HBL-08-007, Decommissioning Funding Report

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Decommissioning Funding Report
ML080990554
Person / Time
Site: Humboldt Bay
Issue date: 03/31/2008
From: Conway J
Pacific Gas & Electric Co
To:
Document Control Desk, NRC/FSME
References
HBL-08-007, OP-DPR-7
Download: ML080990554 (32)
v • d • e


Text

PacificGasand Electric Corpny John T. Conway Diablo Canyon Power Plant Senior Vice President & P.0. Box 56 Chief Nuclear Officer Avila Beach, CA 93424 805.545.3333 March 31, 2008 , Fax: 805.545.6445 PG&E Letter HBL-08-007 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Docket No. 50-133, OP-DPR-7 Humboldt Bay Power Plant Unit 3 Decommissioning Funding Report for Humboldt Bay Power Plant Unit 3

Dear Commissioners and Staff:

Pacific Gas and Electric Company (PG&E) is submitting the Decommissioning Funding 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 2007, the market value of the HBPP Unit 3 (220 MWt) decommissioning trust funds was 316.8 million dollars. PG&E estimates an additional 35.745 million dollars (future nominal dollars) will need to be collected over 3 years beginning in 2007 to coincide with decommissioning of HBPP Unit 3 beginning in 2009 based on a site-specific decommissioning cost estimate prepared by TLG Services, Inc., and adjusted per the Nuclear Decommissioning Cost Triennial Proceeding (NDCTP) Decision 07-01-003 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.

The market value of the HBPP trust is lower than the minimum amount of the NRC decommissioning estimate of 590.9 million dollars (2008 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 beginning in 2009, and maintaining the spent fuel in an ISFSI at HBPP until 2015, based on a site-specific decommissioning cost estimate prepared by TLG Services, Inc. and the CPUC Decision 07-01-003.

Document Control Desk PG&E Letter HBL-08-007 March 31, 2008 Page 2 Supporting Cost Estimates Based on site-specific cost estimates prepared by TLG Services, Inc., and adjustments as a result of the NDCTP Decision 07-01-003, PG&E has estimated that the decommissioning costs are approximately 369.7 million dollars (including 24.5 million dollars disbursed from the Trust[s] through December 2007, and 345.2 million dollars future radiological removal costs) for HBPP Unit 3 in 2008 dollars. These costs do not include site restoration of the facilities (6.5 million dollars) nor spent fuel management until 2015 (86.9 million dollars).

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 Nuclear Energy Institute (NEI) and the NRC. provides information on the escalation of the required decommissioning funding amounts from 1986 dollars to 2008 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 12, the information includes escalation factors for energy, labor, and waste burial costs. is Appendix D from the TLG Services, Inc. Decommissioning Cost Estimate Report prepared in October 2005 for PG&E for HBPP Unit 3. The TLG Services, Inc. cost estimate has then been adjusted to reflect the costs in 2008 dollars per CPUC Decision 07-01-003 by applying the escalation factors; adjusting the burial costs of Class A Low Level Radioactive Waste from 140 dollars per cubic foot to 248 dollars per cubic foot; and revising the contingency to 25 percent. The report provides cost estimates for decommissioning of both the nuclear and non-nuclear facilities, including the ISFSI. is a cash flow of the total decommissioning of HBPP that identifies the monies for NRC scope (removal of radiological contamination), site restoration (including the nonradiological work), and the spent fuel management.

Previous submittals have included the TLG Services, Inc Decommissioning Cost Estimate Report prepared in October 2005 for PG&E for the HBPP Unit 3. This report provided in HBL-07-002, "Decommissioning Funding Report for Humboldt

Document Control Desk PG&E Letter HBL-08-007 March 31, 2008 Page 3 Bay Power Plant Unit 3," has not changed, therefore PG&E is not including the report in this submittal. Should the NRC need a copy of this report, please contact Bob Kapus at (707) 444-0810.

There are no regulatory commitments in this letter.

Should you have any questions in regard to this document please feel free to contact Bob Kapus at the number listed above.

Sincerely, Jn T. Conway Senior Vice President & Chief Nuclear Officer Enclosures cc/enc: Elmo E. Collins, Jr.

John B. Hickman INPO PG Fossil Gen HBPP Humboldt Distribution

Enclosure 1 PG&E Letter HBL-08-007 NRC Decommissioning Funding Status Report Humboldt Bay Power Plant - Unit 3 (220 MWt)

(2 pages)

Enclosure 1 PG&E Letter HBL-08-007 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 2008 dollars $ 590.9 (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 2007 dollars) $ 316.8

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 $ 35.745 Number of years to collect beginning in 2007 3 years Annual amount to be collected $11.915

  • 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-08-007

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 2006 5.39 percent Rate of Return on Qualified Trust 2007 4.98 percent Rate of Return on Qualified Trust 2008 4.80 percent Rate of Return on Qualified Trust 2009 4.31 percent Rate of Return on Qualified Trust (2010-2015) 4.13 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 $11.915 million to be collected beginning in 2007 for a 3-year period in Decision 07-01-003 dated January 11, 2007
7. Any material changes to trust agreements. NONE
8. CPUC Submittal in 2008 Dollars in Millions:

Total Project (Decommission 2009) $ 463.1 Scope Excluded from NRC calculations $ 6.5 Scope of ISFSI from Licensing to Decommissioning in 2015 $ 62.5 Scope Decommissioned and disbursed from Trust(s) $ 48.8 Total NRC Decommissioning Remaining Scope $ 345.3 2

Enclosure 2 PG&E Letter HBL-08-007 Calculation of Energy Escalation Factor Reference NUREG-1307, Revision 12, Section 3.2 (15 pages)

2008 Decommisioning Estimate Enclosure 2 PG&E Letter HBL-08-007 Nuclear Regulatory Commission Estimate of Decommission Costs for BWR In 2008 HBPP BWR (millions)

Jan 1986 Estimate 114.8 (Table 2.1 in NUREG 1307 Rev 12 Escalated to 1999 128.9 has no value for 1999 Burial)

Escalated to 2000 400.2 ($360.9 in 2000 Submittal)

Escalated to 2001 412.4 ($425.3 in 2001 Submittal)

Escalated to 2002 418.1 ($445.6 in 2002 Submittal)

Escalated to 2003 437.3 ($430.1 in 2003 Submittal)

Escalated to 2004 454.5 ($439.6 in 2004 Submittal)

Escalated to 2005 485.7 ($453.2 in 2005 Submittal)

Escalated to 2006 519.2 ($494.3 in 2006 Submittal)

Escalated to 2007 549.8 ($548.6 in 2007 Submittal)

Escalated to 2008 590.9 Jan 1986 based on 10 CFR 50.75 (c) Table of minimum amounts BWR based on minimum 1200 MWt = ($104 + (.009xMWt)) million per unit where BWR less than 1200 MWt use P=1200 MWt, HBPP 220 MWt Page 1

I Composite Escalation Enclosure 2 PG&E Letter HBL-08-007 Calculating Overall Escalation Rate BWR Jan-86 Jan-99 Jan-00 Jan-01 Jan-02 Jan-03 Jan-04 Jan-05 Jan-06 Jan-07 Jan-08 Weight (1)

L (Labor) 1.0000 1.5624 1.6370 1.7183 1.7862 1.8630 1.9521 2.0200 2.0724 2.1465 2.2104 0.65 E (Energy) 1.0000 0.8257 1.0220 1.1841 0.9715 1.2003 1.2131 1.4810 1.8656 1.8226 2.4051 0.13 B (Burial) 1.0000 0.0000 10.4061 10.5540 10.7015 11.0993 11.5119 12.3889 13.3331 14.3491 15.4427 0.22 (1) from NUREG 1307 Revision 12, Report on Waste Burial Charges, Section 2 Summary, Page 3 ... where A, B, and C are the fractions of the total 1986 dollar costs that are attributable to labor (0.65), energy (0.13), and burial (0.22), respectively, and sum to 1.0.

(2) Jan-01, Jan-03, Jan-05, Jan-07 and Jan-08 B (Burial) value in this table see calculation notes in Development of B Component spreadsheet BWR Combined Escalation Ratefor:

Jan-86 Jan-99 Jan-00 Jan-01 Jan-02 Jan-03 Jan-04 Jan-05 Jan-06 Jan-07 Jan-08 1.0000 1.1229 3.4862 3.5927 3.6417 3.8088 3.9592 4.2311 4.5229 4.7890 5.1468 Page 2

I Development of E Component Enclosure 2 PG&E Letter HBL-08-007 Calculation of Energy Escalation Factor - REFERENCE NUREG-1 307, REVISION 12, SECTION 3.2 Using Regional Indices SERIES ID: WPU0573 Light Fuel Oils (as of 03/03/08) and WPU0543 Industrial Electric Power (as of 03/03/08)

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 Pover (F) = Light Fuel Oils (P) =Industrial Energy Power (F) = Light Fuel Oils (Humboldt)

BWR wt= 0.54 BWR wt 0.46 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-87 110.3 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 Sep-89 122.5 59.3 1.0727 0.7232 0.9119 Oct-89 117.2 64.0 1.0263 0.7805 0.9132 Page 3

Development of E Component Enclosure 2 PG&E Letter HBL-08-007 Calculation of Energy Escalation Factor- REFERENCE NUREG-1307, REVISION 12, SECTION 3.2 Using Regional Indices SERIES ID: WPU0573 Light Fuel Oils (as of 03/03/08) and WPU0543 Industrial Electric Power (as of 03/03/08)

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 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 Jul-93 137.1 57.0 1.2005 0.6951 0.9680 Aug-93 137.2 54.4 1.2014 0.6634 0.9539 Page 4

Development of E Component Enclosure 2 PG&E Letter HBL-08-007 Calculation of Energy Escalation Factor - REFERENCE NUREG-1307, REVISION 12, SECTION 3.2 Using Regional Indices SERIES ID: WPU0573 Light Fuel Oils (as of 03/03/08) and WPU0543 Industrial Electric Power (as of 03/03/08)

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-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 1.1566 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 May-97 129.7 64.2 1.1357 0.7829 0.9734 Jun-97 135.1 60.8 1.1830 0.7415 0.9799 Page 5

Development of E Component Enclosure 2 PG&E Letter HBL-08-007 Calculation of Energy Escalation Factor - REFERENCE NUREG-1307, REVISION 12, SECTION 3.2 Using Regional Indices SERIES ID: WPU0573 Light Fuel Oils (as of 03/03/08) and WPU0543 Industrial Electric Power (as of 03/03/08)

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-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 Mar-01 136.5 83.1 1.1953 1.0134 1.1116 Apr-01 135.1 86.2 1.1830 1.0512 1.1224 Page 6

Development of E Component Enclosure 2 PG&E Letter HBL-08-007 Calculation of Energy Escalation Factor - REFERENCE NUREG-1307, REVISION 12, SECTION 3.2 Using Regional Indices SERIES ID: WPU0573 Light Fuel Oils (as of 03/03/08) and WPU0543 Industrial Electric Power (as of 03/03/08)

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-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-04 145.8 161.7 1.2767 1.9720 1.5965 Nov-04 144.9 153.6 1.2688 1.8732 1.5468 Dec-04 146.2 133.8 1.2802 1.6317 1.4419 Jan-05 148.9 138.5 1.3039 1.6890 1.4810 Feb-05 148.0 146 1.2960 1.7805 1.5188 Page 7

Development of E Component Enclosure 2 PG&E Letter HBL-08-007 Calculation of Energy Escalation Factor - REFERENCE NUREG-1307, REVISION 12, SECTION 3.2 Using Regional Indices SERIES ID: WPU0573 Light Fuel Oils (as of 03/03/08) and WPU0543 Industrial Electric Power (as of 03/03/08)

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-05 148.1 169.4 1.2968 2.0659 1.6506 Apr-05 148.7 170.9 1.3021 2.0841 1.6618 May-05 151.1 165.3 1.3231 2.0159 1.6418 Jun-05 159.7 180.6 1.3984 2.2024 1.7683 Jul-05 162.1 186.2 1.4194 2.2707 1.8110 Aug-05 162.5 194.5 1.4229 2.3720 1.8595 Sep-05 162.8 209.9 1.4256 2.5598 1.9473 Oct-05 159.5 252.0 1.3967 3.0732 2.1679 Nov-05 161.1 199.1 1.4107 2.4280 1.8787 Dec-05 161.4 193.6 1.4133 2.3610 1.8492 Jan-06 167.0 191.8 1.4623 2.3390 1.8656 Feb-06 168.6 190.0 1.4764 2.3171 1.8631 Mar-06 167.4 199.2 1.4658 2.4293 1.9090 Apr-06 169.6 221.9 1.4851 2.7061 2.0468 May-06 170.8 231.4 1.4956 2.8220 2.1057 Jun-06 181.2 238.1 1.5867 2.9037 2.1925 Jul-06 181.9 231.6 1.5928 2.8244 2.1593 Aug-06 180.2 241.4 1.5779 2.9439 2.2063 Sep-06 181.0 203.1 1.5849 2.4768 1.9952 Oct-06 171.2 198.1 1.4991 2.4159 1.9208 Nov-06 167.2 198.2 1.4641 2.4171 1.9025 Dec-06 167.8 200.4 1.4694 2.4439 1.9176 Jan-07 171.9 180.0 1.5053 2.1951. 1.8226 Feb-07 175.7 191.5 1.5385 2.3354 1.9051 Mar-07 172.1 215.1 1.5070 2.6232 2.0204 Apr-07 173.1 231.8 1.5158 2.8268 2.1189 May-07 179.2 225.3 1.5692 2.7476 2,1112 Jun-07 186.7 222.4 1.6349 2.7122 2.1304 Jul-07 187.0 237.8 1.6375 2.9000 2.2182 Aug-07 187.6 225.5 1.6427 2.7500 2.1521 Sep-07 188.4 238.9 1.6497 2.9134 2.2310 Oct-07 182.0 243.4 1.5937 2.9683 2.2260 Nov-07 182.3 288.2 1.5963 3.5146 2.4787 Dec-07 179.9 266.7 1.5753 3.2524 2.3468 Jan-08 181.8 275.5 1.5919 3.3598 2.4051 Oct 07 through Jan 08 are Preliminary Values from PPI Indices Page 8

Development of L Component Enclosure 2 PG&E Letter HBL-08-007 Calculation of Labor Escalation Factor- REFERENCE NUREG-1 307, REVISION 12, SECTION 3.1 Using Regional Indices SERIES ID: CIU20100000002401 (as of 03/03/08)

Jan '86 adjusted to reflect NUREG 1307 Rev 12 Scaling Factor for West Labor (Pg 7)

Note 1: The Base Labor factor was re-indexed in December 2005, at which time the index was reset to 100.

Employment Cost Indust West Region Labor Private Industry Escalation (1989=100) Factor Jan-86 89.8 1.00000 Feb-86 Mar-86 Apr-86 90.8 1.01114 May-86 Jun-86 Jul-86 91.2 1.01559 Aug-86 Sep-86 Oct-86 91.6 1.02004 Nov-86 Dec-86 Jan-87 92.5 1.03007 Feb-87 Mar-87 Apr-87 92.6 1.03118 May-87 Jun-87 Jul-87 93.7 1.04343 Aug-87 Sep-87 Oct-87 94.1 1.04788 Nov-87 Dec-87 Jan-88 95.4 1.06236 Feb-88 Mar-88 Apr-88 96.3 1.07238 May-88 Jun-88 Jul-88 97 1.08018 Aug-88 Sep-88 Oct-88 97.7 1.08797 Nov-88 Dec-88 Jan-89 98.8 1.10022 Feb-89.

Mar-89 Apr-89 100 1.11359 May-89 Jun-89 Jul-89 101 1.12472 Aug-89 Sep-89 Page 9

Development of L Component Enclosure 2 PG&E Letter HBL-08-007 Calculation of Labor Escalation Factor- REFERENCE NUREG-1 307, REVISION 12, SECTION 3.1 Using Regional Indices SERIES ID: CIU20100000002401 (as of 03/03/08)

Jan '86 adjusted to reflect NUREG 1307 Rev 12 Scaling Factor for West Labor (Pg 7)

Note 1: The Base Labor factor was re-indexed in December 2005, at which time the index was reset to 100.

Employment Cost Indust West Region Labor Private Industry Escalation (1989=100) Factor Oct-89 101.8 1.13363 Nov-89 Dec-89 Jan-90 103.3 1.15033 Feb-90 Mar-90 Apr-90 104.5 1.16370 May-90 Jun-90 Jul-90 105.6 1.17595 Aug-90 Sep-90 Oct-90 106.3 1.18374 Nov-90 Dec-90 Jan-91 107.5 1.19710 Feb-91 Mar-91 Apr-91 108.9 1.21269 May-91 Jun-91 Jul-91 110 1.22494 Aug-91 Sep-91 Oct-91 110.9 1.23497 Nov-91 Dec-91 Jan-92 111.9 1.24610 Feb-92 Mar-92 Apr-92 112.9 1.25724 May-92 Jun-92 Jul-92 114.1 1.27060 Aug-92 Sep-92 Oct-92 114.9 1.27951 Nov-92 Dec-92 Jan-93 116.2 1.29399 Feb-93 Mar-93 Apr-93 116.4 1.29621 May-93 Jun-93 Page 10

Development of L Component Enclosure 2 PG&E Letter HBL-08-007 Calculation of Labor Escalation Factor - REFERENCE NUREG-1307, REVISION 12, SECTION 3.1 Using Regional Indices SERIES ID: CIU20100000002401 (as of 03/03/08)

Jan '86 adjusted to reflect NUREG 1307 Rev 12 Scaling Factor for West Labor (Pg 7)

Note 1: The Base Labor factor was re-indexed in December 2005, at which time the index was reset to 100.

Employment Cost Indust West Region Labor Private Industry Escalation (1989=100) Factor Jul-93 117.8 1.31180 Aug-93 Sep-93 Oct-93 118.1 1.31514 Nov-93 Dec-93 Jan-94 119.4 1.32962 Feb-94 Mar-94 Apr-94 120.5 1.34187 May-94 Jun-94 Jul-94 121.3 1.35078 Aug-94 Sep-94 Oct-94 121.7 1.35523 Nov-94 Dec-94 Jan-95 122.6 1.36526 Feb-95 Mar-95 Apr-95 123.4 1.37416 May-95 Jun-95 Jul-95 123.9 1.37973 Aug-95 Sep-95 Oct-95 125 1.39198 Nov-95 Dec-95 Jan-96 125.9 1.40200 Feb-96 Mar-96 Apr-96 127.3 1.41759 May-96 Jun-96 Jul-96 128.3 1.42873 Aug-96 Sep-96 Oct-96 128.9 1.43541 Nov-96 Dec-96 Jan-97 130.3 1.45100 Feb-97 Mar-97 Page 11

Development of L Component Enclosure 2 PG&E Letter HBL-08-007 Calculation of Labor Escalation Factor - REFERENCE NUREG-1 307, REVISION 12, SECTION 3.1 Using Regional Indices SERIES ID: CIU20100000002401 (as of 03/03/08)

Jan '86 adjusted to reflect NUREG 1307 Rev 12 Scaling Factor for West Labor (Pg 7)

Note 1: The Base Labor factor was re-indexed in December 2005, at which time the index was reset to 100.

Employment Cost Indust West Region Labor Private Industry Escalation (1989=100) Factor Apr-97 131.4 1.46325 May-97 Jun-97 Jul-97 132.5 1.47550 Aug-97 Sep-97 Oct-97 133.4 1.48552 Nov-97 Dec-97 Jan-98 135.2 1.50557 Feb-98 Mar-98 Apr-98 136.6 1.52116 May-98 Jun-98 Jul-98 138.5 1.54232 Aug-98 Sep-98 Oct-98 140 1.55902 Nov-98 Dec-98 Jan-99 140.3 1.56236 Feb-99 Mar-99 Apr-99 142.1 1.58241 May-99 Jun-99 Jul-99 143.3 1.59577 Aug-99 Sep-99 Oct-99 144.7 1.61136 Nov-99 Dec-99 Jan-00 147 1.63697 Feb-00 Mar-00 Apr-00 148.8 1.65702 May-00 Jun-00 Jul-00 150.8 1.67929 Aug-00 Sep-00 Oct-00 151.8 1.69042 Nov-00 Dec-00 Page 12

-I Development of L Component Enclosure 2 PG&E Letter HBL-08-007 Calculation of Labor Escalation Factor - REFERENCE NUREG-1 307, REVISION 12, SECTION 3.1 Using Regional Indices SERIES ID: CIU20100000002401 (as of 03/03/08)

Jan '86 adjusted to reflect NUREG 1307 Rev 12 Scaling Factor for West Labor (Pg 7)

Note 1: The Base Labor factor was re-indexed in December 2005, at which time the index was reset to 100.

Employment Cost Indust West Region Labor Private Industry Escalation (1989=100) Factor Jan-01 154.3 1.71826 Feb-01 Mar-01 Apr-01 156 1.73719 May-01 Jun-01 Jul-01 157.6 1.75501 Aug-01 Sep-01 Oct-01 159.4 1.77506 Nov-01 Dec-01 Jan-02 160.4 1.78619 Feb-02 Feb-02 Mar-02 Apr-02 162.9 1.81403 May-02 Jun-02 Jul-02 163.8 1.82405 Aug-02 Sep-02 Oct-02 165 1.83742 Nov-02 Dec-02 Jan-03 167.3 1.86303 Feb-03 Mar-03 Apr-03 169.5 1.88753 May-03 Jun-03 Jul-03 171.4 1.90869 Aug-03 Sep-03 Oct-03 172.2 1.91759 Nov-03 Dec-03 Jan-04 175.3 1.95212 Feb-04 Mar-04 Apr-04 176.8 1.96882 May-04 Jun-04 Jul-04 178.1 1.98330 Aug-04 Page 13

Development of L Component Enclosure 2 PG&E Letter HBL-08-007 Calculation of Labor Escalation Factor - REFERENCE NUREG-1307, REVISION 12, SECTION 3.1 Using Regional Indices SERIES ID: CIU20100000002401 (as of 03/03/08)

Jan '86 adjusted to reflect NUREG 1307 Rev 12 Scaling Factor for.West Labor (Pg 7)

Note 1: The Base Labor factor was re-indexed in December 2005, at which time the index was reset to 100.

Employment Cost Indust West Region Labor Private Industry Escalation (1989=10,0) Factor Sep-04 Oct-04 179.0 1.99332 Nov-04 Dec-04 Jan-05 181.4 2.02004 Feb-05 Mar-05 Apr-05 183.3 2.04120 May-05 Jun-05 Jul-05 184 2.04900 Aug-05 Sep-05 Oct-05 (Note 1) 100 2.06000 Nov-05 Dec-05 Jan-06 100.6 2.07236 Feb-06 Mar-06 Apr-06 101.8 2.09708 May-06 Jun-06 Jul-06 102.5 2.11150 Aug-06 Sep-06 Oct-06 103 2.12180 Nov-06 Dec-06 Jan-07 104.2 2.14652 Feb-07 Mar-07 Apr-07 104.9 2.16094 May-07 Jun-07 Jul-07 105.7 2.17742 Aug-07 Sep-07 Oct-07 106.5 2.19390 Nov-07 Dec-07 Jan-08 107.3 2.21038 Jan-08 is an estimate based on the difference between Jul-07 and Oct-07 added to Oct-07 Page 14

Development of B Component Enclosure 2 PG&E Letter HBL-08-007 Development of Burial Escalation Developed from NUREG-1307 Revision 12 Table 2.1 "VALUES OF B SUB-X AS A FUNCTION OF LLW BURIAL SITE, WASTE VENDOR, AND YEAR" (Summary for non-Atlantic Compact)

BWR BWR Burial Costs Restated to (South Carolina) 1986 = 100 1986 1.561 1.0000 1987 1988 1.831 1.1730 1989 1990 1991 2.361 1.5125 1992 1993 9.434 6.0436 1994 9.794 6.2742 1995 10.42 6.6752 1996 10.379 6.6489 1997 13.837 8.8642 1998 13.948 8.9353 1999 0.0000 2000 16.244 10.4061 2001 16.474 10.5535 2002 16.705 10.7015 2003 17.326 11.0993 2004 17.970 11.5119 2005 19.339 12.3889 2006 20.813 13.3331 2007 22.399 14.3491 2008 24.106 15.4427 Table 2.1 Note ('c) From 7/1/95 through 6/30/2000 access was allowed for all states except North Carolina. Effective 7/1/2000 rates are based on whether a waste generator is or is not a member of the Atlantic Compact.

2001 has no information in NUREG-1 307 Rev 12. 2001 is an estimate that is calculated by applying the average % change between 2000 and 2002 and adding to the 2000 base 2003 has no information in NUREG-1 307 Rev 12. 2003 is an estimate that is calculated by applying the average % change between 2002 and 2004 and adding to the 2002 base 2005 has no information in NUREG-1 307 Rev 12. 2005 is an estimate that is calculated by applying the average % change between 2004 and 2006 and adding to the 2004 base.

2007 has no information in NUREG-1 307 Rev 12. 2007 is an estimate that is calculated by applying the average % change between 2004 and 2006 and adding to the 2006 base.

2008 has no information in NUREG-1 307 Rev 12. 2008 is an estimate that is calculated by applying the average % change between 2004 and 2006 and adding to the 2007 base.

Page 15

Enclosure 3 PG&E Letter HBL-08-007 Humboldt Bay Power Plant Unit 3 Decommissioning Cost Estimate (7 pages)

Humboldt Bay Power PlantUnit 3 EP& leure 3 PG&ELottS HEL-O8-007 Decommissioning CostEstimate HUMBOLDT BAY POWER PLANT UNIT 3 A CF B CF C CF OTCC

- I ~

..--. I - I --,,.o I =rc.. I M."".1a I -. I --- t.. I T.t.1 Den I R.... I P-sk I .. ,- I Pr;ocs I .. I. I Othr., I . .. Totat 3a43 183 I 83

Hum~boldtSay P~owerPlant Unit03 EnciOSure 3

PG&E Lette H9L-08-007 Deomml1lissioningCostEstimaote I I I I I A CF B CF C CF GTCC A.Wtvy 0con I Re-ov. I P-1k T,.-,.or I P-ons I LLRW Disposal I1.1 Othe Cos l90n~fe~noeI Peo ITm~oorIrO.= I =.tOII t IContanoI Total

..ot.. . . . . . . . .

183 240 U.1 1~ 1.3N5 8.626 240 ~ -

240 I -9 I ---- -423~--------------~- ' 9 736 506 423 381 2.699 14624 2,699 423 Removalof MajorE 4.121 1 An Tur I 436

Enclosure3 HumboldtBay Po.er PlantUnit 3 PG&ELetterHBL.08-007 DeoomissioningCost Estimate (NIT 3 Disoosable Waste I (Thousands of 2008 I I I 2 4 2 2 2008 2804 2804 t 2804 2804 284 02804 I 280

... ... AC. .. CF

.F . CCFCF -20 200 2008 00C PmTr p 22n, Reov P P0! M.os Pr1 n Oy 40.1.4.21 40.1.4.22 4&1.4.23 4a.1A4.24 4&1,.4,25 4.1.4.26 4.1.4.27 40 1A.420 40.1.4 29 4a1.4 31 4.14.32 40.1433 4al.4.34 4014.35 401.4.36 41A 4.37 40.1.4,30 4a.1.4.39 4a.14 40 4&t.4 41 4a. .4 42 4ant4 43 4a1.4 44 4a 14 45 4a 14A46 4a 1.4 47 4at14 48 4a 1.449 4a 14.50 4a t.4.51 4a.4 52 4a 1t4.53 4a.14 4a.1.5

, 6 4a.1 I 2,00 2.69M 423 1 Period 4.

4a 3A 77 403.2 4&333 4a3 77 Perod 4.

404.1 404.3 I .w 4.4 46 404.7 40.4.9 4a4.10 I 2.089 4,154 2.775 . 423

Humboldt Bay P-erPlant Unit 3 Enclosure3 PG&ELetterHBL-08-007 DecommissioningCast Estimate IH I I M L TI I HUMBOLDTBAY POWER PLANTUNIT 3 A I I IP I I I3

ACF B CF C CF GTCC :

I e...,,~ I e~-L I I ~ I OBoe.. F 15t~~ I ll~rrt.rrr~~ I Oei ......

Re I Pe k I .. . .. It Pros.. I DB C I Other I . .... sI . l.To 3,32_

210j. . . . . . . ...-. . .*

2 388.

6

.54 2531 5 44: 133 71 12 2331 3.964 37 2,214! 971  ! 63 70* 600 2! 143 49 27 241. 681 144i 317 i 309 69 99i 289 46: 128 891 230 1 31: 93 291 86 I 56: 190 121! 258 31 93 3141 199 so!i 601 5,645 8.447 i 1,0E 291i 1.109 i 4 5600 9.536: 9.565 1.11 I I_ _ _

8.2071 25.855 I 19 4 ,154: 22090 1,480! 6.958 3 6i0 288.

5091 1.419 14.706. 56.232 23

- ii 2281 126 . I 2 112:

7741--*-353 I 1.115: 353 126 466! 42 272' 1.411' 5,247.

382i 1.927 375-9051 I 309:

2491 1 478:

1,371 I 299:

5.036!

1569.

7,878!

25,923'"

52:173! 1.927 . 4; 77,529i 68.076 126 . 1.7E 21.697 180,48 3621 1,909 I 2.742: 14,W09 2,873! 15.793 826' 48519 6,590! 36178 4.196' 23,709

.1736. 63317

Hums~boldt Bay P-ae PlanstUnit 3 E-nIsr. 3 Decommisasionig CostEstimate, PG&ELette"HBL-05-007 (Thousands of 2004 dollars) i-i A Cr.

Disposable Waste B Cr . C. e" -OT~C.

irid Rd f- $ro 1401,fto S248/o5) ____

Adtlvty Boson I Rem-as I Pwok ITe PospotI f S. I .RWM I 1r I ot- I I. i R Im Pack Sit..

froce TesootP500.I I LLRW

o. Other I Contm-y I Total
-- 1*101~ .........

I 72.928 5.,881 I239,303-I127 127 I

244 239,9W 127 s55:

1.806 7,8241 1.806 7,824.

1,553 233 1.785!

le.43 1r 123 123 4 312.254 3.028 423

Humboldt Bay Power Plant Unit 3 Encd-ur5 3 PG&ELettsr HBL-08-007 Decommissioning Cost Estimate HUMBOLDT BAY POWER PLANT UNIT 3

-I A CF B CF C CF GTCC 2008

.- e- Pnssns O~osnt~aI r.. I..

Entgne

. ...i""-I 1

r Ttalt

... 2r2:!. . . . . .. . . . . ... . ...

R...no Pecl I Tmnsss I PrnoLs I = .ns~ m Other Cent-nc I Tot.1 20 2 22:* :1 155 1,192: 1,175 7 81" "1

17:

' 754 I54

Humboldt Bay Powsr Plant Unit3 Errcnsure3 PG&ELatterHBL-o8-0n7 Decommiasioning CostEstimate r I I P

( POWER PLANT UNIT3 I I I I i  : A CF B CF C CF GTCC PcwhIy Decon I Re.... Pa

.a c I ..... I P - .r ..... IDpal Other I C..n.. y T.... I.. ..... ... .. . .I

...... i 15.....

I i

Pak T..... I Praen I DZM' I Othe, I C.n.... I T.a..

i i 2031!

-313.4301 3.028 - 423 17i

Enclosure 4 PG&E Letter HBL-08-007 Humboldt Bay Power Plant Unit 3 Decommissioning Cash Flow (Estimated in 2008 Dollars)

(1 page)

1-Humboldt Bay Power Plant Unit 3 Enclosure 4 PG&E Letter HBL-08-007 Decommissioning Cash Flow (Note 1)

(Estimated in 2008 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 $491,070 $1,444,628 $1,935,698 $28,651,506 2005 $161,506 $1,671,769 $1,833,274 $30,484,781 2006 $1,073,611 $3,546,617 $4,620,228 $35,105,008 2007 $4,474,247 $9,240,172 $13,714,418 $48,819,426 $46,451,212 2008 $11,797,590 $23,664,390 $35,461,980 $84,281,406 $365,389,609 2009 $18,084,200 $4,875,719 $22,959,919 $107,241,325 2010 $59,834,515 $4,875,730 $54,710,245 $171,951,570 2011 $27,114,226 $4,875,730 $31,989,956 $203,941,526 2012 $21,393,683 $4,875,730 $26,269,413 $230,210,939 2013 $60,252,744 $802,267 $4,875,730 $65,930,741 $296,141,680 2014 $120,255,095 $802,267 $4,875,730 $125,933,092 $422,074,772 $411,840,821 2015 $26,533,069 $4,853,715 $4,875,730 $36,262,514 $458,337,286 2016 $4,754,698 $4,754,698 $463,091,984 2017 $0 $463,091,984 2018 $0 $463,091,984 2019 $0 $463,091,984 2020 $0 $463,091,984 TOTAL $369,768,219 $6,458,249 $86,865,516 $463,091,984 Notes:

1) Cash Flow is based on construction of ISFSI and Fuel removed from HBPP in 2015 (Assumes DOE Used Fuel Repository opens prior to 2015 allowing HBPP Fuel to be shipped by 2015)
2) Trust Account Value of $365.4 million is Expense Equivalent Liquidation Value (Includes Tax Break)

Market Value of Trust as of 12/07 was $316.8 million, expended as of 12/07 was $46.5 million

3) Assumes CPUC recommendation of burial costs of $248.46/cf for LLRW in Decision 03-10-014
4) Assumes CPUC recommendation of 25% contingency in Decision 07-01-003 1
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