• Electricity is generated by moving water and it
is a renewable energy source.
The history of Hydropower
• The Greeks used water wheels for grinding
wheat into flour more than 2,000 years ago.
Besides grinding flour, the power of the water
was used to saw wood and power textile mills
and manufacturing plants.
Where Hydropower is found
• Hydropower is power generated by moving
water, so rivers and streams that run down a
mountain is a good place to find hydropower.
Pros/cons of Hydropower
• Can stop at anytime to
• Dams created and can
last for decades
• No pollution or
• Dams are very
expensive to construct
• Flooding in large area
• Can lead to problems
with countries nearby
• Hydropower is the most significant renewable
• Hydropower is the force of energy of moving water.
• Hydropower generates in the USA about nine percent of total
• Hydropower today provides about 20 % of the world's
electricity and is the main energy source for more than 30
• Hydropower is renewable energy source that doesn't cause
global warming because it doesn't releases dangerous
• Hydropower's installations can act as the barrier to fish
movements and can kill or damage fish population.
• Hydropower is the least expensive renewable energy
source in the USA.
• Hydropower's large-scale projects are criticized for
altering river ecosystems, killing fish and affecting the
• Hydropower's primary use is to produce electricity.
• Hydropower can also be used for water supply, flood
control, irrigation and even recreation purposes.
• Hydropower can be used anywhere in the world where
there's falling water.