solar panel efficiency, definition of

Solar Panel Efficiency

Solar Panel Efficiency is a percentage measure of how Solar Energy from the Sun hitting a solar panel is ideally converted into useful electrical power. This is often given assuming perfect conditions; i.e. no shade, maximum sun and cool. In practice the actual rate of conversion can be somewhat different due to:

  • Shading - even partial shading can have a dramatic effect on the energy produced.
  • Heat - the hotter a solar panel becomes the less efficient it is at converting solar energy into electrical energy.
  • Sun Strength - akin to shading, but if the Sun is behind clouds or low in the sky you will get dramatically less power.

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Related Tags: solar power, solar energy, energy efficiency, renewable energy, solar cells, green energy, solar panels

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