GO2-23-038, Plant Decommissioning Fund Status Report

Plant Decommissioning Fund Status Report

ML23074A202
Person / Time
Site:	Columbia
Issue date:	03/15/2023
From:	Ronnie Garcia Energy Northwest
To:	Office of Nuclear Reactor Regulation, Document Control Desk
References
GO2-23-038
Download: ML23074A202 (1)

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Richard M. Garcia ENERGY Columbia Generating Station P.O. Box 968, PE20 NORTHWEST Richland, WA 99352-0968 Ph. 509-377-8463 rmgarcia@energy-northwest.com

March 15, 2023 GO2-23-038 10 CFR 50.75(f)(1)

U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001

Subject:

COLUMBIA GENERATING STATION, DOCKET NO. 50-397 PLANT DECOMMISSIONING FUND STATUS REPORT

Dear Sir or Madam:

In accordance with the requirements of 10 CFR 50.75(f)(1), Energy Northwest hereby reports the status of the Columbia Generating Station decommissioning funding:

x 2022 Estimated Radiological Decommissioning Cost: $622.2 Million x After-Tax Fund Balance as of December 31, 2022: $376.1 Million x Decommissioning Funding Schedule: included as the Attachment x Assumed Cost Escalation Rate: 4% I year x Assumed Interest Rate: 6% I year x 10 CFR 50.75(e)(1)(v) Customer Contracts: Not Applicable x Changes in Financial Assurance Method: None x Material Changes to Trust Agreement: None.

The following conditions are reflected in the 2022 Estimated Radiological Decommissioning Cost:

x The value for the estimated radiological decommissioning cost of $622.2 Million does not include state costs or Independent Spent Fuel Storage Installation (ISFSI) decommissioning costs. Decommissioning costs for the ISFSI are submitted separately in conformance with 10 CFR 72.30 requirements.

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GO2-23-038 Page 2 of 2

There are no commitments being made to the Nuclear Regulatory Commission by this letter. Should you have any questions or require additional information pertaining to this report, please contact me at (509) 377-8463.

Executed on the ______ day of __________________, 2023. !

Respectfully,

RM Garcia Acting Manager, Regulatory Affairs

Attachment:

Columbia Generating Station - Decommissioning Funding Schedule

cc: NRC Region IV Administrator NRC NRR Project Manager NRC Sr. Resident Inspector - 988C C.D. Sonoda - BPA/1399

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GO2-23-038 Attachment Page 1 of 1

Columbia Generating Station - Decommissioning Funding Schedule

Decommissioning

Payments Fiscal Year* Payment Interest Earned From Account Sub-Account Balance FY 2023 $ 4,376,684 $ 22,265,593 $ - $ 397,735,496 FY 2024 $ 4,551,751 $ 23,864,130 $ - $ 426,151,377 FY 2025 $ 4,733,821 $ 25,569,083 $ - $ 456,454,281 FY 2026 $ 4,923,174 $ 27,387,257 $ - $ 488,764,711 FY 2027 $ 5,120,101 $ 29,325,883 $ - $ 523,210,695 FY 2028 $ 5,324,905 $ 31,392,642 $ - $ 559,928,242 FY 2029 $ 5,537,901 $ 33,595,695 $ - $ 599,061,837 FY 2030 $ 5,759,417 $ 35,943,710 $ - $ 640,764,964 FY 2031 $ 5,989,794 $ 38,445,898 $ - $ 685,200,656 FY 2032 $ 6,229,386 $ 41,112,039 $ - $ 732,542,082 FY 2033 $ 6,478,561 $ 43,952,525 $ - $ 782,973,168 FY 2034 $ 6,737,704 $ 46,978,390 $ - $ 836,689,262 FY 2035 $ 7,007,212 $ 50,201,356 $ - $ 893,897,829 FY 2036 $ 7,287,500 $ 53,633,870 $ - $ 954,819,199 FY 2037 $ 7,579,000 $ 57,289,152 $ - $ 1,019,687,351 FY 2038 $ 7,882,160 $ 61,181,241 $ - $ 1,088,750,752 FY 2039 $ 8,197,447 $ 65,325,045 $ - $ 1,162,273,244 FY 2040 $ 8,525,345 $ 69,736,395 $ - $ 1,240,534,984 FY 2041 $ 8,866,358 $ 74,432,099 $ - $ 1,323,833,441 FY 2042 $ 9,221,013 $ 79,430,006 $ - $ 1,412,484,460 FY 2043 $ 9,589,853 $ 84,749,068 $ - $ 1,506,823,381 FY 2044 $ 9,973,447 $ 90,409,403 $ - $ 1,607,206,231

• Energy Northwest's Fiscal Year Ends June 30