If ultra-cheap solar power fuses directly with AI, robotics, and autonomous logistics, the decisive geography of prosperity shifts toward regions that can deliver dense, reliable energy for machine work.
Industrial advantage migrates toward places once dismissed as peripheral. The winning regions are not just sunny; they learn to convert abundant power into uninterrupted machine capability through storage, cooling, scheduling, and local grid design. New manufacturing cities rise where energy, compute, and robotics sit in one tightly coordinated loop. Instead of exporting raw sunlight through distant grids, these places export goods, synthetic materials, and trained autonomous services made where power is cheapest at the exact hour production occurs.
At 5:50 a.m. outside Nouakchott, a maintenance technician drinks tea on the roof of a housing block while lines of warehouse robots wake in the pale light below; the factory schedule has already shifted itself to match the sunrise forecast.
The same model could deepen inequality if energy-rich zones hoard infrastructure gains or overdraw local land and water. Cheap power alone does not guarantee shared prosperity; governance decides whether the bright belt becomes a commons or an extraction frontier.