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POTENTIAL OF WIND ENERGY IN SAUDI ARABIA
IBRAHIM ELAMINSHAFIQUR REHMAN
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
DHAHRAN – 31261, SAUDI ARABIA
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OUTLINE
►Saudi Power Systems
►WHY RENEWABLE ENERGY?
►GLOBAL WIND POWER INSTALLED CAPACITY
►PROJECTS
►CONCLUSIONS
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Saudi Arabian Power Systems
•Load in 2008 , 40,000 MW (190,000 GWh)
•Forecasted load and Energy (2032):
120, 000 MW (540, 000 Gwh)
Energy Sources: Fossil Fuels
Natural gas
Crude Oil
Heavy Fuel
Diesel oil
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FSaudi Arabian Power Systemsuel Consumption (2008)
2010-3-24 4
Generated Energy in 2008 : 190,000 GwhFuel Consumption in 2008:
Diesel 929,000,0 M TonsCrude Oil 756,000,0 M tonsHeavy Fuel 623,000,0 M TonsNatural Gas 22780 Million Cu. Meter
Total: 45,760 ,000 Ton of Oil Equivalent(Approximately over 850,000 Barrels of Oil a day)
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Gas Supply & Demand
2010-3-24 5
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Options for Power GenerationAlternatives
2010-3-24 6
• Nuclear Power Generation
• Import of Power From Neighboring Countries
• Use of Renewable Energy: Wind, Solar , Geothermal etc.
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WHY WIND ENERGY IN SAUDI ARABIA?
•Conservation of fossil fuel
•Increasing cost of fossil fuel
•Reduce green house gases
•Competitive cost of wind energy
•Few months required for erection
•Ease of Maintenance
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WHY WIND ENERGY IN SAUDI ARABIA?
•Create New Jobs
•Create New Industries
•Wind power prices- Not affected by fuel prices
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GRID CONNECTED WIND FARMS
WIND-DIESEL HYBRID APPLICATIONS
WIND POWER PROJECTS
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Wind Measurement
Wind farm layout design
Wind farm view
Noise analysis
GRID CONNECTED WIND FARMS
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Equipment Selection and Procurement
Site Preparation and Installation
Measurements and Assessment
Wind Measurement Campaign
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MEASUREMENTS
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MEASUREMENTS
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MEASUREMENTS
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WIND SPEED AT DIFFERENT HEIGHTS-JUAYMAH
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MONTHLY MEAN WIND SPEED AT DIFFERENT HEIGHTS-JUAYMAH
10 meters 20 meters
30 meters 40 meters
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MONTHLY MEAN WIND SPEED AT DIFFERENT HEIGHTS-JUAYMAH
10 meters 20 meters
30 meters 40 meters
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MONTHLY WIND SPEED AT DIFFERENT HEIGHTS-JUAYMAH
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MONTHLY WIND POWER DENSITY AT DIFFERENT HEIGHTS-JUAYMAH
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WIND TURBINE CHARATERISTICS-JUAYMAH
WindMachine
Cut-in speed (m/s)
Cutout speed (m/s)
Rated speed (m/s)
Rated output (kW)
Rotor Diameter
(m)
Expected Life
(Years)
V96-2750 3.0 25.0 15.0 2750 100 20
Wind power curve for Vestas 2750 kW wind machine
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ENERGY YIELD FROM SINGLE WIND TURBINE
Annual Mean Wind Speed:At 10m AGL = 4.2m/sAt 20m AGL = 4.8m/sAt 30m AGL = 5.3m/sAt 40m AGL = 5.7m/s At 40m AGL wind was available for 59% of the timeLocal wind shear exponent = 0.221Energy Yield from 2.75MW Wind Turbine
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MONTHLY ENERGY YIELD AT DIFFERENT HUB HEIGHTS-JUAYMAH
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MONTHLY PCF AT DIFFERENT HUB HEIGHTS-JUAYMAH
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PERCENT RATED OUTPUT AT DIFFERENT HUB HEIGHTS-JUAYMAH
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PERCENT ZERO OUTPUT AT DIFFERENT HUB HEIGHTS-JUAYMAH
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WIND POWER FOR VILLAGESROWDAT BEN HABBAS
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SEASONAL WIND SPEED - RBH
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SEASONAL WIND SPEED - RBH
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FREQUENCY: WIND SPEED -RBH
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ENERGY YIELD - RBH
Vestas VT100 2.75MW Wind Turbine Power Curve
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ENERGY YIELD - RBH
Installed capacity = 550MWNo. of Turbines = 200
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Wind Diesel Hybrid Power System DesignHOMERHYBRID 2
Techno-economical feasibility for a village25% Wind penetration
Recommendations
HYBRID SYSTEM FOR RBH
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WIND DIESEL HYBRID Description Details
Capacity of diesel system (1250 kW, 2240 kW, 2240 kW), MW 5.73
Capacity of wind farm (3 WECS of 600 kW each), MW 1.8
Annual working hours of the three diesel units, hours 4475, 5918, 508
Number of starts per year (Gen1, Gen2, Gen3) 900, 364, 127
Diesel power plant initial cost, SAR 32,681,400
Wind farm initial capital cost, SAR 14,062,500
Total initial capital cost 46,744,875
Diesel power plant O & M cost/year, SAR 1,584,128
Wind farm O & M cost/year, SAR 281,250
Diesel fuel cost/year, SAR 450,173
Total operation & maintenance + fuel cost /year, SAR 2,315,550
Total net present cost (NPC), SAR 80,229,788
Cost of energy (COE), Halalah/kWh 33.3
Saving in fuel consumption by using hybrid system, % 25.1
CO2 emissions avoided by using hybrid system, tons/yr 4,442
Excess energy generation, % 2
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WIND DIESEL HYBRID Item Description Diesel
Power System
Hybrid Power System
Difference (%)
Total initial cost, SAR 32,682,488 46,744,988 43.0Total net present value (NPC), SAR
68,350,680 80,229,788 17.3
Cost of energy (COE), Halalah/kWh
28.5 33.4 17.1
O and M, SAR/yr 1,584,128 1,865,378 17.7Fuel consumption, l/yr 6,246,381 4,899,840 -21.5Fuel expenditure, SAR/yr 573,885 450,173 -21.5Genset operating hours/yr 12,822 11,171 -12.8Green house gases, tons/yr 16,892 13,251 -21.5
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WIND TURBINE AT WORK IN KSA
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Conclusions
• Firm Government Commitment
• Formulation of National Policy
• Variety of Research Projects are on‐going
• Firm Plans to build Wind Farm on Red Sea Coast
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THANKS