sustainable energy and helps offset fossil-fuel-related carbon emissions. However, the intermittent nature of these distributed renewable energy sources can negatively im...

Moving from fossil fuels to renewable energy is a key part of creating sustainable energy systems for the future. Governments worldwide are implementing policies and frameworks to facilitate this transition, albeit at different levels. The public also recognizes the importance of this shift and the need to address climate change by adopting renewab...

Bangladesh focuses on green energy sources to be a lesser dependent on imported fossil fuels and to reduce the GHG emission to decarbonize the energy sector. The integration of renewable energy technologies for green hydrogen production is promising for Bangladesh. Hybrid renewable plants at the coastline along the Bay of Bengal, Kuakata, Sandwip,...

Floating photovoltaics (FPV) is emerging as a promising renewable energy technology which enables the production of electricity on surface waters. While this technology could potentially make an important contribution to the energy transition, the current uncertainty about the water quality effects of FPV deployment poses a major barrier to FPV pro...

This paper seeks to explore the relationship between renewable energy innovations in Kazakhstan and the factors that influence them. It also aims to compare the effectiveness of two policies, namely feed-in-tariffs and auctions. Because the research utilizes “small” panel data with limited observations (16 Kazakhstani regions and 11 years), it prov...

India's economy has benefited immensely from its G20 leadership because of trade liberalization, financial regulation, and climate change mitigation, advanced renewable energy technologies, enhanced market perspectives, and greater communication. But this has necessitated a return to the forefront of the global economy. Through the China+1 strategy...

Supercritical carbon dioxide (sCO2) power cycles are attractive for renewable energy technologies as they exhibit high thermal efficiencies, compact components, and reduced cycle complexity and levelized cost of energy (LCOE) relative to traditional steam power cycles. Consequently, numerous studies have investigated different layouts and operating...

Renewable energy technology innovation (RETI) and green industrial structure upgrading (GISU) are crucial pathways for China's pursuit of sustainable development. Despite the existing research separately emphasizing the importance of RETI and GISU, there are limited investigations into the role of RETI in facilitating the process of GISU, especiall...

Following the Paris Agreement, the European Union (EU) and South Korea became active in their pursuits of low-carbon energy solutions marked by substantial renewable energy growth and reforms in the mobility, power, and industrial sectors. Policy initiatives, such as the European Green Deal (2019) and Korean Green New Deal (2020), demonstrated thei...

Photoelectrochemical (PEC) is a new renewable energy technology that converts H2O into hydrogen and oxygen gas with the help of sunlight. A photoelectrochemical cell device consists of three main components, one of which is the photoanode. One of the materials that can be used as a photoanode is ZnO which has good electrical properties and is non-t...

Abstract: The global population's continuous expansion, along with economic and technological advancements, coupled with a contemporary lifestyle, has resulted in a significant surge in energy requirements and consumption. For many years, fossil fuels have served as the primary energy source, despite their detrimental environmental effects. Consequ...

Dear Colleagues, Not long ago, electricity markets were predominantly occupied by conventional power plants that produce electricity by burning fossil fuels. As the insidious ecological consequences of global warming became evident, governments worldwide decided to reduce greenhouse gas emissions. Nowadays, renewable energy technologies are changi...

The current study investigates incompressible, MHD flow of Cross nanofluid containing of gyrotactic microorganisms and thermophoretic particle deposition over a sheet with activation energy and variable thermal conductivity. The variable characteristic of thermal conductivity is considered as a linear function of temperature. The present study’s in...

Artificial intelligence (AI) in renewable energy technologies plays a crucial part due to its modeling and performance forecasting. Therefore, a novel AI-based evolving generative adversarial Fuzzy network (EGAFN) has been presented in this paper as a forecasting tool for the efficiency analysis of renewable solar energy for four distinct regions....

Environmental issues play a crucial role in achieving sustainable development goals (SDGs). In this context, countries may not have the budget to improve all factors at the same time. Due to this situation, more significant items should be identified with the help of a comprehensive evaluation. However, there are limited studies in literature that...

This paper introduces a research and extension program focused on the promotion, transfer, and adoption of the Hybrid Pico Hydro-Solar Generation System in Sitio Singawan, Barangay Umiray, Municipality of Dingalan, Aurora, Philippines, to explore the significant socioeconomic impacts of implementing renewable energy systems in rural areas. Spearhea...

Recently, with the development of renewable energy technologies, photovoltaic (PV) power generation is widely used in the grid. However, as PV power generation is influenced by external factors, such as solar radiation fluctuation, PV output power is intermittent and volatile, and thus the accurate PV output power prediction is imperative for the g...

We know that dwarf green markets and green markets work in opposite ways; and we know that we have been avoiding to shift from the perfect traditional market way of thinking to the perfect green market way of thinking since 2012 Rio + 20 Conference when we had a chance to orderly transition from the environmentally dirty economy to the environmenta...

This research paper delves into the study of heat transfer within a solar collector employing a water-nanofluid mixture. Experimental investigations reveal the enhanced thermal performance of the collector with the incorporation of nanofluids, emphasizing their potential for improving solar energy utilization. The analysis provides valuable insight...

Photovoltaic (PV)-system-generated solar energy has inconsistent and variable properties, which makes controlling electric power distribution and preserving grid stability extremely difficult. A photovoltaic (PV) system's performance is profoundly affected by the amount of sunlight that reaches the solar cell, the season of the year, the ambient te...

Sustainable and renewable energy technologies have attracted significant attention for reducing greenhouse emissions in the shift from fossil fuels. The production of green hydrogen from water electrolysis is considered an environmentally friendly strategy for a decarbonized economy. We examine the activities of the hydrogen and oxygen evolution re...

This paper introduces a research and extension program focused on the promotion, transfer, and adoption of the Hybrid Pico Hydro-Solar Generation System in Sitio Singawan, Barangay Umiray, Municipality of Dingalan, Aurora, Philippines, to explore the significant socioeconomic impacts of implementing renewable energy systems in rural areas. Spearhea...

The EU has set ambitious targets to combat climate change. Incorporating renewable energy technologies to reduce greenhouse gas emissions is a critical aspect of achieving the European Union’s (EU) 2030 climate goals. Similarly to all member countries of the EU, Greece shares the same climate goals. In order to achieve these goals, ensuring a consi...

For renewable energy technology to become ubiquitous, it is imperative to develop efficient oxygen evolution reaction (OER) electrocatalysts, which is challenging due to the kinetically and thermodynamically unfavorable OER mechanism. Transition metal carbides (TMCs) have recently been investigated as desirable OER pre-catalysts, but the ability to...

Electrode materials with appropriate mechanical, electronic and structural attributes are prerequisites for next generation renewable energy technology. An essential stage in development of batteries to achieve superior performance is selecting an appropriate anode material. In this research, application of B3S monolayer for anode materials has bee...

Currently, internal combustion engines and fossil fuels are the major powertrains and fuels for the transportation sector, despite their enormous emissions. This study reviews the status of electric vehicles (EVs) in Africa, the potential barriers that affect their large-scale adoption, and the continent’s potential to produce cleaner alternative f...

This paper investigates the integration of renewable energy technologies (RETs) in the design of smart buildings with the aim of achieving enhanced energy efficiency and self-sufficiency. As the demand for sustainable building practices grows, it becomes imperative to harness renewable energy sources and leverage advanced control mechanisms. This p...

South Africa is currently grappling with a national energy crisis and the high infrastructure costs associated with expanding the national grid to remote areas. Simultaneously, the government has made substantial efforts to harness renewable energy technologies, particularly wind energy. The average wind speed in a specific region significantly inf...

This study examines the correlation between personal remittances, financial development, urbanization, and renewable energy utilization in Southeast Asian countries for the period 1991-2020. The study employs both linear and nonlinear analyses to examine the symmetric and asymmetric effects of these variables on renewable energy consumption. The re...

This paper investigates the possibility of revolutionizing Africa's carbon footprint through innovative technology dissemination strategies for GHG emission reduction. It highlights the importance of harnessing renewable energy sources to mitigate climate change and promote sustainable development in Africa. This paper also examined several technol...

Renewable energy systems hold the key to a sustainable energy future, and at their core lies the pivotal influence of thermodynamics. This article comprehensively explores the fundamental thermodynamic principles that underpin renewable energy technologies, providing a robust foundation for understanding and optimizing their performance. In the con...

The pressing need for highly efficient renewable energy technologies has propelled research into perovskite solar cells (PSC) due to their excellent photovoltaic properties and high-performance potentials. This research investigates the performance and optimization of MAPbI 3 -based PSC, focusing on the use of different kesterite based hole transpo...

Solar and wind renewable energy are now the fastest growing sources of new energy in the world. In the US, from 1984 to 2021, solar and wind increased by 24,691% to about 12% of current electricity generation. Projections indicate that in 2026 almost 95% of new global power capacity will be renewable energy. This article tells the story of the birt...

Dye-sensitized solar cells (DSSCs) have garnered significant attention as a promising alternative to traditional silicon-based photovoltaic devices. This paper provides an overview of the latest advancements in DSSCs, with a particular focus on the incorporation of ordered porous structures and improvements in the photocathode material, titanium di...

A promising photovoltaic technology with great efficiency, affordable production, and promise for many uses has emerged: perovskite solar cells. With a focus on five key areas-device architectures and fabrication methods, efficiency enhancements, stability and durability concerns, environmental impacts and sustainability considerations, commerciali...

The diffusion of renewable energy technology, such as solar home systems (SHS), has great potential to reduce GHG emissions. However, households’ energy efficiency (EE) and curtailment behavior (CB) play a crucial role in this process. This study examines the rooftop solar PV potential, households’ willingness to adopt SHS, and their EE/CB implicat...

In this era, renewable energy technologies are suitable to meet the challenges of fossil fuel depletion and global warming. Thus, hydrogen is gaining attention as an alternative clean energy carrier that can be produced from various methods, one of them is the iodine-sulfur (I–S) cycle which is a thermochemical process. The I–S cycle requires a mat...

The electricity sector of Mongolia consists of five independent electric systems: the Central Regional Integrated Power Grid (CRIPG), which has most sources and consumers; Western Regional Integrated Power Grid (WRIPG); Eastern Regional Integrated Power Grid (ERIPG); Altai-Uliastai Integrated Power Grid (AUIPG) and Southern Energy System (SES). Mon...

This study reviews 285 full-text articles on renewable energy's impact on biosphere integrity, and group them according to how biosphere integrity is defined and measured in three broad approaches: biodiversity (i.e., the richness and abundance of species), topography (i.e., land use patterns and fragmentation) and productivity (i.e., nature's prov...

Efforts to mitigate the climate crisis result in a green‐green dilemma: the development of renewable energy technology is required worldwide to reduce greenhouse gas emissions but can have negative impacts on biodiversity. Impacts are being documented for wind farms, but effects of solar farms (photovoltaic power stations) on habitat use of vertebr...

As energy saving emerges as a critical factor for the sustainable development of humankind, the importance of Zero-Energy Buildings (ZEB) is gradually increasing. Therefore, much research is being conducted on high-efficiency renewable energy technologies that can be applied in urban areas. However, increasing the efficiency of BIPV were proposed a...

This review study evaluates a range of urban energy system planning models/tools (UEPMs) with respect to their capabilities to consider, identify, integrate and scale up renewable energy technology (RET) deployment in cities. Working with local stakeholders, we define twenty weighted evaluation criteria in order to assess UEPM capabilities using a...

This research discusses Green Networking, an important concept in reducing the environmental impact of information and communication technology in the digital era. In this study, the author conducted secondary data analysis and reviewed published papers related to the implementation of green networking. The analysis results indicate that green netw...

This study provides a high-level overview of alternative energy sources that can be harnessed to power agricultural operations, focusing on renewable energy technologies. When thinking about the overall economy around the globe, agriculture is vital. Energy is required at each step of production, from fertilizer production to fueling tractors for p...

Today's development of renewable energy technologies is perceived as an essential ingredient of the world’s response to emerging challenges of energy security, global warming, and climate change. However, the global deployment of renewables needs huge financial and technological contributions that many States cannot afford. Therefore the promotion...

Seasonal warm and cold water storage in groundwater aquifers is a cost‐effective renewable energy technology for indoor heating and cooling. Simple dimensionless analytical solutions for the thermal recovery efficiency of Aquifer Thermal Energy Storage (ATES) systems are derived, subject to heat losses caused by thermal diffusion and mechanical dis...

As India is on the cusp of a significant energy transition, this study explores the future pathways towards a decarbonised Indian power sector by using various plausible options such as variable renewable energy technologies , nuclear power, energy storage and green H 2. The TIMES-based optimisation model with an hourly temporal resolution has been...

Purpose: This research aligns with Sustainable Development Goal 7, contributing to the progress outlined in the 2030 Agenda for Sustainable Development and the commitments of the Paris Climate Agreement. Specifically, this study focuses on the spatial analysis of solar photovoltaic (PV) systems, offering valuable insights for academic exploration a...

Buildings, particularly office buildings, are major energy consumers and sources of CO2 emissions, contributing to around one-third of global energy consumption. As a result, energy consumption optimization regulations and the deployment of renewable energy technology in the construction sector has the potential to significantly reduce energy consu...

This study employs Machine Learning (ML) techniques to optimize the performance of Perovskite Solar Cells (PSCs) by identifying the ideal materials and properties for high Power Conversion Efficiency (PCE). Utilizing a dataset of 3000 PSC samples from previous experiments, the Random Forest (RF) technique classifies and predicts PCE as the target v...

Wind energy has emerged as a prominent player in the realm of renewable energy sources, both in terms of capacity and technological adaptability. Among the various renewable energy technologies, wind turbine generators stand out as the most widely employed. Recently, gearless permanent magnet synchronous generators have gained traction in the wind...

The extensive utilization of petrochemical energy sources has led to greenhouse gas emissions, the greenhouse effect, the frequent occurrence of extreme weather events, and the severe degradation of Earth’s ecosystems. The development of renewable energy technologies has become an inevitable trend. This paper investigates an adsorption-based coolin...

Environmental sustainability in educational institutions is a critical concern for addressing global challenges. This research presents a comprehensive framework for sustainable energy conservation, behavior change, and recycling practices in schools, with the aim of fostering environmental consciousness among students and enhancing overall educati...

Policymakers need to drive the rapid expansion of renewable energy technologies, and additionally channel the limited national potential of biomass into areas where it can provide the greatest benefit to the energy system. But do current policy instruments promote the use of biomass in these areas? In this study, shortterm energy scenarios are gene...

Ocean Thermal Energy Conversion (OTEC) is an emerging renewable energy technology using the ocean’s heat to produce electricity. Given its early development stage, OTEC’s economics are still uncertain and there is no global assessment of its economic potential, yet. Here, we present the model pyOTEC that designs OTEC plants for best economic perfor...

Along with the further integration of demand management and renewable energy technology, it is the key to make optimal use of energy storage facilities and coordinate operation with other facilities. On the basis of the present study, the author takes into account the current situation of the power storage equipment. Based on the measured data for...

Renewable energy is a global priority, as it addresses the goals of carbon neutrality and plays an important role in reshaping energy mixes. The shift from fossil fuels to renewable energy sources (solar, photovoltaic, geothermal, hydropower, wind, and biomass) must be performed without negatively affecting economic growth or our quality of life. R...

In recent years, the improvement of sensors and methodologies for 3D reality-based surveying has exponentially enhanced the possibility of creating digital replicas of the real world. LiDAR technologies and photogrammetry are currently standard approaches for collecting 3D geometric information of indoor and outdoor environments at different scales...

Nowadays, with the increasingly prominent contradiction between environment and development, renewable energy technology has received extensive attention. However, due to natural fluctuation, there are many challenges in safety and stationarity in an electric power system with a large-scale portion of renewable energy. Meanwhile, the conventional e...

The article considers financial incentives for the development and application of renewable energy technologies. The authors argue that state support is necessary to make renewable energy competitive with non-renewable energy. The state financial regulation of renewable energy is fixed by corresponding programme documents. Green bonds, block grants...

The triboelectric nanogenerators (TENGs) have shown the most significant potential in developing a sustainable power source for wearable technologies. Among the various TENGs devices, the textiles are the most suitable candidates for harvesting biomechanical energy due to their excellent flexibility, biocompatibility, confirmability, and simple fab...

The expansion of the human population and improved living conditions for a sizable portion of people are the primary forces behind adopting sustainable energy production technologies (besides fossil-fuel combustion). Fuel cells play a significant and productive role in energy transition by offering efficient and clean energy conversion among variou...

Nanoporous oxides have been established as key materials for constructing electrodes for energy conversion and storage devices, offering high surface area and a large number of active sites for electrochemical reactions. Herein, we mainly focus on the characteristics, synthesis, and application of various nanoporous oxide electrodes for energy conv...

The challenge of rural electrification has become more challenging today than ever before. Grid-connected and off-grid microgrid systems are playing a very important role in this problem. Examining each component’s ideal size, facility system reactions, and other microgrid analyses, this paper proposes the design and implementation of an off-grid h...

Mining in Canada stands as one of the most energy-intensive sectors, playing a pivotal role as a significant provider of copper, nickel, and cobalt to the international market. Anticipated growth in the global population, coupled with the transition of several low-income economies to middle-income status, is poised to escalate the demand for essent...

A ground-source heat pump (GSHP) system is a renewable energy technology that effectively reduces greenhouse gas emissions and consequently mitigates the progression of global warming. The thermal efficiency of ground heat exchangers (GHEs) is a critical component in the GSHP system that must be accurately estimated for its long-term operationality...

Renewable energy technologies are currently being developed, one of which is wind turbines. There are two types of wind turbines, namely the vertical axis and the horizontal axis. One of the horizontal wind turbines is the helical savonius. The development of this technology can help the development of renewable energy. The Mechanical Engineering E...

Over the past few years, there has been a substantial increase in attention and notable interest in the utilization of solar energy for agricultural applications. This increased attention stems from the recognition of solar energy as a compelling and environmentally conscious alternative to conventional energy sources. Among the various application...