➀ Gartner predicts datacentres will require 160% more electricity within two years due to AI demands, with power for AI-optimised servers expected to reach 500 terawatt-hours per year by 2027; ➁ By 2027, 40% of datacentres will be constrained by power shortages, and the growth of new AI datacentres will slow down; ➂ Long-term solutions include new battery storage technologies and clean power sources like small nuclear reactors.