An analysis of 60 of the largest planned US data centers: they could together produce 101.5M tons of CO2 per year, or ~7% of US power sector emissions in 2025
FT analysis finds 60 largest planned facilities could emit equivalent of 27 coal plants or 24mn cars per year
Context & Ripple Effects
The estimate extends a mounting record that data-center expansion is becoming a power-system issue, not just a real-estate one. Earlier coverage projected data centers could account for 6.7% to 12% of US electricity use by 2028, while the IEA linked them to nearly half of US electricity-demand growth.
The emissions figure also aligns with a surge in gas capacity explicitly earmarked for data centers and prior permit documents tying just 11 campuses to more than 129 million tons of annual greenhouse-gas emissions. It gives the planned-buildout debate a comparable power-sector emissions benchmark.
First-order effects
- Operators behind the 60 planned US facilities now face an emissions estimate of 101.5 million tons annually, making the carbon intensity of their power supply central to the projects’ public and permitting profile.
- US power-sector planners must account for a prospective load cluster whose associated emissions equal roughly 7% of 2025 sector emissions, rather than treating data-center demand as incremental consumption.
Second-order effects
- Gas projects positioned to serve data centers gain a clearer demand rationale, but also inherit greater exposure to scrutiny already visible in air-permit records for data-center-linked gas projects.
- Electricity sourcing becomes a sharper differentiator for data-center projects: powered sites backed by lower-emitting supply have a stronger position against facilities dependent on new fossil generation.
Third-order effects
- If planned capacity is built on the projected power mix, compute expansion will increasingly be judged by its power-system emissions footprint as well as by available megawatts.
- The industry is moving toward a constraint in which power-ready capacity and the emissions attached to it jointly determine which data-center projects can advance.
The trend: US data-center development is shifting from a compute-capacity race into a contest for deliverable power with an acceptable emissions profile.