As I discovered while I continued that line of reporting, building new nuclear plants isn’t so simple or so fast. So what’s going to power AI? Nuclear power plants, on the other hand, tend to run constantly, outputting a steady source of power for the grid. But all that isn’t going to be nearly enough to meet the demand that big tech companies are claiming will materialize in the future. (For more on the numbers here and why new tech isn’t going to come online fast enough, check out my full story.)