GHI is quite low (your array needs to be very spread out) and seasonality is 1/0, but if seasonal storage were available then a solar array in antarctica is fine.
Mars GHI is about 550W/m^2, but there are no clouds. An array there would perform about as well as france or spain.
https://www.researchgate.net/publication/334411420_Estimatio...
GHI is quite low (your array needs to be very spread out) and seasonality is 1/0, but if seasonal storage were available then a solar array in antarctica is fine.
Mars GHI is about 550W/m^2, but there are no clouds. An array there would perform about as well as france or spain.