goingcritical:fessenheim-2France · Power reactor

Fessenheim-2

Status: Shut down reached first criticality June 27, 1977 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: Fessenheim, Haut-Rhin

PolandRomaniaAustriaLondonParisSheffieldDuisburgKatowiceMannheimTurin
Fessenheim, Haut-Rhin47.9036° N, 7.5625° E
Summary:

Second CP0-series 900 MWe PWR at Fessenheim on the Rhine in Alsace. First went critical on 27 June 1977. Permanently shut down 30 June 2020, closing France's oldest nuclear station.

Details

Design900 MWe CP0 PWR
Electrical output880 MWe

Milestone history

  1. Announced
  2. Construction start February 1, 1972
  3. Fuel load
  4. First criticality June 27, 1977
  5. Grid connection October 7, 1977
  6. Commercial operation April 1, 1978