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HYDROPOWERHYDROPOWER
A HydroPowerPoint!A HydroPowerPoint!
By Olivia
Where are Hydropower Plants?Where are Hydropower Plants?
A A HydroHydropower plant must be located on a power plant must be located on a body of body of waterwater..
They are on rivers, lakes, and streams.They are on rivers, lakes, and streams. Many of the world’s largest Many of the world’s largest hydrohydropower power
plants are located in Canada, Russia, and plants are located in Canada, Russia, and Brazil.Brazil.
There are 80,000 hydropower plants in the There are 80,000 hydropower plants in the worldworld
How Much Energy Do They How Much Energy Do They Give Us?Give Us?
Hydropower plants generate Hydropower plants generate a 24% of the world’s energy a 24% of the world’s energy
andand
12% of the U.S.’s12% of the U.S.’s
water
Turns the turbine
Goes through dam
Generates electricity
Water continues down the river
Electricity goes through power lines to our school!
Pros & ConsPros & Cons
ProsPros Produces inexpensive and Produces inexpensive and
clean electricity. clean electricity. They rarely break down. They rarely break down. The dams can be shut The dams can be shut
down quickly if needed.down quickly if needed. Controls floodingControls flooding Makes a place to fish, Makes a place to fish,
swim, and sail if the water swim, and sail if the water isn’t already being used for isn’t already being used for drinking drinking
Renewable energy sourceRenewable energy source Design makes it easy to Design makes it easy to
repairrepair
Cons
•Requires flooding of entire valleys
• If there is a large flash flood, dams can break.
•Ecosystems can be destroyed
•Plant decay near dams creates as much greenhouse gasses as conventional power plants.
Bibliography• www.mms.gov• www.personal.psu.edu• http://www.energy4me.org/sources/Hydropower.htm\• http://www.alternative-energy-news.info/technology/hydro/• http://drake.marin.k12.ca.us/stuwork/rockwater/Upload%20this%20doc--dams%20and
%20hydropower%20report/pros%20and%20cons.html