Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Offshore Wind Power Resources Assessment in the Gulf of North Suez

Version 1 : Received: 15 September 2023 / Approved: 18 September 2023 / Online: 19 September 2023 (05:49:29 CEST)

A peer-reviewed article of this Preprint also exists.

Rehman, S.; Irshad, K.; Ibrahim, N.I.; AlShaikhi, A.; Mohandes, M.A. Offshore Wind Power Resource Assessment in the Gulf of North Suez. Sustainability 2023, 15, 15257. Rehman, S.; Irshad, K.; Ibrahim, N.I.; AlShaikhi, A.; Mohandes, M.A. Offshore Wind Power Resource Assessment in the Gulf of North Suez. Sustainability 2023, 15, 15257.

Abstract

Growing population, industrialization, and power requirements are adversely affecting the environment by increased greenhouse gases, resulting from fossil fuel burning. Global greenhouse gas mitigation targets have led the nations to promote clean and self-renewable sources of energy to address the environmental issue. Offshore wind power resources are relatively more attractive due to high winds, less turbulence, minimal visualization effects, and no interaction of infrastructure. The present study aims at conducting offshore wind power resources assessment (OWPRA) at some locations in the Gulf of North Suez. For this purpose, the long-term hourly mean wind speed (WS) and wind direction above means sea level (AMSL) and temperature and pressure data near surface is used. The data is obtained from ERA5 (fifth generation reanalysis for the global climate weather) at chosen six (L1-L6) offshore locations. The data covers a period of 43 years, between 1979 and 2021. The WS and direction are provided at 100 m AMSL while temperature and pressure are available near water surface level. At L1 to L6 locations, the log-term mean WS and wind power density (WPD) values are found to be 7.55 m/s and 370 W/m2, 6.37 m/s and 225 W/m2, 6.91 m/s and 281 W/m2, 5.48 m/s and 142 W/m2, 4.30 m/s and 77 W/m2, and 5.03 and 115 W/m2 and at 100 m AMSL; respectively. The higher magnitudes of monthly and annual windy site identifier indices (MWSI and AWSI) of 18.68 and 57.41 and 12.70 and 42.94 at L1 and L3 sites and generally lower values of wind variability indices are indicative of favourable winds source, which is also supported by higher magnitudes of mean WS, WPD, annual energy yields, plant capacity factors, and wind duration at these sites. The cost of energy, for the worst and the best cases are estimated as 10.120 USD/kWh and 1.274 USD/kWh at L5 and L1 sites corresponding to wind turbines WT1 and WT4. Based on the analysis, sites L1, L3, and L2 are recommended for wind farm development in order of preference. The wind variability and windy site identifiers indices introduced, will help decision-makers in deciding the potential windy sites with more confidence.

Keywords

Offshore; windy site identifier; annual wind variability index; monthly wind variability index; wind speed; wind power density

Subject

Engineering, Energy and Fuel Technology

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