Canada News Centre2026-08-24T13:01:49-04:00https://www.canada.ca/en/news.htmlhttps://www.canada.ca/etc/designs/canada/wet-boew/assets/wmms-blk.svghttps://www.canada.ca/en/nuclear-safety-commission/news/2026/08/commission-authorizes-increase-to-intermediate-reactor-power-levels-at-bruce-powers-bruce-a-and-b-nuclear-generating-stations.html

Today, the Canadian Nuclear Safety Commission announced the Commission’s decision to amend the licensing basis for the Bruce A and B Nuclear Generating Stations to increase intermediate power levels.

Canadian Nuclear Safety Commission2026-08-24T13:01:49-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2026/08/commission-amends-the-licensing-basis-for-bruce-powers-bruce-a-and-b-nuclear-generating-stations.html

Today, the Canadian Nuclear Safety Commission announced the Commission’s decision to amend the licensing basis for lutetium-177 production at the Bruce A and B Nuclear Generating Stations.

Canadian Nuclear Safety Commission2026-08-17T13:00:00-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2026/06/commission-renews-hydro-quebecs-power-reactor-decommissioning-licence-for-the-gentilly-2-facilities.html

Today, the Canadian Nuclear Safety Commission announced the Commission’s decision to renew Hydro-Québec’s power reactor decommissioning licence for its Gentilly-2 Facilities for a period of 20 years.

Canadian Nuclear Safety Commission2026-06-18T13:00:00-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2026/06/public-hearing-on-pickering-nuclear-generating-station-and-waste-management-facility.html

On June 23, the Canadian Nuclear Safety Commission (CNSC) will hold the first part of a 2-part public hearing to consider the application from Ontario Power Generation to refurbish Pickering Nuclear Generating Station and to renew licences for the Pickering Nuclear Generating Station and Waste Management Facility.

Canadian Nuclear Safety Commission2026-06-18T11:00:00-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2026/05/public-meeting-of-the-canadian-nuclear-safety-commission-on-bwxt-nuclear-energy-canada-mid-term-update.html

The Canadian Nuclear Safety Commission will hold a public meeting in Peterborough on May 27 and 28, 2026, to receive a mid-term update from BWXT Nuclear Energy Canada on licensed activities at its Toronto and Peterborough facilities. 

Canadian Nuclear Safety Commission2026-05-20T13:52:41-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2026/05/commission-renews-saskatchewan-research-councils-nuclear-substances-and-radiation-devices-licence-for-its-gunnar-historic-uranium-mine-and-mill-site.html

Today, the Canadian Nuclear Safety Commission announced the Commission’s decision to renew the Saskatchewan Research Council’s nuclear substances and radiation devices licence for the Gunnar historic uranium mine and mill site for a 5-year period.

Canadian Nuclear Safety Commission2026-05-20T11:55:07-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2026/03/commission-issues-a-site-preparation-and-construction-licence-to-nexgen-energy-ltd-for-its-rook-i-project.html

Backgrounder – Canadian Nuclear Safety Commission issues a site preparation and construction licence to NexGen Energy Ltd. for its Rook I Project

Canadian Nuclear Safety Commission2026-03-05T10:00:00-05:00https://www.canada.ca/en/nuclear-safety-commission/news/2026/03/commission-issues-a-licence-to-nexgen-energy-ltd-authorizing-site-preparation-and-construction-of-its-rook-i-project.html

Today, the Canadian Nuclear Safety Commission announced the Commission’s decision to issue a licence to NexGen Energy Ltd. to prepare a site for and construct its Rook I Project.

Canadian Nuclear Safety Commission2026-03-05T10:00:00-05:00https://www.canada.ca/en/nuclear-safety-commission/news/2026/02/commission-issues-a-site-preparation-and-construction-licence-to-denison-mines-corp-for-its-wheeler-river-project.html

Backgrounder – Canadian Nuclear Safety Commission issues a site preparation and construction licence to Denison Mines Corp. for its Wheeler River Project

Canadian Nuclear Safety Commission2026-02-19T10:00:00-05:00https://www.canada.ca/en/nuclear-safety-commission/news/2026/02/commission-issues-a-licence-to-denison-mines-corp-authorizing-site-preparation-and-construction-of-its-wheeler-river-project.html

Today, the Canadian Nuclear Safety Commission announced the Commission’s decision to issue a licence to Denison Mines Corp. to prepare a site for and construct its Wheeler River Project.

Canadian Nuclear Safety Commission2026-02-19T10:00:00-05:00https://www.canada.ca/en/nuclear-safety-commission/news/2026/02/public-hearing-on-rook-i-uranium-mine-and-mill-project-in-northern-saskatchewan.html

From February 9 to 12 the Canadian Nuclear Safety Commission will hold the second part of a 2-part public hearing to consider NexGen Energy Limited's proposed Rook I uranium mine and mill project, which would be located in northern Saskatchewan.

Canadian Nuclear Safety Commission2026-02-02T15:56:48-05:00https://www.canada.ca/en/nuclear-safety-commission/news/2025/12/public-hearing-on-wheeler-river-mine-and-mill-project-in-northern-saskatchewan.html

From December 8 to 11 2025, the Canadian Nuclear Safety Commission will hold the second part of a public hearing to consider the Wheeler River mine and mill project proposed by Denison Mines Corporation. The proposed project would be located in northern Saskatchewan.

Canadian Nuclear Safety Commission2025-12-01T15:19:30-05:00https://www.canada.ca/en/nuclear-safety-commission/news/2025/09/commission-renews-ontario-power-generation-incs-power-reactor-operating-licence-for-its-darlington-nuclear-generating-station.html

Today, the Canadian Nuclear Safety Commission announced the independent Commission’s decision to renew Ontario Power Generation Inc.’s power reactor operating licence for its Darlington Nuclear Generating Station for a period of 20 years.

Canadian Nuclear Safety Commission2025-09-25T14:00:11-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2025/09/commission-renews-nordion-canada-incs-class-ib-nuclear-substance-processing-facility-licence-for-a-period-of-25-years.html

Today, the Canadian Nuclear Safety Commission announced the Commission’s decision to renew the Class IB nuclear substance processing facility operating licence issued to Nordion (Canada) Inc. (Nordion) for a period of 25 years.

Canadian Nuclear Safety Commission2025-09-02T13:00:26-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2025/08/keynote-address-by-president-pierre-tremblay-at-the-28th-international-conference-on-structural-mechanics-in-reactor-technology.html

On August 11, 2025, Pierre Tremblay, CNSC President and CEO, delivered a keynote address at the 28th International Conference on Structural Mechanics in Reactor Technology.

Canadian Nuclear Safety Commission2025-08-12T10:19:06-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2025/07/commission-authorizes-ontario-power-generation-to-construct-and-operate-the-pickering-component-storage-structure-at-pickering-waste-management-fac.html

Today, the Canadian Nuclear Safety Commission announced the Commission’s decision to authorize Ontario Power Generation to construct and operate the Pickering Component Storage Structure at the Pickering Waste Management Facility.

Canadian Nuclear Safety Commission2025-07-28T15:30:48-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2025/05/nuclear-generating-station-to-authorize-the-production-of-lutetium-177-and-yttrium-90.html

Today, the Canadian Nuclear Safety Commission announced the Commission’s decision to amend Ontario Power Generation’s power reactor operating licence for the Darlington Nuclear Generating Station to authorize the production of lutetium-177 and yttrium-90.

Canadian Nuclear Safety Commission2025-05-26T13:00:00-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2025/05/commission-releases-the-final-set-of-decommissioned-beaverlodge-properties-from-licensing-and-revokes-cameco-corporations-beaverlodge-waste-facilit.html

Today, the Canadian Nuclear Safety Commission announced the Commission’s decision to release the final set of 27 decommissioned Beaverlodge properties from licensing under the Nuclear Safety and Control Act, and to revoke the waste facility operating licence held by Cameco Corporation for the decommissioned Beaverlodge mine and mill site.

Canadian Nuclear Safety Commission2025-05-21T10:00:29-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2025/05/keynote-address-by-president-pierre-tremblay-at-the-2025-canadian-nuclear-association-conference.html

On April 17, 2025, Pierre Tremblay, CNSC President and CEO, delivered a keynote address at the Canadian Nuclear Association annual conference and tradeshow.

Canadian Nuclear Safety Commission2025-05-05T10:33:29-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2025/04/decision-by-the-commission-to-authorize-ontario-power-generation-inc-to-construct-1-bwrx-300-reactor-at-the-darlington-new-nuclear-project-site.html

Decision by the Commission to authorize Ontario Power Generation Inc. to construct 1 BWRX-300 reactor at the Darlington New Nuclear Project site

Canadian Nuclear Safety Commission2025-04-04T11:13:32-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2025/04/commission-authorizes-ontario-power-generation-inc-to-construct-1-bwrx-300-reactor-at-the-darlington-new-nuclear-project-site.html

Today, the Canadian Nuclear Safety Commission (CNSC) announced the Commission’s decision to issue a power reactor construction licence to Ontario Power Generation Inc. (OPG) to construct 1 General Electric Hitachi BWRX-300 reactor at its Darlington New Nuclear Project (DNNP) site in Clarington, Ontario.

Canadian Nuclear Safety Commission2025-04-04T11:13:23-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2025/03/canadian-nuclear-safety-commission-announces-decisions-on-regulatory-orders-issued-to-best-theratronics-ltd.html

Today, the Canadian Nuclear Safety Commission (CNSC) announced the decisions on the reviews of 2 orders issued to Best Theratronics Ltd. in response to regulatory non-compliance at its medical device manufacturing facility in Ottawa, Ontario.

Canadian Nuclear Safety Commission2025-03-05T15:57:12-05:00https://www.canada.ca/en/nuclear-safety-commission/news/2024/12/commission-renews-canadian-nuclear-laboratories-ltds-decommissioning-licence-for-whiteshell-laboratories.html

Today, the Canadian Nuclear Safety Commission announced the Commission’s decision to renew the decommissioning licence held by Canadian Nuclear Laboratories Ltd. for a 3-year period for its Whiteshell Laboratories site.

Canadian Nuclear Safety Commission2024-12-16T10:56:54-05:00https://www.canada.ca/en/nuclear-safety-commission/news/2024/11/federal-court-of-appeal-upholds-federal-court-ruling-on-regdoc-224-fitness-for-duty-volume-ii-managing-drug-and-alcohol-use.html

The Federal Court of Appeal has upheld a Federal Court ruling on the validity of pre-placement and random alcohol and drug testing requirements imposed by Volume II, for workers holding safety-critical positions at high-security nuclear facilities.  

Canadian Nuclear Safety Commission2024-11-08T17:06:46-05:00https://www.canada.ca/en/nuclear-safety-commission/news/2024/10/keynote--2024-nuclear-law-school.html

On October 25, 2024, Pierre Tremblay, CNSC President and CEO, delivered the keynote address at the Canadian Nuclear Law Organization’s Nuclear Law School 2024, held in Toronto, Ontario. In his remarks, he spoke about areas of focus for the CNSC and the important function the CNSC’s Legal Services team plays in supporting Canada’s nuclear regulator.  

Canadian Nuclear Safety Commission2024-10-31T10:01:34-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2024/10/commission-authorizes-ontario-power-generation-inc-to-operate-pickering-nuclear-generating-station-units-5-to-8-until-december-31-2026.html

Today, the Canadian Nuclear Safety Commission announced the independent Commission’s decision to amend the licence held by Ontario Power Generation Inc. (OPG) for the Pickering Nuclear Generating Station (PNGS). This decision authorizes OPG to operate Units 5–8 at the PNGS until December 31, 2026.

Canadian Nuclear Safety Commission2024-10-11T12:54:48-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2024/10/keynote-address-by-pierre-tremblay-president-and-ceo-of-cnsc-at-the-5th-international-conference-on-generation-iv-and-small-reactors.html

CNSC President and CEO Pierre Tremblay delivered a keynote address at the 5th International Conference on Generation IV and Small Reactors.

Canadian Nuclear Safety Commission2024-10-03T11:21:28-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2024/08/commission-amends-the-licensing-basis-for-ontario-power-generations-pickering-waste-management-facility.html

Today, the Canadian Nuclear Safety Commission (CNSC) announced the Commission’s decision to amend the licensing basis for the Pickering Waste Management Facility to authorize Ontario Power Generation to process and store a maximum of 100 dry storage containers containing used fuel that has been cooled in wet storage at the Pickering Nuclear Generating Station for a minimum of 6 years.

Canadian Nuclear Safety Commission2024-08-06T15:26:57-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2024/06/pierre-tremblay-appointed-as-president-of-the-canadian-nuclear-safety-commission.html

The Canadian Nuclear Safety Commission (CNSC) today announced that Pierre Tremblay has been appointed President for a 5-year term effective August 12, 2024.

Canadian Nuclear Safety Commission2024-06-26T16:19:57-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2024/06/commission-renews-mcmaster-universitys-licence-for-the-mcmaster-nuclear-reactor.html

Today, the Canadian Nuclear Safety Commission announced the Commission’s decision to renew McMaster University’s licence for its McMaster Nuclear Reactor for a 20-year period.

Canadian Nuclear Safety Commission2024-06-12T15:04:22-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2024/06/commission-amends-ontario-power-generations-operating-licence-for-the-darlington-nuclear-generating-station-to-authorize-the-production-of-cobalt-60.html

Today, the Canadian Nuclear Safety Commission announced the Commission’s decision to amend Ontario Power Generation’s power reactor operating licence for the Darlington Nuclear Generating Station to authorize the production of the cobalt-60 radioisotope.

Canadian Nuclear Safety Commission2024-06-07T13:28:50-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2024/05/indigenous-girls-in-stem-the-canadian-nuclear-safety-commission-partners-a-workshop-in-saskatoon.html

The Canadian Nuclear Safety Commission (CNSC) is proud to announce its second annual Science, Technology, Engineering and Math (STEM) Workshop for Indigenous Girls, which is taking place in Saskatoon, Saskatchewan, from May 13 to 16.

Canadian Nuclear Safety Commission2024-05-13T16:45:47-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2024/04/decision-by-the-independent-commission-on-the-applicability-of-the-environmental-assessment-for-the-darlington-new-nuclear-project-to-ontario-power.html

Backgrounder: Decision by the independent Commission on the applicability of the environmental assessment for the Darlington New Nuclear Project to Ontario Power Generation’s selected reactor technology

Canadian Nuclear Safety Commission2024-04-22T13:00:33-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2024/04/independent-commission-determines-environmental-assessment-for-ontario-power-generations-darlington-new-nuclear-project-is-applicable-to-the-select.html

Today, the Canadian Nuclear Safety Commission (CNSC) announced the Commission’s decision that the existing environmental assessment (EA) for the Darlington New Nuclear Project (DNNP) is applicable to the reactor technology selected by Ontario Power Generation (OPG), the General Electric Hitachi BWRX300 reactor.

Canadian Nuclear Safety Commission2024-04-22T13:00:16-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2024/03/speech-by-ramzi-jammal-to-the-contracting-parties-to-the-joint-convention-on-the-safety-of-spent-fuel-management-and-on-the-safety-of-radioactive-w.html

Esteemed colleagues, Mr. Chair, it is my honour to stand before you today as your candidate for President of the Eighth Review Meeting of the Contracting Parties to the Joint Convention on the Safety of Spent Fuel Management and on the Safety of Radioactive Waste Management. I am ready for the opportunity to serve and contribute to the global mission of ensuring the safe management of spent fuel and radioactive waste.

Canadian Nuclear Safety Commission2024-03-28T11:49:47-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2024/01/nuclear-safety-in-canada-decision-by-the-independent-commission-on-the-near-surface-disposal-facility-project.html

Backgrounder: Nuclear safety in Canada: Decision by the independent Commission on the Near Surface Disposal Facility Project

Canadian Nuclear Safety Commission2024-01-09T14:11:39-05:00https://www.canada.ca/en/nuclear-safety-commission/news/2024/01/independent-commission-authorizes-canadian-nuclear-laboratories-to-construct-a-near-surface-disposal-facility.html

Today, the Canadian Nuclear Safety Commission (CNSC) announced the Commission’s decision to amend the nuclear research and test establishment operating licence held by Canadian Nuclear Laboratories (CNL) for Chalk River Laboratories. The amendment authorizes the construction of a near surface disposal facility (NSDF) on the Chalk River Laboratories site.

Canadian Nuclear Safety Commission2024-01-09T14:11:21-05:00https://www.canada.ca/en/nuclear-safety-commission/news/2023/12/canadas-nuclear-regulator-announces-funding-to-support-relationship-building-with-indigenous-nations-and-communities.html

Today, the Canadian Nuclear Safety Commission (CNSC) announced that it is awarding nearly $4 million to 19 Indigenous Nations and communities over 2 years through the new Indigenous and Stakeholder Capacity Fund (ISCF). The ISCF serves to increase recipients’ capacity to better engage and participate in the CNSC’s full lifecycle of regulatory processes, programs and initiatives.

Canadian Nuclear Safety Commission2023-12-11T11:17:00-05:00https://www.canada.ca/en/nuclear-safety-commission/news/2023/10/commission-renews-cameco-corporations-licences-for-the-key-lake-operation-mcarthur-river-operation-and-rabbit-lake-operation.html

Today, the Canadian Nuclear Safety Commission announced the Commission’s decision to renew the mine and/or mill operating licences held by Cameco Corporation for its Key Lake, McArthur River and Rabbit Lake Operations.

Canadian Nuclear Safety Commission2023-10-25T13:03:47-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2023/10/commission-amends-bruce-powers-operating-licence-for-bruce-nuclear-generating-stations-a-and-b-with-respect-to-fitness-for-service-requirements-for.html

Today, the Canadian Nuclear Safety Commission announced the Commission’s decision to amend Bruce Power’s power reactor operating licence for Bruce Nuclear Generating Stations A and B, with respect to fitness-for-service requirements for pressure tubes.

Canadian Nuclear Safety Commission2023-10-16T14:56:17-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2023/08/rumina-velshi-president--ceo-canadian-nuclear-safety-commission-event-name-5th-canadian-conference-on-nuclear-waste-management-decommissioning-and-.html

Thank you so much – and good afternoon, everyone. I appreciate the opportunity to join you here today – and I am very much looking forward to the panel discussion we’ll be having a short time from now with Kim and Terry.

Canadian Nuclear Safety Commission2023-08-30T15:42:36-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2023/08/cnsc-and-the-state-nuclear-regulatory-inspectorate-of-ukraine-enhance-cooperation.html

CNSC President Rumina Velshi recently travelled to Ukraine and Poland. While in Kyiv, she met with Oleh Korikov, Acting Chairman and Chief Inspector on Nuclear and Radiation Safety of the State Nuclear Regulatory Inspectorate of Ukraine (SNRIU). Together, they signed a memorandum of understanding between the CNSC and the SNRIU.

Canadian Nuclear Safety Commission2023-08-21T09:50:35-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2023/07/remarks-by-rumina-velshi-at-the-world-nuclear-university-summer-institute-2023.html

On July 27, 2023, Rumina Velshi, CNSC President and CEO, delivered an address to the graduating class of the World Nuclear University Summer Institute in Osaka, Japan. Her remarks highlighted the elements of leadership that will serve future leaders as the nuclear industry undergoes new changes and challenges.

Canadian Nuclear Safety Commission2023-07-27T07:29:49-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2023/06/speaking-points-from-rumina-velshi-president-and-ceo-of-cnsc-10th-meeting-of-the-nea-task-group-improving-gender-balance-in-the-nuclear-sector-nea-.html

When we empower women, when we embrace diversity and inclusion, we broaden our collective horizon.

Canadian Nuclear Safety Commission2023-06-29T11:28:31-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2023/06/commission-renews-the-royal-military-college-of-canadas-slowpoke-2-reactor-operating-licence-for-a-20-year-period.html

Today, the Canadian Nuclear Safety Commission (CNSC) announced the Commission’s decision to renew the non-power reactor operating licence held by the Royal Military College of Canada (RMC) for its SLOWPOKE-2 reactor for a period of 20 years.

Canadian Nuclear Safety Commission2023-06-23T13:15:03-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2023/06/commission-renews-ecole-polytechnique-de-montreals-slowpoke-2-reactor-operating-licence-for-a-10-year-period.html

Today, the Canadian Nuclear Safety Commission (CNSC) announced the Commission’s decision to renew the non-power reactor operating licence held by École Polytechnique de Montréal for its SLOWPOKE-2 reactor for a period of 10 years.

Canadian Nuclear Safety Commission2023-06-23T13:13:53-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2023/06/cnsc-statement-on-the-federal-court-decision-to-uphold-pre-placement-and-random-alcohol-and-drug-testing-of-workers-in-safety-critical-positions-at.html

The Canadian Nuclear Safety Commission (CNSC) is pleased to confirm that on June 6, 2023, the Federal Court endorsed the Commission’s move to require pre-placement and random alcohol and drug testing of workers in safety-critical positions at high-security nuclear facilities, as mandated by CNSC regulatory document REGDOC-2.2.4, Fitness for Duty, Volume II: Managing Alcohol and Drug Use.

Canadian Nuclear Safety Commission2023-06-07T15:25:05-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2023/05/international-nuclear-regulators-association-statement-on-the-conflict-in-ukraine.html

The International Nuclear Regulators’ Association, which includes the national nuclear regulators from Canada, France, Germany, Japan, the Republic of Korea, Spain, Sweden, the United Kingdom and the United States, issued a statement about the ongoing conflict in Ukraine and the potential serious impacts on the safety and security of its nuclear power plants and facilities.

Canadian Nuclear Safety Commission2023-05-31T13:52:32-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2023/05/the-international-nuclear-regulators-association-inrastatement-on-small-modular-reactors-and-international-collaboration.html

Following its 51st meeting, members of the International Nuclear Regulators’ Association released a statement in support of a collaborative approach for the regulatory assessment of small modular reactor technologies.

Canadian Nuclear Safety Commission2023-05-24T17:43:35-04:00https://www.canada.ca/en/nuclear-safety-commission/news/2023/05/commission-renews-cameco-corporations-licence-for-the-decommissioned-beaverlodge-project-for-a-2-year-period.html

Today, the Canadian Nuclear Safety Commission (CNSC) announced the Commission’s decision to renew the waste facility operating licence held by Cameco Corporation (Cameco) for the decommissioned Beaverlodge mine and mill site for 2 years.

Canadian Nuclear Safety Commission2023-05-16T12:50:36-04:00