The article cites studies sponsored by the EU. <a href="https://www.esa.int/Enabling_Support/Space_Engineering_Technology/SOLARIS/Cost_vs._benefits_studies" rel="nofollow">https://www.esa.int/Enabling_Support/Space_Engineering_Techn...</a><p>The studies suggest the only solution for the energy crisis are SBSP Systems. Space Based Solar Power. Which are 15 square kilometre arrays, that beam their power, on the order of 2 GW down to an earth based receiver station, which is coupled to the power grid.