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TMI Unit 1 Restart (Crane Clean Energy Center)

USA
Planning
Developer
Constellation Energy
Capacity
835 MWe
Last updated
6/22/2026

Project overview

Reactor type
Pressurized Water Reactor
Announced
6/16/2026
Projected operational
12/31/2027

Notes

FERC approved crucial waiver allowing Constellation Energy to fast-track restart of TMI Unit 1 (now Crane Clean Energy Center) to supply power to Microsoft data centers. Unit operated safely for decades until closing in 2019 for economic reasons. Target to deliver 835 MWe by late 2027.

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