and in many places capacity factor for Solar is much lower than that IIRC, for Poland, we're talking about needing to build 10GW worth of solar generation to g

and in many places capacity factor for Solar is much lower than that IIRC, for Poland, we're talking about needing to build 10GW worth of solar generation to get 1GW into grid on average, or 4GW of wind. Assuming ~24GWh of storage to make it capable of providing that 1GW continuously.