Three Mile Island Unit 1 (restart)
Located in Middletown, Pennsylvania, USA, Three Mile Island Unit 1 is a pressurized water reactor with a net capacity of 835 MWe, historically significant for its long operational history since 1974. Shut down in 2019, a restart is now planned to bring it back online, contributing to clean energy go
Key Stats
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Three Mile Island Unit 1 (restart)
Status: PLANNED Category: POWER Country: USA USA Type: PWR PWR Capacity: 835 MWe
Overview
Located in Middletown, Pennsylvania, USA, Three Mile Island Unit 1 is a pressurized water reactor with a net capacity of 835 MWe, historically significant for its long operational history since 1974. Shut down in 2019, a restart is now planned to bring it back online, contributing to clean energy goals in the region. This revival effort underscores the renewed focus on utilizing existing nuclear assets.
Key Facts
Source: IAEA PRIS / reactors_canonical · Enriched by Grok Last updated: 2026-05-10
Sources
- IAEA PRIS — General database for reactor information, including historical data on Three Mile Island Unit 1.
- NRC Power Reactor List — Official U.S. Nuclear Regulatory Commission list of power reactor units, including Three Mile Island Unit 1.
- Wikipedia: Three Mile Island Nuclear Generating Station — Detailed historical and operational information on the Three Mile Island facility.
- World Nuclear Association: Nuclear Power in the USA — Country profile with context on U.S. nuclear power, including Three Mile Island.
- World Nuclear News: Three Mile Island Unit 1 Restart [UNVERIFIED] — Recent article covering the planned restart of Three Mile Island Unit 1.
Sources (1)
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