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What is the biggest advantage of solar PV devices?
What were the global PV installations approximately in 2012?
What was the energy payback period for PV panels in 2008?
What is the typical lifetime of PV panels?
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What was the cost of PV panels per peak watt by 2012?
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What is the direct conversion of sunlight into electricity with no intervening heat engine called?
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What was the global PV installations approximately in 2012?
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What is the typical lifetime of PV panels?
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What were the energy payback periods for PV panels in 2008?
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What was the cost of PV panels per peak watt by 2012?
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