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Photos added
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Wind Power
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What is Wind Energy?
• Conversion of kinetic energy of the wind into mechanical movement or electricity.
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History of Wind Power
• World was explored on wind powered ships.
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Wind Power
• Windmills grind grain.
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Advantages of Wind Power
• The energy is:– renewable– infinitely sustainable
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Advantages of Wind Power (2)
• Pollution free
• No green house gasses
• No waste products
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Limitations of Wind Power (2)
• The system only produces energy when there is wind blowing.
• It produces relatively small quantities of energy.
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Disadvantages of Wind Power
• Wind farms:• are large scale operations require land.• can be noisy.• are unsightly.
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Disasters
• Habitats are reduced.
• Many wild birds are killed by wind generators.
• Rare birds may be wiped out.
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They Kill Birds Every Day!
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Turbines Tumble
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Turbines Fail
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Economic Impact
The cost of wind energy is determined by:
• the initial cost of the wind turbine installation.
• the interest rate on the money invested.
• the amount of energy produced.
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Economic Impact
• Modern aerodynamics and engineering have improved wind turbines.
• They are becoming more cost effective.
• Canadian Tire sells several types for individuals.
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400W Wind GeneratorCanadian Tire
Cost: $799
Can power:• Lights• Laptop• Microwave• Radio• TV / VCR /DVD• Cooler
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Economic Impact
• Generating electricity with diesel generators can range from $0.25 to $1.00 per kilowatt hour.
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Economic Impact
• The current rate Hydro Quebec charges is .067¢ per kilowatt hour.
• The rate across Canada averages between .06¢ and .08¢ per kilowatt hour.
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USA
Price per Kilowatt hour
5.81¢ in Tennessee
12¢ in California
14.314¢ in New York
16.734¢ in Hawaii
20¢ in parts of California
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Economic Impact
• The cost of generating electricity ranges between five and ten cents per kilowatt hour.
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Reflection
• Due to increased demand for energy nationally and internationally, something must be done.
• Wind power is an option that is becoming increasingly economically viable for the average person.