Because people want heat and electricity when the sun isn't shining and the wind isn't blowing enough (or at all) which happens pretty regularly If you haven't

Because people want heat and electricity when the sun isn't shining and the wind isn't blowing enough (or at all) which happens pretty regularly If you haven't won the geographic lottery then... You can burn coal like there is no tomorrow (see Poland) Or gas (see Germany, and most of Europe for heating), and enable Russia and other undesirables Or nuclear and have energy security without directly and indirectly causing death and suffering for millions