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Three Mile Island to Restart in 2027 as Crane Clean Energy Center

PJM expedited the grid interconnection, leveraging a 20-year Microsoft deal to propel the plant’s restart to 2027.

A cooling tower is seen at the Three Mile Island Nuclear power plant, during a tour by Constellation Energy in Middletown, Pennsylvania, U.S., October 16, 2024. REUTERS/Shannon Stapleton/File Photo
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Overview

  • The facility’s Unit 1 reactor, shut down in 2019 for economic reasons, will return to service under the new Crane Clean Energy Center name.
  • Constellation has hired over 400 workers and ordered key components including transformers and nuclear fuel to prepare for restart.
  • Maintenance and renovation efforts are funded with a $1.6 billion investment aimed at restoring approximately 835 MW of zero-emission power.
  • The Nuclear Regulatory Commission is scheduled to conduct a July review of operator training and safety procedures at the site.
  • The project is expected to generate about 650 permanent jobs and bolster U.S. nuclear capacity goals, though some local residents remain concerned about safety and waste storage.