Nuclear Facility – Gentilly-2
The Gentilly-2 Facilities are located on the south shore of the St. Lawrence River in Bécancour, Quebec, around 15 km east of the city of Trois-Rivières, and are owned and operated by Hydro-Québec.
The Gentilly-2 CANDU reactor was permanently shut down on December 28, 2012, and was completely defuelled by September 3, 2013. In December 2014, the reactor completed the transition to a safe storage state, meaning that its fuel was stored in used fuel pools (wet storage) or in CANSTOR modules (dry storage). In December 2020, the transfer of all irradiated fuel to dry storage CANSTOR modules was completed.
Photo courtesy of Hydro-Quebec
|CANDU (CANada Deuterium Uranium)
|Atomic Energy of Canada Limited
|Number of units:
|Licence issued (decommissioning):
|July 1, 2016
|June 30, 2026
|Start of operation:
|October 1, 1983
|End of operation:
|December 28, 2012
|Request a copy of the Gentilly-2 licence and licence condition handbook by email
The Commission is an independent administrative tribunal set up at arm’s length from government, without ties to the nuclear industry. Use the links below to find documents related to Commission meetings or hearings.
- September 14, 2017: Record of Decision on the proposed financial guarantee for Hydro-Québec’s Gentilly-2 nuclear facility and radioactive waste management facilities
- June 22, 2016: Record of Decision to issue a power reactor decommissioning licence to Hydro-Québec for the Gentilly-2 facility
The CNSC posts regulatory enforcement actions taken to protect the health, safety and security of Canadians and the environment. Use the links below to find out more about any orders or penalties that have been placed on this licensee, if any.
- No regulatory actions
Licensees must report events and incidents involving licensed activities that could impact the health, safety and security of Canadians and the environment to the CNSC. Use the links below to find any information provided by this licensee, if any, as well as other public disclosures made by licensees.
- No recent disclosures
Protecting Canadians and the environment
The CNSC uses information provided by licensees to create our own reports assessing the environmental effects of nuclear facilities or licensed activities.
- Environmental Monitoring: Independent environmental monitoring results collected by the CNSC
- Environmental risk assessment: Email firstname.lastname@example.org to request a copy
- Federal, provincial and municipal monitoring programs: List of monitoring programs managed by other levels of government
- Radionuclide releases: Nuclear Power Plants dataset in the Open Government catalogue for information on releases from this facility
Health and safety
The CNSC oversees licensee emergency planning and works with other levels of government to ensure the health and safety of Canadians. We also conduct and review health studies on various areas associated with the production, possession or use of nuclear substances.
- May 26, 2016: Organisation régionale de la sécurité civile de la Mauricie’s decision to discontinue the external nuclear emergency response plan at Gentilly-2 and cease distribution of KI pills. (available in French only)
- CNSC health studies on Canadian nuclear facilities: Relevant health studies of nuclear reactors regulated by the CNSC
- Date modified: