It can't, source, gas prices in Europe now. Which we are paying. To a dictator who's overtly planning to invade the East. Because the sun isn't shining and batteries are three orders of magnitude too expensive.
Renewables get exactly as much credit for what might happen in future as Communists or NFT sellers get for how awesome their plans are. Nuclear already delivered, in some places still does, winter heat. Its detractors are responsible for gas reliance.