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Transcript of Solar Energy
Pathway to the Future...
First Solar Collector
Photoconductivity of Selenium
Light Discoveries and Solar Cells
Photovoltaic Effect Defined
Popularity in U.S.
Solar Energy In Space
Solar Cell Efficiency and $$
Coal Plants (
Environmental Problems Posed By Fossil Fuels!!
Fossil Fuel Is Not A Renewable Energy Resource
Fossil Fuel is Prehistoric
Solar Energy Industries Association
Resource potential is huge.
The potential for just offshore wind would generate four times the U.S. power used in 2012.
Thats 17 quadrillion watts of electricity!
Most abundant energy resource on Earth
173,000 terawatts of solar energy strikes the Earth continuously
More than 10,000 times the world's total energy use.
85% increase in 2012
3,300 megawatts total
U.S. 4th largest market
75% decrease in cost
Converting sunlight to usable energy...
In one hour, enough sunlight reaches the Earth's surface to meet the entire world's energy needs for one year.
Concentrating Solar Power
PV comes from the process of converting light (photons) to electricity (voltage)
Called the PV effect
Solar Photovoltaic (PV) Cells
Demand for solar energy is currently greater than supply.
Although investment in solar panels is high, energy from the sun is free!--Money will be saved in the long run.
By: Stephanie, Cassie, Steven, Ryan
Mojave Desert Solar Project
Growing Solar Market
mirrors reflect light
steam turns turbine