Document: NRC Regulatory Guide
Document ID: 94d9f3d5-978d-4aea-9ba7-486ca7f8503a
Document Type: regulatory_guide
Title: Standard Format and Content of Decommissioning Cost Estimates for Nuclear Power Reactors
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML0131/ML013100099.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.202
CFR Part: 
CFR Title: 

Content:
ified (e.g., that in soil, groundwater, or surface water). ! A preliminary schedule that shows the major decommissioning phases and the time period over which each of the phases extends. Typical major decommissioning phases were described in the Discussion section of this guide. ! A summary of the total estimated decommissioning costs by decommissioning activity. The summary should include the anticipated cost of low level waste (LLW) disposal. A suggested format for providing this information is presented in Table 1. ! A comparison of the estimated cost with the minimum decommissioning fund requirement derived per the algorithm discussed in Regulatory Position 2.1. ! A discussion of the plans for adjusting the level of funds in the trust to demonstrate that funds will be available for use when needed should be included if the decommissioning trust is not fully funded. 2. ESTIMATE OF EXPECTED COSTS IN THE PSDAR Prior to or within two years following permanent cessation of operations, the licensee is required by 10 CFR 50.82(a)(4)(i) to submit a PSDAR to the NRC. In addition to other prescribed content, this report must include an estimate of costs. Regulatory Guide 1.185 (Ref. 2) identifies the type of information to be contained in the PSDAR. The cost estimate may be: (1) the amount of decommissioning funds estimated to be required by 10 CFR 50.75(b) and (c) as currently reported on a calendar-year basis at least once every two years to the NRC according to 10 CFR 50.75(f)(1), (2) a site-specific cost estimate, (3) an estimate based on actual costs at similar facilities that have undergone similar decommissioning activities, or (4) a generic cost estimate. 8 Other related but nondecommissioning costs (e.g., spent fuel storage, site restoration) may be included in the estimate of costs if desired; however, the cost of radiological decommissioning (as decommissioning is defined by 10 CFR 50.2) should be listed separately. As a separate item, the cost of placing and