Ridgeland, Mississippi

Amazon Ridgeland

Operating, expanding checked 1 Nov 2026

228 MWpower online now

1.0 GWpeak planned or projected

$8.6Bestimated capital cost, built so far

MSMississippi

Facts

Owner: Amazon
Main user: Anthropic
Project: Project Rainier
Chips: Trainium2
Power suppliers: Entergy

Timeline

2024-02-24

Land clearing begins

2025-10-04

Roof complete on Buildings 3

2026-05-15

Buildings 1-4 are operational, based on the buildings shells and backup generators and most of the landscaping looking complete. Building 5 roof is complete but still lacks cooling equipment.

273 MW

2027-02-09 (projected)

Building 5 is operational (estimate).

341 MW

2028-09-29 (projected)

Buildings 6-14 are operational (estimate). Buildings 1-4 took an estimated 2.25 years on this site. We assume Buildings 6-14 get underway by July 2026, and take the same time as Buildings 1-4. This is later than the [expected completion by 2027](https://www.datacenterdynamics.com/en/news/aws-confirmed-as-company-behind-10bn-mississippi-data-center-development/).

1.0 GW

Past entries are observations; entries marked projected are estimates and can change.

Sources (checked 1 Nov 2026)

Data: Epoch AI, AI data centers dataset, licensed CC BY 4.0. We selected fields, cleaned location names, and added the status label.