alt Hacker NewsIs that 20% of the solar energy, or 20% of the visible light, or some other spectrum fraction? It's easy to lose track of what part of the spectrum you're discussing.
Is that 20% of the solar energy, or 20% of the visible light, or some other spectrum fraction? It's easy to lose track of what part of the spectrum you're discussing.
> The conversion efficiency of a photovoltaic (PV) cell, or solar cell, is the percentage of the solar energy shining on a PV device that is converted into usable electricity
https://www.energy.gov/cmei/systems/solar-performance-and-ef...