ECONOMIC ANALYSIS SUMMARYTracy Unit 3Boiler Design: Riley Stoker Gas/OilLNB LNB w/ FGR LNB w/SNCRROFAw/RotamixLNB w/SCRCase123456NOx Emission Control SystemNone LNB LNB w/ FGR LNB w/SNCR ROFA w/Rotamix LNB w/SCRTOTAL INSTALLED CAPITAL COST ($)0704,0001,184,0002,532,5005,250,94028,690,000Including Other Owner Costs ($)0 1,232,000 2,072,000 4,431,875 9,189,145 35,862,500FIRST YEAR O&M COST ($)Operating Labor ($)0 11,300 16,950 22,600 22,600 28,250Maintenance Material ($)0 22,600 33,900 45,200 45,200 56,500Maintenance Labor ($)0 11,300 16,950 22,600 22,600 28,250Administrative Labor ($)0 0 0 0 0 0TOTAL FIXED O&M COST045,20067,80090,40090,400113,000Reagent Cost0 0 0 117,326 142,154 167,815SCR Catalyst / FF Bag Cost0 0 0 0 0 169,500Electric Power Cost0 0 287,065 28,707 315,772 143,533Makeup Water Cost0 0 0 0 0 0TOTAL VARIABLE O&M COST00287,065146,032457,926480,848TOTAL FIRST YEAR O&M COST 0 45,200 354,865 236,432 548,326 593,848FIRST YEAR DEBT SERVICE ($)0 130,661 219,748 470,027 974,564 3,803,433TOTAL FIRST YEAR COST ($)0 175,861 574,613 706,459 1,522,890 4,397,281Power Consumption (MW)0.00.01.10.11.20.6Annual Power Usage (Million kW-Hr/Yr)0.00.05.70.66.32.9CONTROL COST ($/Ton Removed)NOx Removal Rate (%)0.0%16.4%28.8%37.3%45.2%78.3%NOx Removed (Tons/Yr)0155272352427739First Year Average Control Cost ($/Ton NOx Rem.)01,1362,1152,0073,5705,949Incremental Control Cost ($/Ton NOx Removed)01,1363,4121,64110,9599,1952-13-24-35-46-5For the other owner costs a factor of 1.75 was used for everything except the SCR to represent balance of plantcost, electrical costs, AFUDC etc.For the SCR a factor of 1.25 was used because the material cost of $250/kW from the CH2M HILL database alreadyincluded the balance of plant and a few other costsParameterCurrentOperationNOx ControlSP/NP Tracy Fort Churchill BART Economic Analysis Model1 of 510/2/2008 7:38 AM

# INPUT CALCULATIONS

Tracy Unit 3 Boiler Design: Riley Stoker Gas/Oil

LNB LNB w/ FGR LNB w/SNCR ROFA

w/Rotamix LNB w/SCR

Case 1 2 3 4 5 6

NOx Emission Control System None LNB LNB w/ FGR LNB w/SNCR ROFA w/Rotamix LNB w/SCR



# Unit Design and Coal Characteristics

Type of Unit PC PC PC PC PC PC

Net Power Output (kW) 113,000 113,000 113,000 113,000 113,000 113,000

Net Plant Heat Rate (Btu/kW-Hr) 10,177 10,177 10,177 10,177 10,177 10,177

Boiler Fuel No. 6 Fuel Oil No. 6 Fuel Oil No. 6 Fuel Oil No. 6 Fuel Oil No. 6 Fue l Oil No. 6 Fuel Oil

Fuel Heating Value (Btu/Lb) 19,300 19,300 19,300 19,300 19,300 19,300

Fuel Sulfur Content (wt.%) 0.637% 0.637% 0.637% 0.637% 0.637% 0.637%

Fuel Ash Content (wt.%) 0.038% 0.038% 0.038% 0.038% 0.038% 0.038%

Boiler Heat Input, each (MMBtu/Hr) 1,150 1,150 1,150 1,150 1,150 1,150

Fuel Flow Rate (Lb/Hr) 59,585 59,585 59,585 59,585 59,585 59,585

(Ton/Yr) 151,371 151,371 151,371 151,371 151,371 151,371

(MMBtu/Yr) 5,842,920 5,842,920 5,842,920 5,842,920 5,842,920 5,842,920

Emissions

Uncontrolled NOx (Lb/Hr) 371 371 371 371 371 371

(Lb/MMBtu) 0.32 0.32 0.32 0.32 0.32 0.32

(Lb Moles/Hr) 12.38 12.38 12.38 12.38 12.38 12.38

(Tons/Yr) 944 944 944 944 944 944

NOx Removal Rate (%) 0.0% 16.4% 28.8% 37.3% 45.2% 78.3%

(Lb/Hr) 0 61 107 139 168 291

(Lb Moles/Hr) 0.00 2.03 3.56 4.62 5.59 9.70

(Ton/Yr) 0 155 272 352 427 739

NOx Emission Rate (Lb/Hr) 371 311 265 233 204 81

(Lb/MMBtu) 0.32 0.27 0.23 0.20 0.18 0.07

(Ton/Yr) 944 789 672 592 517 205

General Plant Data

Annual Operation (Hours/Year) 5,081 5,081 5,081 5,081 5,081 5,081

Annual On-Site Power Plant Capacity Factor 58% 0.58 0.58 0.58 0.58 0.58

Economic Factors

Interest Rate (%) 8.55% 8.55% 8.55% 8.55% 8.55% 8.55%

Discount Rate (%) 9.00% 9.00% 9.00% 9.00% 9.00% 9.00%

Plant Economic Life (Years) 20 20 20 20 20 20

Installed Capital Costs (including owner costs)

NOx Emission Control System ($2007) 0 1,232,000 2,072,000 4,431,875 9,189,145 35,862,500

Total Emission Control Systems ($2007) 0 1,232,000 2,072,000 4,431,875 9,189,145 35,862,500

NOx Emission Control System ($/kW) 0 11 18 39 81 317

Total Emission Control Systems ($/kW) 0 11 18 39 81 317

Total Fixed Operating & Maintenance Costs

Operating Labor ($) 0 11,300 16,950 22,600 22,600 28,250

Maintenance Material ($) 0 22,600 33,900 45,200 45,200 56,500

Maintenance Labor ($) 0 11,300 16,950 22,600 22,600 28,250

Administrative Labor ($) 0 0 0 0 0 0

Total Fixed O&M Cost ($) 0 45,200 67,800 90,400 90,400 113,000

Annual Fixed O&M Cost Escalation Rate (%) 2.00% 2.00% 2.00% 2.00% 2.00% 2.00%

Reagent Cost None None None Urea Urea Anhydrous NH3

Unit Cost ($/Ton) 0.00 0.00 370.00 370.00 370.00 400.00

($/Lb) 0.000 0.000 0.185 0.185 0.185 0.200

Molar Stoichiometry 0.00 0.00 0.00 0.45 0.45 1.00

Reagent Purity (Wt.%) 100% 100% 100% 100% 100% 100%

Reagent Usage (Lb/Hr) 0 0 0 125 151 165

First Year Reagent Cost ($) 0 0 0 117,326 142,154 167,815

Annual Reagent Cost Escalation Rate (%) 2.00% 2.00% 2.00% 2.00% 2.00% 2.00%

SCR Catalyst / FF Bag Replacement Cost SCR Catalyst

Annual SCR Catalyst (m3) / No. FF Bags 0 0 0 0 0 57

SCR Catalyst ($/m3) / Bag Cost ($/ea.) 3,000 3,000 3,000 3,000 3,000 3,000

First Year SCR Catalyst / Bag Replace. Cost ($) 0 0 0 0 0 169,500

Annual SCR Catalyst / Bag Cost Esc. Rate (%) 2.00% 2.00% 2.00% 2.00% 2.00% 2.00%

Auxiliary Power Cost

Auxiliary Power Requirement (% of Plant Output) 0.00% 0.00% 1.00% 0.10% 1.10% 0.50%

(MW) 0.00 0.00 1.13 0.11 1.24 0.57

Unit Cost ($2007/MW-Hr) 50.00 50.00 50.00 50.00 50.00 50.00

First Year Auxiliary Power Cost ($) 0 0 287,065 28,707 315,772 143,533

Annual Power Cost Escalation Rate (%) 2.00% 2.00% 2.00% 2.00% 2.00% 2.00%

Economic factors as per Sierra Pacific 2008 Plannin g Guidelines



# Parameter Comments Current

Operation 

# NOx Control

SP/NP Tracy Fort Churchill BART Economic Analysis M odel 2 of 5 10/2/2008 7:38 AMInterest RatePlant LifeTracy Unit 3Current OperationYear DateTOTAL FIXEDO&M COSTReagent CostSCR Catalyst / FFBag CostElectricPower CostMakeup Water CostTOTAL VARIABLEO&M COSTDEBT SERVICETOTAL ANNUALCOSTControl Cost($/Ton Removed)0 20131 2014 ---------2 2015 ---------3 2016 ---------4 2017 ---------5 2018 ---------6 2019 ---------7 2020 ---------8 2021 ---------9 2022 ---------10 2023 ---------11 2024 ---------12 2025 ---------13 2026 ---------14 2027 ---------15 2028 ---------16 2029 ---------17 2030 ---------18 2031 ---------19 2032 ---------202033---------Tracy Unit 3LNBYear DateTOTAL FIXEDO&M COSTReagent CostSCR Catalyst / FFBag CostElectricPower CostMakeup Water CostTOTAL VARIABLEO&M COSTDEBT SERVICETOTAL ANNUALCOSTControl Cost($/Ton NOx Removed)0 20131 2014 45,200-----130,661175,8611,1362 2015 46,104-----130,661176,7651,1423 2016 47,026-----130,661177,6871,1484 2017 47,967-----130,661178,6281,1545 2018 48,926-----130,661179,5871,1606 2019 49,904-----130,661180,5651,1667 2020 50,903-----130,661181,5641,1738 2021 51,921-----130,661182,5821,1799 2022 52,959-----130,661183,6201,18610 2023 54,018-----130,661184,6791,19311 2024 55,099-----130,661185,7601,20012 2025 56,201-----130,661186,8621,20713 2026 57,325-----130,661187,9861,21414 2027 58,471-----130,661189,1321,22115 2028 59,640-----130,661190,3011,22916 2029 60,833-----130,661191,4941,23717 2030 62,050-----130,661192,7111,24518 2031 63,291-----130,661193,9521,25319 2032 64,557-----130,661195,2181,26120203365,848-----130,661196,5091,269SP/NP Tracy Fort Churchill BART Economic Analysis Model 3of 510/2/2008 7:38 AMTracy Unit 3LNB w/ FGRYear DateTOTAL FIXEDO&M COSTReagent CostSCR Catalyst / FFBag CostElectricPower CostMakeup Water CostTOTAL VARIABLEO&M COSTDEBT SERVICETOTAL ANNUALCOSTControl Cost($/Ton NOx Removed)0 20131 2014 67,800--287,065-287,065219,748574,6132,1152 2015 69,156--292,807-292,807219,748581,7112,1413 2016 70,539--298,663-298,663219,748588,9502,1684 2017 71,950--304,636-304,636219,748596,3342,1955 2018 73,389--310,729-310,729219,748603,8662,2236 2019 74,857--316,943-316,943219,748611,5482,2517 2020 76,354--323,282-323,282219,748619,3842,2808 2021 77,881--329,748-329,748219,748627,3772,3099 2022 79,439--336,343-336,343219,748635,5292,33910 2023 81,027--343,069-343,069219,748643,8452,37011 2024 82,648--349,931-349,931219,748652,3272,40112 2025 84,301--356,929-356,929219,748660,9782,43313 2026 85,987--364,068-364,068219,748669,8032,46514 2027 87,707--371,349-371,349219,748678,8042,49815 2028 89,461--378,776-378,776219,748687,9852,53216 2029 91,250--386,352-386,352219,748697,3502,56717 2030 93,075--394,079-394,079219,748706,9022,60218 2031 94,936--401,961-401,961219,748716,6452,63819 2032 96,835--410,000-410,000219,748726,5832,67420203398,772--418,200-418,200219,748736,7202,712Tracy Unit 3LNB w/SNCRYear DateTOTAL FIXEDO&M COSTReagent CostSCR Catalyst / FFBag CostElectricPower CostMakeup Water CostTOTAL VARIABLEO&M COSTDEBT SERVICETOTAL ANNUALCOSTControl Cost($/Ton NOx Removed)0 20131 2014 90,400117,326-28,707-146,032470,027706,4592,0072 2015 92,208119,672-29,281-148,953470,027711,1882,0203 2016 94,052122,066-29,866-151,932470,027716,0112,0344 2017 95,933124,507-30,464-154,970470,027720,9312,0485 2018 97,852126,997-31,073-158,070470,027725,9492,0626 2019 99,809129,537-31,694-161,231470,027731,0672,0777 2020 101,805132,128-32,328-164,456470,027736,2882,0928 2021 103,841134,770-32,975-167,745470,027741,6132,1079 2022 105,918137,466-33,634-171,100470,027747,0452,12210 2023 108,036140,215-34,307-174,522470,027752,5852,13811 2024 110,197143,019-34,993-178,012470,027758,2362,15412 2025 112,401145,880-35,693-181,573470,027764,0012,17013 2026 114,649148,797-36,407-185,204470,027769,8802,18714 2027 116,942151,773-37,135-188,908470,027775,8772,20415 2028 119,281154,809-37,878-192,686470,027781,9942,22116 2029 121,666157,905-38,635-196,540470,027788,2332,23917 2030 124,100161,063-39,408-200,471470,027794,5982,25718 2031 126,582164,284-40,196-204,480470,027801,0892,27619 2032 129,113167,570-41,000-208,570470,027807,7102,294202033131,696170,921-41,820-212,741470,027814,4642,314SP/NP Tracy Fort Churchill BART Economic Analysis Model 4of 510/2/2008 7:38 AMTracy Unit 3ROFA w/RotamixYear DateTOTAL FIXEDO&M COSTReagent CostSCR Catalyst / FFBag CostElectricPower CostMakeup Water CostTOTAL VARIABLEO&M COSTDEBT SERVICETOTAL ANNUALCOSTControl Cost($/Ton NOx Removed)0 20131 2014 90,400142,154-315,772-457,926974,5641,522,8903,5702 2015 92,208144,997-322,087-467,084974,5641,533,8563,5963 2016 94,052147,897-328,529-476,426974,5641,545,0423,6224 2017 95,933150,855-335,099-485,954974,5641,556,4523,6495 2018 97,852153,872-341,801-495,673974,5641,568,0893,6766 2019 99,809156,949-348,637-505,587974,5641,579,9603,7047 2020 101,805160,088-355,610-515,699974,5641,592,0683,7338 2021 103,841163,290-362,722-526,013974,5641,604,4183,7629 2022 105,918166,556-369,977-536,533974,5641,617,0153,79110 2023 108,036169,887-377,376-547,263974,5641,629,8643,82111 2024 110,197173,285-384,924-558,209974,5641,642,9703,85212 2025 112,401176,750-392,622-569,373974,5641,656,3383,88313 2026 114,649180,285-400,475-580,760974,5641,669,9733,91514 2027 116,942183,891-408,484-592,376974,5641,683,8823,94815 2028 119,281187,569-416,654-604,223974,5641,698,0683,98116 2029 121,666191,320-424,987-616,308974,5641,712,5384,01517 2030 124,100195,147-433,487-628,634974,5641,727,2984,05018 2031 126,582199,050-442,157-641,206974,5641,742,3524,08519 2032 129,113203,031-451,000-654,030974,5641,757,7084,121202033131,696207,091-460,020-667,111974,5641,773,3714,158Tracy Unit 3LNB w/SCRYear DateTOTAL FIXEDO&M COSTReagent CostSCR Catalyst / FFBag CostElectricPower CostMakeup Water CostTOTAL VARIABLEO&M COSTDEBT SERVICETOTAL ANNUALCOSTControl Cost($/Ton NOx Removed)0 20131 2014 113,000167,815169,500143,533-480,8483,803,4334,397,2815,9492 2015 115,260171,171172,890146,403-490,4653,803,4334,409,1585,9653 2016 117,565174,595176,348149,331-500,2743,803,4334,421,2735,9824 2017 119,917178,087179,875152,318-510,2793,803,4334,433,6295,9985 2018 122,315181,648183,472155,364-520,4853,803,4334,446,2336,0166 2019 124,761185,281187,142158,472-530,8953,803,4334,459,0896,0337 2020 127,256188,987190,885161,641-541,5133,803,4334,472,2026,0518 2021 129,801192,767194,702164,874-552,3433,803,4334,485,5786,0699 2022 132,398196,622198,596168,171-563,3903,803,4334,499,2216,08710 2023 135,045200,555202,568171,535-574,6583,803,4334,513,1366,10611 2024 137,746204,566206,620174,965-586,1513,803,4334,527,3316,12512 2025 140,501208,657210,752178,465-597,8743,803,4334,541,8086,14513 2026 143,311212,830214,967182,034-609,8313,803,4334,556,5766,16514 2027 146,178217,087219,266185,675-622,0283,803,4334,571,6396,18515 2028 149,101221,428223,652189,388-634,4683,803,4334,587,0036,20616 2029 152,083225,857228,125193,176-647,1583,803,4334,602,6746,22717 2030 155,125230,374232,687197,040-660,1013,803,4334,618,6596,24918 2031 158,227234,982237,341200,980-673,3033,803,4334,634,9646,27119 2032 161,392239,681242,088205,000-686,7693,803,4334,651,5946,293202033164,620244,475246,929209,100-700,5043,803,4334,668,5576,316SP/NP Tracy Fort Churchill BART Economic Analysis Model 5of 510/2/2008 7:38 AMECONOMIC ANALYSIS SUMMARYTracy Unit 3Boiler Design:SO2 ControlSDACase1 7SO2 Emission Control SystemNone SDATOTAL INSTALLED CAPITAL COST ($)0 22,000,000Including Other Owner Costs ($)0 ---FIRST YEAR O&M COST ($)Operating Labor ($)0 56,500Maintenance Material ($)0 113,000Maintenance Labor ($)0 56,500Administrative Labor ($)0 0TOTAL FIXED O&M COST0226,000Reagent Cost0 187,979SCR Catalyst / FF Bag Cost0 0Electric Power Cost0 101,616Makeup Water Cost0 28,559TOTAL VARIABLE O&M COST0318,154TOTAL FIRST YEAR O&M COST 0 544,154FIRST YEAR DEBT SERVICE ($)0 2,333,232TOTAL FIRST YEAR COST ($)0 2,877,386Power Consumption (MW) 0.0 0.4Annual Power Usage (Million kW-Hr/Yr)0.02.0CONTROL COST ($/Ton Removed)SO2 Removal Rate (%)32.5%84.8%SO2 Removed (Tons/Yr)01,633First Year Average Control Cost ($/Ton SO2 Rem.)01,762Incremental Control Cost ($/Ton SO2 Removed)Base1,7627-1ParameterCurrentOperationSP/NP Tracy Fort Churchill BART Economic Analysis Model1 of 310/2/2008 8:10 AM

# INPUT CALCULATIONS

Tracy Unit 3 Boiler Design:



# SO2 Control

SDA

Case 1 7

SO2 Emission Control System None SDA



# Unit Design and Coal Characteristics

Type of Unit PC PC

Net Power Output (kW) 113,000 113,000

Net Plant Heat Rate (Btu/kW-Hr) 10,177 10,177

Boiler Fuel No. 6 Fuel Oil No. 6 Fuel Oil

Fuel Heating Value (Btu/Lb) 19,300 19,300

Fuel Sulfur Content (wt.%) 0.637% 0.637%

Fuel Ash Content (wt.%) 0.038% 0.038%

Boiler Heat Input, each (MMBtu/Hr) 1,150 1,150

Fuel Flow Rate (Lb/Hr) 59,585 59,585

(Ton/Yr) 151,371 151,371

(MMBtu/Yr) 5,842,920 5,842,920

Emissions

Uncontrolled SO2 (Lb/Hr) 758 758

(Lb/MMBtu) 0.659 0.659

(Lb Moles/Hr) 11.83 11.83

(Tons/Yr) 1,925 1,925

SO2 Removal Rate (%) 32.5% 84.8%

(Lb/Hr) 246 643

(Ton/Yr) 625 1,633

SO2 Emission Rate (Lb/Hr) 512 115

(Lb/MMBtu) 0.445 0.10

(Ton/Yr) 1,300 292

General Plant Data

Annual Operation (Hours/Year) 5,081 5,081

Annual On-Site Power Plant Capacity Factor 58% 0.58

Economic Factors

Interest Rate (%) 8.55% 8.55%

Discount Rate (%) 9.00% 9.00%

Plant Economic Life (Years) 20 20

Installed Capital Costs (including owner costs)

SO2 Emission Control System ($2007) 0 22,000,000

Total Emission Control Systems ($2007) 0 22,000,000

SO2 Emission Control System ($/kW) 0 195

Total Emission Control Systems ($/kW) 0 195

Total Fixed Operating & Maintenance Costs

Operating Labor ($) 0 56,500

Maintenance Material ($) 0 113,000

Maintenance Labor ($) 0 56,500

Administrative Labor ($) 0 0

Total Fixed O&M Cost ($) 0 226,000

Annual Fixed O&M Cost Escalation Rate (%) 2.00% 2.00%

Reagent Cost None LIme

Unit Cost ($/Ton) 0.00 91.25

($/Lb) 0.000 0.046

Molar Stoichiometry 0.00 1.10

Reagent Purity (Wt.%) 100% 90%

Reagent Usage (Lb/Hr) 0 811

First Year Reagent Cost ($) 0 187,979

Annual Reagent Cost Escalation Rate (%) 2.00% 2.00%

SCR Catalyst / FF Bag Replacement Cost

Annual SCR Catalyst (m3) / No. FF Bags 0 0

SCR Catalyst ($/m3) / Bag Cost ($/ea.) 3,000 3,000

First Year SCR Catalyst / Bag Replace. Cost ($) 0 0

Annual SCR Catalyst / Bag Cost Esc. Rate (%) 2.00% 2.00%

Auxiliary Power Cost

Auxiliary Power Requirement (% of Plant Output) 0.00% 0.35%

(MW) 0.00 0.40

Unit Cost ($2007/MW-Hr) 50.00 50.00

First Year Auxiliary Power Cost ($) 0 101,616

Annual Power Cost Escalation Rate (%) 2.00% 2.00%

Water Cost

Makeup Water Usage (Gpm) 0 77

Unit Price ($/1000 Gallons) 1.22 1.22

First Year Water Cost ($) 0 28,559

Annual Water Cost Escalation Rate (%) 2.00% 2.00%

Economic factors as per Sierra Pacific 2008 Plannin g Guidelines



# Parameter Current

Operation

SP/NP Tracy Fort Churchill BART Economic Analysis M odel 2 of 3 10/2/2008 8:10 AMInterest RatePlant LifeTracy Unit 3Current OperationYear DateTOTAL FIXEDO&M COSTReagent CostSCR Catalyst / FFBag CostElectricPower CostMakeup Water CostTOTAL VARIABLEO&M COSTDEBT SERVICETOTAL ANNUALCOSTControl Cost($/Ton Removed)0 20131 2014 ---------2 2015 ---------3 2016 ---------4 2017 ---------5 2018 ---------6 2019 ---------7 2020 ---------8 2021 ---------9 2022 ---------10 2023 ---------11 2024 ---------12 2025 ---------13 2026 ---------14 2027 ---------15 2028 ---------16 2029 ---------17 2030 ---------18 2031 ---------19 2032 ---------202033---------Tracy Unit 3SDAYear DateTOTAL FIXEDO&M COSTReagent CostSCR Catalyst / FFBag CostElectricPower CostMakeup Water CostTOTAL VARIABLEO&M COSTDEBT SERVICETOTAL ANNUALCOSTControl Cost($/Ton Removed)0 20131 2014 226,000187,979-101,61628,559318,1542,333,2322,877,3861,761.692 2015 230,520191,739-103,64829,130324,5172,333,2322,888,2691,768.363 2016 235,130195,574-105,72129,713331,0082,333,2322,899,3701,775.154 2017 239,833199,485-107,83630,307337,6282,333,2322,910,6931,782.095 2018 244,630203,475-109,99230,913344,3802,333,2322,922,2421,789.166 2019 249,522207,544-112,19231,531351,2682,333,2322,934,0221,796.377 2020 254,513211,695-114,43632,162358,2932,333,2322,946,0381,803.738 2021 259,603215,929-116,72532,805365,4592,333,2322,958,2941,811.239 2022 264,795220,248-119,05933,461372,7682,333,2322,970,7951,818.8810 2023 270,091224,653-121,44134,130380,2242,333,2322,983,5471,826.6911 2024 275,493229,146-123,86934,813387,8282,333,2322,996,5531,834.6512 2025 281,003233,729-126,34735,509395,5852,333,2323,009,8191,842.7813 2026 286,623238,403-128,87436,220403,4962,333,2323,023,3511,851.0614 2027 292,355243,171-131,45136,944411,5662,333,2323,037,1531,859.5115 2028 298,202248,035-134,08037,683419,7982,333,2323,051,2321,868.1316 2029 304,166252,995-136,76238,436428,1942,333,2323,065,5921,876.9217 2030 310,250258,055-139,49739,205436,7572,333,2323,080,2391,885.8918 2031 316,455263,216-142,28739,989445,4932,333,2323,095,1791,895.0419 2032 322,784268,481-145,13340,789454,4022,333,2323,110,4181,904.37202033329,239273,850-148,03541,605463,4902,333,2323,125,9621,913.89SP/NP Tracy Fort Churchill BART Economic Analysis Model 3 of 310/2/2008 8:10 AMECONOMIC ANALYSIS SUMMARYTracy Unit 3Boiler Design:PM ControlFabric FilterCase1 8PM Emission Control SystemNone Fabric FilterTOTAL INSTALLED CAPITAL COST ($)0 22,000,000Including Other Owner Costs ($)0 ---FIRST YEAR O&M COST ($)Operating Labor ($)0 45,200Maintenance Material ($)0 90,400Maintenance Labor ($)0 45,200Administrative Labor ($)0 0TOTAL FIXED O&M COST0180,800Reagent Cost0 0SCR Catalyst / FF Bag Cost0 62,400Electric Power Cost0 101,616Makeup Water Cost0 0TOTAL VARIABLE O&M COST0164,016TOTAL FIRST YEAR O&M COST 0 344,816FIRST YEAR DEBT SERVICE ($)0 2,333,232TOTAL FIRST YEAR COST ($)0 2,678,048Power Consumption (MW) 0.0 0.4Annual Power Usage (Million kW-Hr/Yr)0.02.0CONTROL COST ($/Ton Removed)PM Removal Rate (%)0.00%76.85%PM Removed (Tons/Yr)0145First Year Average Control Cost ($/Ton PM Rem.)018,407Incremental Control Cost ($/Ton PM Removed)Base18,4078-1ParameterCurrentOperationSP/NP Tracy Fort Churchill BART Economic Analysis Model1 of 410/2/2008 8:06 AM

# INPUT CALCULATIONS

Tracy Unit 3 Boiler Design:



# PM Control

Fabric Filter

Case 1 8

PM Emission Control System None Fabric Filter



# Unit Design and Coal Characteristics

Type of Unit PC PC

Net Power Output (kW) 113,000 113,000

Net Plant Heat Rate (Btu/kW-Hr) 10,177 10,177

Boiler Fuel No. 6 Fuel Oil No. 6 Fuel Oil

Fuel Heating Value (Btu/Lb) 19,300 19,300

Fuel Sulfur Content (wt.%) 0.637% 0.637%

Fuel Ash Content (wt.%) 0.038% 0.038%

Boiler Heat Input, each (MMBtu/Hr) 1,150 1,150

Fuel Flow Rate (Lb/Hr) 59,585 59,585

(Ton/Yr) 151,371 151,371

(MMBtu/Yr) 5,842,920 5,842,920

Emissions

Uncontrolled Fly Ash (Lb/Hr) 60 75

(Lb/MMBtu) 0.06 0.065

(Lb Moles/Hr) 2.0 2.5

(Tons/Yr) 151 189

Fly Ash Removal Rate (%) 0.00% 76.85%

(Lb/Hr) -15 57

(Ton/Yr) -38 145

Fly Ash Emission Rate (Lb/Hr) 75 17

(Lb/MMBtu) 0.065 0.015

(Ton/Yr) 189 44

General Plant Data

Annual Operation (Hours/Year) 5,081 5,081

Annual On-Site Power Plant Capacity Factor 58% 0.58

Economic Factors

Interest Rate (%) 8.55% 8.55%

Discount Rate (%) 9.00% 9.00%

Plant Economic Life (Years) 20 20

Installed Capital Costs (including owner costs)

NOx Emission Control System ($2007) 0 0

SO2 Emission Control System ($2007) 0 0

PM Emission Control System ($2007) 0 22,000,000

Total Emission Control Systems ($2007) 0 22,000,000

NOx Emission Control System ($/kW) 0 0

SO2 Emission Control System ($/kW) 0 0

PM Emission Control System ($/kW) 0 195

Total Emission Control Systems ($/kW) 0 195

Total Fixed Operating & Maintenance Costs

Operating Labor ($) 0 45,200

Maintenance Material ($) 0 90,400

Maintenance Labor ($) 0 45,200

Administrative Labor ($) 0 0

Total Fixed O&M Cost ($) 0 180,800

Annual Fixed O&M Cost Escalation Rate (%) 2.00% 2.00%

Reagent Cost None None

Unit Cost ($/Ton) 0.00 0.00

($/Lb) 0.000 0.000

Molar Stoichiometry 0.00 0.00

Reagent Purity (Wt.%) 100% 100%

Reagent Usage (Lb/Hr) 0 0

First Year Reagent Cost ($) 0 0

Annual Reagent Cost Escalation Rate (%) 2.00% 2.00%

SCR Catalyst / FF Bag Replacement Cost Bags

Annual SCR Catalyst (m3) / No. FF Bags 0 600

SCR Catalyst ($/m3) / Bag Cost ($/ea.) 3,000 104

First Year SCR Catalyst / Bag Replace. Cost ($) 0 62,400

Annual SCR Catalyst / Bag Cost Esc. Rate (%) 2.00% 2.00%

Auxiliary Power Cost

Auxiliary Power Requirement (% of Plant Output) 0.00% 0.35%

(MW) 0.00 0.40

Unit Cost ($2007/MW-Hr) 50.00 50.00

First Year Auxiliary Power Cost ($) 0 101,616

Annual Power Cost Escalation Rate (%) 2.00% 2.00%

Economic factors as per Sierra Pacific 2008 Planning Guide lines



# Parameter Current

Operation

SP/NP Tracy Fort Churchill BART Economic Analysis M odel 2 of 4 10/2/2008 8:06 AMInterest RatePlant LifeTracy Unit 3Current OperationYear DateTOTAL FIXEDO&M COSTReagent CostSCR Catalyst / FFBag CostElectricPower CostMakeup Water CostTOTAL VARIABLEO&M COSTDEBT SERVICETOTAL ANNUALCOSTControl Cost($/Ton Removed)0 20131 2014 ---------2 2015 ---------3 2016 ---------4 2017 ---------5 2018 ---------6 2019 ---------7 2020 ---------8 2021 ---------9 2022 ---------10 2023 ---------11 2024 ---------12 2025 ---------13 2026 ---------14 2027 ---------15 2028 ---------16 2029 ---------17 2030 ---------18 2031 ---------19 2032 ---------202033---------Tracy Unit 3Fabric FilterYear DateTOTAL FIXEDO&M COSTReagent CostSCR Catalyst / FFBag CostElectricPower CostMakeup Water CostTOTAL VARIABLEO&M COSTDEBT SERVICETOTAL ANNUALCOSTControl Cost($/Ton Removed)0 20131 2014 180,800-62,400101,616-164,0162,333,2322,678,04818,407.262 2015 184,416-63,648103,648-167,2962,333,2322,684,94418,454.663 2016 188,104-64,921105,721-170,6422,333,2322,691,97918,503.014 2017 191,866-66,219107,836-174,0552,333,2322,699,15418,552.325 2018 195,704-67,544109,992-177,5362,333,2322,706,47218,602.636 2019 199,618-68,895112,192-181,0872,333,2322,713,93718,653.937 2020 203,610-70,273114,436-184,7092,333,2322,721,55118,706.278 2021 207,682-71,678116,725-188,4032,333,2322,729,31718,759.659 2022 211,836-73,112119,059-192,1712,333,2322,737,23918,814.1010 2023 216,073-74,574121,441-196,0142,333,2322,745,31918,869.6411 2024 220,394-76,065123,869-199,9352,333,2322,753,56118,926.2912 2025 224,802-77,587126,347-203,9332,333,2322,761,96718,984.0713 2026 229,298-79,138128,874-208,0122,333,2322,770,54219,043.0014 2027 233,884-80,721131,451-212,1722,333,2322,779,28819,103.1215 2028 238,562-82,335134,080-216,4162,333,2322,788,20919,164.4416 2029 243,333-83,982136,762-220,7442,333,2322,797,30919,226.9817 2030 248,200-85,662139,497-225,1592,333,2322,806,59119,290.7818 2031 253,164-87,375142,287-229,6622,333,2322,816,05819,355.8519 2032 258,227-89,123145,133-234,2552,333,2322,825,71419,422.22202033263,391-90,905148,035-238,9402,333,2322,835,56419,489.92SP/NP Tracy Fort Churchill BART Economic Analysis Model 3of 410/2/2008 8:06 AM