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observes the photovoltaic effect in a conductive solution exposed to light.
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creates the first solar cell.
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recieves patent US527377 "solar cell" and US527379 "solar cell".
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publishes a paper on the photoelectric effect.
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creates a 10% effecient solar cell and introduces the use of a grid contact.
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is the first manned spacecraft powered by solar cells.
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is powered by solar cells.
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installs solar panels on the White House and promotes incentives for solar.
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photovoltaic prodution exceeds 21.3 megawatts.
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directs the U.S. department of energy to establish the National Renewable Energy Laboratory.
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The total worldwide installed photovoltaic power worldwide is 1000 megawatts.
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Arnold Schwarzenegger proposed the Solar Roofs Initiative that would provide one million solar roofs by 2017.
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orders installation of solar panels in the White House.
