1 2 3 4 5 6 7 8 9 **Capacity Fuel**  Unique ID Name Plant Code **Unit MW gross**  **Fuel Avg NOx**  **Avg SO2 2011NOx**  8223_1 Springerville 8223 1 424.8 C 0.182 0.218 0.18 8223_2 Springerville 8223 2 424.8 C 0.19 0.185 0.188 Notes: 1 1 1
Notes 1 Determined from data reported to US EPA and available on the Clean Air Markets Division Web Site

2 Selected as higher of 2008-2010 average or 2011 average unless there was reason to believe that an implemented change in equipment had reduced emissions for 2011 3This is an estimate from 2008-2011 period based upon reported heat input, capacity and heat rate in NEEDS v4.10 4 From NEEDS v4.10

Economic Assumptions: Capital Recovery Factor 9.44%

Interest Rate 7.00% Period (yrs) 20
Insurance 0.30% From Integrated Planning Model ver 4.10 documentationpage 8-11 Property Taxes 0.90% From Integrated Planning Model ver 4.10 documentationpage 8-11

**Modeled Rates UNC 2008-2010 Avg**  **Capacity Fuel**  **NOx SO2**  **PM NOx**  **SO2** Springerville Generating Station 1 424.8 C 0.182 0.218 Springerville Generating Station 2 424.8 C 0.190 0.185 Springerville Generating Station

TS3 450 C 0.072 0.082 Springerville Generating Station

4 450 C 0.063 0.081 **2008-2010 Reported Avg 2011 Reported Rates** 10 11 12 13 14 **2008-2011 2011 SO2**  **model NOx model SO2**  **Capac. Fctr Heat Rate**  **Burner Controls**  0.253 0.182 0.253 65% 10001T LNC1 0.167 0.19 0.185 70% 9893T LNC1 1 2 2 3 4 Determined from data reported to US EPA and available on the Clean Air Markets Division Web Site Selected as higher of 2008-2010 average or 2011 average unless there was reason to believe that an implemented change in equipment had reduced emissions for 2011 This is an estimate from 2008-2011 period based upon reported heat input, capacity and heat rate in NEEDS v4.10

From Integrated Planning Model ver 4.10 documentationpage 8-11 From Integrated Planning Model ver 4.10 documentationpage 8-11

**2011 Reported Rates 08-'11 estimated Cap Fctr**  **NOx SO2**  0.180 0.253 65.3% 0.188 0.167 69.5% 0.065 0.071 64.4% 0.064 0.081 51.6%

**modelled rate 2011 Reported Rates** Printed 7/17/2013



### TEP Springerville - SO**2**

### Control Options

**Unit Control Option**  **Ctrl Eff Total Capital Cost**  **Total Annual Cost (lb/MMBtu)**  **(lb/hr) (tpy)**  **(%) Ave**  **Incr** Springerville 1 Uncontrolled 2.40 10196 29,029

-- 2

-- -- -- --

DFGD (existing) 0.218 926 2,637 91% 1

-- -- -- -- DFGD (upgrades) 0.150 637 1,814 94% 3 $42,480,000 $4,940,178 4 $6,006

-- WFGD 0.06 255 726 98% $198,531,095 $31,030,262 $16,237 $23,967 Springerville 2 Uncontrolled 2.40 10086 30,924

-- 2

-- -- -- --

DFGD (existing) 0.185 777 2,384 92% 1

-- -- -- -- DFGD (upgrades) 0.150 630 1,933 94% 3 $42,480,000 $4,899,814 4 $10,865

-- WFGD 0.06 252 773 98% $197,565,297 $31,311,073 $19,440 $22,775 1 Based on 2007-11 annual average CAMD emission data 2 Based on Lee Ranch/El Segundo NM ave sulfur content, per Cholla coal contract 3 DFGD upgrade performance is determined based on 95% control efficiency (not by a particular design emission rate) 4 Based on an IPM assumption that DFGD major upgrades would cost $100/kw

822 451 **SO 2** **Emission Rate N** **o t** **e s**  **Cost effectiveness ($/ton) N** **o t** **e s** 

### Variable **Designation Units**  **Value**

Unique ID 8223_1 8223_2 Plant Name Springerville Springerville Unit # 1 2 Unit Size A MW 424.8 424.8 Gross Heat Rate C Btu/kwhr 10001 9893 SO2 Rate D lb/Mmbtu 2.40 2.40 CF 65.0% 70.0% Type of Coal E sub sub Coal Factor F 1.05 1.05 Retrofit Factor B 1 1 HR Factor G 1.0001 0.9893 Heat Input H Btu/hr 4.25E+09 4.20E+09 Limestone Rate K ton/hr 8.93 8.84 Waste Rate L ton/hr 16.18 16.00
Aux. Power M % 1.60 1.58 Makeup Water Rate N (1000gph) 35 35 Limestone Cost P $/ton 15 15 Waste Disposal Cost Q $/ton 30 30 Aux Power Cost R $/kwh 0.06 0.06 Makeup Water Cost S $/1000 1 1 Operating Labor Rate T $/hr 60 60

**Capital Cost Calculation (includes equipment, installation, buildings, foundations,electrical, minor physical/chemical ww treatment and retrofit difficulty)**

BMR ($) = base absorber island cost 44,151,125 43,864,434 BMF ($) = base reagent preparation cost18,819,588 18,758,387 BMW ($) = base waste handling cost 11,295,220 11,240,167 BMB ($) = BOP cost 78,450,293 78,110,318 BMWW ($) = Waste water treatment BM ($) = Total base cost 152,716,227 151,973,305 BM ($/KW) = 360 358 **Total Project Cost** A1 = 10% of BM ($) = Eng. and Construction management 15,271,623 15,197,331 A2 = 10% of BM ($) = Labor adjustment 15,271,623 15,197,331 A3 = 10% of BM ($) = Contractor profit/fees 15,271,623 15,197,331**CECC ($) =** Cap., Eng. and management 198,531,095 197,565,297

**CECC ($/kw) =** 467 465
B1 = 5% of CECC owners cost **TPC' ($) =** TPC w/o AFUDC 198,531,095 197,565,297 **TPC' ($/kw) =** 467 465
B2 = 10% of TPC' AFUDC (3yr cycle) **TPC ($) = Total project cost**  198,531,095 197,565,297 **TPC ($/kw) =** 467 465
**Fixed O&M Cost** FOMO ($/kw-yr) = fixed O&M - additional labor cost 3.5 3.5 FOMM ($/kw-yr) = fixed O&M - additional maintenace, mtl and labor cost 5.4 5.4 FOMA ($/kw-yr) = fixed O&M - additional administration labor cost 0.17 0.17 FOMWW ($/kw-yr) = fixed O&M - wastewater treatment **FOM ($/kw-yr) = Total Fixed O&M Cost**  9.09 9.06
**Variable O&M Cost** VOMR ($/MWhr) = Variable O&M - limestone 0.32 0.31 VOMW ($/MWhr) = Variable O&M - waste disposal 1.14 1.13 VOMP ($/MWhr) = Variable O&M - aux. power 0.96 0.95 VOMM ($/MWhr) = Variable O&M - makeup water 0.08 0.08 VOMWW ($/MWhr) = Variable O&M - water treatment **VOM ($/MWhr) = Total Variable O&M Cost**  2.50 2.47

CR = 9.44% 9.44% Property Taxes and Insurance 1.20% 1.20%

Total Charge Rate 10.64% 10.64%

CF 65% 70% Control Efficiency for SO2>3lb/Mbtu=98%; <3 = (SO2-0.06)/SO2 98% 98% **Uncontrolled Rate** SO2 Rate (lb/hr) (lb/Mbtu*Heat Input)/1000000 10196 10086 SO2 Rate (lb/MMBtu) 2.400 2.400

SO2 (TPY) Lb/hr*8760*CF/2000 29029 30924 **Controlled Rate** SO2 Rate (lb/hr) 254.9 252.2 SO2 Rate (lb/MMBtu) 0.06 0.06

SO2 (TPY) 726 773**Total Cost/year** TPC*CR+(FOM*MW)+VOM(MW*8760)*CF 31,030,262 31,311,073

### Calculation

read from Plant Data table read from Plant Data table read from Plant Data table read from Plant Data table Based on APS Cholla coal contract for Lee Ranch/El Segundo coal (Springerville uses the same coal type) read from Plant Data table user input Bit=1; PRB=1.05; Lig=1.07 1 = typical retrofit C/10000 A*C*1000 17.52*A*D*G/2000 1.811*K (1.05e^(0.155*D))*F*G (1.674*D+74.68)*A*F*G/1000

Total Labor Cost

**Capital Cost Calculation (includes equipment, installation, buildings, foundations,electrical, minor physical/chemical ww treatment and retrofit difficulty)**Source data

Based on APS Cholla coal contract for Lee Ranch/El Segundo coal (Springerville uses the same coal type)

http://www.epa.gov/airmarkets/progsregs/epa-ipm/BaseCasev410.html#documentationSource data

http://www.epa.gov/airmarkets/progsregs/epa-ipm/BaseCasev410.html#documentation

### Variable **Designation Units**  **Value**

Unique ID Unique ID 8223_1 8223_2 Plant Name Plant Springerville Springerville Unit # Unit 1 2 Unit Size A MW 424.8 424.8 Gross Heat Rate C Btu/kwhr 10001 9893 SO2 Rate D lb/MMbtu 2.40 2.40 CF CF 65.0% 70.0% Type of Coal E prb prb Coal Factor F 1.05 1.05 Retrofit Factor B 1 1 HR Factor G 1.0001 0.9893 Heat Input H Btu/hr 4.25E+09 4.20E+09 Lime Rate K ton/hr 7.6617 7.5789 Waste Rate L ton/hr 16.9 16.7
Aux. Power M % 1.38 1.37 Makeup Water Rate N (1000gph) 25 25 Lime Cost P $/ton 95 95 Waste Disposal Cost Q $/ton 30 30 Aux Power Cost R $/kwh 0.06 0.06 Makeup Water Cost S $/1000 1 1 Operating Labor Rate T $/hr 60 60

**Capital Cost Calculation (includes equipment, installation, buildings, foundations,electrical, minor physical/chemical ww treatment and retrofit difficulty)**

BMR ($) = base absorber island cost 44,169,012 43,882,204 BMF ($) = base reagent preparation cost 27,224,023 27,164,969 BMB ($) = BOP cost 62,061,173 61,792,222 BM ($) = Total base cost 133,454,208 132,839,395 BM ($/KW) = 314 313 **Total Project Cost** A1 = 10% of BM ($) = Eng. and Construction management 13,345,421 13,283,940 A2 = 10% of BM ($) = Labor adjustment 13,345,421 13,283,940 A3 = 10% of BM ($) = Contractor profit/fees 13,345,421 13,283,940**CECC ($) =** Cap., Eng. and management 173,490,470 172,691,214

**CECC ($/kw) =** 408 407
B1 = 5% of CECCowners cost

- - **TPC' ($) =** TPC w/o AFUDC 173,490,470 172,691,214 **TPC' ($/kw) =** 408 407
B2 = 10% of TPC'AFUDC (3yr cycle) **TPC ($) = Total project cost**  173,490,470 172,691,214 **TPC ($/kw) =** 408 407
**Fixed O&M Cost** FOMO ($/kw-yr) = fixed O&M - additional labor cost 2.4 2.4 FOMM ($/kw-yr) = fixed O&M - additional maintenace, mtl and labor cost 4.7 4.7 FOMA ($/kw-yr) = fixed O&M - additional administration labor cost 0.13 0.13
**FOM ($/kw-yr) = Total Fixed O&M Cost**  7.19 7.17
**Variable O&M Cost** VOMR ($/MWhr) = Variable O&M - limestone 1.71 1.69 VOMW ($/MWhr) = Variable O&M - waste disposal 1.19 1.18 VOMP ($/MWhr) = Variable O&M - aux. power 0.83 0.82 VOMM ($/MWhr) = Variable O&M - makeup water 0.06 0.06
**VOM ($/MWhr) = Total Variable O&M Cost**  3.80 3.76

CR = 9.44% 9.44% Property Taxes and Insurance 1.20% 1.20%

Total Charge Rate 10.64% 10.64%

CF 65% 70% Control Efficiencyfor SO2>1.6lb/Mbtu=95%; <3 = (SO2-0.08)/SO2 97% 97% **Uncontrolled Rate** (lb/Mbtu*Heat Input)/1000000 SO2 Rate (lb/hr) Lb/hr*8760*CF/2000 10196 10086 SO2 Rate (lb/MMBtu) 2.400 2.400

SO2 (TPY) 29029 30924 **Controlled Rate** SO2 Rate (lb/hr) 339.9 336.2 SO2 Rate (lb/MMBtu) TPC*CR+(FOM*MW)+VOM(MW*8760)*CF 0.08 0.08

SO2 (TPY) 968 1031**Total Cost/year** $30,694,730 $31,199,911

### Calculation

user input user input Based on APS Cholla coal contract for Lee Ranch/El Segundo coal (Springerville uses the same coal type) user input Bit=1; PRB=1.05; Lig=1.07 1 = typical retrofit C/10000 A*C*1000 (0.6702*(D^2)+13.42*D)*A*G/2000 (95% SO2) http://www.epa.gov/airmarkets/progsregs/epa-ipm/BaseCasev410.html#documentation (0.8016*(D^2)+31.1917*D)*A*G/2000 (0.000547*D^2+0.00649*D+1.3)*F*G (0.04898*(D^2)+0.5925*D+55.11)*A*F*G/1000

Total Labor Cost

**Capital Cost Calculation (includes equipment, installation, buildings, foundations,electrical, minor physical/chemical ww treatment and retrofit difficulty)**http://www.epa.gov/airmarkets/progsregs/epa-ipm/BaseCasev410.html#documentation

### Variable **Designation Units**  **Value**

Wastewater Treatment Unique ID 8223_1 Plant Springerville Unit 1 Unit Size A MW 424.8 Gross Heat Rate C Btu/kwhr 10001 SO2 Rate D lb/Mmbtu 0.218 CF CF 0.65 Type of Coal E prb Coal Factor F 1.05 Retrofit Factor B 1 HR Factor G 1.0001 Heat Input H Btu/hr 4.25E+09 Lime Rate K ton/hr 0.4631 Waste Rate L ton/hr 1.00
Aux. Power M % 1.37 Makeup Water Rate N (1000gph) 25 Lime Cost P $/ton 95 Waste Disposal Cost Q $/ton 30 Aux Power Cost R $/kwh 0.06 Makeup Water Cost S $/1000 1 Operating Labor Rate T $/hr 60

**Capital Cost Calculation (includes equipment, installation, buildings, foundations,electrical, minor physical/chemical ww treatment and retrofit difficulty)**

BMR ($) = base absorber island cost BMF ($) = base reagent preparation cost BMB ($) = BOP cost BM ($) = Total base cost BM ($/KW) = **Total Project Cost** A1 = 10% of BM ($) = Eng. and Construction management A2 = 10% of BM ($) = Labor adjustment A3 = 10% of BM ($) = Contractor profit/fees

**CECC ($) =** Cap., Eng. and management**CECC ($/kw) =**

B1 = 5% of CECCowners cost **TPC' ($) =** TPC w/o AFUDC **TPC' ($/kw) =**
B2 = 10% of TPC'AFUDC (3yr cycle) **TPC ($) = Total project cost**  42,480,000 **TPC ($/kw) =** 100
**Fixed O&M Cost** FOMO ($/kw-yr) = fixed O&M - additional labor cost FOMM ($/kw-yr) = fixed O&M - additional maintenace, mtl and labor cost FOMA ($/kw-yr) = fixed O&M - additional administration labor cost
**FOM ($/kw-yr) = Total Fixed O&M Cost** 
**Variable O&M Cost** VOMR ($/MWhr) = Variable O&M - limestone 0.10 VOMW ($/MWhr) = Variable O&M - waste disposal 0.07 VOMP ($/MWhr) = Variable O&M - aux. power VOMM ($/MWhr) = Variable O&M - makeup water
**VOM ($/MWhr) = Total Variable O&M Cost**  0.17

CR = 9.44% Property Taxes and Insurance 1.20%

Total Charge Rate 10.64% **Cost of control - $/Ton**CF 65% Control Efficiency 31% **Uncontrolled Rate** (lb/Mbtu*Heat Input)/1000000 SO2 Rate (lb/hr) Lb/hr*8760*CF/2000 926 SO2 Rate (lb/MMBtu) 0.218

SO2 (TPY) 2637 **Controlled Rate** SO2 Rate (lb/hr) 637.3 SO2 Rate (lb/MMBtu) 0.15

SO2 (TPY) 1814**Total Cost/year** $4,940,178

### Calculation

8223_2 Not included at present Springerville 2

424.8 9893 0.185 0.7 prb 1.05 Bit=1; PRB=1.05; Lig=1.07 1 1 = typical retrofit 0.9893 C/10000 4.20E+09 A*C*1000 0.3887 SO2 rate (ca/S=1) 0.84 lime rate *ratio from DFGD calc
1.35 (0.000547*D^2+0.00649*D+1.3)*F*G 24 (0.04898*(D^2)+0.5925*D+55.11)*A*F*G/1000 95 30 0.06 1 60 Total Labor Cost

**Capital Cost Calculation (includes equipment, installation, buildings, foundations,electrical, minor physical/chemical ww treatment and retrofit difficulty)**42,480,000 $100/kW assumed based upon MATS assumptions 100 See page #43 of this document: http://www.epa.gov/airmarkets/progsregs/epa-ipm/docs/SuppDoc410MATS.pdf).

0.09 0.06

0.15
9.44% 1.20% 10.64%

70% 19%
777 0.185 2384
630.4 0.15 1933$4,899,814See page #43 of this document: http://www.epa.gov/airmarkets/progsregs/epa-ipm/docs/SuppDoc410MATS.pdf).