Windmills will power the grid. Everyone will have a windmill in their backyard.
“windmills in everyone’s backyard” reminds me of Communist China’s “Great Leap Forward” in the 1960’s. Mao ordered creation of communes and for people to build kilns in their yards to produce iron and steel. It turned out to be a ‘great leap backward.’
https://en.wikipedia.org/wiki/Backyard_furnace
And will be using night soil sinks to create methane to cook and light one's hovel. Just like the non urban Chinese
Hook the windmills up to the politicians for free continuous power
And if the Earth slows down, reverse feed those windmills to counteract that.