### 1

2

3 **Selective Catalytic Reduction Capital and O&M Costs GGS Unit 1**  

### 4 **Capital Costs** 

### 5 SCR Area $ 2,316,000 

### 6 Civil/SiteWork $ 710,000 

### 7 Flue Gas System/Ductwork $ 37,022,000 

### 8 Modifications $ 6,038,000 

### 9 Catalyst $ 9,216,000 

### 10 Common Structures/Buildings 

### 11 Urea to Ammonia System 

### 12 Miscellaneous Mechanical Items $ 513,000 

### 13 Pipe Rack $ 876,000 

### 14 Booster Fans 

### 15 Instrumentation and Controls 

### 16 Allowance for Additional Cranes 

### 17 Electrical Modifications 

### 18 Mobilization/Demobilization - 1% of Labor $ 294,000 

### 19 Cost Due to Overtime - 5-10's $ 4,249,000 

### 20 Per Diem $ 3,407,000 

### 21 Spare Parts - 3% of Equipment $ 275,000 

### 22 Freight $ 1,376,000 

### 23 General & Administration - 5% of Material and Labor $ 2,574,000 

### 24 Profit - 10% of Material and Labor $ 5,149,000 

### 25 EPC Fee - 20% of Total Cost $ 14,803,000 

### 26 **Subtotal** $ 88,818,000 

### 27 28 **Other Costs** 

### 29 Indirect $ 1,776,000 

### 30 Escalation $ 17,030,000 

### 31 Sales/Use Tax $ 1,738,000 

### 32 Contingency $ 21,525,000 

### 33 AFUDC $ 10,947,000 

### 34 **Subtotal** $ 53,016,000 

### 35 36 Total Capital Cost at 0.08 lbs/MMBtu $ 141,834,000 

### 37 Total Capital Cost at 0.05 lbs/MMBtu 

### 38 39 Capital Recovery Factor (CRF) 

### 40 Levelized Capital Cost 

### 41 42 Total Capital Cost (w/ fan sized for SCR only) at 0.08 lbs/MMBtu 

### 43 Levelized Capital Cost (w/ fan sized for SCR only) at 0.08 lbs/MMBtu 

## Gerald Gentleman Selective Catalytic Reduction BART Cost Analysis

### 44 Total Capital Cost (w/ fan sized for SCR only) at 0.05 lbs/MMBtu



### 45 Levelized Capital Cost (w/ fan sized for SCR only) at 0.05 lbs/MMBtu 

### 46 47 **O&M Costs** 

### 48 Levelized Fixed O&M 

### 49 Levelized Variable O&M at 0.08 lbs/MMBtu 

### 50 Levelized Variable O&M at 0.05 lbs/MMBtu 

### 51 Levelized O&M Cost at 0.08 lbs/MMBtu 

### 52 Levelized O&M Cost at 0.05 lbs/MMBtu 

### 53 Levelized Outage Cost 

### 54 Total Levelized Capital, Outage and O&M Cost at 0.08 lbs/MMBtu 

### 55 Total Levelized Capital, Outage and O&M Cost at 0.05 lbs/MMBtu 

### 56 57 NOx baseline 

### 58 NOx reduction at 0.08 lbs/MMBtu 

### 59 NOx Reduction at 0.05 lbs/MMBtu 

### 60 61 **Cost effectiveness ($/ton) at 0.08 lbs/MMBtu** 

### 62 **Cost Effectiveness ($/ton) at 0.05 lbs/MMBtu)**

### EPA

**GGS Unit 2 Common** 

**Facilities Auxiliary** 

**Power/ID Fans TOTAL STATION**  **TOTAL STATION**

$ 2,316,000 4,632,000 $ 4,632,000

$ $ 710,000 1,420,000 $ 1,420,000

$ $ 38,442,000 75,464,000 $ 75,464,000

$ $ 6,038,000 12,076,000 $ 12,076,000

$ $ 9,216,000 18,432,000 $ 18,432,000

$ $ 1,185,000 1,185,000 $ 1,185,000

$ $ 11,232,000 11,232,000 $ 11,232,000

$ $ 678,000$ 1,495,000 2,686,000 $ 2,686,000

$ $ 876,000 1,752,000 $ 1,752,000

$ $ 12,205,000 12,205,000

$ 12,205,000

$ $ 2,040,000 2,040,000 $ 2,040,000

$ $ 2,000,000 2,000,000 $ 2,000,000

$ $ 25,962,000 25,962,000

$ 25,962,000

$ $ 307,000$ 65,000$ 150,000 816,000 $ 816,000

$ $ 4,365,000 $ 935,000 $ 2,244,000 11,793,000 $ 11,793,000

$ $ 2,864,000 $ 685,000 $ 2,610,000 9,566,000 $ 9,566,000

$ $ 275,000 $ 246,000$ 536,000 1,332,000 $ 1,332,000

$ $ 1,394,000 $ 484,000 $ 1,157,000 4,411,000 $ 4,411,000

$ $ 2,662,000 $ 432,000 $ 1,116,000 6,784,000 $ 6,784,000

$ $ 5,323,000 $ 865,000 $ 2,232,000 13,569,000 $ 13,569,000

$ $ 15,093,000$ 9,304,000 $ 9,642,000 48,842,000 $ 13,464,880

$ Revised to 6.5% of capital costs not supported by vendor quotes $ 90,559,000$ 30,968,000$ 57,854,000 268,199,000 $ 232,821,880

$

$ 1,811,000$ 30,468,000 $ 1,157,000 35,212,000 $ 35,212,000

$ $ 18,492,000$ 13,467,000$ 11,493,000 60,482,000 $ 0 Not allowed under the Control Cost Manual $ 1,763,000 $ 679,000 $ 1,409,000 5,589,000 $ 5,589,000

$ $ 22,172,000$ 14,981,000$ 14,101,000 72,779,000 $ 51,846,176

$ Revised to 5% of direct costs + 15% of (direct + indirect costs) per Control Cost Manual $ 13,129,000$ 8,698,000 $ 8,376,000 41,150,000 $ 0 Not allowed under the Control Cost Manual $ 57,367,000$ 68,293,000$ 36,536,000 215,212,000 $ 92,647,176

$
$ 147,926,000$ 99,261,000$ 94,390,000 483,411,000 $ 325,469,000

$338,487,760 $ Increased by 4% to asccount for NOx control at 0.05 lbs/MMBtu - see separate worksheet

0.0820 0.0669 Revised based on a 30 year service life 39,617,000 $ Appears NPPD's calculation of $42,305,000 should be $39,617,000
$ 89,130,000 478,151,000

$ 320,209,000

$ 39,755,000 $ 21,427,000

$ Appears NPPD's calculation of $39,755,000 should be $39,186,000 

### GGS 

## Gerald Gentleman Selective Catalytic Reduction BART Cost Analysis333,017,360 $ Increased by 4% to account for NOx control at 0.05 lbs/MMBtu - see separate worksheet 22,285,000 $

1,466,000 $ 1,197,041

$ Adjusted based on the ratio of the CRFs 13,049,000 $ 13,049,000

$14,484,390 $ Increased by 11% to account for NOx control at 0.05 lbs/MMBtu - see separate worksheet 14,515,000 $ 14,246,041

$15,681,431 $ 1,021,000 $ 833,683

$ 54,291,000 $ 36,507,000

$38,800,000 $

15,288 15,288 Based on a NOx control rate of 0.23 lbs/MMBtu using combustion controls, and a heat input of 15,175.5 MMBtu/hr 9,970 9,970

11,964

**5,445 3,662** 

**3,243**Revised to 6.5% of capital costs not supported by vendor quotes

Not allowed under the Control Cost Manual

Revised to 5% of direct costs + 15% of (direct + indirect costs) per Control Cost Manual Not allowed under the Control Cost Manual

Increased by 4% to asccount for NOx control at 0.05 lbs/MMBtu - see separate worksheet

Revised based on a 30 year service life Appears NPPD's calculation of $42,305,000 should be $39,617,000

Appears NPPD's calculation of $39,755,000 should be $39,186,000Increased by 4% to account for NOx control at 0.05 lbs/MMBtu - see separate worksheet

Adjusted based on the ratio of the CRFs
Increased by 11% to account for NOx control at 0.05 lbs/MMBtu - see separate worksheet

Based on a NOx control rate of 0.23 lbs/MMBtu using combustion controls, and a heat input of 15,175.5 MMBtu/hr