Wind Power Facts
Wind can be defined as the movement of air from high-pressure areas to low-pressure areas. It is caused when the earth’s surface gets heated unevenly by the Sun. Wind energy is an alternative source of energy that is being used since 2000 B.C. It is clean and renewable and causes minimum pollution. Humans have harnessed wind power for thousands of years. Earlier it was used to crush grain and pump water. Now, the main use of wind energy is to generate electricity. It is not used more often because it is expensive to produce.
Quick Facts: –
- Charles F. Brush was the first person to build a large-scale wind energy turbine for electricity generation.
- In some countries including Denmark and Portugal, wind power contributes approximately 20% of the total electricity production.
- The process of electricity generation from wind energy does not use any water.
- The first ever modern wind turbine was built in Vermont in 1940’s.
- Modern turbines produce 19 times more electricity that the old turbines.
- A wind turbine blade can be up to 260 feet long and a turbine tower can be approximately 330 feet tall.
- A typical wind turbine can have as many as 8,000 different components.
- Smaller wind turbines are used to charge batteries or as backup power in caravans and sailing ships.
- Most of the turbines (approximately 98%) are installed on private land.
- A single turbine can power about 600 homes.
- A large group of wind turbines is called as a wind farm.
- These farms can be constructed in offshore locations.