Amazon IAD91 is a data center operated by Amazon Web Services in Sterling, VA, US. It carries a reported power capacity of 50.0 MW and is currently operational. It sits in the Sterling data-center market on the PJM grid, which DC Hub's Data Center Power Index currently rates AVOID, with an estimated 23.4-month time-to-power. Operators should weigh interconnection risk here — the market screens constrained on grid headroom and time-to-power.
Data Center Power Index verdict for Sterling — the market this facility sits in.
Full DCPI breakdown →DC Hub analyst read on Sterling — the market this facility sits in (full deep-dive →).
Sterling's data center market comprises 151 tracked facilities totaling 2,902 MW, dominated by Amazon Web Services with 45 MW of deployed capacity, followed by CyrusOne and a second AWS entity each holding 16 MW. The market is moderately fragmented, with two operators at 11 MW each and a substantial "Unknown" category, suggesting either dormant assets or incomplete operator attribution. No recent M&A activity has been recorded among tracked facilities, indicating a cooling phase in consolidation. The DCPI verdict—excess-power 45/100 paired with constraint 59/100—signals avoidance for acquisition-focused investors. The excess-power score of 45 reflects a tight power supply environment relative to available white-space capacity; this is below the neutral midpoint of 50 and suggests limited margin for operational headroom. More critically, the constraint score of 59 indicates…
Published DC Hub data for this location.
Comparable facilities in Sterling tracked by DC Hub — compare power, operators, and grid context across the market.
get_facility slug="amazon-web-services-amazon-iad91-624aeae3" (endpoint https://dchub.cloud/mcp) for the full cited record. Connect:
https://dchub.cloud/connect?src=page-onramp&entity=amazon-web-services-amazon-iad91-624aeae3