Techno-economic analysis of a hybrid solar PV-grid powered air-conditioner for daytime office use in hot humid climates – A case study in Kumasi city, Ghana

Opoku, Richard; Mensah-Darkwa, Kwadwo; Muntaka, Abdul Samed

doi:10.1016/j.solener.2018.03.013

Cited by 51 publications

(21 citation statements)

References 30 publications

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“…The authors of these papers have made exclusive contributions to the body of knowledge on the techno-economic viability of renewable energy systems. However, emission quantification was not discussed by the reviewed literature (Table I) (Adaramola et al, 2012;Ahmed et al, 2015;Al-Sharafi et al, 2017;Askari and Ameri, 2012;Bhakta et al, 2015;Celik, 2007;Charrouf et al, 2018;Chong et al, 2011;Nagaraj et al, 2016;Nakata et al, 2005;Opoku et al, 2018;Rehman and Al-Hadhrami, 2010). This paucity will be addressed in this present paper by providing an emission analysis of the optimal energy systems.…”

Section: Hybrid Power Systemmentioning

confidence: 98%

“…To achieve this objective, it is essential to develop a robust model that will integrate technical, policy, economic, environmental and social aspects that can accommodate uncertainties or fluctuations in input parameters. The aim of this study is to address the gap identified in studies compared in Table I (Adaramola et al, 2012;Ahmed et al, 2015;Akinbulire et al, 2014;Al-Sharafi et al, 2017;Askari and Ameri, 2012;Babatunde et al, 2017;Bhakta et al, 2015;Celik, 2007;Charrouf et al, 2018;Chong et al, 2011;Lal and Raturi, 2012;Nagaraj et al, 2016;Nakata et al, 2005;Opoku et al, 2018;Rehman and Al-Hadhrami, 2010). As a contribution to the study on the technoeconomic evaluation of th HRES, this study considers the effects of annual real interest rates on investment costs, operations costs, size of the optimal HRES configuration, total net present cost (TNPC), cost of energy (COE) and the energy mix.…”

Section: Motivation and Scope And Contribution Of The Studymentioning

confidence: 99%

“…Askari and Ameri (2012) presented a feasibility analysis of a renewable energy system for meeting the load demand of 50 households in a remote area of Kerman, Iran. Opoku et al (2018) reported a technoeconomic analysis of a hybrid system using Kumasi in Ghana as a case study.…”

Section: Hybrid Power Systemmentioning

confidence: 99%

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Analysis of an optimal hybrid power system for an off-grid community in Nigeria

Babatunde

Denwigwe

et al. 2019

IJESM

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Purpose This study aims to analyze the effects of variations in annual real interest rates in the assessment of the techno-economic feasibility of a hybrid renewable energy system (HRES) for an off-grid community. Design/methodology/approach Hybrid Optimization of Multiple Energy Resources (HOMER) software is used to propose an HRES for Abadam community in northern Nigeria. The HRES was designed to meet the basic needs of the community over a 25-year project lifespan. Based on the available energy resources in the community, photovoltaic (PV), wind turbine, diesel generator and battery were suggested for integration to serve the load requirements. Findings When the annual real interest rates were taken as 10 and 8 per cent, the total amount of total energy fraction from PV, wind turbine and the diesel generator is 28, 57 and 15 per cent, respectively. At these interest rates, wind turbines contributed more energy across all months than other energy resources. The energy resource distribution for 0, 2,4 and 6 per cent annual real interest rates have a similar pattern, but PV contributed a majority of the energy. Practical implications This study has used annual real interest and inflation rates dynamic behavior to determine optimal HRES for remote communities. Hence, its analysis will equip decision-makers with the necessary information for accurate planning. Originality/value The results of this study can be used to plan and design HRES infrastructure for off-grid communities around the world.

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Section: Hybrid Power Systemmentioning

confidence: 98%

Section: Motivation and Scope And Contribution Of The Studymentioning

confidence: 99%

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Analysis of an optimal hybrid power system for an off-grid community in Nigeria

Babatunde

Denwigwe

et al. 2019

IJESM

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“…There are as well research studies that highlight the electrochemical storage of photovoltaic solar energy using different technologies [9] and intelligent systems [10]. Regarding isolated systems, there are studies that have considered mathematical [11] [12] and experimental models [13] [14].…”

Section: Introductionmentioning

confidence: 99%

A photovoltaic solar system applied to rural household in Peru

et al. 2021

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The present research study aims to improve the efficiency of photovoltaic systems applied to homes in isolated areas. This experimental study was carried using a prototype of a rural house, located at the Technological University of Peru - Arequipa, Peru. The photovoltaic solar system, connected to the prototype house, supplied its electric loads (TV, Blu-ray, radio, refrigerator, blender, heater, washing machine, fan, iron), which were programmed to be turned on and off using digital timers during a period of 3 months (March, April and May 2020). The measured parameters were the solar power, the consumed electrical power and the electrical power of what would be an auxiliary source of energy (electric generator, for example) in case the solar resource is unavailable. The results indicate that the photovoltaic solar system could store the unused solar energy to supply the nighttime electrical loads, ensuring, in this way, the autonomy of the energy system.

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“…The interest of the scholarly community in these systems was already evidenced in [5]. The most popular installations in recent years are grid-connected air-to-air systems, reporting operation performances from a complete cooling season [6,7] to a full year [8,9]. As for grid-connected air-to-water systems, the literature reports performances from the simulations presented in the paper [10] to performances of several hours [11] or Energies 2020, 13, 4114 2 of 20 even years [12].…”

Section: Introductionmentioning

confidence: 99%

A Comparative Economic Feasibility Study of Photovoltaic Heat Pump Systems for Industrial Space Heating and Cooling

2020

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The use of photovoltaic (PV) systems for powering heat pumps (HP) leads to an economic, energy efficient and environmentally friendly alternative for heating and cooling generation. A technical solution developed by the authors permits stand-alone configurations to operate without batteries, mitigating up to 75% of the solar power fluctuations resulting from cloud-passing. Once its technical feasibility has been demonstrated, the economic potential of this innovative solution should be assessed (avoiding a battery system is a significant advantage). This paper presents a comparative economic assessment of this autonomous (AU) solution and a self-consumption (SC) solution, that would substitute a grid-powered HP system for the space heating and cooling of two livestock farms located in Spain. Results show that PV-HP systems are economically feasible regardless of the technical solution: the Profitability Index (PI) is in the 2.23–2.97 €/€ range, the Internal Rate of Return (IRR) is in the 8.1–10.9% range, the Payback Period (PBP) is in the 9.2–11 years range and the savings in terms of the Levelized Cost of Energy (LCOE) are in the 57–70% range. The AU solution offers a higher economic profitability, because it permits larger savings in the electricity bill. The SC solution presents lower LCOEs because of its greater electricity production.

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Techno-economic analysis of a hybrid solar PV-grid powered air-conditioner for daytime office use in hot humid climates – A case study in Kumasi city, Ghana

Cited by 51 publications

References 30 publications

Analysis of an optimal hybrid power system for an off-grid community in Nigeria

Analysis of an optimal hybrid power system for an off-grid community in Nigeria

A photovoltaic solar system applied to rural household in Peru

A Comparative Economic Feasibility Study of Photovoltaic Heat Pump Systems for Industrial Space Heating and Cooling

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