RA-21-0037, Duke Energy - Biennial Decommissioning Financial Assurance Reports

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Duke Energy - Biennial Decommissioning Financial Assurance Reports
ML21089A269
Person / Time
Site: Oconee, Mcguire, Catawba, Harris, Brunswick, Robinson, McGuire  Duke Energy icon.png
Issue date: 03/30/2021
From: Nolan M
Duke Energy Carolinas, Duke Energy Progress
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
RA-21-0037
Download: ML21089A269 (21)
v • d • e


Text

M. CHRISTOPHER NOLAN Vice President Nuclear Regulatory Affairs, Policy &

Emergency Preparedness 526 South Church Street, EC-07C Charlotte, NC 28202 980-382-7426 Chris.Nolan@duke-energy.com 10 CFR 50.75(f)(1) 10 CFR 50.4 Serial: RA-21-0037 March 30, 2021 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001 BRUNSWICK STEAM ELECTRIC PLANT, UNITS 1 AND 2, DOCKET NOS. 50-325, 50-324 CATAWBA NUCLEAR STATION, UNITS 1 AND 2, DOCKET NOS. 50-413, 50-414 SHEARON HARRIS NUCLEAR POWER PLANT, UNIT 1, DOCKET NO. 50-400 MCGUIRE NUCLEAR STATION, UNITS 1 AND 2, DOCKET NOS. 50-369, 50-370 OCONEE NUCLEAR STATION, UNITS 1, 2 AND 3, DOCKET NOS. 50-269, 50-270, 50-287 H.B. ROBINSON STEAM ELECTRIC PLANT, UNIT 2, DOCKET NO. 50-261

SUBJECT:

BIENNIAL DECOMMISSIONING FINANCIAL ASSURANCE REPORTS Ladies and Gentlemen:

Pursuant to 10 CFR 50.75(f)(1), Duke Energy Progress, LLC and Duke Energy Carolinas, LLC, collectively referred to henceforth as Duke Energy, is submitting the required Decommissioning Financial Assurance reports for Brunswick Steam Electric Plant (BNP), Units 1 and 2; Catawba Nuclear Station (CNS), Units 1 and 2; Shearon Harris Nuclear Power Plant, Unit 1 (HNP); McGuire Nuclear Station, Units 1 and 2 (MNS); Oconee Nuclear Station, Units 1, 2 and 3 (ONS); and H.B. Robinson Steam Electric Plant, Unit 2 (RNP). Enclosed are the required reports. The report for each nuclear plant contains the following information:

(1) Amount of decommissioning funds estimated to be required pursuant to 10 CFR 50.75(b) and (c).

(2) Amount accumulated to the end of the calendar year preceding the date of the report.

(3) Schedule of annual amounts remaining to be collected.

(4) Assumptions used regarding rates of escalation in decommissioning costs, rates of earnings on decommissioning funds and rates of other factors used in funding projections.

(5) Contracts upon which the licensee is relying pursuant to paragraph 10 CFR 50.75(e)(1)(v).

(6) Modifications occurring to a licensees current method of providing financial assurance since the last submitted report.

(7) Material changes to trust agreements.

U.S. Nuclear Regulatory Commission March 30, 2021 Page 2 The adjustment factors for labor rates and energy costs used in Item ( 1) for the calculation in 10 CFR 50.75(c)(2) are determined using the latest available 2020 indices from the U.S.

Department of Labor, Bureau of Labor Statistics. The adjustment factor for the cost of low-level waste burial charges used in Item (1) for the calculation in 10 CFR 50.75(c)(2) is determined using NUREG-1307, Revision 18.

As a convenience to the NRC, the biennial Financial Assurance reports from each co-owner for funding the decommissioning of Catawba Nuclear Station Units 1 and 2 are identified within each unit's report. However, none of the co-owners assumes any responsibility for the information contained in any other co-owner's report.

There are no regulatory commitments associated with this letter. If you have additional questions, please contact Art Zaremba, Director - Fleet Licensing at (980) 373-2062.

Sincer Z-[

M. Christopher Nolan Vice President - Nuclear Regulatory Affairs, Policy & Emergency Preparedness

Enclosure:

NRC Decommissioning Funding Status Reports as of December 31, 2020

U.S. Nuclear Regulatory Commission March 30, 2021 Page 3 xc (with enclosure):

Ms. L. Dudes, USNRC Regional Administrator, Region II Mr. G. Smith, USNRC Senior Resident Inspector - Brunswick Mr. A. Hon, NRR Project Manager - Brunswick Mr. J. Austin, USNRC Senior Resident Inspector - Catawba Ms. K. Cotton, NRR Project Manager - Catawba Mr. J. Zeiler, USNRC Senior Resident Inspector - Harris Mr. M. Mahoney, NRR Project Manager - Harris Mr. A Hutto, USNRC Senior Resident Inspector - McGuire Mr. J. Klos, NRR Project Manager - McGuire, Robinson Mr. J. Nadel, USNRC Senior Resident Inspector - Oconee Mr. S. Williams, NRR Project Manager - Oconee Mr. M. Fannon, USNRC Senior Resident Inspector - Robinson

ENCLOSURE NRC DECOMMISSIONING FUNDING STATUS REPORTS AS OF DECEMBER 31, 2020

Brunswick Unit 1

1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).

639,842,051

2. The amount accumulated at the end of the calendar year preceding the date of the report for items included in 10 CFR 50.75 (b) and (c). (Alternatively, the total amount accumulated at the end of the calendar year preceding the date of the report can be reported here if the cover letter transmitting the report provides the total estimate and indicates what portion of that estimate is Qualified Non Qualified for items not included in 10 CFR 50.75 (b) and (c)). 1,2 586,896,904 176,289,451
3. A schedule of the annual amounts remaining to be collected; Year Qualified Non Qualified for items in 10 CFR 50.75 (b) and (c). (Alternatively, the annual 2021 amounts remaining to be collected can include items beyond those 2022 required in 10 CFR 50.75 (b) and (c) if the cover letter 2023 transmitting the report provides a total cost estimate and 2024 indicates what portion of that estimate is for items that are not 2025 included in 10 CFR 50.75 (b) and (c).2 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 Total
4. The assumptions used regarding escalation in decommissioning 2.85% inflation cost, rates of earnings on decommissioning funds, and rates of 4.52% qualified rate of return other factors used in funding projections; 4.51% non-qualified rate of return
5. Any contracts upon which the licensee is relying pursuant to 10 CFR 50.75(e)(1)(v).

N/A

6. Any modifications to a licensees current method providing financial assurance occurring since the last submitted report.

N/A

7. Any material changes to trust agreements.

1 2 The amounts accumulated and the annual amounts remaining to be collected, together with future earnings on such amounts, include funding for both estimated reactor and ISFSI decommissioning costs.

100% Ownership Unit #1 NRC Decommissioning Funding Status Report Report Dated as of December 31, 2020 Duke Energy Progress, LLC Brunswick Nuclear Station The amounts reported are net of tax obligations No

Brunswick Unit 2

1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).

639,842,051

2. The amount accumulated at the end of the calendar year preceding the date of the report for items included in 10 CFR 50.75 (b) and (c). (Alternatively, the total amount accumulated at the end of the calendar year preceding the date of the report can be reported here if the cover letter transmitting the report provides the total estimate and indicates what portion of that estimate is Qualified Non Qualified for items not included in 10 CFR 50.75 (b) and (c)). 1 671,023,719 177,925,045
3. A schedule of the annual amounts remaining to be collected; Year Qualified Non Qualified for items in 10 CFR 50.75 (b) and (c). (Alternatively, the annual 2021 amounts remaining to be collected can include items beyond those 2022 required in 10 CFR 50.75 (b) and (c) if the cover letter 2023 transmitting the report provides a total cost estimate and 2024 indicates what portion of that estimate is for items that are not 2025 included in 10 CFR 50.75 (b) and (c).

2026 2027 2028 2029 2030 2031 2032 2033 2034 Total

4. The assumptions used regarding escalation in decommissioning 2.80% inflation cost, rates of earnings on decommissioning funds, and rates of 4.52% qualified rate of return other factors used in funding projections; 4.41% non-qualified rate of return
5. Any contracts upon which the licensee is relying pursuant to 10 CFR 50.75(e)(1)(v).

N/A

6. Any modifications to a licensees current method providing financial assurance occurring since the last submitted report.

N/A

7. Any material changes to trust agreements.

1 The amounts reported are net of tax obligations 100% Ownership Unit #2 NRC Decommissioning Funding Status Report Report Dated as of December 31, 2020 Duke Energy Progress, LLC Brunswick Nuclear Station No

Catawba Unit 1

1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).

94,079,865

2. The amount accumulated at the end of the calendar year preceding the date of the report for items included in 10 CFR 50.75 (b) and (c). (Alternatively, the total amount accumulated at the end of the calendar year preceding the date of the report can be reported here if the cover letter transmitting the report provides the total estimate and indicates what portion of that estimate is Qualified Non Qualified for items not included in 10 CFR 50.75 (b) and (c)). 1 141,123,211 12,832,170
3. A schedule of the annual amounts remaining to be collected; Year Qualified Non Qualified for items in 10 CFR 50.75 (b) and (c). (Alternatively, the annual 2021 amounts remaining to be collected can include items beyond those 2022 required in 10 CFR 50.75 (b) and (c) if the cover letter 2023 transmitting the report provides a total cost estimate and 2024 indicates what portion of that estimate is for items that are not 2025 included in 10 CFR 50.75 (b) and (c).

2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 Total

4. The assumptions used regarding escalation in decommissioning 2.65% inflation cost, rates of earnings on decommissioning funds, and rates of 4.66% qualified rate of return other factors used in funding projections; 4.72% non-qualified rate of return
5. Any contracts upon which the licensee is relying pursuant to 10 CFR 50.75(e)(1)(v).

N/A

6. Any modifications to a licensees current method providing financial assurance occurring since the last submitted report.

N/A

7. Any material changes to trust agreements.

N/A 1 The amounts reported are net of tax obligations 19.246% Ownership Unit #1 NRC Decommissioning Funding Status Report Report Dated as of December 31, 2020 Duke Energy Carolinas, LLC Catawba Nuclear Station

Catawba Unit 2

1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).

94,079,865

2. The amount accumulated at the end of the calendar year preceding the date of the report for items included in 10 CFR 50.75 (b) and (c). (Alternatively, the total amount accumulated at the end of the calendar year preceding the date of the report can be reported here if the cover letter transmitting the report provides the total estimate and indicates what portion of that estimate is Qualified Non Qualified for items not included in 10 CFR 50.75 (b) and (c)). 1,2 121,744,576 36,660,521
3. A schedule of the annual amounts remaining to be collected; Year Qualified Non Qualified for items in 10 CFR 50.75 (b) and (c). (Alternatively, the annual 2021 amounts remaining to be collected can include items beyond those 2022 required in 10 CFR 50.75 (b) and (c) if the cover letter 2023 transmitting the report provides a total cost estimate and 2024 indicates what portion of that estimate is for items that are not 2025 included in 10 CFR 50.75 (b) and (c).

2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 Total

4. The assumptions used regarding escalation in decommissioning 2.65% inflation cost, rates of earnings on decommissioning funds, and rates of 4.66% qualified rate of return other factors used in funding projections; 4.72% non-qualified rate of return
5. Any contracts upon which the licensee is relying pursuant to 10 CFR 50.75(e)(1)(v).

N/A

6. Any modifications to a licensees current method providing financial assurance occurring since the last submitted report.

N/A

7. Any material changes to trust agreements.

N/A 1 The amounts reported are net of tax obligations 2

The amounts accumulated, together with future earnings on such amounts, include funding for both estimated reactor and ISFSI decommissioning costs.

19.246% Ownership Unit #2 NRC Decommissioning Funding Status Report Report Dated as of December 31, 2020 Duke Energy Carolinas, LLC Catawba Nuclear Station

1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).

150,334,208

2. The amount accumulated at the end of the calendar year preceding the date of the report for items included in 10 CFR 50.75 (b) and (c). (Alternatively, the total amount accumulated at the end of the calendar year preceding the date of the report can be reported here if the cover letter transmitting the report provides the total estimate and indicates what portion of that estimate is for items not included in 10 CFR 50.75 (b) and (c)). 1 161,742,738
3. A schedule of the annual amounts remaining to be collected; for items in 10 CFR 50.75 (b) and (c). (Alternatively, the annual amounts remaining to be collected can include items beyond those required in 10 CFR 50.75 (b) and (c) if the cover letter transmitting the report provides a total cost estimate and indicates what portion of that estimate is for items that are not included in 10 CFR 50.75 (b) and (c).)

Year Amount 2021 1,578,116 2022 1,662,485 2023 1,605,538 2024 1,549,023 2025 1,492,982 2026 1,437,461 2027 1,382,511 2028 1,328,183 2029 1,274,534 2030 1,221,623 2031 1,169,513 2032 1,118,272 2033 1,067,973 2034 1,018,690 2035 970,506 2036 923,505 2037 877,781 2038 833,430 2039 790,555 2040 749,266 2041 709,678 2042 671,916 2043 Total 25,433,541

4. The assumptions used regarding escalation in inflation -

2.50%

decommissioning cost, rates of earnings on decommissioning rate of return -

4.75%

funds, and rates of other factors used in funding projections;

5. Any contracts upon which the licensee is relying pursuant to None 10 CFR 50.75(e)(1)(v).
6. Any modifications to a licensees current method providing None financial assurance occurring since the last submitted report.
7. Any material changes to trust agreements.

None 1 The owner is tax exempt; therefore, the amounts reported are net of tax Unit #1 NRC Decommissioning Funding Status Report Report Dated as of December 31, 2020 North Carolina Electric Membership Corporation Catawba Nuclear Station 30.754% Ownership

1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).

150,334,208

2. The amount accumulated at the end of the calendar year preceding the date of the report for items included in 10 CFR 50.75 (b) and (c). (Alternatively, the total amount accumulated at the end of the calendar year preceding the date of the report can be reported here if the cover letter transmitting the report provides the total estimate and indicates what portion of that estimate is for items not included in 10 CFR 50.75 (b) and (c)). 1,2 172,899,194
3. A schedule of the annual amounts remaining to be collected; for items in 10 CFR 50.75 (b) and (c). (Alternatively, the annual amounts remaining to be collected can include items beyond those required in 10 CFR 50.75 (b) and (c) if the cover letter transmitting the report provides a total cost estimate and indicates what portion of that estimate is for items that are not included in 10 CFR 50.75 (b) and (c).)

Year Amount 2021 1,832,551 2022 1,930,523 2023 1,864,395 2024 1,798,768 2025 1,733,691 2026 1,669,220 2027 1,605,410 2028 1,542,323 2029 1,480,024 2030 1,418,582 2031 1,358,071 2032 1,298,569 2033 1,240,159 2034 1,182,931 2035 1,126,978 2036 1,072,400 2037 1,019,304 2038 967,802 2039 918,014 2040 870,068 2041 824,098 2042 780,248 2043 Total 29,534,129

4. The assumptions used regarding escalation in decommissioning inflation -

2.50%

cost, rates of earnings on decommissioning funds, and rates of rate of return -

4.75%

other factors used in funding projections;

5. Any contracts upon which the licensee is relying pursuant to None 10 CFR 50.75(e)(1)(v).
6. Any modifications to a licensees current method providing None financial assurance occurring since the last submitted report.
7. Any material changes to trust agreements.

None 1

2 The owner is tax exempt; therefore, the amounts reported are net of tax The amount acumulated and the annual amounts remaining to be collected, together with future earnings on such amounts, include funding for both estimated reactor and ISFSI decommissioning costs.

Unit #2 NRC Decommissioning Funding Status Report Report Dated as of December 31, 2020 North Carolina Electric Membership Corporation Catawba Nuclear Station 30.754% Ownership

1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).

183,310,555

2. The amount accumulated at the end of the calendar year preceding the date of the report for items included in 10 CFR 50.75 (b) and (c). (Alternatively, the total amount accumulated at the end of the calendar year preceding the date of the report can be reported here if the cover letter transmitting the report provides the total estimate and indicates what portion of that estimate is for items not included in 10 CFR 50.75 (b) and (c)). 1 204,880,645
3. A schedule of the annual amounts remaining to be collected; for items in 10 CFR 50.75 (b) and (c). (Alternatively, the annual amounts remaining to be collected can include items beyond those required in 10 CFR 50.75 (b) and (c) if the cover letter transmitting the report provides a total cost estimate and indicates what portion of that estimate is for items that are not included in 10 CFR 50.75 (b) and (c).

Year Amount 2021 2,000,000 2022 4,300,000 2023 4,300,000 2024 4,300,000 2025 4,300,000 2026 4,300,000 2027 4,300,000 2028 4,300,000 2029 4,300,000 2030 4,300,000 2031 4,300,000 2032 4,300,000 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 Total 49,300,000 12

  • 2032 is the last year of the current Participant Project Power Sales Agreement.
4. The assumptions used regarding escalation in decommissioning inflation -

3.40%

cost, rates of earnings on decommissioning funds, and rates of rate of return -

2.20%

other factors used in funding projections;

5. Any contracts upon which the licensee is relying pursuant to None 10 CFR 50.75(e)(1)(v).
6. Any modifications to a licensees current method providing None financial assurance occurring since the last submitted report.
7. Any material changes to trust agreements.

None

  1. of years to collect NRC Decommissioning Funding Status Report Report Dated as of December 31, 2020 North Carolina Municipal Power Agency 1 Catawba Nuclear Station 37.5% Ownership Unit #1 1 The owner is tax exempt; therefore, the amounts reported are net of tax
1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).

183,310,555

2. The amount accumulated at the end of the calendar year preceding the date of the report for items included in 10 CFR 50.75 (b) and (c). (Alternatively, the total amount accumulated at the end of the calendar year preceding the date of the report can be reported here if the cover letter transmitting the report provides the total estimate and indicates what portion of that estimate is for items not included in 10 CFR 50.75 (b) and (c)). 1,2 202,656,305
3. A schedule of the annual amounts remaining to be collected; for items in 10 CFR 50.75 (b) and (c). (Alternatively, the annual amounts remaining to be collected can include items beyond those required in 10 CFR 50.75 (b) and (c) if the cover letter transmitting the report provides a total cost estimate and indicates what portion of that estimate is for items that are not included in 10 CFR 50.75 (b) and (c).

Year Amount 2021 2,525,000 2022 5,100,000 2023 5,100,000 2024 5,100,000 2025 5,100,000 2026 5,100,000 2027 5,100,000 2028 5,100,000 2029 5,100,000 2030 5,100,000 2031 5,100,000 2032 5,100,000 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 Total 58,625,000

  1. of years to collect 12
  • 2032 is the last year of the current Participant Project Power Sales Agreement.
4. The assumptions used regarding escalation in decommissioning inflation -

3.40%

cost, rates of earnings on decommissioning funds, and rates of rate of return -

2.20%

other factors used in funding projections;

5. Any contracts upon which the licensee is relying pursuant to None 10 CFR 50.75(e)(1)(v).
6. Any modifications to a licensees current method providing None financial assurance occurring since the last submitted report.
7. Any material changes to trust agreements.

None 1

2 The owner is tax exempt; therefore, the amounts reported are net of tax The amount acumulated and the annual amounts remaining to be collected, together with future earnings on such amounts, include funding for both estimated reactor and ISFSI decommissioning costs.

Unit #2 NRC Decommissioning Funding Status Report Report Dated as of December 31, 2020 North Carolina Municipal Power Agency 1 Catawba Nuclear Station 37.5% Ownership

1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).

61,103,518

2. The amount accumulated at the end of the calendar year preceding the date of the report for items included in 10 CFR 50.75 (b) and (c). (Alternatively, the total amount accumulated at the end of the calendar year preceding the date of the report can be reported here if the cover letter transmitting the report provides the total estimate and indicates what portion of that estimate is for items not included in 10 CFR 50.75 (b) and (c)). 1 47,332,776
3. A schedule of the annual amounts remaining to be collected; for items in 10 CFR 50.75 (b) and (c). (Alternatively, the annual amounts remaining to be collected can include items beyond those required in 10 CFR 50.75 (b) and (c) if the cover letter transmitting the report provides a total cost estimate and indicates what portion of that estimate is for items that are not included in 10 CFR 50.75 (b) and (c).

Year Amount 2021 708,040 2022 708,040 2023 708,040 2024 708,040 2025 708,040 2026 708,040 2027 708,040 2028 708,040 2029 708,040 2030 708,040 2031 708,040 2032 708,040 2033 708,040 2034 708,040 2035 708,040 2036 708,040 2037 708,040 2038 708,040 2039 708,040 2040 708,040 2041 708,040 2042 708,040 2043 708,040 Total 16,284,920

4. The assumptions used regarding escalation in decommissioning inflation -

2.75%

cost, rates of earnings on decommissioning funds, and rates of rate of return -

3.00%

other factors used in funding projections;

5. Any contracts upon which the licensee is relying pursuant to None 10 CFR 50.75(e)(1)(v).
6. Any modifications to a licensees current method providing None financial assurance occurring since the last submitted report.
7. Any material changes to trust agreements.

None 1 The owner is tax exempt; therefore, the amounts reported are net of tax Unit #1 NRC Decommissioning Funding Status Report Report Dated as of December 31, 2020 Piedmont Municipal Power Agency Catawba Nuclear Station 12.5% Ownership

1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).

61,103,518

2. The amount accumulated at the end of the calendar year preceding the date of the report for items included in 10 CFR 50.75 (b) and (c). (Alternatively, the total amount accumulated at the end of the calendar year preceding the date of the report can be reported here if the cover letter transmitting the report provides the total estimate and indicates what portion of that estimate is for items not included in 10 CFR 50.75 (b) and (c)). 1,2 53,925,365
3. A schedule of the annual amounts remaining to be collected; for items in 10 CFR 50.75 (b) and (c). (Alternatively, the annual amounts remaining to be collected can include items beyond those required in 10 CFR 50.75 (b) and (c) if the cover letter transmitting the report provides a total cost estimate and indicates what portion of that estimate is for items that are not included in 10 CFR 50.75 (b) and (c).

Year Amount 2021 312,602 2022 312,602 2023 312,602 2024 312,602 2025 312,602 2026 312,602 2027 312,602 2028 312,602 2029 312,602 2030 312,602 2031 312,602 2032 312,602 2033 312,602 2034 312,602 2035 312,602 2036 312,602 2037 312,602 2038 312,602 2039 312,602 2040 312,602 2041 312,602 2042 312,602 2043 312,602 Total 7,189,846

4. The assumptions used regarding escalation in decommissioning inflation -

2.75%

cost, rates of earnings on decommissioning funds, and rates of rate of return -

3.00%

other factors used in funding projections;

5. Any contracts upon which the licensee is relying pursuant to None 10 CFR 50.75(e)(1)(v).
6. Any modifications to a licensees current method providing None financial assurance occurring since the last submitted report.
7. Any material changes to trust agreements.

None 1

2 The owner is tax exempt; therefore, the amounts reported are net of tax The amount acumulated and the annual amounts remaining to be collected, together with future earnings on such amounts, include funding for both estimated reactor and ISFSI decommissioning costs.

Unit #2 NRC Decommissioning Funding Status Report Report Dated as of December 31, 2020 Piedmont Municipal Power Agency Catawba Nuclear Station 12.5% Ownership

Harris Unit 1

1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).

494,676,928

2. The amount accumulated at the end of the calendar year preceding the date of the report for items included in 10 CFR 50.75 (b) and (c). (Alternatively, the total amount accumulated at the end of the calendar year preceding the date of the report can be reported here if the cover letter transmitting the report provides the total estimate and indicates what portion of that estimate is Qualified Non Qualified for items not included in 10 CFR 50.75 (b) and (c)). 1 667,606,526 86,403,847
3. A schedule of the annual amounts remaining to be collected; Year Qualified Non Qualified for items in 10 CFR 50.75 (b) and (c). (Alternatively, the annual 2021 amounts remaining to be collected can include items beyond those 2022 required in 10 CFR 50.75 (b) and (c) if the cover letter 2023 transmitting the report provides a total cost estimate and 2024 indicates what portion of that estimate is for items that are not 2025 included in 10 CFR 50.75 (b) and (c).

2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 Total

4. The assumptions used regarding escalation in decommissioning 2.67% inflation cost, rates of earnings on decommissioning funds, and rates of 4.61% qualified rate of return other factors used in funding projections; 2.42% non-qualified rate of return
5. Any contracts upon which the licensee is relying pursuant to 10 CFR 50.75(e)(1)(v).

N/A

6. Any modifications to a licensees current method providing financial assurance occurring since the last submitted report.

N/A

7. Any material changes to trust agreements.

1 The amounts reported are net of tax obligations 100% Ownership Unit #1 NRC Decommissioning Funding Status Report Report Dated as of December 31, 2020 Duke Energy Progress, LLC Harris Nuclear Station No

McGuire Unit 1

1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).

514,561,546

2. The amount accumulated at the end of the calendar year preceding the date of the report for items included in 10 CFR 50.75 (b) and (c). (Alternatively, the total amount accumulated at the end of the calendar year preceding the date of the report can be reported here if the cover letter transmitting the report provides the total estimate and indicates what portion of that estimate is Qualified Non Qualified for items not included in 10 CFR 50.75 (b) and (c)). 1 750,917,049 2,746,368
3. A schedule of the annual amounts remaining to be collected; Year Qualified Non Qualified for items in 10 CFR 50.75 (b) and (c). (Alternatively, the annual 2021 amounts remaining to be collected can include items beyond those 2022 required in 10 CFR 50.75 (b) and (c) if the cover letter 2023 transmitting the report provides a total cost estimate and 2024 indicates what portion of that estimate is for items that are not 2025 included in 10 CFR 50.75 (b) and (c).

2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 Total

4. The assumptions used regarding escalation in decommissioning 2.65% inflation cost, rates of earnings on decommissioning funds, and rates of 4.66% qualified rate of return other factors used in funding projections; 4.72% non-qualified rate of return
5. Any contracts upon which the licensee is relying pursuant to 10 CFR 50.75(e)(1)(v).

N/A

6. Any modifications to a licensees current method providing financial assurance occurring since the last submitted report.

N/A

7. Any material changes to trust agreements.

N/A 1 The amounts reported are net of tax obligations 100% Ownership Unit #1 NRC Decommissioning Funding Status Report Report Dated as of December 31, 2020 Duke Energy Carolinas, LLC McGuire Nuclear Station

McGuire Unit 2

1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).

514,561,546

2. The amount accumulated at the end of the calendar year preceding the date of the report for items included in 10 CFR 50.75 (b) and (c). (Alternatively, the total amount accumulated at the end of the calendar year preceding the date of the report can be reported here if the cover letter transmitting the report provides the total estimate and indicates what portion of that estimate is Qualified Non Qualified for items not included in 10 CFR 50.75 (b) and (c)). 1,2 824,753,311
3. A schedule of the annual amounts remaining to be collected; Year Qualified Non Qualified for items in 10 CFR 50.75 (b) and (c). (Alternatively, the annual 2021 amounts remaining to be collected can include items beyond those 2022 required in 10 CFR 50.75 (b) and (c) if the cover letter 2023 transmitting the report provides a total cost estimate and 2024 indicates what portion of that estimate is for items that are not 2025 included in 10 CFR 50.75 (b) and (c).

2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 Total

4. The assumptions used regarding escalation in decommissioning 2.65% inflation cost, rates of earnings on decommissioning funds, and rates of 4.66% qualified rate of return other factors used in funding projections; 4.72% non-qualified rate of return
5. Any contracts upon which the licensee is relying pursuant to 10 CFR 50.75(e)(1)(v).

N/A

6. Any modifications to a licensees current method providing financial assurance occurring since the last submitted report.

N/A

7. Any material changes to trust agreements.

N/A 1 The amounts reported are net of tax obligations 2 The amounts accumulated, together with future earnings on such amounts, include funding for both estimated reactor and ISFSI decommissioning costs.

100% Ownership Unit #2 NRC Decommissioning Funding Status Report Report Dated as of December 31, 2020 Duke Energy Carolinas, LLC McGuire Nuclear Station

Oconee Unit 1

1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).

454,369,952

2. The amount accumulated at the end of the calendar year preceding the date of the report for items included in 10 CFR 50.75 (b) and (c). (Alternatively, the total amount accumulated at the end of the calendar year preceding the date of the report can be reported here if the cover letter transmitting the report provides the total estimate and indicates what portion of that estimate is Qualified Non Qualified for items not included in 10 CFR 50.75 (b) and (c)). 1 592,473,924

$ 37,431,211

3. A schedule of the annual amounts remaining to be collected; Year Qualified Non Qualified for items in 10 CFR 50.75 (b) and (c). (Alternatively, the annual 2021 amounts remaining to be collected can include items beyond those 2022 required in 10 CFR 50.75 (b) and (c) if the cover letter 2023 transmitting the report provides a total cost estimate and 2024 indicates what portion of that estimate is for items that are not 2025 included in 10 CFR 50.75 (b) and (c).

2026 2027 2028 2029 2030 2031 2032 2033 Total

4. The assumptions used regarding escalation in decommissioning 2.65% inflation cost, rates of earnings on decommissioning funds, and rates of 4.66% qualified rate of return other factors used in funding projections; 4.72% non-qualified rate of return
5. Any contracts upon which the licensee is relying pursuant to 10 CFR 50.75(e)(1)(v).

N/A

6. Any modifications to a licensees current method providing financial assurance occurring since the last submitted report.

N/A

7. Any material changes to trust agreements.

N/A 1 The amounts reported are net of tax obligations NRC Decommissioning Funding Status Report Report Dated as of December 31, 2020 Duke Energy Carolinas, LLC Oconee Nuclear Station 100% Ownership Unit #1

Oconee Unit 2

1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).

454,369,952

2. The amount accumulated at the end of the calendar year preceding the date of the report for items included in 10 CFR 50.75 (b) and (c). (Alternatively, the total amount accumulated at the end of the calendar year preceding the date of the report can be reported here if the cover letter transmitting the report provides the total estimate and indicates what portion of that estimate is Qualified Non Qualified for items not included in 10 CFR 50.75 (b) and (c)). 1 595,325,342 30,191,462
3. A schedule of the annual amounts remaining to be collected; Year Qualified Non Qualified for items in 10 CFR 50.75 (b) and (c). (Alternatively, the annual 2021 amounts remaining to be collected can include items beyond those 2022 required in 10 CFR 50.75 (b) and (c) if the cover letter 2023 transmitting the report provides a total cost estimate and 2024 indicates what portion of that estimate is for items that are not 2025 included in 10 CFR 50.75 (b) and (c).

2026 2027 2028 2029 2030 2031 2032 2033 Total

4. The assumptions used regarding escalation in decommissioning 2.65% inflation cost, rates of earnings on decommissioning funds, and rates of 4.66% qualified rate of return other factors used in funding projections; 4.72% non-qualified rate of return
5. Any contracts upon which the licensee is relying pursuant to 10 CFR 50.75(e)(1)(v).

N/A

6. Any modifications to a licensees current method providing financial assurance occurring since the last submitted report.

N/A

7. Any material changes to trust agreements.

N/A 1 The amounts reported are net of tax obligations 100% Ownership Unit #2 NRC Decommissioning Funding Status Report Report Dated as of December 31, 2020 Duke Energy Carolinas, LLC Oconee Nuclear Station

Oconee Unit 3

1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).

454,369,952

2. The amount accumulated at the end of the calendar year preceding the date of the report for items included in 10 CFR 50.75 (b) and (c). (Alternatively, the total amount accumulated at the end of the calendar year preceding the date of the report can be reported here if the cover letter transmitting the report provides the total estimate and indicates what portion of that estimate is Qualified Non Qualified for items not included in 10 CFR 50.75 (b) and (c)). 1,2 806,465,745 8,545,087
3. A schedule of the annual amounts remaining to be collected; Year Qualified Non Qualified for items in 10 CFR 50.75 (b) and (c). (Alternatively, the annual 2021 amounts remaining to be collected can include items beyond those 2022 required in 10 CFR 50.75 (b) and (c) if the cover letter 2023 transmitting the report provides a total cost estimate and 2024 indicates what portion of that estimate is for items that are not 2025 included in 10 CFR 50.75 (b) and (c).

2026 2027 2028 2029 2030 2031 2032 2033 2034 Total

4. The assumptions used regarding escalation in decommissioning 2.65% inflation cost, rates of earnings on decommissioning funds, and rates of 4.66% qualified rate of return other factors used in funding projections; 4.72% non-qualified rate of return
5. Any contracts upon which the licensee is relying pursuant to 10 CFR 50.75(e)(1)(v).

N/A

6. Any modifications to a licensees current method providing financial assurance occurring since the last submitted report.

N/A

7. Any material changes to trust agreements.

N/A 1 The amounts reported are net of tax obligations 2 The amounts accumulated, together with future earnings on such amounts, include funding for both estimated reactor and ISFSI decommissioning costs 100% Ownership Unit #3 NRC Decommissioning Funding Status Report Report Dated as of December 31, 2020 Duke Energy Carolinas, LLC Oconee Nuclear Station

Robinson Unit 2

1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).

444,988,176

2. The amount accumulated at the end of the calendar year preceding the date of the report for items included in 10 CFR 50.75 (b) and (c). (Alternatively, the total amount accumulated at the end of the calendar year preceding the date of the report can be reported here if the cover letter transmitting the report provides the total estimate and indicates what portion of that estimate is Qualified Non Qualified for items not included in 10 CFR 50.75 (b) and (c)). 1,2 851,792,385 14,894,589
3. A schedule of the annual amounts remaining to be collected; Year Qualified Non Qualified for items in 10 CFR 50.75 (b) and (c). (Alternatively, the annual 2021 amounts remaining to be collected can include items beyond those 2022 required in 10 CFR 50.75 (b) and (c) if the cover letter 2023 transmitting the report provides a total cost estimate and 2024 indicates what portion of that estimate is for items that are not 2025 included in 10 CFR 50.75 (b) and (c). 2 2026 2027 2028 2029 2030 Total
4. The assumptions used regarding escalation in decommissioning 2.82% inflation cost, rates of earnings on decommissioning funds, and rates of 4.53% qualified rate of return other factors used in funding projections; 2.50% non-qualified rate of return
5. Any contracts upon which the licensee is relying pursuant to 10 CFR 50.75(e)(1)(v).

N/A

6. Any modifications to a licensees current method providing financial assurance occurring since the last submitted report.

N/A

7. Any material changes to trust agreements.

No 1

2 The amounts accumulated and the annual amounts remaining to be collected, together with future earnings on such amounts, include funding for both estimated reactor and ISFSI decommissioning costs.

100% Ownership Unit #2 NRC Decommissioning Funding Status Report Report Dated as of December 31, 2020 Duke Energy Progress, LLC Robinson Nuclear Station The amounts reported are net of tax obligations

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