Three Mile Island Restart
837 MW AI data center in Middletown, PA, United States — under construction.
- Capacity: 837 MW
- Location: Middletown, PA, United States
- Developer: Constellation
- Tenant: Microsoft
- Status: under construction
- Estimated cost: $1.6B
Three Mile Island Restart is a 837 MW AI data center project located in Middletown, PA, United States, currently under construction. It is being built by Constellation for tenant Microsoft. The estimated build cost is $1.6B. This project is one of thousands of data-center facilities tracked by Data Center Index across PA, United States — covering operational, under-construction, announced, and permitted sites.
Linked public companies
- Constellation Energy (CEG) — developer
- Microsoft (MSFT) — tenant
- Emerson Electric (EMR) — power management