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Chapter 5 - State Regulation of Decommissioning Costs

Peter M. Strauss and James Kelsey

Year: 1991
Volume: Volume 12
Number: Special Issue
DOI: 10.5547/ISSN0195-6574-EJ-Vol12-NoSI-5
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Abstract:
Even though the NRC has jurisdiction over setting regulations governing financial assurance for decommissioning, the states have the specific responsibility of setting rates for fund accumulation. Each state must include many factors in determining the appropriateness of the rate requests from the utility companies under this jurisdiction, including plant size, date of decommissioning, and configuration of the nuclear component (single or multiple units). It also must decide on proper contingency factors, estimation methodology, the likelihood of early retirement, and whether fund accumulations will include amounts for the removal of nonradioactive components and site restoration. In this chapter the authors discuss the results of their survey of how 37 state utility commissions treat these factors.



Chapter 7 - The Cost of Decommissioning U.S. Reactors: Estimates and Experience

Gene R. Heinze Fry

Year: 1991
Volume: Volume 12
Number: Special Issue
DOI: 10.5547/ISSN0195-6574-EJ-Vol12-NoSI-7
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Abstract:
Decommissioning is in its infancy, but our cost experience includes several dozen small, experimental reactors plus the 72 MWe Shippingport reactor. Decommissioning is only beginning at large reactors, but the insights already accumulated allow some use of this experience in future estimates. In this chapter, Gene Heinze Fry compares generic cost estimates plus the data for a total of 21 closed U.S. reactors. Despite the common assumption about the efficiencies that will come with more decommissioning experience, Fry finds a complete lack of scale economies. This could have implications for rates of collection, sufficiency of accumulated funds, and equity issues tied to future generations.



Chapter 11 - Generic Approaches to Estimating U.S. Decommissioning Costs

Richard I. Smith

Year: 1991
Volume: Volume 12
Number: Special Issue
DOI: 10.5547/ISSN0195-6574-EJ-Vol12-NoSI-11
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Abstract:
The estimation of decommissioning costs has certain common features, regardless of country or state. In the U.S., the NRC has taken this into account as they worked on the development of generic estimates. The author of this chapter, Richard Smith, has been at the center of this effort for more than a decade. In this chapter, he summarizes three principal methods that have been used in cost estimates in lite U.S.: the linear extrapolation approach, the unit cost factor approach, and the detailed engineering approach which he helped to develop at Pacific Northwest Laboratory in Washington state.





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