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SESK: Stuff Everyone Should Know · sesk.info/solar-efficiency-25

According to EIA, state-of-the-art PV module efficiency is now approaching what level?

Approaching 25%.

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  1. About 5%
  2. About 25% ✔
  3. About 60%

Why: Efficiency is the share of sunlight a panel turns into electricity. It was under 10% in the mid-1980s and around 15% by 2015.

Huh, didn't know that: EIA notes experimental cells have reached nearly 50% efficiency.

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Why did the light bulb fail his math quiz? He wasn't too bright.
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References

Answer: About 25%. Efficiency is the share of sunlight a panel turns into electricity. It was under 10% in the mid-1980s and around 15% by 2015.

  1. EIA: Photovoltaics and Electricity www.eia.gov/energyexplained/solar/photovoltaics-and-electricity.php
    is now approaching 25% for state-of the art modules
    Checked 2026-10-10.

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