Economic evaluation of rooftop grid‐connected photovoltaic systems for residential building in Egypt

Summary Microgrid systems based on renewable energy sources can play a significant role in providing cost‐effective, environmentally friendly and reliable electrical supply to the people living in rural areas of India. This assessment aims to design and evaluate the performance of a grid‐connected microgrid system comprising of photovoltaic (PV) arrays, wind energy generating units and battery energy storage system (BESS). The realistic load data of a small village, Tandwal, located in Ambala district of Haryana, India, is considered for this assessment. Furthermore, sensitivity analysis is performed to find out the effect of load demand, solar radiation, utility grid price, grid outages, capital cost of BESS, solar module cost and power converter loading ratio in the proposed microgrid system. The results show that the PV‐BESS‐utility grid system is an optimal solution with renewable energy penetration at the studied location. The feed‐in tariff/net metering makes the overall system sustainable and improves its reliability with unmet load as well as capacity shortage.

Section: Sensitivity Analysismentioning

confidence: 99%

Design and analysis of a microgrid system for reliable rural electrification

Garg

Sharma

Kumar

2020

“…Each block has its own energy purchasing tariff according to the amount of the monthly consumed energy. The highest energy block is for consumers with demand more than 1000 kWh monthly and its associated tariff is $0.089/kWh 32 . There are about 200 000 users in this block which represents 0.75% of all electricity customers with 5.6 billion kWh of energy consumed.…”

Section: Electricity Regulations In Egyptmentioning

confidence: 99%

“…The highest energy block is for consumers with demand more than 1000 kWh monthly and its associated tariff is $0.089/kWh. 32 There are about 200 000 users in this block which represents 0.75% of all electricity customers with 5.6 billion kWh of energy consumed. Most of these customers are located in private residential compounds not in a high rising building, these compounds are characterized by the availability of large space area per customer which makes it more suitable to install rooftop PV system.…”

Section: Electricity Regulations In Egyptmentioning

confidence: 99%

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The viability of battery storage for residential photovoltaic system in Egypt under different incentive policies

Gabr¹,

Helal

Abbasy

2020

Self Cite

Summary As a global common trend for fossil fuels independence, renewable energy plays a great role to save a clean source of energy. As a result of the high solar energy potential in Egypt, successive incentive polices had been introduced by the Egyptian electricity authority to encourage the deployment of small‐scale residential rooftop photovoltaic (PV) systems. This paper explores the impacts of installing a grid‐connected PV battery system from both technical and economic point of view under the existing incentive policy and energy purchasing and selling price in Egypt. The Egypt case is considered as a case study. The study investigates the current Egyptian Incentive Policy situation and criteria for high electricity load profile. The economic evaluation of various sizes of the PV battery system is carried out based on different economic measures such as net present value (NPV), self‐sufficiency (S‐S), and electricity bill savings. The methodology is based on the assessment of different technical and economical indices as well as on performing sensitivity analysis. A MATLAB code was purposely developed and implemented to evaluate the economic effect of the installed system considering the effect of battery capital cost and discount rate variations. A net energy metering (NEM) incentive policy is suggested to increase and maximize the financial profits from installing PV battery system and increase the independency from the utility grid. The results showed that doubling the sellback power price to $0.089/kWh instead of $0.04/kWh will decrease the profitable PV system size to the half and will increase the NPV to the double. Under FiT incentive policy, installing 25 kWp PV system can achieve 50% of S‐S and adding 12.5 kWh of batteries will increase it to 75%, while under the NEM incentive policy, installing 15 kWp PV system can achieve 47% of S‐S and the 75% S‐S can be achieved by adding 15 kWh of batteries.

“…The proliferation of RERs in the traditional power system has become a promising solution to satisfy ever‐increasing load demand and gradual reduce the local consumption of already depleted fossil fuels. The utilization of RERs such as solar, wind, biomass and hydropower offers numerous techno‐economic benefits and can improve access to sustainable energy supply in rural areas 6 …”

Section: Introductionmentioning

confidence: 99%

Design and analysis of a photovoltaic‐battery ‐ methanol‐diesel power system

Adefarati

Obikoya

Onaolapo

et al. 2021

Summary The utilization of renewable energy resources (RERs) in the traditional power system has gained a global recognition owing to their technical, economic and environmental benefits. The techno‐economic analysis of a microgrid system that consists of diesel generator (DG), methanol generator (MG), photovoltaic (PV) and battery system (BS) is implemented in this study to evaluate the performance of the power system. The feasibility study of the power system is implemented by using HOMER application tool and meteorological data provided by the National Aeronautics and Space Administration. The analysis indicates that PV‐DG‐MG‐BS microgrid system is the most optimized configuration based on the net present cost (NPC) of $213 405.4, cost of energy (COE) of $0.256/kWh, renewable fraction of 88.6%, diesel fuel of 3055 L/y and DG operating hours of 1037 h/y. The results obtained from the optimized configuration translate to a substantial reduction in NPC, COE, diesel fuel and operating hours of DG when compared to the base case study. This indicates that the combination of DG, PV, MG and BS in a microgrid system is the most economical configuration to achieve a feasible result. Moreover, sensitivity analysis is carried out to investigate the impacts of solar radiation, load demand, fuel cost and inflation rate on the performance of the power system. The results obtained from the study clearly prove the effectiveness of using RERs to increase the sustainability and performance of the power system. This improves the standard of living and economic activities in areas where the microgrid systems are sited.