Economic Integration of Renewable and Conventional Power Sources—A Case Study

Muhammad Mateen Afzal Awan, Muhammad Yaqoob Javed, Aamer Bilal Asghar, Krzysztof Ejsmont and Zia-ur-Rehman
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Muhammad Mateen Afzal Awan: Department of Electrical Engineering, University of Management and Technology Lahore, Sialkot 51310, Punjab, Pakistan
Muhammad Yaqoob Javed: Department of Electrical and Computer Engineering, COMSATS University Islamabad, Lahore 54000, Punjab, Pakistan
Aamer Bilal Asghar: Department of Electrical and Computer Engineering, COMSATS University Islamabad, Lahore 54000, Punjab, Pakistan
Krzysztof Ejsmont: Faculty of Mechanical and Industrial Engineering, Warsaw University of Technology, 02-524 Warsaw, Poland
Zia-ur-Rehman: Department of Electrical Engineering, Mirpur University of Science and Technology, Mirpur 10250, Azad Kashmir, Pakistan

Energies, 2022, vol. 15, issue 6, 1-20

Abstract: In this study, we have presented an optimal microgrid design that ensures the uninterrupted energy supply to Mirpur University of Engineering and Technology (MUST), Azad Jammu and Kashmir AJK, Pakistan at the cheapest price by using reliable energy resources. The availability of energy resources, environmental viability, and economic feasibility are the key parameters of design. The available resources for the MUST site include the National grid, Solar photovoltaic (SPV), Battery bank, and Diesel generator. The data of electrical load, solar illumination, atmospheric temperature at the university, diesel fuel cost, SPV module lifetime, SPV degradation factor, SPV efficiency, SPV cost, battery cost, battery life, national grid energy price, load shedding and toxic emissions have been considered valuables in designing the hybrid micro-grid. The difference in net present cost (NPC) of the optimal design and the worst design is calculated by considering the above parameters. The proposed optimal microgrid design supplies energy to the load using SPV, Diesel generator, and battery bank with NPC of $250,546 and the renewable fraction of 99%. Whereas the worst design includes the Diesel generator and battery bank as energy supplying sources with the NPC of $2.14 M and a renewable fraction of 0%. Simulations performed using HOMER Pro software (HOMER Energy, HOMER Pro-3.11, Boulder, CO, USA) proved that after considering all the data and requirements mentioned above, out of 979 feasible designs, the proposed hybrid microgrid design is best suitable for MUST.

Keywords: microgrid; Hybrid Optimization of Multiple Energy Resources; renewable energy; optimization; sensitivity analysis (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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