1. HYDROPOWER A HydroPowerPoint! By Olivia

2. Where are Hydropower Plants?  A Hydropower plant must be located on a body of water.  They are on rivers, lakes, and streams.  Many of the world’s largest hydropower plants are located in Canada, Russia, and Brazil.  There are 80,000 hydropower plants in the world

3. How Much Energy Do They Give Us?  Hydropower plants generate a 24% of the world’s energy and  12% of the U.S.’s

4. water Turns the turbine Goes through dam Generates electricity Water continues down the river Electricity goes through power lines to our school!

5. Pros & Cons Pros  Produces inexpensive and clean electricity.  Produces inexpensive and clean electricity.  They rarely break down.  They rarely break down.  The dams can be shut down quickly if needed.  The dams can be shut down quickly if needed.  Controls flooding  Controls flooding  Makes a place to fish, swim, and sail if the water isn’t already being used for drinking  Makes a place to fish, swim, and sail if the water isn’t already being used for drinking  Renewable energy source  Renewable energy source  Design makes it easy to repair  Design makes it easy to repair 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. 

6. 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.htmlhttp://drake.marin.k12.ca.us/stuwork/rockwater/Upload%20this%20doc-- dams%20and%20hydropower%20report/pros%20and%20cons.html