Google’s energy use spiked by 37% over the last year due to AI

Google’s energy use increased by 37% in 2025, mainly because of its growing number of AI data centers. This was revealed in Google’s recent annual environmental report, which also showed that the company plans to keep increasing its purchase of renewable energy.

Such a large increase in energy usage over one year shows how AI is becoming one of the world’s largest consumers of energy. And as AI becomes more advanced, we need to think about where that energy comes from — and who pays for it.