For the typical day, the energy-saving rate is 30.14 % and the economy has improved by 42.03 %. In the cooling season, the power consumption is reduced by 16,153 kWh, with an energy-saving rate of 19.17 %; the operating cost is saved by 2488.1 USD, and the economy is enhanced by 27.01 %.
Energy saving and environment protection are critical issues in the world today. Buildings account for 20–40% of total energy consumption in different countries , , . In hot climates, up to 50% of the building cooling load could come from the large amount of solar energy passing through glazing systems , , . Therefore, it is
It was tried to cool a photovoltaic panel using a combination of fins on the back and water on the top. With a multi-cooling strategy, the reacher believe that the solar module temperature can be maintained below 20 °C, and the electrical efficiency can be raised by 3% reality, the PCM layer is responsible for maintaining a temperature that is optimal for the
With the ability to convert solar energy into electricity directly, photovoltaic (PV) modules are rapidly gaining wide interest in the field of solar energy utilization, especially given the price drops in recent years. In order to evaluate the comprehensive energy saving effect of a rooftop distributed PV power plant with and without
The present study proposes a novel PV energy-saving window and analyzes the impact of key factors and configurations on heating load under three control modes, as shown
Numerous researches have explored various factors for energy-saving in plant factories in their settings, but there is a lack of analysis of the importance of these factors in energy saving. In this work, the energy-saving effect assessment of various factors in the container plant factory is investigated.
Solar thermal system utilizes solar collector to harvest solar energy converting solar irradiation into thermal energy, which can be used for the domestic water production, bringing great energy-saving potential for domestic sector . By integrating with heat pump system, solar-assisted air source heat pump system (SA-ASHP) can further improve the energy grade
Under design conditions, the integrated CSP-TES system reached an overall energy efficiency of 41.3 %, compared with typical values of less than 20 % for traditional CSP plants. This efficiency is the daily net electrical output ratio to the overall solar energy input over the same period, including energy storage and retrieval periods.
In the present study, a structural model was developed for energy-saving Chinese solar greenhouses (ECSG), which combines a greenhouse energy balance model with a
For the accuracy of the results of this research, this article only studies some buildings in areas with extremely low temperatures. In extreme weather, these buildings require external wall structures with good thermal insulation to achieve the effect of cold protection. How to make the exterior wall structure of these buildings energy-saving and environmentally
The model presented in this paper provides theoretical guidance for analyzing the comprehensive energy-saving effects of photovoltaic rooftop systems and reveals the potential for energy savings
The effect of temperature, solar flux and relative humidity on the efficient conversion of solar energy to electricity using photovoltaic (PV) modules in Port Harcourt (tropical climate region
For building façades with different orientations, the energy-saving effect was related to the annual distribution of solar radiation, with the south and west façades receiving the most solar radiation and having a more significant energy-saving effect, whereas the north façade had the worst energy-saving effect.
The need to safeguard energy security policies and address the growing negative environmental effects of fossil fuels has made it necessary to develop innovative, efficient power generation systems that rely on renewable energy sources [30, 31] this regard, fuel cells represent feasible sources of electricity production that have lower environmental
As the dominant free, sustainable, and clean energy of the natural environment, solar energy is an unmatched driving energy source for planet Earth (Ezzaeri et al., 2020).Solar energy is also the primary substitute for fossil fuels, and will help reduce the negative impacts of greenhouse gas emissions (Obama, 2017) and lead to the adoption of the ''solar energy
This study aims to evaluate the energy-saving potential of passive solar heating systems in diverse global climates and introduce a new indicator, the passive solar heating indicator (PSHI), to enhance the efficiency
As a driving force of sustainable energy development, photovoltaic power is instrumental in diminishing greenhouse gas emissions and is vital for achieving our targets for a sustainable energy future. Therefore, a systematic review of carbon emission reduction in photovoltaic power systems (CERPPS) is very important for a deeper understanding and
In order to evaluate the comprehensive energy saving effect of a rooftop distributed PV power plant with and without radiative cooling, dynamic response characteristics
The model presented in this paper provides theoretical guidance for analyzing the comprehensive energy-saving effects of photovoltaic rooftop systems and reveals the potential for energy savings of rooftop photovoltaic panels as external shading devices. The results of their variance analysis revealed that solar radiation and actual wind
A Parametric Investigation on Energy-Saving Effect of Solar Building Based on Double Phase Change Material Layer Wallboard. This article is part of Special Issue: However, the model and related analysis are concentrated on the whole system and overall efficiency. The heat transfer process and the influence of the PCM parameters on the heat
Solar panel shading analysis is a vital process that ensures solar energy systems operate at peak efficiency. By identifying and understanding the effects of shading, installers can optimize the placement of solar panels to maximize energy production.
The light emitting diode (LED) street lighting systems based on solar photovoltaic technology have been used for some time. In this paper, we present an analysis aiming at assessing the feasibility and economic performance of a solar
In this paper, the solar light pipe systems in the two buildings have been measured to find out whether indoor daylighting performance can meet daily use requirements.
A multifactor and multiobjective unbiased evaluation method based on the orthogonal test and entropy methods is proposed to study energy-saving transformation of
Their analysis determined that the sunspace meets 82% of the residence''s annual heating load. Their subsequent life-cost analysis revealed a payback period of 4 months for the sunspace. the effects on energy efficiency were investigated by changing parameters such as the direction of the sunspace, the materials used, the structure of the
The depletion of global resources has intensified efforts to address energy scarcity. One promising area is the use of solar photovoltaic (PV) roofs for energy savings. This study conducts a comprehensive bibliometric analysis of 333 articles published between 1993 and 2023 in the Web of Science (WOS) core database to provide a global overview of research on
Development of renewable energy sources as a replacement of fossil fuels had been taken into consideration in past few decades , .Solar energy as an available, cheap and environmental friendly alternative source has been the subject of many theoretical and experimental studies .The integration of solar energy with different kinds of systems plays an
A solar heating system (SHS) with a phase change material (PCM) thermal storage tank is proposed with the view that traditional heat water storage tanks present several problems including large space requirements, significant heat loss and unstable system performance. An entire heating season (November–March) is selected as the research period
The energy saving properties and CO2 emission reduction were analyzed. This system had a significant effect on the energy-saving effect and environmental protection. The analysis showed that the hot-water system can
In the latter case, this results in energy savings of about 25.3% and 43.8% when the system operates with condensation temperatures of 40 °C and 35 °C, respectively. An optimal mass fraction model of fluid deviating in the solar sub-cycle was also analyzed. The effect of evaporation temperature on generated energy savings has also been analyzed.
What is Solar Energy Cost and Data Analysis? Solar energy cost analysis examines hardware and non-hardware (soft) manufacturing and installation costs, including the effect of policy and market impacts. Solar energy data analysis examines a wide range of issues such as solar adoption trends and the performance and reliability of solar energy
We compared the cumulative solar energy production every 100 m along both the energy-saving route and shortest route (Fig. 8); this analysis helped in identifying the path that offered the best balance between energy production and consumption. At a travel distance of 9 km, a significant increase in solar energy generation on the energy-saving route widened the
Jianrui Bai received his Bachelor''s degree in Energy and Power Engineering from the College of Modern Science and Technology, Taiyuan University of Technology in 2017. He is currently pursuing a doctoral degree in the Faculty of Metallurgy and Energy Engineering at Kunming University of Science and Technology in Kunming, Yunnan Province, China, with
Digital technology has become a key driver of industrial transformation and resource utilization. However, no consensus has been reached on the exact relationship between digital technology and energy utilization. This study adopted a comprehensive index system to investigate the impact of digital technologies on energy utilization across 30 provinces in
Small-scale solar radiation predictions primarily rely on simulated data and parametric models. The detailed attention to urban environments and architectural specifics enhances the spatial and temporal resolution set in these solar radiation simulations, leading to higher simulation accuracy and more refined results .For instance, Hachem-Vermette and
The efficiency of solar panels plays a crucial role in determining the economic viability of a solar photovoltaic (PV) power plant, as it directly converts solar energy into electrical energy. This efficiency is influenced by
The optimization and energy efficiency analysis of a multi-tank solar-assisted air source heat pump water heating system. Therm Sci Eng Progress, 48 (2024), The frost restraining effect of solar air collector applied to air source
This system had a significant effect on the energy-saving effect and environmental protection. The analysis showed that the hot-water system can fully meet the design requirements under the
The heat collection in summer met the demand for hot water, and the guarantee rate of solar energy could reach 100%. The energy saving properties and CO 2 emission reduction were analyzed. This system had a significant effect on the energy-saving effect and environmental protection.
The system does not take up additional space, and can be self-generated and self-consumed, and the surplus power can be fed into the Internet 5. In the generation of electricity at the same time, can also use solar heating, near the user to provide hot water, energy-saving benefits are particularly obvious 6.
Solar collector systems can save 1.3 × 109 kJ of energy a year, while 1 kW/h of electricity is converted into heat energy of 3600 kJ, and the price of electricity per kWh is 0.48 yuan.
Finally, a quantitative method for evaluating the comprehensive potential for energy savings is proposed, considering the electricity generation gain of photovoltaic panels and the comprehensive energy-saving efficiency of photovoltaic roofs, which generates a total potential for energy savings rate of 61.06%.
The solar collector system can save 170,500 yuan a year, and the total cost of the solar collector system is 777,400 yuan, saving 2,557,500 yuan in the whole life cycle. Solar water heating systems not only save conventional energy, but also reduce the emission of pollutants (mainly carbon dioxide).
It has achieved the purpose of saving energy, reducing carbon dioxide emissions and protecting the environment. The energy crisis and environmental pollution are becoming more and more serious, and solar energy is getting attention because it is clean, non-polluting and widely distributed 1, 2, 3.
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