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

When does the greatest amount of solar energy reach the earth's surface?

Around solar noon.

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  1. At sunrise
  2. At 6 pm local time
  3. Around solar noon ✔

Why: At solar noon the sun is highest, so its light passes through the least atmosphere. That is when panels usually make the most power.

Huh, didn't know that: Sun angles run from 0 degrees at the horizon to 90 degrees overhead.

The dad joke
Solar noon is when the sun finally hits its peak. Good for panels, hard for sunscreen.
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References

Answer: Around solar noon. At solar noon the sun is highest, so its light passes through the least atmosphere. That is when panels usually make the most power.

  1. DOE: Solar Radiation Basics www.energy.gov/eere/solar/solar-radiation-basics
    the greatest amount of solar energy reaches the Earth around solar noon
    Checked 2026-10-10.

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