goingcritical:oyster-creekUnited States · Power reactor

Oyster Creek

Status: Shut down reached first criticality May 3, 1969 Reactor status full glossary → Announced Publicly announced — a site and design are proposed, but construction has not begun. Site preparation Early site and civil works are under way; the first safety-related ("nuclear") concrete has not yet been poured. Under construction Formal construction has begun, marked by the first nuclear concrete. Fuel loaded Nuclear fuel has been loaded into the core. The reactor is fuelled but has not yet gone critical. Critical Has reached first criticality — a self-sustaining chain reaction, usually at low power — but is not yet connected to the grid. Grid connected Synchronised to the electrical grid and exporting power for the first time, but still in commissioning and power-ascension testing — not yet in commercial service. Operating In commercial operation — the operator has formally declared the unit in regular commercial service. Shut down Permanently shut down and no longer generating; may be defuelled, undergoing decommissioning, or preserved in place. Canceled Abandoned before completion.

Site: Lacey Township, New Jersey

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Lacey Township, New Jersey39.8147° N, 74.2050° W
Summary:

One of the first large commercial BWRs and the oldest operating US reactor when it closed in 2018

Details

DesignGeneral Electric BWR-2 (Mark I)
Electrical output619 MWe

Milestone history

  1. Announced
  2. Construction start December 15, 1964
  3. Fuel load
  4. First criticality May 3, 1969
  5. Grid connection September 23, 1969
  6. Commercial operation December 1, 1969