Wind energy is the fastest growing renewable energy source in the world. How is it sourced and converted into electricity? Here's a presentation that tackles the answers to these questions. More themed slides: https://slideshop.com/Themed-Slides

1. WIND ENERGY:
It Can Blow You Away

2. THE SUN HEATS
THE EARTH UNEVENLY
The Earth is covered by both
land and water, which heat and
cool at different rates
Source: Ask
The Earth is tilted,
creating seasonal differences
The Earth rotates,
creating daytime and nighttime

3. UNEVEN HEATING
CAUSES AIR TO MOVE
Warm pockets of air rise, and others move in
to replace them—thus, the wind blows.
Source: Ask

4. THE WIND’S ENERGY CAN BE CONVERTED INTO
ELECTRICITY THROUGH
WIND TURBINES

5. PARTS OF A WIND TURBINE
Rotor
Blade
Generator
Tower
Gearbox
(transmission)
Nacelle
(housing)

6. Source: Sempra
HOW WIND TURBINES WORK
Wind pushes the turbine blades and turns the
rotor.
The rotor turns the rotor shaft and gearbox,
connected to a generator.
The generator creates electricity, which is
transmitted over power lines.
1
2
3

7. An average 1.5-MW turbine can power
332 US households for a year.
HOW MANY HOMES
CAN A WIND TURBINE POWER?
Source: Wind-watch

8. WIND ENERGY IS THE FASTEST GROWING
RENEWABLE ENERGY SOURCE IN THE WORLD
Source: GWEC | Wikipedia
0
50
100
150
200
250
300
350
400
2000 2002 2004 2006 2008 2010 2012 2014
CumulativeCapacity
(Gigawatts)
Global Wind Power Cumulative Capacity

9. Source: Wikipedia
15.8%
1.6%
2.3%
2.5%
2.6%
3.4%
6.1%
6.2%
10.6%
17.8%
31.0%
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35
(rest of world)
Brazil
Italy
France
Canada
United Kingdom
India
Spain
Germany
United States
China
WIND POWER PRODUCTION
BY COUNTRY, 2014

10. HOW TALL IS THE
TALLEST WIND TURBINE?
George, Kenya,
6.1 meters
Tallest giraffe
Tokyo Skytree, Japan,
634 meters
Tallest tower
Vestas V164, Denmark,
220 meters
Tallest wind turbine

11. Wind is free and renewable
Provides job opportunities
Clean, no pollutants produced
Can be built in remote areas
Available in a range of sizesADVANTAGES
OF WIND ENERGY

12. High initial cost
Wind strength and duration
aren’t consistent/predictable
May be noisy
May have negative effects
on wildlife
Suited to coastal or hilly
areas only
DISADVANTAGES
OF WIND ENERGY

13. “THE FUTURE IS GREEN ENERGY;
SUSTAINABILITY, RENEWABLE ENERGY.”
Arnold Schwarzenegger

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