HBL-12-006, Submittal of Decommissioning Funding Report

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Submittal of Decommissioning Funding Report
ML12088A006
Person / Time
Site: Humboldt Bay
Issue date: 03/21/2012
From: Conway J
Pacific Gas & Electric Co
To:
Document Control Desk, NRC/FSME
References
HBL-12-006
Download: ML12088A006 (24)
v • d • e


Text

-PacificElectricGas and Company' John Conway 77 Beale Street, B32 Senior Vice President San Francisco, CA 94105 Energy Supply and Chief Nuclear Officer 415.973.3336 Fax: 415.973.2313 Internet: jtch@pge.com March 21, 2012 PG&E Letter HBL-12-006 10 CFR 50.75 (f)

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:

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 2011, the market value of the HBPP Unit 3 (220 MWt) decommissioning trust funds was $301.8 million. PG&E estimates an additional $69.15 million (future nominal dollars) will need to be collected over three years beginning in 2010 based on a site-specific decommissioning cost estimate prepared by TLG Services, Inc. and approved by the California Public Utilities Commission (CPUC) per Decision D.10-07-047. The CPUC Application is based on an Independent Spent Fuel Storage Installation (ISFSI) that would be in operation until 2020 when all fuel would be removed from HBPP by the Department of Energy (DOE).

The market value of the HBPP trust is lower than the minimum amount of the NRC decommissioning estimate of $645.4 million (2012 dollars) that was calculated pursuant to the requirements specified in 10 CFR 50.75(c), which is based on a minimum 1200 MWt plant. This is due to $188.3 million having been spent on decommissioning activities through December 2011 and an estimate to complete of

$256.5 million for the NRC radiological scope.

PG&E is confident the HBPP trust, with the noted additional contributions, will be sufficient to ensure successful decommissioning and maintaining the spent fuel in an ISFSI at HBPP until 2020, based on a March 2009 site-specific decommissioning cost estimate prepared by TLG Services, Inc. and approved by the CPUC Decision D.10-07-047.

Supporting Cost Estimates Based on a March 2009 site-specific cost estimate prepared by TLG Services, Inc. PG&E has estimated that the decommissioning costs are approximately $562.4 million (including $188.3 million disbursed from the Trust(s) through December 2011 and $256.5 million future radiological removal costs) for HBPP Unit 3 in 2012 dollars. These costs do not include site restoration of the facilities

($2.8 million), nor spent fuel management until 2020 ($114.8 million).

! March Document Page 2 21, 2012 Control Desk PG&E Letter HBL-12-006 To assure that sufficient funds will be available for decommissioning, PG&E has established external sinking trust fund accounts for HBPP Unit 3.

Supportingq Enclosures Supporting documentation for this report is included as Enclosures 1 through 4.

Enclosure 1 provides decommissioning funding status information in a format suggested by Nuclear Energy Institute (NEI) and the NRC.

Enclosure 2 provides information on the escalation of the required decommissioning funding amounts to 2011 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 14, the information includes escalation factors for energy, labor, and waste burial costs.

Enclosure 3 is Appendix D from the TLG Services, Inc. decommissioning cost estimate report prepared in March 2009 for PG&E for HBPP Unit 3. The TLG Services, Inc. cost estimate has then been adjusted to reflect the costs in 2012 dollars per the CPUC Decision D. 10-07-047. The report provides cost estimates for decommissioning of NRC scope (radiological), non-NRC scope (non-radiological), and spent fuel management, including operation of 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), site restoration (including the non-radiological work) and the spent fuel management.

There are no regulatory commitments in this letter.

Should you have any questions in regard to this document please feel free to call Bob Kapus at (707) 444-0810.

Sincerely, way Senior Vice Presiden - gy Supply & CNO Enclosures cc/enc: Elmo E. Collins, Jr.

John B. Hickman INPO HBPP Humboldt Distribution

Enclosure 1 PG&E Letter HBL-12-006 NRC Decommissioning Funding Status Report Humboldt Bay Power Plant - Unit 3 (220 MWt)

(2 pages)

Enclosure 1 PG&E Letter HBL-12-006 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 2012 dollars $ 645.4 (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 2011 dollars) $ 301.8

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). All values below are from 2009 NDCTP filing, Final Decision D.10-07-047.

Amount remaining $69.15 Number of years to collect beginning in 2010 3 years Annual amount to be collected $ 23.05 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-12-006

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 (all values below are from the 2009 NDCTP filing).

Escalation in decommissioning costs Rate of Return on Qualified Trust 2012 3.34 percent Rate of Return on Qualified Trust 2013 2.95 percent Rate of Return on Qualified Trust (2014-2020) 2.95 percent Rate of Return on Non-Qualified Trust 2012 2.95 percent Rate of Return on Non-Qualified Trust 2013 2.95 percent Rate of Return on Non-Qualified Trust (2014-2020) 2.95 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. None
7. Any material changes to trust agreements. None
8. CPUC Submittal in 2012 Dollars in Millions:

Total Project (Decommission 2012) $ 562.4 Scope Excluded from NRC calculations $ 2.8 Scope of ISFSI from Licensing to Decommissioning in 2020 $ 114.8 Scope Decommissioned and disbursed from Trust(s) $ 188.3 Total NRC Decommissioning Remaining Scope $ 256.5 2

Enclosure 2 PG&E Letter HBL-12-006

  • 2012 Decommissioning Estimate (1 page)
  • Composite Escalation (1 page)
  • Development of E Component (3 pages)
  • Development of L Component (2 pages)

" Development of B Component (1 page)

2012 Decommisioning Estimate Enclosure 2 PG&E Letter HBL-12-006 Nuclear Regulatory Commission Estimate of Decommission Costs for Boiling Water Reactor (BWR)

In 2012 HBPP BWR

($ in millions)

Jan 1986 Estimate $114.80 (Table 2.1 in NUREG 1307 Rev 14 Escalated to 1999 128.9 has no value for 1999 Burial)

Escalated to 2000 400.2 ($360.9 in 2000 Submittal)

Escalated to 2001 354.1 ($425.3 in 2001 Submittal)

Escalated to 2002 357.4 ($445.6 in 2002 Submittal)

Escalated to 2003 373.8 ($430.1 in 2003 Submittal)

Escalated to 2004 388.0 ($439.6 in 2004 Submittal)

Escalated to 2005 416.8 ($453.2 in 2005 Submittal)

Escalated to 2006 519.2 ($494.3 in 2006 Submittal)

Escalated to 2007 550.3 ($548.6 in 2007 Submittal)

Escalated to 2008 564.4 ($590.9 in 2008 Submittal)

Escalated to 2009 574.2 ($573.8 in 2009 Submittal)

Escalated to 2010 594.5 ($596.6 in 2010 Submittal)

Escalated to 2011 618.9 ($619.0 in 2011 Submittal)

Escalated to 2012 645.4 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

Composite Escalation Enclosure 2 PG&E Letter HBL-12-006 Calculating Overall Escalation Rate BWR Dec-05 Dec-06 Dec-07 Dec-08 Dec-09 Dec-10 Dec-11 Weight (1)

L (Labor) 2.0600 2.1218 2.1939 2.2536 2.2784 2.3175 2.3711 0.65 E (Energy) 1.9106 1.9808 2.4513 1.8323 2.0402 2.3945 2.7733 0.13 B (Burial) 13.3331 14.3491 14.4164 14.9931 15.6028 16.2425 16.9085 0.22 (1) from NUREG 1307 Revision 14, 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.

BWR Combined Escalation Rate for:

Dec-07 Dec-08 Dec-09 Jan-10 Jan-11 Jan-12 4.7935 4.9163 5.0015 5.1788 5.3910 5.6ý216 Page 2

Development of E Component Enclosure 2 Enclosure 2 PG&E Letter HBL-12-006 Calculation of Energy Escalation Factor - Reference NUREG-1307, Revision 14, Section 3.2 Using Regional Indices SERIES ID: WPU0573 Light Fuel Oils (as of 02/23/12) and WPU0543 Industrial Electric Power (as of 02/23/12)

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)

(2000 = 100) (2000=100) (2000 = 100) (2000=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 Dec-99 126.5 72.9 1.0000 1.0000 1.0000 Jan-00 126.8 75.3 1.0024 1.0329 1.0164 Feb-00 126.7 87.9 1.0016 1.2058 1.0955 Mar-00 126.7 89.7 1.0016 1.2305 1.1069 Apr-00 126.8 83.1 1.0024 1.1399 1.0656 May-00 128.6 82.9 1.0166 1.1372 1.0721 Jun-00 133.6 86.2 1.0561 1.1824 1.1142 Jul-00 136.2 88.7 1.0767 1.2167 1.1411 Aug-00 137.4 91.6 1.0862 1.2565 1.1645 Sep-00 137.8 110.1 1.0893 1.5103 1.2830 Oct-00 134.1 108.6 1.0601 1.4897 1.2577 Nov-00 130.9 108.4 1.0348 1.4870 1.2428 Dec-00 132.7 100.6 1.0490 1.3800 1.2013 Jan-01 136.4 96.1 1.0783 1.3182 1.1887 Feb-01 136.4 91.6 1.0783 1.2565 1.1603 Mar-01 136.5 83.1 1.0791 1.1399 1.1070 Apr-01 135.1 86.2 1.0680 1.1824 1.1206 May-01 136.2 94.2 1.0767 1.2922 1.1758 Jun-01 148.4 90.2 1.1731 1.2373 1.2026 Jul-01 149.5 81.3 1.1818 1.1152 1.1512 Aug-01 148.9 83.2 1.1771 1.1413 1.1606 Sep-01 148.2 93 1.1715 1.2757 1.2195 Oct-01 143.8 76.8 1.1368 1.0535 1.0985 Nov-01 137.3 70.5 1.0854 0.9671 1.0310 Dec-01 136.9 56.6 1.0822 0.7764 0.9415 Jan-02 136.3 58.3 1.0775 0.7997 0.9497 Feb-02 135.4 59.6 1.0704 0.8176 0.9541 Mar-02 135.7 69.1 1.0727 0.9479 1.0153 Apr-02 135.4 76.4 1.0704 1.0480 1.0601 May-02 137.9 75 1.0901 1.0288 1.0619 Jun-02 143.6 71.4 1.1352 0.9794 1.0635 Jul-02 144.9 75.5 1.1455 1.0357 1.0950 Aug-02 145.0 77.9 1.1462 1.0686 1.1105 Sep-02 145.8 89.5 1.1526 1.2277 1.1871 Oct-02 140.0 95.1 1.1067 1.3045 1.1977 Nov-02 139.5 82.8 1.1028 1.1358 1.1180 Dec-02 139.6 84.6 1.1036 1.1605 1.1297 Jan-03 140.3 95.7 1.1091 1.3128 1.2028 Feb-03 140.6 120.4 1.1115 1.6516 1.3599 Mar-03 143.3 128.9 1.1328 1.7682 1.4251 Apr-03 144.3 98.3 1.1407 1.3484 1.2363 May-03 145.1 85.5 1.1470 1.1728 1.1589 Jun-03 148.3 87.2 1.1723 1.1962 1.1833 Jul-03 151.6 90.1 1.1984 1.2359 1.2157 Aug-03 151.3 94.1 1,1960 1.2908 1.2396 Sep-03 152.0 88.2 1.2016 1.2099 1.2054 Oct-03 147.4 97.8 1.1652 1.3416 1.2463 Nov-03 142.7 -93.0 1.1281 1.2757 1.1960 Dec-03 142.9 95.8 1.1296 1.3141 1.2145 Page 3

Development of E Component Enclosure 2 Enclosure 2 PG&E Letter HBL-12-006 Calculation of Energy Escalation Factor - Reference NUREG-1307, Revision 14, Section 3.2 Using Regional Indices SERIES ID: WPU0573 Light Fuel Oils (as of 02/23/12) and WPU0543 Industrial Electric Power (as of 02/23/12)

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)

(2000 = 100) (2000=100) (2000 = 100) (2000=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-04 143.1 106.8 1.1312 1.4650 1.2848 Feb-04 143.1 100.8 1.1312 1.3827 1.2469 Mar-04 143.1 107.8 1.1312 1.4787 1.2911 Apr-04 143.1 115.2 1.1312 1.5802 1.3378 May-04 144.2 116 1.1399 1.5912 1.3475 Jun-04 152.4 111.5 1.2047 1.5295 1.3541 Jul-04 152.2 119.3 1.2032 1.6365 1.4025 Aug-04 154.0 131.1 1.2174 1.7984 1.4846 Sep-04 154.0 136.8 1.2174 1.8765 1.5206 Oct-04 145.8 161.7 1.1526 2.2181 1.6427 Nov-04 144.9 153.6 1.1455 2.1070 1.5878 Dec-04 146.2 133.8 1.1557 1.8354 1.4684 Jan-05 148.9 138.5 1.1771 1.8999 1.5096 Feb-05 148.0 146 1.1700 2.0027 1.5530 Mar-05 148.1 169.4 1.1708 2.3237 1.7011 Apr-05 148.7 170.9 1.1755 2.3443 1.7131 May-05 151.1 165.3 1.1945 2.2675 1.6881 Jun-05 159.7 180.6 1.2625 2.4774 1.8213 Jul-05 162.1 186.2 1.2814 2.5542 1.8669 Aug-05 162.5 194.5 1.2846 2.6680 1.9210 Sep-05 162.8 209.9 1.2870 2.8793 2.0194 Oct-05 159.5 252.0 1.2609 3.4568 2.2710 Nov-05 161.1 199.1 1.2735 2.7311 1.9440 Dec-05 161.4 193.6 1.2759 2.6557 1.9106 Jan-06 167.0 191.8 1.3202 2.6310 1.9231 Feb-06 168.6 190.0 1.3328 2.6063 1.9186 Mar-06 167.4 199.2 1.3233 2.7325 1.9715 Apr-06 169.6 221.9 1.3407 3.0439 2.1242 May-06 170.8 231.4 1.3502 3.1742 2.1892 Jun-06 181.2 238.1 1.4324 3.2661 2.2759 Jul-06 181.9 231.6 1.4379 3.1770 2.2379 Aug-06 180.2 241.4 1.4245 3.3114 2.2925 Sep-06 181.0 203.1 1.4308 2.7860 2.0542 Oct-06 171.2 198.1 1.3534 2.7174 1.9808 Nov-06 167.2 198.2 1.3217 2.7188 1.9644 Dec-06 167.8 200.4 1.3265 2.7490 1.9808 Jan-07 171.9 180.0 1.3589 2.4691 1.8696 Feb-07 175.7 191.5 1.3889 2.6269 1.9584 Mar-07 172.1 215.1 1.3605 2.9506 2.0919 Apr-07 173.1 231.8 1.3684 3.1797 2.2016 May-07 179.2 225.3 1.4166 3.0905 2.1866 Jun-07 186.7 222.4 1.4759 3.0508 2.2003 Jul-07 187.0 237.8 1.4783 3.2620 2.2988 Aug-07 187.6 225.5 1.4830 3.0933 2.2237 Sep-07 188.4 238.9 1.4893 3.2771 2.3117 Oct-07 182.7 243.3 1.4443 3.3374 2.3151 Nov-07 180.3 288.2 1.4253 3.9534 2.5882 Dec-07 180.0 266.7 1.4229 3.6584 2.4513 Jan-08 181.9 273.8 1.4379 3.7558 2.5042 Feb-08 180.0 280.2 1.4229 3.8436 2.5364 Page 4

Development of E Component Enclosure 2 Enclosure 2 PG&E Letter HBL-12-006 Calculation of Energy Escalation Factor - Reference NUREG-1307, Revision 14, Section 3.2 Using Regional Indices SERIES ID: WPU0573 Light Fuel Oils (as of 02/23/12) and WPU0543 Industrial Electric Power (as of 02123/12)

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)

(2000 = 100) (2000=100) (2000 = 100) (2000=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-08 183.1 339.6 1.4474 4.6584 2.9245 Apr-08 185.2 352.5 1.4640 4.8354 3.0149 May-08 189.5 384.9 1.4980 5.2798 3.2377 Jun-08 191.9 410.5 1.5170 5.6310 3.4094 Jul-08 196.1 423.8 1.5502 5.8134 3.5113 Aug-08 197.1 343.9 1.5581 4.7174 3.0114 Sep-08 195.9 335.1 1.5486 4.5967 2.9507 Oct-08 193.0 279.0 1.5257 3.8272 2.5844 Nov-08 187.7 218.2 1.4838 2.9931 2.1781 Dec-08 188.3 163.0 1.4885 2.2359 1.8323 Jan-09 190.3 159.8 1.5043 2.1920 1.8207 Feb-09 190.3 145.6 1.5043 1.9973 1.7311 Mar-09 187.6 136.8 1.4830 1.8765 1.6640 Apr-09 186.9 159.9 1.4775 2.1934 1.8068 May-09 190.5 158.6 1.5059 2.1756 1.8140 Jun-09 193.3 183.7 1.5281 2.5199 1.9843 Jul-09 196.2 165.2 1.5510 2.2661 1.8799 Aug-09 194.7 196.1 1.5391 2.6900 2.0685 Sep-09 194.9 186.6 1.5407 2.5597 2.0094 Oct-09 189.9 193.3 1.5012 2.6516 2.0304 Nov-09 186.0 207.8 1.4704 2.8505 2.1052 Dec-09 186.0 197.5 1.4704 2.7092 2.0402 Jan-10 186.3 220.7 1.4727 3.0274 2.1879 Feb-10 186.1 200.2 1.4711 2.7462 2.0577 Mar-10 189.0 217.0 1.4941 2.9767 2.1761 Apr-10 188.8 231.5 1.4925 3.1756 2.2667 May-10 192.0 226.0 1.5178 3.1001 2.2457 Jun-10 197.8 212.4 1.5636 2.9136 2.1846 Jul-10 199.8 209.3 1.5794 2.8711 2.1736 Aug-10 200.8 221.4 1.5874 3.0370 2.2542 Sep-10 200.0 220.0 1.5810 3.0178 2.2420 Oct-10 194.6 235.8 1.5383 3.2346 2.3186 Nov-10 190.9 245.3 1.5091 3.3649 2.3628 Dec-10 191.4 250.0 1.5130 3.4294 2.3945 Jan-11 193.1 260.4 1.5265 3.5720 2.4674 Feb-11 194.4 278.8 1.5368 3.8244 2.5891 Mar-11 195.0 307.5 1.5415 4.2181 2.7727 Apr-11 194.1 325.1 1.5344 4.4595 2.8800 May-11 196.9 315.1 1.5565 4.3224 2.8288 Jun-11 205.7 316.9 1.6261 4.3471 2.8777 215.3 311.5 1.7020 4.2730 2.8846 Jul-11 Aug-11 216.6 296.9 1.7123 4.0727 2.7981 Sep-11 215.8 306.5 1.7059 4.2044 2.8552 Oct-11 205.3 299.4 1.6229 4.1070 2.7656 Nov-11 205.1 323.7 1.6213 4.4403 2.9181 Dec-11 204.0 301.5 1.6126 4.1358 2.7733 Oct 11 through Dec 11 are Preliminary Values from PPI Indices Page 5

Development of L Component Enclosure 2 PG&E Letter HBL-12-006 Calculation of Labor Escalation Factor - Reference NUREG-1 307, Revision 14, Section 3.1 Using Regional Indices SERIES ID: CIU20100000002401 (as of 02/23/12)

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 (2005=100) Factor Dec-05 100 2.06000 Jan-06 Feb-06 Mar-06 100.6 2.07236 Apr-06 May-06 Jun-06 101.8 2.09708 Jul-06 Aug-06 Sep-06 102.5 2.11150 Oct-06 Nov-06 Dec-06 103 2.12180 Jan-07 Feb-07 Mar-07 104.2 2.14652 Apr-07 May-07 Jun-07 104.9 2.16094 Jul-07 Aug-07 Sep-07 105.7 2.17742 Oct-07 Nov-07 Dec-07 106.5 2.19390 Jan-08 Feb-08 Mar-08 107.8 2.22068 Apr-08 May-08 Jun-08 108.4 2.23304 Jul-08 Aug-08 Sep-08 109.3 2.25158 Oct-08 Nov-08 Dec-08 109.4 2.25364 Jan-09 Feb-09 Mar-09 109.9 2.26394 Apr-09 May-09 Jun-09 110 2.26600 Jul-09 Aug-09 Sep-09 110.3 2.27218 Oct-09 Nov-09 Page 6

Development of L Component Enclosure 2 PG&E Letter HBL-12-006 Calculation of Labor Escalation Factor - Reference NUREG-1307, Revision 14, Section 3.1 Using Regional Indices SERIES ID: CIU20100000002401 (as of 02/23/12)

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 (2005=100) Factor Dec-05 100 2.06000 Dec-09 110.6 2.27836 Jan-10 Feb-10 Mar-10 111.3 2.29278 Apr-1 0 May-10 Jun-10 111.7 2.30102 Jul-10 Aug-10 Sep-10 112.3 2.31338 Oct-10 Nov-1 0 Dec-10 112.5 2.31750 Jan-11 Feb-11 Mar-11 113.5 2.33810 Apr-11 May-11 Jun-11 114.3 2.35458 Jul-1i Aug-11 Sep-11 114.6 2.36076 Oct-11 Nov-11 Dec-11 115.1 2.37106 Page 7

Development of B Component Enclosure 2 Enclosure 2 PG&E Letter HBL-12-006 Development of Burial Escalation Developed from NUREG-1 307 Revision 14 Table 2.1 "VALUES OF B SUB-X AS A FUNCTION OF LLW BURIAL SITE, WASTE VENDOR, AND YEAR" (Summary for non-Atlantic Compact)

Revised to Bx Values for Generic LLW Disposal Site are assumed to be thje same as that provided for the Atlantic Compact, for lack of a better alternative at this time 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 22.504 14.4164 2009 23.404 14.9931 2010 24.356 15.6028 2011 25.355 16.2425 2012 26.394 16.9085 Table 2.1 Note ('c) From 7/1/95 through 6/30/2000 access was allowed for all states except North Carolina. Effective 7/11/2000 rates are based on whether a waste generator is or is not a member of the Atlantic Compact.

2001 has no information in NUREG-1307 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-1307 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-1307 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-1307 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-1307 Rev 12. 2008 is an estimate that is calculated by applying the average % change between 2004 and 2006 and adding to the 2007 base.

2009 has no information in NUREG-1307 Rev 13. 2009 is an estimate that is calculated by applying the average % change between 2006 and 2008 and adding to the 2008 base.

2010 has no information in NUREG-1307 Rev 13. 2010 is an estimate that is calculated by applying the average % change between 2006 and 2008 and adding to the 2008 base 2011 has no information in NUREG-1 307 Rev 14. 2011 is an estimate that is calculated by applying the average % change between 2008 and 2010 and adding to the 2010 base 2012 has no information in NUREG-1307 Rev 14. 2012 is an estimate that is calculated by applying the average % change between 2008 and 2010 and adding to the 2011 estimate Page 8

Enclosure 3 PG&E Letter HBL-12-006 Humboldt Bay Power Plant Unit 3 Decommissioning Cost Study Area-By-Area Estimate (7 pages)

HumboldtBayPo-er PlantUnit3 Ebn-e 3 DecomLioning Cost Study PG&ELetterHBL-12-006 TLGServicesIo, AppendixD Humboldt Bay Power Plant, Unit 3 AREA-BY-AREA ESTIMATE I

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Enclosure 4 PG&E Letter HBL-12-006 Humboldt Bay Power Plant Unit 3 Decommissioning Cash Flow (Estimated in 2012 Dollars)

(1 page)

Humboldt Bay Power Plant Unit 3 Enclosure 4 PG&E Letter HBL-12-006 Decommissioning Cash Flow (Note 1)

(Estimated in 2012 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 $1,073,612 $3,546,617 $4,620,229 $35,105,009 2007 $4,474,247 $9,240,172 $13,714,418 $48,819,428 2008 $12,590,383 $28,485,988 $41,076,371 $89,895,799 2009 $32,901,391 $3,179,956 $36,081,347 $125,977,145 2010 $56,957,494 $5,734,776 $62,692,270 $188,669,415 2011 $60,585,531 $5,495,157 $66,080,688 $254,750,103 $254,750,103 2012 $76,442,100 $5,354,800 $81,796,900 $336,547,003 2013 $81,341,000 $5,354,800 $86,695,800 $423,242,803 2014 $47,849,900 $1,323,700 $5,354,800 $54,528,400 $477,771,203 2015 $42,355,200 $1,323,700 $5,354,800 $49,033,700 $526,804,903 2016 $5,770,152 $196,948 $5,354,800 $11,321,900 $538,126,803 2017 $0 $5,354,800 $5,354,800 $543,481,603 2018 $0 $5,354,800 $5,354,800 $548,836,403 2019 $0 $5,354,800 $5,354,800 $554,191,203 $556,511,426 2020 $3,436,072 $4,752,385 $8,188,457 $562,379,660 $566,044,490 TOTAL $444,732,321 $2,844,348 $114,802,991 $562,379,660 Notes:

1) Cash Flow is based on construction of ISFSI and Fuel removed from HBPP in 2020 (Assumes DOE Used Fuel Repository opens 2020 allowing HBPP Fuel to be shipped during 2020)
2) Trust Account Value of $311.3 million is Expense Equivalent Liquidation Value (Includes Tax Break)

Market Value of Trust as of 12/11 was $301.8 million, actual expended as of 12/11 was $254.8 million 1

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