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 im

3 This is an estimate from 2008-2011 period based upon reported heat input, capacity and heat rate in N

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% 10001 T LNC1

0.167 0.19 0.185 70% 9893 T LNC1

1 2 2 3 4

n Air Markets Division Web Site

re was reason to believe that an implemented change in equipment had reduced emissions for 2011

t input, capacity and heat rate in NEEDS v4.10

cumentationpage 8-11

cumentationpage 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%

2011 Reported Rates modelled rate
Unit Control Option Ctrl Eff

(lb/MMBtu) (lb/hr) (tpy) (%)

Springerville 1 Uncontrolled 3.00 12745 36,286 --

DFGD (existing) 0.21 892 2,540 93% 1

WFGD 0.06 255 726 98%

Springerville 2 Uncontrolled 3.00 12608 38,655 --

DFGD (existing) 0.18 756 2,319 94% 1

WFGD 0.06 252 782 98%

1

 Based on 2007-11 annual average CAMD emission data

SO2 Emission Rate

N

otes
Total Capital Cost Total Annual Cost Cost effectiveness

($/ton)

$202,032,714 $32,553,987 $17,943

$201,052,181 $32,905,552 $21,398
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 3 3

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 11.16 11.04

Waste Rate L ton/hr 20.22 20.00

Aux. Power M % 1.76 1.74

Makeup Water Rate N (1000gph) 36 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 tr

BMR ($) = base absorber island cost 44,348,606 44,060,632

BMF ($) = base reagent preparation cost 20,122,555 20,057,116

BMW ($) = base waste handling cost 12,488,326 12,427,457

BMB ($) = BOP cost 78,450,293 78,110,318

BMWW ($) = Waste water treatment

BM ($) = Total base cost 155,409,780 154,655,524

BM ($/KW) = 366 364

Total Project Cost

A1 = 10% of BM ($) = Eng. and Construction management 15,540,978 15,465,552

A2 = 10% of BM ($) = Labor adjustment 15,540,978 15,465,552

A3 = 10% of BM ($) = Contractor profit/fees 15,540,978 15,465,552
CECC ($) = Cap., Eng. and management 202,032,714 201,052,181

CECC ($/kw) = 476 473

B1 = 5% of CECC owners cost

TPC' ($) = TPC w/o AFUDC 202,032,714 201,052,181

TPC' ($/kw) = 476 473

B2 = 10% of TPC' AFUDC (3yr cycle)

TPC ($) = Total project cost 202,032,714 201,052,181

TPC ($/kw) = 476 473

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 5.5 5.5

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 9.18 9.16

Variable O&M Cost

VOMR ($/MWhr) = Variable O&M - limestone 0.39 0.39

VOMW ($/MWhr) = Variable O&M - waste disposal 1.43 1.41

VOMP ($/MWhr) = Variable O&M - aux. power 1.05 1.04

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 2.96 2.93

CR = 9.44% 9.44%

Property Taxes and Insurance 1.20% 1.20%

Total Charge Rate 10.64% 10.64%

Cost of control - $/Ton

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 12745 12608

SO2 Rate (lb/MMBtu) 3.000 3.000

SO2 (TPY) Lb/hr*8760*CF/2000 36286 38655

Controlled Rate

SO2 Rate (lb/hr) 254.9 252.2

SO2 Rate (lb/MMBtu) 0.06 0.06

SO2 (TPY) 726 773
Tons/Year Removed 35560 37882

Total Cost/year TPC*CR+(FOM*MW)+VOM(MW*8760)*CF 32553987 32905552

$/Ton 915 869
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

cal, minor physical/chemical ww treatment and retrofit difficulty)


Source data

e coal type)

http://www.epa.gov/airmarkets/


Source 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 3 3

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 9.8334 9.7272

Waste Rate L ton/hr 21.4 21.2

Aux. Power M % 1.39 1.38

Makeup Water Rate N (1000gph) 26 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 tr

BMR ($) = base absorber island cost 44,267,683 43,980,234

BMF ($) = base reagent preparation cost 28,466,515 28,404,766

BMB ($) = BOP cost 62,061,173 61,792,222

BM ($) = Total base cost 134,795,370 134,177,222

BM ($/KW) = 317 316

Total Project Cost

A1 = 10% of BM ($) = Eng. and Construction management 13,479,537 13,417,722

A2 = 10% of BM ($) = Labor adjustment 13,479,537 13,417,722

A3 = 10% of BM ($) = Contractor profit/fees 13,479,537 13,417,722
CECC ($) = Cap., Eng. and management 175,233,981 174,430,388

CECC ($/kw) = 413 411

B1 = 5% of CECC owners cost - -

TPC' ($) = TPC w/o AFUDC 175,233,981 174,430,388

TPC' ($/kw) = 413 411

B2 = 10% of TPC' AFUDC (3yr cycle)

TPC ($) = Total project cost 175,233,981 174,430,388

TPC ($/kw) = 413 411

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 4.8 4.7

FOMA ($/kw-yr) = fixed O&M - additional administration labor cost 0.13 0.13

FOM ($/kw-yr) = Total Fixed O&M Cost 7.24 7.22

Variable O&M Cost

VOMR ($/MWhr) = Variable O&M - limestone 2.20 2.18

VOMW ($/MWhr) = Variable O&M - waste disposal 1.51 1.50

VOMP ($/MWhr) = Variable O&M - aux. power 0.83 0.83

VOMM ($/MWhr) = Variable O&M - makeup water 0.06 0.06

VOM ($/MWhr) = Total Variable O&M Cost 4.61 4.56

CR = 9.44% 9.44%

Property Taxes and Insurance 1.20% 1.20%

Total Charge Rate 10.64% 10.64%

Cost of control - $/Ton

CF 65% 70%

Control Efficiency for 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 12745 12608

SO2 Rate (lb/MMBtu) 3.000 3.000

SO2 (TPY) 36286 38655

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
Tons/Year Removed 35318 37624

Total Cost/year $32,858,583 $33,491,097

$/Ton $930 $890
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-ip

(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

 minor physical/chemical ww treatment and retrofit difficulty)


irmarkets/progsregs/epa-ipm/BaseCasev410.html#documentation