Electrical Power Engineering

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Techno-Economic Assessment of the Electric Grid –Connected PV Power Plant at Arab American University / Jenin
(Ahlam Hasan Abu Zahew, 2018-06-10) Abu Zahew, Ahlam
The performance of 70 kWp grid-connected PV system in Arab American University have been analyzed. The performance Parameters considered under this study are the final PV system yield, performance ratio and capacity factor. The economical assessment was also analyzed including cash flow, payback period, net present value and the unit energy cost. The annual system outputs were 100 MWh and 95 MWh in 2015 and 2016 respectively. May 2015 and 2016 had the highest output energy with approximately 12 MWh in both years. The PV final yield varies between 180 kWh/kWp in May and 47 kWh/kWp in January, with annual final yield of 1428 kWh/kWp and 1367 kWh/kWp for 2015 and 2016 respectively. With respect to performance ratio(PR) the system had an annual PR of 80% in 2015 and 76.8% in 2016. The monthly PR varied between 52% in Jan and 99% in March in 2015 and (34% in Sep and 99% in Nov) in 2016. On the other hand, from the economic perspective the system seems to be economically acceptable with a 7 years payback period, a positive net present value mounting to 31612.7$ and an internal rate of return of 13% which is greater than the 8% interest rate used in the economic evaluation.