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Chooz Nuclear Power Plant
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| Chooz Nuclear Power Plant | |
|---|---|
 | |
 | |
| Official name | Centrale Nucléaire de Chooz |
| Country | France |
| Location | Chooz, Ardennes |
| Coordinates | 50°5′24″N 4°47′22″E / 50.09000°N 4.78944°E |
| Status | Operational |
| Construction began | 1960 |
| Commission date | April 15, 1967 |
| Decommission date | 1991 (Chooz A) |
| Operator | EDF |
| Nuclear power station | |
| Reactor type | PWR |
| Reactor supplier | Framatome |
| Cooling towers | 2 × Natural Draft |
| Cooling source | Meuse River |
| Power generation | |
| Units operational | 2 × 1560 MW |
| Make and model | Alstom |
| Units decommissioned | 1 × 320 MW |
| Nameplate capacity | 3120 MW |
| Capacity factor | 70.6% |
| Annual net output | 19,306 GW·h |
| External links | |
| Website | www |
| Commons | Related media on Commons |
The Chooz Nuclear Power Station (French: Centrale nucléaire de Chooz) lies in the municipality of Chooz in the Ardennes department, France, on the Meuse River in a panhandle protruding into Belgium, between the French city of Charleville-Mézières and the Belgian municipality of Dinant, near the comune of Givet.
Three nuclear reactors have been built on the site, Chooz A, Chooz B1 and Chooz B2. Chooz A was permanently shutdown in 1991 and has been undergoing the decommissioning process since 2007.
As of 2022, the plant employed around 1200 operators.[1]
The Chooz reactors were a source of neutrinos for the Chooz neutrino oscillation experiment; a new experiment, Double Chooz, was also operating nearby.
Chooz A
[edit]Chooz A was an early pressurized water reactor (PWR) design by Westinghouse, built and operated by French (EDF) and Belgian (SENA) grid operators. It was shut down in 1991 after an operational life of 22 years. The containment building of this unit was underground.
Decommissioning was authorised in 2007. After preliminary work, decommissioning of the reactor pressure vessel began in 2016. As of 2022, vessel’s internal equipment was being dismantled under water.[2]
Chooz B1 and B2
[edit]Two units of the N4 reactor design are in operation, Chooz B1 and Chooz B2. Designed for a net power output of 1450 MWe, power was uprated to 1500 MWe in 2003. This was the highest nameplate capacity for any reactor design worldwide until the Taishan Nuclear Power Plant in China began operation. The Taishan plant is an EPR design reactor with a net power output of greater than 1,600 MWe per reactor.
Events
[edit]In 1968, following a control rod blockage, technicians realised that screws in mechanical parts inside the Chooz A reactor vessel had failed, without, however, compromising the integrity of the vessel itself.[3][4]
On 2 February 2018, access to the power plant was temporarily restricted after traces of solvent containing chemical elements commonly identified in explosive detection tests were found on a delivery lorry. The driver was detained as a precaution, and bomb disposal experts were called to the site. Access was restored later the same day after specialists confirmed that there was no risk to the facility or its personnel.[5]
In 2018, ASN published an "incident report" detected in 2015 and 2016 concerning the Chooz and Civaux power plant, once repairs had been carried out.[6]
Reactors
[edit]| Unit | Type | Net power | Total power | Construction start | Construction finish | Commercial operation | Shut down |
|---|---|---|---|---|---|---|---|
| Chooz - A (Ardennes)[7] | PWR | 310 MW | 320 MW | 01/01/1962 | 03/04/1967 | 15/04/1967 | 30/10/1991 |
| Chooz - B 1[8] | PWR | 1500 MW | 1560 MW | 01/01/1984 | 30/08/1996 | 15/05/2000 | |
| Chooz - B 2[9] | PWR | 1500 MW | 1560 MW | 31/12/1985 | 10/04/1997 | 29/09/2000 |
References
[edit]- ^ "La centrale nucléaire de Chooz". Centrale nucléaire de Chooz | EDF France (in French). EDF. Retrieved August 3, 2022.
1 187 intervenants assurent au quotidien la production d'électricité.
- ^ "French regulator reviews Chooz A decommissioning". World Nuclear News. 31 May 2022. Retrieved 31 May 2022.
- ^ Durand-Souffland, Jean-Michel (June 23, 1980). "Le "monstre" de Chooz fait trembler deux pays" [The "monster" of Chooz makes two countries tremble]. Le Monde. Retrieved November 13, 2025.
- ^ "CORRESPONDANCE Le "monstre" nucléaire de Chooz : Accidents matériels et implications diplomatiques" [CORRESPONDENCE The "nuclear monster" of Chooz: Material accidents and diplomatic implications]. Le Monde. July 16, 1980. Retrieved November 13, 2025.
- ^ FM (February 2, 2018). "Ardennes. La centrale nucléaire de Chooz bloquée pendant deux heures et demie" [Ardennes: The Chooz nuclear power plant blocked for two and a half hours]. France 3 Régions (in French). France Info. Retrieved November 13, 2025.
- ^ Liffran, Hervé (2018-02-28). "Le gendarme de l'atome a perdu sa langue" [The nuclear watchdog has lost its voice]. Le Canard enchaîné (in French). p. 4.
- ^ "PRIS - Reactor Details". pris.iaea.org. Retrieved 2022-08-03.
- ^ "PRIS - Reactor Details". pris.iaea.org. Retrieved 2022-08-03.
- ^ "PRIS - Reactor Details". pris.iaea.org. Retrieved 2022-08-03.
External links
[edit]
- Chooz B, Nuclear Engineering International wall chart, February 1985
