There are lots of fun facts about hydropower. Did you know that?

• Hydropower, from the Greek word hudor meaning water, is energy from water.
• Hydropower is a renewable energy because it's replenished naturally by rain and snow.
• Hydropower is green and clean as it doesn't pollute.
• Hydropower plants use the force of falling water to generate electricity.
• Hydropower is the cheapest way to generate electricity today.
• Hydropower is one of the oldest sources of energy. The Ancient Egyptians used water wheels to turn clocks and grind grain as early as 250 B.C.