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Contact the Canadian Nuclear Safety Commission

The CNSC is here to help. We’re ready to assist you, whether you need information about our regulatory activities, have an inquiry or need support. Reach out using the following contact methods.

Contact us

Contact us

You can reach us using the following methods if you have a question or need assistance.

General inquiries

Canadian Nuclear Safety Commission
280 Slater St
PO Box 1046 Stn B
Ottawa ON  K1P 5S9

Email: cnsc.info.ccsn@cnsc-ccsn.gc.ca
Telephone: 613-947-7516 or 1-800-668-5284
(toll-free in Canada and the U.S.)
Fax: 613-995-5086

Emergency contact

Report an emergency involving a nuclear facility or radioactive materials.

Call the CNSC Duty Officer anytime:

  • 1-844-879-0805
  • 613-995-0479

Participant Funding Program

Submit an application to the Participant Funding Program.

Email: pfp@cnsc-ccsn.gc.ca
Telephone: 613-415-2814

Indigenous and Stakeholder Capacity Fund

Submit an application to the Indigenous and Stakeholder Capacity Fund.

Email: iscf-fscpia@cnsc-ccsn.gc.ca
Telephone: 613-809-1246

Access to information and privacy (ATIP)

Make an ATIP request to access information from the CNSC.

Email: atip-aiprp@cnsc-ccsn.gc.ca
Telephone: 613-296-5403

CNSC Library (Ottawa)

Contact our library to book an appointment. Let us know in advance if you need specific materials.

Email: library-bibliotheque@cnsc-ccsn.gc.ca
Telephone: 343-598-5783

Media inquiries

Contact our communications team for media-related inquiries.

Email: media@cnsc-ccsn.gc.ca
Telephone: 613-996-6860

Proceeding requests

Commission inquiries

Request an opportunity to be heard before the Commission, obtain copies of Commission documents or ask questions about upcoming proceedings using the following methods.

Commission Registry

Email: interventions@cnsc-ccsn.gc.ca
Telephone: 343-542-8587

Licensing and certification

Licensing and certification

Contact us to submit reports, request licences or ask about licensing and certification.

Annual compliance report filing

File an annual compliance report for nuclear substances, radiation devices, and Class II equipment and facilities.

Email: acr-rac@cnsc-ccsn.gc.ca

Exporting and importing

Request an export or import licence for nuclear substances.

Email: export-import@cnsc-ccsn.gc.ca

Exposure device operator certification

Request information about exposure device operator certification.

Email: edo-oae@cnsc-ccsn.gc.ca
Telephone: 613-991-3054

Nuclear substances and radiation devices

Inquire about a CNSC licence for nuclear substances and radiation devices.

Email: licence-permis@cnsc-ccsn.gc.ca
Telephone: 1-888-229-2672
(toll-free in Canada and the U.S.)

Regional offices

Regional offices

The Canadian Nuclear Safety Commission has regional offices across Canada.

Western Regional Office

Canadian Nuclear Safety Commission
670-220 4th Ave SE
Calgary AB  T2G 4X3

Telephone: 403-292-5181
Fax: 403-292-6985

Saskatoon Regional Office

Canadian Nuclear Safety Commission
520-101 22nd St E
Saskatoon SK  S7K 0E1

Telephone: 306-975-6372

Southern Ontario Regional Office

Canadian Nuclear Safety Commission
1075-5800 Hurontario St
Mississauga ON  L5R 4B9

Telephone: 905-803-5316
Fax: 905-803-5173

Eastern Regional Office

Canadian Nuclear Safety Commission
221-1575 Chomedey Blvd
Laval QC  H7V 2X2

Telephone: 450-973-5766
Fax: 450-973-5779

Nuclear power plant offices

Site offices of nuclear power plants

The Canadian Nuclear Safety Commission has offices at nuclear power plants across the country.

Bruce Nuclear Generating Station

CNSC site office

177 Tie Rd – B10 4W
Tiverton ON  N0G 2T0

Telephone: 613-325-3729

CNL Chalk River Laboratories

CNSC site office

Building 700C 286 Plant Rd
Chalk River ON  K0J 1J0

Telephone: 343-544-5416
Fax: 613-584-9077

Darlington Nuclear Generating Station

CNSC site office

1 Holt Rd S
Bowmanville ON  L1C 3Z8

Telephone: 905-697-7430

Pickering Nuclear Generating Station

CNSC site office

1675 Montgomery Park Rd
Gate 1 Admin Building
Pickering ON  L1V 2R5

Telephone: 905-831-8195
Fax: 905-831-9849

Point Lepreau Generating Station

CNSC site office

PO Box 600
Lepreau NB  E5J 2S6

Telephone: 506-659-7171

Other services

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