Gentilly-1 Waste Facility
The Gentilly-1 Nuclear Generating Station (G-1) was the site of a 250 MW(e) CANDU prototype reactor, which was put into service in 1972. The reactor operated intermittently until 1978 for a total of 183 effective full-power days. In 1984, the decision was made to permanently shut down the reactor.
In 1986, after a two-year program, G-1 was brought to a safe shutdown state and was relicensed by the CNSC as the Gentilly-1 Waste Management Facility. The facility is currently in a long-term storage state with ongoing monitoring referred to as storage with surveillance.
In 2014, the CNSC issued a 20-year waste facility decommissioning licence for prototype waste facilities, which included G-1. In 2019, the G-1 Waste Management Facility was relicensed as the G-1 Waste Facility. The facility is currently owned by Atomic Energy of Canada Ltd. and operated by Canadian Nuclear Laboratories (CNL) Ltd.
| Location: | The G-1 Waste Facility is located on the Hydro-Québec Gentilly-2 Nuclear Generating Station site near Bécancour, Quebec, on the south shore of the St. Lawrence River. |
|---|---|
| Licensee: | Canadian Nuclear Laboratories Ltd. |
| Status: | Storage with surveillance |
| Licence expires: | December 31, 2034 |
Latest news
Latest facility-specific updates
- February 8, 2019: Record of Decision - Canadian Nuclear Laboratories - Application to Separate the Waste Facility Decommissioning Licence for Douglas Point, Gentilly-1 and Nuclear Power Demonstration into Three Licences
- October 22, 2014: Record of Proceedings - Atomic Energy of Canada Limited - Request for Five Licence Transfers to, and Request for Two Specific Exemptions for, Canadian Nuclear Laboratories Limited
- July 16, 2014: Record of Proceedings - Atomic Energy of Canada Limited - Application to Replace the AECL Prototype Waste Management Facility Licences
Disclosure protocol
As part of the CNSC’s regulatory requirements, major licensees must have robust public information and disclosure programs in place. View CNL’s Public Information Program.
Protecting Canadians and the environment
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
- Federal, provincial and municipal monitoring programs: List of monitoring programs managed by other levels of government
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.
- CNSC health studies on Canadian nuclear facilities: Relevant health studies of nuclear reactors regulated by the CNSC
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