Canadian Nuclear Safety Commission
The Canadian Nuclear Safety Commission (CNSC) regulates the use of nuclear energy and materials in Canada to protect health, safety, security and the environment.
Bouchard (Phoenix pay system) class action:
On April 15, 2025, the Superior Court of Quebec approved the Bouchard class action settlement agreement. Eligible class members have until October 24, 2025, to submit a claim for damages caused by the Phoenix pay system.
Notice: Inadvertent Posting of Protected Information and Required Actions
Read this Notice in relation to the CNSC Public Hearing on Ontario Power Generation Inc.’s application for a licence to construct one BWRX-300 reactor for its Darlington New Nuclear Project.
Services and information
Regulations, licensing and compliance
Acts and regulations, licensing and certification, and compliance guidelines
Nuclear reactors
Nuclear power plants, research facilities, small modular reactors and decommissioned sites
Commission activities
Scheduled proceedings, documents, decisions, and public participation information
Nuclear substances
Regulation of possession, use, transport and storage of nuclear materials in Canada
Waste
Regulation of nuclear waste in Canada and oversight of waste facility locations
Regulatory consultations
Provide input on proposed nuclear regulations and regulatory documents
Uranium
Uranium mines and mills, and uranium processing facilities in Canada
Protecting people and the environment
Environmental assessments and protection measures for nuclear facilities
Emergency management and nuclear security
Plans and programs for emergencies and for non-routine situations
About the CNSC
President
Features
Near Surface Disposal Facility
Proposed engineered facility at Chalk River for low-level radioactive waste disposal
Small Modular Reactors
Innovative reactors designed for flexible deployment in smaller grids and remote areas
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