This is called global radiation.
Diffuse light solar panels.
There is quite a lot of literature available on the net indicating that straight up is indeed the best direction for a panel in diffuse light.
Approximately 23 of direct incident radiation of total sunlight is removed from the direct solar beam by scattering into the atmosphere.
Hold your hand about one foot from the solar panel.
However since diffuse radiation is generally pretty equally distributed throughout the sky the most diffuse radiation is gathered when your solar panels are laying down horizontally.
Incorporated solar panels charge these lights for a more cost effective performance while textured glass panes diffuse light evenly in all directions.
The steeper your solar panels are tilted the less of the sky they are facing and the more of the sky s diffuse radiation they miss out on.
Diffuse sky radiation is solar radiation reaching the earth s surface after having been scattered from the direct solar beam by molecules or particulates in the atmosphere.
Then use your hand to shade the solar panel.
Point the solar panel toward the widest section of sky.
Measure how many milliamps it produces.
Have students record this information.
It is probably also beneficial to use a panel type optimised for the wavelengths that make it through cloud best.
A total of four lights in this four pack of maxsa innovations mission style deck lights help keep stairs and decks usable after dark.