Annual DNI or GTI at the south pole is surprisingly high. About 5-6kWh/m^2 which is pretty close to somewhere like california or western Australia. https://www

Annual DNI or GTI at the south pole is surprisingly high. About 5-6kWh/m^2 which is pretty close to somewhere like california or western Australia. https://www.researchgate.net/publication/334411420_Estimation_of_Direct_Normal_Irradiance_at_Antarctica_for_Concentrated_Solar_Technology 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.