Hydro-power

By Jubilee Engelke

Why I selected this topic

Because I wanted to know more about the topic and tell others about my research.

What advantages does Hydro-power have?

1. Once a dam is constructed, electricity can be produced at a constant rate.

2. If electricity is not needed, the gates can be shut, stopping electricity generation. The water can be saved for use another time when electricity demand is high.

3. Dams are designed to last many decades.

4. The lake that forms behind the dam can be used for water sports and leisure/water activities.

5. The lake's water can be used for irrigation purposes.

What is Hydro-power?

Hydro-power or water power, is when power is made by running or falling water.

Water is stored high up in dams, when they need energy, the water is released.

What disadvantages does it have?

1. Dams are really expensive to build.

2. The high cost of dam construction means that they must operate for many decades to become profitable.

3. The flooding of large areas of land means that the natural environment is destroyed.

4. People living in villages and towns that are in the valley to be flooded, must move out.

5. They can cause earthquakes.

How will this help in the future?

Hydroelectricity is a renewable, non-polluting energy. It does not cause any greenhouse gasses or produce any toxic waste. It currently represents almost 20% of global electrical capacity. The future seems promising for small hydro.

Hope you enjoyed reading this and learnt something :)