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Wind Power
What is Wind Energy?
• Conversion of kinetic energy of the wind into mechanical movement or electricity.
History of Wind Power
• World was explored on wind powered ships.
Wind Power
• Windmills grind grain.
Advantages of Wind Power
• The energy is:– renewable– infinitely sustainable
Advantages of Wind Power (2)
• Pollution free
• No green house gasses
• No waste products
Limitations of Wind Power (2)
• The system only produces energy when there is wind blowing.
• It produces relatively small quantities of energy.
Disadvantages of Wind Power
• Wind farms:• are large scale operations require land.• can be noisy.• are unsightly.
Disasters
• Habitats are reduced.
• Many wild birds are killed by wind generators.
• Rare birds may be wiped out.
They Kill Birds Every Day!
Turbines Tumble
Turbines Fail
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.
Economic Impact
• Modern aerodynamics and engineering have improved wind turbines.
• They are becoming more cost effective.
• Canadian Tire sells several types for individuals.
400W Wind GeneratorCanadian Tire
Cost: $799
Can power:• Lights• Laptop• Microwave• Radio• TV / VCR /DVD• Cooler
Economic Impact
• Generating electricity with diesel generators can range from $0.25 to $1.00 per kilowatt hour.
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.
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
USA Price per Kilowatt hour
Economic Impact
• The cost of generating electricity ranges between five and ten cents per kilowatt hour.
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.