HBL-05-008, Decommissioning Funding Report

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Decommissioning Funding Report
ML050950368
Person / Time
Site: Humboldt Bay
Issue date: 03/31/2005
From: Rueger G
Pacific Gas & Electric Co
To:
Document Control Desk, NRC/FSME
References
HBL-05-008
Download: ML050950368 (21)
v • d • e


Text

WI Pacific Gas and Electric Company."

Gregory M. Rueger US Mail Senior Vice President- Mail Code B32 Generation and Pacific Gas and Electric Company Chief Nuclear Officer POBox 770000 San Francisco, CA 94177-0001 March 31, 2005 Overnight Mail:

Mail Code 832 PG&E Letter HBL-05-008PG&ELettr HL-05008Pacific 77 BealeGasStreet, and Electric Company 32nd Floor San Francisco, CA 94105-1814 U.S. Nuclear Regulatory Commission 415.973.4684 ATTN: Document Control Desk Fax: 415.973.2313 Washington, DC 20555-0001 Docket No. 50-133, OP-DPR-7 Humboldt Bay Unit 3 Decommissioning Funding Report for Humboldt Bay Power Plant Unit 3

Dear Commissioners and Staff:

PG&E is submitting the decommissioning fund report for Humboldt Bay Power Plant (HBPP)

Unit 3, pursuant to the requirements of 10 CFR 50.75(f).

Humboldt Bay Unit 3 At the end of calendar year 2004, the market value of the HBPP Unit 3 (220 MWt) decommissioning trust funds was $252.9 million. PG&E estimates an additional $18.45 million (future nominal dollars) will need to be collected over the next year to coincide with a decommissioning of HBPP Unit 3 in 2008 based on a site-specific decommissioning cost estimate prepared by TLG Services, Inc. and adjusted per the Nuclear Decommissioning Cost Triennial Proceeding (NDCTP) Decision 03-10-014 from the California Public Utilities Commission (CPUC). The CPUC Decision was based on an Independent Spent Fuel Storage Installation (ISFSI) being constructed at HBPP that would be in operation until 2015 when all fuel would be removed from HBPP by the Department of Energy (DOE). Previous HBPP Assurance of Funding letters were based on HBPP fuel remaining in the spent fuel pool until DOE took possession after the opening of their Nuclear Fuel Repository in 2010.

The market value of the HBPP trust is lower than the minimum amount of the NRC decommissioning estimate of $453.2 million (2005 dollars) that was calculated pursuant to the requirements specified in 10 CFR 50.75(c), which is based on a minimum 1200 MWt plant.

PG&E is confident the HBPP trust, with the noted additional contributions, will be sufficient to ensure successful decommissioning and maintaining of the spent fuel in an ISFSI at HBPP Unit 3 in 2008 based on a site-specific decommissioning cost estimate prepared by TLG Services, Inc. and the CPUC Decision 03-10-014.

Supporting Cost Estimates Based on site-specific cost estimates prepared by TLG Services, Inc. and adjustments as a result of the NDCTP Decision 03-10-014, PG&E has estimated that the decommissioning costs are approximately $295.8 million (including $18.4 million disbursed from the Trust(s) through December 2004 and $277.4 million future radiological removal costs) for HBPP Unit 3 in 2005 dollars. These costs do not include dismantling or demolishing the non-nuclear portions of the

Document Control Desk PG&E Letter HBL-05-008 March 31, 2005 Page 2 facilities ($3.5 million), nor the licensing, construction, and operation of the ISFSI until 2015

($68.0 million).

To assure that sufficient funds will be available for decommissioning, PG&E has established external sinking trust fund accounts for HBPP Unit 3.

Supporting Enclosures Supporting documentation for this report is included as Enclosures 1 through 4. provides decommissioning funding status information in a format suggested by NEI and the NRC. provides information on the escalation of the required decommissioning funding amounts from 1986 dollars to 2005 dollars. As required by 10 CFR 50.75(c)(2), and using NUREG 1577, "Standard Review Plan on Power Reactor Licensee Financial Qualifications and Decommissioning Funding Assurance," Revision 1 and NUREG 1307, "Report on Waste Burial Charges," Revision 10, the information includes escalation factors for energy, labor, and waste burial costs.

Enclosure 3 is the TLG Services, Inc. decommissioning cost estimate report prepared in February 2002 for PG&E for HBPP Unit 3. The TLG Services, Inc. cost estimate has then been adjusted to reflect the costs in 2005 dollars per CPUC Decision 03-10-014 by applying the escalation factors; adjusting the burial costs of Class A Low Level Radioactive Waste (LLRW) from $140 per cubic foot to $200 per cubic foot; and reducing the contingency from 30 percent to 25 percent. The report provides cost estimates for decommissioning of both the nuclear and non-nuclear facilities, including the ISFSI.

Enclosure 4 is a cash flow of the total decommissioning of HBPP that identifies the monies for NRC scope (removal of radiological contamination), non-NRC scope (including the non-radiological work) and the ISFSI.

Si'cerely, Gre M. e r Senior Vice President - Generation and Chief Nuclear Officer Enclosures cc/enc: John B. Hickman Bruce S. Mallett INPO PG Fossil Gen HBPP Humboldt Distribution

Enclosure 1 PG&E Letter HBL-05-008 NRC Decommissioning Funding Status Report Humboldt Bay Power Plant - Unit 3 (220 MWt)

Enclosure 1 PG&E Letter HBL-05-008 NRC Decommissioning Funding Status Report Humboldt Bay Power Plant - Unit 3 (220 MWt)

As provided in 10 CFR 50.75(f)(1), each power reactor licensee is required to report to the NRC on a calendar year basis, beginning March 31, 1999, and annually thereafter, on the status of its decommissioning funding for each reactor that it owns and has already closed.

$ in Millions

1. The minimum decommissioning fund estimate, pursuant to 10 CFR 50.75 (b) and (c).1 January 2005 dollars $ 453.2 (HBPP is a shutdown unit with a Site Specific Cost Study; therefore, the minimum decommissioning fund estimate is based on the Site Specific Cost Study shown in item 8 of this enclosure.)
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)).

Market Value (December 2004 dollars) $ 252.9

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). (See item 6 of this enclosure describing the collection of additional funds.)

Amount remaining $ 18.45 Number of years to collect 1 year Annual amount to be collected $ 18.45 1 - The NRC formulas in section 10CFR50.75(c) include only those decommissioning costs incurred by licensees to remove a facility or site safely from service and reduce residual radioactivity to levels that permit: (1) release of the property for unrestricted use and termination of the license; or (2) release of the property under restricted conditions and termination of the license. The cost of dismantling or demolishing non-radiological systems and structures is not included in the NRC decommissioning cost estimates. The costs of managing and storing spent fuel on site until transfers to DOE are not included in the cost formulas.

1

Enclosure 1 PG&E Letter HBL-05-008

4. The assumptions used regarding escalation in decommissioning cost, rates of earnings on decommissioning funds (assumes trust will be gradually converted to a more conservative, all fixed income portfolio after 2010), and rates of other factors used in funding projections:

Escalation in decommissioning costs 4.55 percent Rate of Return on Qualified Trust 2005 6.50 percent Rate of Return on Qualified Trust 2006 5.88 percent Rate of Return on Qualified Trust 2007 5.33 percent Rate of Return on Qualified Trust 2008 4.85 percent Rate of Return on Qualified Trust 2009 4.46 percent Rate of Return on Qualified Trust (2010-2015) 4.16 percent Rate of Return on Non-Qualified Trust 2005 5.63 percent Rate of Return on Non-Qualified Trust 2006 4.82 percent Rate of Return on Non-Qualified Trust 2007 4.22 percent Rate of Return on Non-Qualified Trust 2008 3.79 percent Rate of Return on Non-Qualified Trust 2008 3.51 percent Rate of Return on Non-Qualified Trust (2010-2015) 3.38 percent

5. Any contracts upon which the licensee is relying pursuant to 10 CFR 50.75(e)(1)(v); NONE
6. Any modifications to a licensee's current method providing financial assurance occurring since the last submitted report. YES CPUC granted $18.45 million to be collected in 2003 through 2005 in Decision 03-10-014, dated October 2, 2003.
7. Any material changes to trust agreements. NONE
8. CPUC Submittal in 2005 Dollars in Millions:

Total Project (Decommission 2009) $ 367.3 Scope Excluded from NRC calculations $ 3.5 Scope of ISFSI from Licensing to Decommissioning in 2015 $ 68.0 Scope Decommissioned and disbursed from Trust(s) $ 18.4 Total NRC Decommissioning Costs $ 277.4 2

Enclosure 2 PG&E Letter HBL-05-008 Calculation of Energy Escalation Factor Reference NUREG-1307, Revision 10, Section 3.2

Development of E Component Enclosure 2 PG&E Letter HBL-05-008 Calculation of Energy Escalation Factor - REFERENCE NUREG-1 307, REVISION 10, SECTION 3.2 Using Regional Indices SERIES ID: WPU0573 Light Fuel Oils (as of 03/05105) and WPU0543 Industrial Electric Power (as of 03/05/05)

REBASED TO 1986 = 100 PPI for Fuels & PPI for Light PPI for Fuels & PPI for Light Energy Escalation Related Products Fuel Oils Related Products Fuel Oils Factor (E)

(1982 = 100) (1982=100) (1986 = 100) (1986=100) for BWR (P) =Industrial Energy Power (F) = Light Fuel Oils (P) =Industrial Energy Power (F) = Light Fuel Oils (Humboldt)

BWR wt = 0.54 BWR wt = 0.46 PWR wt = 0.58 PWR wt = 0.42 Jan-86 114.2 82.0 1.0000 1.0000 1.0000 Feb-86 115.0 62.4 1.0070 0.7610 0.8938 Mar-86 114.4 51.3 1.0018 0.6256 0.8287 Apr-86 113.7 49.8 0.9956 0.6073 0.8170 May-86 114.1 47.0 0.9991 0.5732 0.8032 Jun-86 115.3 44.7 1.0096 0.5451 0.7960 Jul-86 116.2 36.4 1.0175 0.4439 0.7537 Aug-86 116.3 40.1 1.0184 0.4890 0.7749 Sep-86 116.3 46.3 1.0184 0.5646 0.8097 Oct-86 113.0 43.1 0.9895 0.5256 0.7761 Nov-86 112.7 43.5 0.9869 0.5305 0.7769 Dec-86 112.3 45.6 0.9834 0.5561 0.7868 Jan-87 1103 51.4 0.9658 0.6268 0.8099 Feb-87 109.8 53.1 0.9615 0.6476 0.8171 Mar-87 110.2 49.7 0.9650 0.6061 0.7999 Apr-87 109.9 52.0 0.9623 0.6341 0.8114 May-87 111.8 53.3 0.9790 0.6500 0.8277 Jun-87 113.9 55.1 0.9974 0.6720 0.8477 Jul-87 116.2 56.3 1.0175 0.6866 0.8653 Aug-87 115.7 59.4 1.0131 0.7244 0.8803 Sep-87 115.5 56.8 1.0114 0.6927 0.8648 Oct-87 111.0 59.3 0.9720 0.7232 0.8575 Nov-87 109.2 61.2 0.9562 0.7463 0.8597 Dec-87 109.6 58.1 0.9597 0.7085 0.8442 Jan-88 108.8 54.8 0.9527 0.6683 0.8219 Feb-88 109.0 51.5 0.9545 0.6280 0.8043 Mar-88 109.0 49.7 0.9545 0.6061 0.7942 Apr-88 109.1 53.3 0.9553 0.6500 0.8149 May-88 108.9 54.3 0.9536 0.6622 0.8195 Jun-88 117.2 50.6 1.0263 0.6171 0.8380 Jul-88 118.2 46.9 1.0350 0.5720 0.8220 Aug-88 118.3 46.8 1.0359 0.5707 0.8219 Sep-88 118.5 45.9 1.0377 0.5598 0.8178 Oct-88 114.2 42.3 1.0000 0.5159 0.7773 Nov-88 109.2 47.2 0.9562 0.5756 0.7811 Dec-88 110.5 50.6 0.9676 0.6171 0.8064 Jan-89 112.0 54.9 0.9807 0.6695 0.8376 Feb-89 112.0 54.0 0.9807 0.6585 0.8325 Mar-89 112.3 57.3 0.9834 0.6988 0.8525 Apr-89 112.4 61.5 0.9842 0.7500 0.8765 May-89 113.6 57.5 0.9947 0.7012 0.8597 Jun-89 119.8 53.3 1.0490 0.6500 0.8655 Jul-89 122.2 52.7 1.0701 0.6427 0.8735 Aug-89 122.4 53.5 1.0718 0.6524 0.8789 Page 1

Development of E Component Enclosure 2 PG&E Letter HBL-05-008 Calculation of Energy Escalation Factor - REFERENCE NUREG-1307, REVISION 10, SECTION 3.2 Using Regional Indices SERIES ID: WPU0573 Light Fuel Oils (as of 03/05105) and WPU0543 Industrial Electric Power (as of 03105/05)

REBASED TO 1986 = 100 PPI for Fuels & PPI for Light PPI for Fuels & PPI for Light Energy Escalation Related Products Fuel Oils Related Products Fuel Oils Factor (E)

(1982 = 100) (1982=100) (1986 = 100) (1986=100) for BWR (P) =Industrial Energy Power (F) = Light Fuel Oils (P) =Industrial Energy Power (F) = Light Fuel Oils (Humboldt)

BWR wt = 0.54 BWR wt = 0.46 Sep-89 122.5 59.3 1.0727 0.7232 0.9119 Oct-89 117.2 64.0 1.0263 0.7805 0.9132 Nov-89 113.5 64.4 0.9939 0.7854 0.8980 Dec-89 114.2 68.1 1.0000 0.8305 0.9220 Jan-90 114.9 85.3 1.0061 1.0402 1.0218 Feb-90 115.0 59.4 1.0070 0.7244 0.8770 Mar-90 115.4 60.4 1.0105 0.7366 0.8845 Apr-90 115.1 61.0 1.0079 0.7439 0.8865 May-90 117.0 58.4 1.0245 0.7122 0.8808 Jun-90 123.9 53.0 1.0849 0.6463 0.8832 Jul-90 124.4 51.6 1.0893 0.6293 0.8777 Aug-90 124.6 72.3 1.0911 0.8817 0.9948 Sep-90 125.0 87.3 1.0946 1.0646 1.0808 Oct-90 121.2 104.8 1.0613 1.2780 1.1610 Nov-90 120.2 98.9 1.0525 1.2061 1.1232 Dec-90 118.9 89.3 1.0412 1.0890 1.0632 Jan-91 124.2 82.9 1.0876 1.0110 1.0523 Feb-91 124.3 74.3 1.0884 0.9061 1.0046 Mar-91 124.3 61.6 1.0884 0.7512 0.9333 Apr-91 124.7 60.0 1.0919 0.7317 0.9262 May-91 128.2 59.6 1.1226 0.7268 0.9405 Jun-91 132.6 57.6 1.1611 0.7024 0.9501 Jul-91 134.5 58.1 1.1778 0.7085 0.9619 Aug-91 133.8 62.1 1.1716 0.7573 0.9810 Sep-91 133.8 65.4 1.1716 0.7976 0.9996 Oct-91 128.3 67.6 1.1235 0.8244 0.9859 Nov-91 123.1 71.0 1.0779 0.8659 0.9804 Dec-91 125.1 62.2 1.0954 0.7585 0.9405 Jan-92 125.9 54.4 1.1025 0.6634 0.9005 Feb-92 125.3 57.3 1.0972 0.6988 0.9139 Mar-92 125.8 56.0 1.1016 0.6829 0.9090 Apr-92 124.8 59.0 1.0928 0.7195 0.9211 May-92 128.5 62.1 1.1252 0.7573 0.9560 Jun-92 134.8 65.4 1.1804 0.7976 1.0043 Jul-92 135.6 64.6 1.1874 0.7878 1.0036 Aug-92 135.1 63.3 1.1830 0.7720 0.9939 Sep-92 135.9 65.6 1.1900 0.8000 1.0106 Oct-92 131.2 68.2 1.1489 0.8317 1.0030 Nov-92 125.5 64.2 1.0989 0.7829 0.9536 Dec-92 126.7 59.4 1.1095 0.7244 0.9323 Jan-93 127.1 59.0 1.1130 0.7195 0.9320 Feb-93 126.4 60.4 1.1068 0.7366 0.9365 Mar-93 126.7 63.2 1.1095 0.7707 0.9536 Apr-93 126.8 62.4 1.1103 0.7610 0.9496 May-93 127.5 62.6 1.1165 0.7634 0.9541 Jun-93 136.9 60.8 1.1988 0.7415 0.9884 Page 2

Development of E Component Enclosure 2 PG&E Letter HBL-05-008 Calculation of Energy Escalation Factor- REFERENCE NUREG-1307, REVISION 10, SECTION 3.2 Using Regional Indices SERIES ID: WPU0573 Light Fuel Oils (as of 03/05/05) and WPU0543 Industrial Electric Power (as of 03/05/05)

REBASED TO 1986 = 100 PPI for Fuels & PPI for Light PPI for Fuels & PPI for Light Energy Escalation Related Products Fuel Oils Related Products Fuel Oils Factor (E)

(1982 = 100) (1982=100) (1986 = 100) (1986=100) for BWR (P) =Industrial Energy Power (F) = Light Fuel Oils (P) =Industrial Energy Power (F) = Light Fuel Oils (Humboldt)

BWR wt = 0.54 BWR wt = 0.46 Jul-93 137.1 57.0 1.2005 0.6951 0.9680 Aug-93 137.2 54.4 1.2014 0.6634 0.9539 Sep-93 137.6 59.3 1.2049 0.7232 0.9833 Oct-93 131.9 65.4 1.1550 0.7976 0.9906 Nov-93 126.3 61.6 1.1060 0.7512 0.9428 Dec-93 126.0 51.4 1.1033 0.6268 0.8841 Jan-94 126.2 51.5 1.1051 0.6280 0.8856 Feb-94 125.9 57.5 1.1025 0.7012 0.9179 Mar-94 125.8 56.2 1.1016 0.6854 0.9101 Apr-94 125.4 54.7 1.0981 0.6671 0.8998 May-94 126.0 54.7 1.1033 0.6671 0.9027 Jun-94 133.5 54.1 1.1690 0.6598 0.9347 Jul-94 134.5 56.3 1.1778 0.6866 0.9518 Aug-94 134.5 57.5 1.1778 0.7012 0.9586 Sep-94 134.9 57.7 1.1813 0.7037 0.9616 Oct-94 129.1 57.7 1.1305 0.7037 0.9341 Nov-94 127.0 58.8 1.1121 0.7171 0.9304 Dec-94 127.4 54.7 1.1156 0.6671 0.9093 Jan-95 127.6 54.7 1.1173 0.6671 0.9102 Feb-95 128.0 53.3 1.1208 0.6500 0.9043 Mar-95 128.3 54.3 1.1235 0.6622 0.9113 Apr-95 126.4 57.1 1.1068 0.6963 0.9180 May-95 130.2 59.1 1.1401 0.7207 0.9472 Jun-95 135.3 55.8 1.1848 0.6805 0.9528 Jul-95 136.6 53.5 1.1961 0.6524 0.9460 Aug-95 136.5 55.6 1.1953 0.6780 0.9573 Sep-95 133.7 58.2 1.1708 0.7098 0.9587 Oct-95 131.4 57.8 1.1506 0.7049 0.9456 Nov-95 127.6 59.5 1.1173 0.7256 0.9371 Dec-95 127.7 60.6 1.1182 0.7390 0.9438 Jan-96 127.9 62.6 1.1200 0.7634 0.9560 Feb-96 127.1 59.7 1.1130 0.7280 0.9359 Mar-96 127.8 63.5 1.1191 0.7744 0.9605 Apr-96 129.1 74.7 1.1305 0.9110 1.0295 May-96 135.0 72.0 1.1821 0.8780 1.0423 Jun-96 137.5 62.8 1.2040 0.7659 1.0025 Jul-96 136.0 64.3 1.1909 0.7841 1.0038 Aug-96 136.2 66.5 1.1926 0.8110 1.0171 Sep-96 136.2 73.4 1.1926 0.8951 1.0558 Oct-96 131.2 79.7 1.1489 0.9720 1.0675 Nov-96 127.1 76.5 1.1130 0.9329 1.0301 Dec-96 127.7 76.1 1.1182 0.9280 1.0307 Jan-97 128.3 73.7 1.1235 0.8988 1.0201 Feb-97 128.1 72.3 1.1217 0.8817 1.0113 Mar-97 128.2 65.2 1.1226 0.7951 0.9720 Apr-97 127.3 65.3 1.1147 0.7963 0.9683 Page 3

Development of E Component Enclosure 2 PG&E Letter HBL-05-008 Calculation of Energy Escalation Factor- REFERENCE NUREG-1307, REVISION 10, SECTION 3.2 Using Regional Indices SERIES ID: WPU0573 Light Fuel Oils (as of 03/05/05) and WPU0543 Industrial Electric Power (as of 03/05/05)

REBASED TO 1986 = 100 PPI for Fuels & PPI for Light PPI for Fuels & PPI for Light Energy Escalation Related Products Fuel Oils Related Products Fuel Oils Factor (E)

(1982 = 100) (1982=100) (1986 = 100) (1986=100) for BWR (P) =Industrial Energy Power (F) = Light Fuel Oils (P) =Industrial Energy Power (F) = Light Fuel Oils (Humboldt)

BWR wt = 0.54 BWR wt = 0.46 May-97 129.7 64.2 1.1357 0.7829 0.9734 Jun-97 135.1 60.8 1.1830 0.7415 0.9799 Jul-97 135.9 57.8 1.1900 0.7049 0.9669 Aug-97 134.7 61.5 1.1795 0.7500 0.9819 Sep-97 136.0 60.4 1.1909 0.7366 0.9819 Oct-97 130.1 64.8 1.1392 0.7902 0.9787 Nov-97 127.9 65.8 1.1200 0.8024 0.9739 Dec-97 128.3 59.4 1.1235 0.7244 0.9399 Jan-98 127.4 54.1 1.1156 0.6598 0.9059 Feb-98 127.2 52.0 1.1138 0.6341 0.8932 Mar-98 126.7 48.3 1.1095 0.5890 0.8701 Apr-98 126.4 50.2 1.1068 0.6122 0.8793 May-98 129.2 50.0 1.1313 0.6098 0.8914 Jun-98 133.8 46.3 1.1716 0.5646 0.8924 Jul-98 134.8 45.0 1.1804 0.5488 0.8898 Aug-98 135.2 44.0 1.1839 0.5366 0.8861 Sep-98 135.2 48.3 1.1839 0.5890 0.9103 Oct-98 130.4 47.4 1.1419 0.5780 0.8825 Nov-98 127.6 46.2 1.1173 0.5634 0.8625 Dec-98 126.6 38.8 1.1086 0.4732 0.8163 Jan-99 126.1 40.9 1.1042 0.4988 0.8257 Feb-99 125.5 38.2 1.0989 0.4659 0.8077 Mar-99 125.5 42.8 1.0989 0.5220 0.8335 Apr-99 125.2 52.5 1.0963 0.6402 0.8865 May-99 127.4 52.6 1.1156 0.6415 0.8975 Jun-99 131.0 52.4 1.1471 0.6390 0.9134 Jul-99 133.9 58.7 1.1725 0.7159 0.9624 Aug-99 133.9 63 1.1725 0.7683 0.9866 Sep-99 134.1 67.6 1.1743 0.8244 1.0133 Oct-99 129.5 65.5 1.1340 0.7988 0.9798 Nov-99 127.5 71.3 1.1165 0.8695 1.0029 Dec-99 126.5 72.9 1.1077 0.8890 1.0071 Jan-00 126.8 75.3 1.1103 0.9183 1.0220 Feb-00 126.7 87.9 1.1095 1.0720 1.0922 Mar-00 126.7 89.7 1.1095 1.0939 1.1023 Apr-00 126.8 83.1 1.1103 1.0134 1.0658 May-00 128.6 82.9 1.1261 1.0110 1.0731 Jun-00 133.6 86.2 1.1699 1.0512 1.1153 Jul-00 136.2 88.7 1.1926 1.0817 1.1416 Aug-00 137.4 91.6 1.2032 1.1171 1.1636 Sep-00 137.8 110.1 1.2067 1.3427 1.2692 Oct-00 134.1 108.6 1.1743 1.3244 1.2433 Nov-00 130.9 108.4 1.1462 1.3220 1.2271 Dec-00 132.7 100.6 1.1620 1.2268 1.1918 Jan-01 136.4 96.1 1.1944 1.1720 1.1841 Feb-01 136.4 91.6 1.1944 1.1171 1.1588 Page 4

Development of E Component Enclosure 2 PG&E Letter HBL-05-008 Calculation of Energy Escalation Factor- REFERENCE NUREG-1307, REVISION 10, SECTION 3.2 Using Regional Indices SERIES ID: WPU0573 Light Fuel Oils (as of 03/05/05) and WPU0543 Industrial Electric Power (as of 03/05/05)

REBASED TO 1986 = 100 PPI for Fuels & PPI for Light PPI for Fuels & PPI for Light Energy Escalation Related Products Fuel Oils Related Products Fuel Oils Factor (E)

(1982 = 100) (1982=100) (1986 = 100) (1986=100) for BWR (P) =Industrial Energy Power (F) = Light Fuel Oils (P) =Industrial Energy Power (F) = Light Fuel Oils (Humboldt)

BWR wt = 0.54 BWR wt = 0.46 Mar-01 136.5 83.1 1.1953 1.0134 1.1116 Apr-01 135.1 86.2 1.1830 1.0512 1.1224 May-01 136.2 94.2 1.1926 1.1488 1.1725 Jun-01 148.4 90.2 1.2995 1.1000 1.2077 Jul-01 149.5 81.3 1.3091 0.9915 1.1630 Aug-01 148.9 83.2 1.3039 1.0146 1.1708 Sep-01 148.2 93 1.2977 1.1341 1.2225 Oct-01 143.8 76.8 1.2592 0.9366 1.1108 Nov-01 137.3 70.5 1.2023 0.8598 1.0447 Dec-01 136.9 56.6 1.1988 0.6902 0.9649 Jan-02 136.3 58.3 1.1935 0.7110 0.9715 Feb-02 135.4 59.6 1.1856 0.7268 0.9746 Mar-02 135.7 69.1 1.1883 0.8427 1.0293 Apr-02 135.4 76.4 1.1856 0.9317 1.0688 May-02 137.9 75 1.2075 0.9146 1.0728 Jun-02 143.6 71.4 1.2574 0.8707 1.0796 Jul-02 144.9 75.5 1.2688 0.9207 1.1087 Aug-02 145.0 77.9 1.2697 0.9500 1.1226 Sep-02 145.8 89.5 1.2767 1.0915 1.1915 Oct-02 140.0 95.1 1.2259 1.1598 1.1955 Nov-02 139.5 82.8 1.2215 1.0098 1.1241 Dec-02 139.6 84.6 1.2224 1.0317 1.1347 Jan-03 140.3 95.7 1.2285 1.1671 1.2003 Feb-03 140.6 120.4 1.2312 1.4683 1.3402 Mar-03 143.3 128.9 1.2548 1.5720 1.4007 Apr-03 144.3 98.3 1.2636 1.1988 1.2338 May-03 145.1 85.5 1.2706 1.0427 1.1657 Jun-03 148.3 87.2 1.2986 1.0634 1.1904 Jul-03 151.6 90.1 1.3275 1.0988 1.2223 Aug-03 151.3 94.1 1.3249 1.1476 1.2433 Sep-03 152.0 88.2 1.3310 1.0756 1.2135 Oct-03 147.4 97.8 1.2907 1.1927 1.2456 Nov-03 142.7 93.0 1.2496 1.1341 1.1965 Dec-03 142.9 95.8 1.2513 1.1683 1.2131 Jan-04 143.1 106.8 1.2531 1.3024 1.2758 Feb-04 143.1 100.8 1.2531 1.2293 1.2421 Mar-04 143.1 107.8 1.2531 1.3146 1.2814 Apr-04 143.1 115.2 1.2531 1.4049 1.3229 May-04 144.2 116 1.2627 1.4146 1.3326 Jun-04 152.4 111.5 1.3345 1.3598 1.3461 Jul-04 152.2 119.3 1.3327 1.4549 1.3889 Aug-04 154.0 131.1 1.3485 1.5988 1.4636 Sep-04 154.0 136.8 1.3485 1.6683 1.4956 Oct-04 146.2 161.7 1.2802 1.9720 1.5984 Nov-04 146.5 153.6 1.2828 1.8732 1.5544 Dec-04 147.9 133.4 1.2951 1.6268 1.4477 Page 5

Development of E Component Enclosure 2 PG&E Letter HBL-05-008 Calculation of Energy Escalation Factor- REFERENCE NUREG-1307, REVISION 10, SECTION 3.2 Using Regional Indices SERIES ID: WPU0573 Light Fuel Oils (as of 03/05/05) and WPU0543 Industrial Electric Power (as of 03/05/05)

REBASED TO 1986 = 100 PPI for Fuels & PPI for Light PPI for Fuels & PPI for Light Energy Escalation Related Products Fuel Oils Related Products Fuel Oils Factor (E)

(1982 = 100) (1982=100) (1986 = 100) (1986=100) for BWR (P) =Industrial Energy Power (F) = Light Fuel Oils (P) =Industrial Energy Power (F) = Light Fuel Oils (Humboldt)

BWR wt = 0.54 BWR wt = 0.46 Jan-05 150.6 138.5 1.3187 1.6890 1.4891 Oct 04 through Jan 05 are Preliminary Values from PPI Indices Page 6

Enclosure 3 PG&E Letter HBL-05-008 Humboldt Bay Power Plant Unit 3 Decommissioning Cost Estimate

Enclosure 4 PG&E Letter HBL-05-008 Humboldt Bay Power Plant Unit 3 Decommissioning Cash Flow (Estimated in 2005 Dollars)

Humboldt Bay Power Plant Unit 3 Enclosure 4 Decommissioning Cash Flow (Note 1) PG&E Letter HBL-05-008 (Estimated in 2005 Dollars)

ISFSI Engr/License Non-NRC Construction Cummulative Trust Account NRC Scope Scope (Non- Operation Decommission Funding (Radiological) Radiological) (Note 1) Total Estimate (Note 2)

Year 1996 $1,678,452 $1,678,452 $1,678,452 1997 $8,663,216 $8,663,216 $10,341,669 1998 $5,573,757 $344,408 $5,918,165 $16,259,834 1999 $723,490 $2,281,454 $3,004,944 $19,264,778 2000 $85,241 $2,736,091 $2,821,331 $22,086,109 2001 $89,543 $398,012 $487,555 $22,573,664 2002 $994,127 $113,704 $1,107,831 $23,681,495 2003 $494,838 $2,539,476 $3,034,313 $26,715,809 2004 $491,069 $1,444,629 $1,935,698 $28,651,507 $27,348,074 2005 $1,515,149 $5,039,826 $6,554,975 $35,206,481 $295,677,940 2006 $23,902,774 $2,730,300 $26,633,074 $61,839,555 2007 $52,267,399 $598,690 $15,782,100 $68,648,189 $130,487,743 2008 $63,130,491 $312,360 $10,250,000 $73,692,851 $204,180,594 2009 $57,639,384 $312,360 $4,590,000 $62,541,744 $266,722,338 2010 $62,685,351 $312,360 $2,640,000 $65,637,711 $332,360,049 $323,026,014 2011 $8,725,166 $1,992,857 $2,430,000 $13,148,022 $345,508,071 2012 $7,079,401 $2,430,000 $9,509,401 $355,017,472 2013 $2,430,000 $2,430,000 $357,447,472 2014 $2,430,000 $2,430,000 $359,877,472 2015 $7,390,000 $7,390,000 $367,267,472 2016 $0 $367,267,472 2017 $0 $367,267,472 2018 $0 $367,267,472 2019 $0 $367,267,472 2020 $0 $367,267,472 TOTAL $295,738,845 $3,528,627 $68,000,000 $367,267,472 Notes:

1) Cash Flow is based on construction of ISFSI and Fuel removed from HBPP in 2015 (DOE Repository opens in 2010)
2) Trust Account Value of $284 million is Expense Equivalent Liquidation Value (Includes Tax Break)

Market Value of Trust as of 12/04 was $252.9 million, expended as of 12/04 was $27.348 million

3) Assumes CPUC recommendation of burial costs of $200/cf for LLRW in Decision 03-10-014
4) Assumes CPUC recommendation of 25% contingency in Decision 03-10-014 1
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