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The science of photovoltaics began in 1838 with a pair of French physicists working on the generation of electricity through chemical reactions. The physicists noticed that exposing the apparatus to sunlight increased the output of electrical energy.

By 1954, Bell Laboratories announced the developments that finally brought photovoltaics out of the lab and into the realm of practical application, the single-crystal silicon cell with 4.5% efficiency.

Generating Energy

  1. Solar panels collect the sun's energy and convert it into direct current (DC) electricity.
  2. An inverter converts the electricity from DC to alternating current (AC) electricity for use in your home.
  3. Electricity could be stored in the utility grid for future use.

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