Assessing the Carbon Emissions and Energy Consumption of U.S. Hyperscale Data Centers

In three linesStudy of 403 US hyperscale data centers (May 2024–April 2025): estimated consumption 68–99 TWh, emissions 37–54 Mt CO2. Represent 1.8% of US electricity consumption. Carbon intensity 545 gCO2/kWh, 48% above national average (370 gCO2/kWh). 54% of electricity from fossil-fuel sources.

Summary generated by Claude — human-verified