Even before the AI revolution (or bubble) took off in 2023, datacenters already used a decent amount of electricity. And the industry's increasing appetite for machine learning will require even more power. All this energy won't be coming from a single source. Datacenters will need to thrive on a "buffet of choices," Uptime Institute analyst Jay Dietrich opined. Those choices will principally include solar, wind, nuclear, and natural gas – each of which has its unique pros and cons.