Amazon Madison Mega Site

Compute capacity

214.3K H100e

IT power

284 MW

Capital cost

$11B

Amazon Madison Mega Site is an AI data center operated by Amazon, located in the United States (Amazon Data Services Inc, Madison Mega Site Nissan Parkway and Highway 22 Canton, Mississippi Madison County). Its compute is used by Anthropic.

The site holds roughly 214,348 H100-equivalents of AI compute. It draws about 284 MW of power. Building and equipping it represents an estimated $11B of capital in 2025 dollars. It currently runs Trainium2.

These figures are modelled estimates, not disclosures: Epoch AI derives them from permits, satellite imagery and reported spending, with an uncertainty of roughly 1.4x to 1.6x depending on the metric.

Timeline

Compute (H100e): 0 (2023-10-02) → 514.4K (2028-03-15)

Full record

Owner: Amazon
Ownership confidence: Confident
Users: Anthropic (speculative)
Project: Project Rainier #speculative
Country: United States
Location: Amazon Data Services Inc, Madison Mega Site Nissan Parkway and Highway 22 Canton, Mississippi Madison County
H100 equivalents: 214,348
Power: 284 MW
Total capital cost: $11B
Current chips: Trainium2
All chips: Trainium2