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Solar power

3:24

Energy 101: Solar Power

1:46

What is Solar Power? | National Geographic

3:58

The 'duck curve' is solar energy's greatest challenge

2:07

The Roadrunner solar power plant, the largest in the USA

2:00

Bill Gates Slams Unreliable Wind and Solar Energy

Solar power is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV), indirectly using concentrated solar power, or a combination. Concentrated solar power systems use lenses or mirrors and tracking systems to focus a large area of sunlight into a small beam. Photovoltaic cells convert light into an electric current using the photovoltaic effect.
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