goingcritical:greifswald-4Germany · Power reactor

Greifswald 4

Status: Shut down reached first criticality July 22, 1979 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.

Developer: Energiewerke Nord (formerly VEB Kernkraftwerk Bruno Leuschner)

Site: Lubmin, near Greifswald, Mecklenburg-Vorpommern

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Lubmin, near Greifswald, Mecklenburg-Vorpommern54.1406° N, 13.6644° E
Summary:

Fourth VVER-440/230 unit at East Germany's Greifswald station; shut down on 2 June 1990 as the fleet was retired on safety grounds after reunification.

Details

DesignVVER-440 (V-230) PWR
Electrical output408 MWe

Milestone history

  1. Announced —
  2. Construction start April 1, 1972
  3. Fuel load —
  4. First criticality July 22, 1979
  5. Grid connection September 3, 1979
  6. Commercial operation November 1, 1979

References

  1. World Nuclear Association reactor database, Greifswald 4
  2. Wikipedia, Greifswald Nuclear Power Plant