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Nuclear Decommissioning

Nuclear Decommissioning

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Workers stand outside the Pickering nuclear plan at sunset.

​OPG is required by the Canadian Nuclear Safety Commission (CNSC) to have a Financial Guarantee in place to ensure it can cover the costs of the eventual decommissioning of its nuclear facilities. This Financial Guarantee is reviewed and revised regularly. In November 2017, following the public hearing held on Oct. 11, 2017, the CNSC accepted OPG’s proposed consolidated financial guarantee for the future decommissioning of its Class I facilities in Ontario. In August 2017, OPG submitted a request for acceptance letter to the CNSC prior to the expiration of the existing 2013-2017 Financial Guarantee on Dec. 31, 2017. The proposed guarantee covers the period between 2018-2022.

Preliminary Decommissioning plans (PDP) must also be in place. These plans describe the activities required to decommission OPG’s nuclear facilities and restore site locations so that the land may be used for other purposes. The PDPs for each of OPG’s nuclear sites show that decommissioning is feasible with existing technology and provide a basis for estimating the cost of decommissioning. The PDPs include schedules and cost estimates based on the latest planning assumptions available at the time.

The PDPs for all OPG-owned nuclear facilities can be found below.