Document ID: EPA-HQ-OAR-2003-0053-2230
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2005-12-06T05:00Z

Page
1
of
12
DCTM_
ARP.
xls
September
27,
2005
2010
2015
Entire
U.
S.
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
106
10%
36,765
12%
92
9%
30,420
10%
SCR/
Scrubber
191
18%
92,732
31%
303
28%
126,122
42%
SNCR
Only
47
4%
7,430
2%
40
4%
4,317
1%
SNCR/
Scrubber
22
2%
3,601
1%
30
3%
6,738
2%
Scrubber
Only
169
16%
55,933
19%
177
16%
61,807
21%
IGCC
3
0%
612
0%
3
0%
612
0%
Repower
1
0%
217
0%
1
0%
217
0%
Low
NOx
Burner
480
44%
100,970
33%
369
34%
66,953
22%
Not
Operating
62
6%
3,940
1%
66
6%
4,118
1%
Total
1,081
100%
302,200
100%
1,081
100%
301,304
100%

Alabama
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
20
51%
5,577
48%
16
41%
4,399
38%
SCR/
Scrubber
7
18%
3,418
30%
16
41%
6,049
52%
SNCR
Only
4
10%
890
8%
4
10%
890
8%
SNCR/
Scrubber
Scrubber
Only
IGCC
Repower
Low
NOx
Burner
6
15%
1,560
13%
1
3%
80
1%
Not
Operating
2
5%
130
1%
2
5%
130
1%
Total
39
100%
11,575
100%
39
100%
11,548
100%
3.83%
3.83%
Arizona
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
1
7%
380
7%
1
7%
380
7%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
11
73%
4,405
79%
11
73%
4,405
79%
IGCC
Repower
Low
NOx
Burner
3
20%
796
14%
3
20%
796
14%
Not
Operating
Total
15
100%
5,581
100%
15
100%
5,581
100%

1.85%
1.85%
Arkansas
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
5
100%
3,739
100%
IGCC
Repower
Low
NOx
Burner
5
100%
3,817
100%
Not
Operating
Total
5
100%
3,817
100%
5
100%
3,739
100%

1.26%
1.24%
Based
upon
IPM
run
EPA219b_
BART_
13
for
2010
and
2015
State­
by­
State
Projected
Retrofits
under
Clean
Air
Rules
Data
supporting
the
"
CAIR
Statewide
Budget
Calculations"
TSD
Page
2
of
12
DCTM_
ARP.
xls
September
27,
2005
2010
2015
California
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
SNCR
Only
SNCR/
Scrubber
3
50%
113
35%
3
50%
113
35%
Scrubber
Only
2
33%
153
47%
2
33%
153
47%
IGCC
Repower
Low
NOx
Burner
1
17%
58
18%
1
17%
58
18%
Not
Operating
Total
6
100%
324
100%
6
100%
324
100%
0.11%
0.11%
Colorado
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
9
41%
2,410
50%
16
73%
4,315
90%
IGCC
Repower
Low
NOx
Burner
13
59%
2,402
50%
6
27%
464
10%
Not
Operating
Total
22
100%
4,812
100%
22
100%
4,779
100%

1.59%
1.59%
Connecticut
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
2
100%
572
100%
2
100%
572
100%
IGCC
Repower
Low
NOx
Burner
Not
Operating
Total
2
100%
572
100%
2
100%
572
100%
0.19%
0.19%
Delaware
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
SNCR
Only
4
67%
816
82%
3
50%
413
42%
SNCR/
Scrubber
1
17%
395
40%
Scrubber
Only
IGCC
Repower
Low
NOx
Burner
2
33%
178
18%
2
33%
178
18%
Not
Operating
Total
6
100%
994
100%
6
100%
986
100%
0.33%
0.33%
Page
3
of
12
DCTM_
ARP.
xls
September
27,
2005
2010
2015
Florida
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
1
4%
477
5%
SCR/
Scrubber
13
46%
6,400
63%
15
54%
7,550
75%
SNCR
Only
1
4%
302
3%
1
4%
302
3%
SNCR/
Scrubber
1
4%
248
2%
1
4%
248
2%
Scrubber
Only
1
4%
111
1%
1
4%
111
1%
IGCC
1
4%
250
2%
1
4%
250
2%
Repower
Low
NOx
Burner
10
36%
2,355
23%
9
32%
1,658
16%
Not
Operating
Total
28
100%
10,143
100%
28
100%
10,119
100%

3.36%
3.36%
Georgia
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
2
6%
1,223
9%
2
6%
1,223
9%
SCR/
Scrubber
5
16%
4,268
32%
16
50%
6,916
53%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
1
3%
99
1%
1
3%
99
1%
IGCC
Repower
Low
NOx
Burner
24
75%
7,596
58%
13
41%
4,864
37%
Not
Operating
Total
32
100%
13,186
100%
32
100%
13,102
100%

4.36%
4.35%
Illinois
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
10
16%
4,192
27%
12
19%
4,491
29%
SCR/
Scrubber
12
19%
3,221
21%
12
19%
3,216
21%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
2
3%
754
5%
2
3%
754
5%
IGCC
Repower
Low
NOx
Burner
25
40%
6,576
43%
23
37%
6,276
41%
Not
Operating
13
21%
607
4%
13
21%
607
4%
Total
62
100%
15,350
100%
62
100%
15,344
100%
5.08%
5.09%
Indiana
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
14
21%
5,530
29%
13
19%
5,286
28%
SCR/
Scrubber
12
18%
5,321
28%
27
40%
10,499
56%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
7
10%
2,476
13%
1
1%
90
0%
IGCC
1
1%
262
1%
1
1%
262
1%
Repower
Low
NOx
Burner
29
43%
5,197
27%
21
31%
2,589
14%
Not
Operating
4
6%
155
1%
4
6%
155
1%
Total
67
100%
18,941
100%
67
100%
18,881
100%

6.27%
6.27%
Page
4
of
12
DCTM_
ARP.
xls
September
27,
2005
2010
2015
Iowa
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
1
3%
135
2%
SCR/
Scrubber
1
3%
790
13%
1
3%
790
13%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
1
3%
161
3%
1
3%
161
3%
IGCC
Repower
Low
NOx
Burner
25
83%
5,021
83%
24
80%
4,886
80%
Not
Operating
3
10%
99
2%
3
10%
99
2%
Total
30
100%
6,071
100%
30
100%
6,071
100%
2.01%
2.01%
Kansas
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
1
6%
682
13%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
7
39%
3,632
70%
8
44%
3,836
74%
IGCC
Repower
Low
NOx
Burner
11
61%
1,587
30%
9
50%
684
13%
Not
Operating
Total
18
100%
5,219
100%
18
100%
5,202
100%
1.73%
1.73%
Kentucky
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
3
6%
785
6%
SCR/
Scrubber
18
33%
7,901
56%
28
52%
10,572
75%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
7
13%
1,937
14%
IGCC
Repower
Low
NOx
Burner
26
48%
3,577
25%
26
48%
3,577
25%
Not
Operating
Total
54
100%
14,200
100%
54
100%
14,149
100%

4.70%
4.70%
Louisiana
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
1
17%
512
15%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
3
50%
1,700
50%
2
33%
1,188
35%
IGCC
Repower
Low
NOx
Burner
3
50%
1,730
50%
3
50%
1,730
50%
Not
Operating
Total
6
100%
3,430
100%
6
100%
3,430
100%

1.14%
1.14%
Page
5
of
12
DCTM_
ARP.
xls
September
27,
2005
2010
2015
Maine
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
SNCR
Only
1
100%
76
100%
1
100%
76
100%
SNCR/
Scrubber
Scrubber
Only
IGCC
Repower
Low
NOx
Burner
Not
Operating
Total
1
100%
76
100%
1
100%
76
100%
0.03%
0.03%
Maryland
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
2
13%
380
8%
SCR/
Scrubber
10
63%
3,924
82%
13
81%
4,436
93%
SNCR
Only
1
6%
204
4%
SNCR/
Scrubber
1
6%
200
4%
Scrubber
Only
IGCC
Repower
Low
NOx
Burner
1
6%
135
3%
Not
Operating
2
13%
114
2%
2
13%
114
2%
Total
16
100%
4,757
100%
16
100%
4,750
100%

1.57%
1.58%
Massachusetts
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
3
38%
1,025
65%
3
38%
1,025
65%
SNCR
Only
2
25%
154
10%
2
25%
154
10%
SNCR/
Scrubber
2
25%
251
16%
2
25%
250
16%
Scrubber
Only
1
13%
143
9%
1
13%
143
9%
IGCC
Repower
Low
NOx
Burner
Not
Operating
Total
8
100%
1,573
100%
8
100%
1,572
100%
0.52%
0.52%
Michigan
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
5
8%
3,260
28%
5
8%
3,260
28%
SCR/
Scrubber
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
4
7%
214
2%
4
7%
214
2%
IGCC
Repower
Low
NOx
Burner
50
85%
8,051
70%
46
78%
7,873
68%
Not
Operating
4
7%
178
2%
Total
59
100%
11,525
100%
59
100%
11,525
100%
3.81%
3.83%
Page
6
of
12
DCTM_
ARP.
xls
September
27,
2005
2010
2015
Minnesota
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
1
5%
571
12%
1
5%
571
12%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
6
30%
2,752
56%
6
30%
2,752
56%
IGCC
Repower
1
5%
217
4%
1
5%
217
4%
Low
NOx
Burner
12
60%
1,354
28%
12
60%
1,354
28%
Not
Operating
Total
20
100%
4,894
100%
20
100%
4,894
100%

1.62%
1.62%
Mississippi
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
4
57%
1,808
68%
SCR/
Scrubber
1
14%
440
17%
3
43%
840
32%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
2
29%
400
15%
IGCC
Repower
Low
NOx
Burner
4
57%
1,808
68%
Not
Operating
Total
7
100%
2,648
100%
7
100%
2,648
100%

0.88%
0.88%
Missouri
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
8
23%
3,163
29%
8
23%
3,163
29%
SCR/
Scrubber
1
3%
550
5%
1
3%
550
5%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
2
6%
400
4%
2
6%
400
4%
IGCC
Repower
Low
NOx
Burner
23
66%
6,600
61%
23
66%
6,600
61%
Not
Operating
1
3%
97
1%
1
3%
97
1%
Total
35
100%
10,810
100%
35
100%
10,810
100%
3.58%
3.59%
Montana
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
5
71%
2,104
91%
5
71%
2,104
91%
IGCC
Repower
Low
NOx
Burner
2
29%
211
9%
2
29%
211
9%
Not
Operating
Total
7
100%
2,315
100%
7
100%
2,315
100%

0.77%
0.77%
Page
7
of
12
DCTM_
ARP.
xls
September
27,
2005
2010
2015
Nebraska
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
4
31%
2,126
70%
IGCC
Repower
Low
NOx
Burner
13
100%
3,077
100%
9
69%
912
30%
Not
Operating
Total
13
100%
3,077
100%
13
100%
3,038
100%
1.02%
1.01%
Nevada
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
7
78%
2,459
87%
8
89%
2,713
96%
IGCC
1
11%
100
4%
1
11%
100
4%
Repower
Low
NOx
Burner
1
11%
258
9%
Not
Operating
Total
9
100%
2,817
100%
9
100%
2,813
100%
0.93%
0.93%
New
Hampshire
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
2
40%
424
75%
2
40%
424
75%
SNCR
Only
3
60%
145
25%
3
60%
145
25%
SNCR/
Scrubber
Scrubber
Only
IGCC
Repower
Low
NOx
Burner
Not
Operating
Total
5
100%
569
100%
5
100%
569
100%

0.19%
0.19%
New
Jersey
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
1
13%
321
16%
SCR/
Scrubber
4
50%
1,302
66%
5
63%
1,616
82%
SNCR
Only
1
13%
129
6%
1
13%
129
7%
SNCR/
Scrubber
1
13%
155
8%
1
13%
155
8%
Scrubber
Only
IGCC
Repower
Low
NOx
Burner
1
13%
80
4%
1
13%
80
4%
Not
Operating
Total
8
100%
1,987
100%
8
100%
1,980
100%

0.66%
0.66%
Page
8
of
12
DCTM_
ARP.
xls
September
27,
2005
2010
2015
New
Mexico
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
10
100%
3,889
100%
10
100%
3,889
100%
IGCC
Repower
Low
NOx
Burner
Not
Operating
Total
10
100%
3,889
100%
10
100%
3,889
100%
1.29%
1.29%
New
York
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
3
11%
1,025
27%
10
36%
2,337
63%
SNCR
Only
3
11%
210
6%
4
14%
302
8%
SNCR/
Scrubber
1
4%
50
1%
1
4%
50
1%
Scrubber
Only
2
7%
193
5%
2
7%
193
5%
IGCC
Repower
Low
NOx
Burner
12
43%
1,778
48%
4
14%
346
9%
Not
Operating
7
25%
477
13%
7
25%
477
13%
Total
28
100%
3,733
100%
28
100%
3,705
100%

1.24%
1.23%
North
Carolina
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
12
21%
3,772
29%
1
2%
106
1%
SCR/
Scrubber
16
28%
6,333
49%
27
47%
9,909
78%
SNCR
Only
13
22%
806
6%
13
22%
806
6%
SNCR/
Scrubber
3
5%
503
4%
3
5%
503
4%
Scrubber
Only
5
9%
973
8%
5
9%
973
8%
IGCC
Repower
Low
NOx
Burner
9
16%
444
3%
9
16%
444
3%
Not
Operating
Total
58
100%
12,831
100%
58
100%
12,741
100%
4.25%
4.23%
North
Dakota
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
3
23%
1,096
31%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
10
77%
3,265
91%
8
62%
2,365
66%
IGCC
Repower
Low
NOx
Burner
3
23%
312
9%
2
15%
102
3%
Not
Operating
Total
13
100%
3,577
100%
13
100%
3,563
100%
1.18%
1.18%
Page
9
of
12
DCTM_
ARP.
xls
September
27,
2005
2010
2015
Ohio
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
2
3%
360
2%
2
3%
360
2%
SCR/
Scrubber
29
37%
14,427
67%
33
42%
15,370
71%
SNCR
Only
4
5%
1,509
7%
2
3%
309
1%
SNCR/
Scrubber
1
1%
584
3%
3
4%
1,759
8%
Scrubber
Only
2
3%
119
1%
2
3%
119
1%
IGCC
Repower
Low
NOx
Burner
31
40%
3,984
18%
27
35%
3,020
14%
Not
Operating
9
12%
591
3%
9
12%
591
3%
Total
78
100%
21,574
100%
78
100%
21,528
100%

7.14%
7.14%
Oklahoma
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
3
25%
827
16%
11
92%
4,611
90%
IGCC
Repower
Low
NOx
Burner
9
75%
4,338
84%
1
8%
490
10%
Not
Operating
Total
12
100%
5,165
100%
12
100%
5,101
100%
1.71%
1.69%
Oregon
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
IGCC
Repower
Low
NOx
Burner
1
100%
508
100%
1
100%
508
100%
Not
Operating
Total
1
100%
508
100%
1
100%
508
100%
0.17%
0.17%
Pennsylvania
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
19
30%
11,577
66%
25
39%
13,381
76%
SNCR
Only
4
6%
930
5%
1
2%
87
0%
SNCR/
Scrubber
6
9%
700
4%
9
14%
1,525
9%
Scrubber
Only
9
14%
527
3%
9
14%
527
3%
IGCC
Repower
Low
NOx
Burner
12
19%
2,711
15%
6
9%
868
5%
Not
Operating
14
22%
1,157
7%
14
22%
1,157
7%
Total
64
100%
17,602
100%
64
100%
17,545
100%

5.82%
5.82%
Page
10
of
12
DCTM_
ARP.
xls
September
27,
2005
2010
2015
South
Carolina
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
3
12%
1,260
22%
2
8%
503
9%
SCR/
Scrubber
6
23%
2,170
38%
8
31%
3,060
54%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
2
8%
440
8%
2
8%
440
8%
IGCC
Repower
Low
NOx
Burner
15
58%
1,837
32%
14
54%
1,684
30%
Not
Operating
Total
26
100%
5,707
100%
26
100%
5,687
100%
1.89%
1.89%
South
Dakota
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
1
100%
444
100%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
IGCC
Repower
Low
NOx
Burner
1
100%
452
100%
Not
Operating
Total
1
100%
452
100%
1
100%
444
100%
0.15%
0.15%
Tennessee
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
13
39%
2,282
27%
17
52%
2,986
36%
SCR/
Scrubber
3
9%
3,312
40%
4
12%
3,486
42%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
IGCC
Repower
Low
NOx
Burner
17
52%
2,782
33%
12
36%
1,900
23%
Not
Operating
Total
33
100%
8,376
100%
33
100%
8,372
100%

2.77%
2.78%
Texas
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
5
14%
2,916
15%
2
5%
1,056
5%
SCR/
Scrubber
1
3%
555
3%
4
11%
2,393
12%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
15
41%
8,302
43%
15
41%
8,302
43%
IGCC
Repower
Low
NOx
Burner
16
43%
7,582
39%
16
43%
7,582
39%
Not
Operating
Total
37
100%
19,355
100%
37
100%
19,333
100%

6.40%
6.42%
Page
11
of
12
DCTM_
ARP.
xls
September
27,
2005
2010
2015
Utah
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
7
64%
3,690
85%
7
64%
3,690
85%
IGCC
Repower
Low
NOx
Burner
4
36%
650
15%
4
36%
650
15%
Not
Operating
Total
11
100%
4,340
100%
11
100%
4,340
100%
1.44%
1.44%
Virginia
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
4
11%
925
17%
2
5%
322
6%
SCR/
Scrubber
2
5%
892
16%
8
22%
2,338
42%
SNCR
Only
5
14%
704
13%
5
14%
704
13%
SNCR/
Scrubber
4
11%
996
18%
4
11%
996
18%
Scrubber
Only
7
19%
398
7%
7
19%
398
7%
IGCC
Repower
Low
NOx
Burner
13
35%
1,510
27%
9
24%
645
12%
Not
Operating
2
5%
176
3%
2
5%
176
3%
Total
37
100%
5,601
100%
37
100%
5,579
100%

1.85%
1.85%
Washington
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
2
67%
1,404
98%
2
67%
1,404
98%
IGCC
Repower
Low
NOx
Burner
1
33%
25
2%
1
33%
25
2%
Not
Operating
Total
3
100%
1,429
100%
3
100%
1,429
100%

0.47%
0.47%
West
Virginia
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
18
49%
11,239
78%
27
73%
13,294
92%
SNCR
Only
1
3%
555
4%
SNCR/
Scrubber
1
3%
543
4%
Scrubber
Only
4
11%
218
2%
4
11%
218
2%
IGCC
Repower
Low
NOx
Burner
9
24%
2,099
15%
Not
Operating
5
14%
337
2%
5
14%
337
2%
Total
37
100%
14,448
100%
37
100%
14,392
100%
4.78%
4.78%
Page
12
of
12
DCTM_
ARP.
xls
September
27,
2005
2010
2015
Wisconsin
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
1
3%
342
5%
5
14%
1,322
20%
SCR/
Scrubber
2
6%
1,189
18%
6
17%
2,308
35%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
IGCC
Repower
Low
NOx
Burner
32
91%
5,122
77%
24
69%
3,007
45%
Not
Operating
Total
35
100%
6,653
100%
35
100%
6,637
100%

2.20%
2.20%
Wyoming
#
of
Units
Unit
%
MW
MW
%
#
of
Units
Unit
%
MW
MW
%
SCR
Only
SCR/
Scrubber
1
6%
80
1%
1
6%
80
1%
SNCR
Only
SNCR/
Scrubber
Scrubber
Only
11
65%
4,805
84%
11
65%
4,805
84%
IGCC
Repower
Low
NOx
Burner
5
29%
812
14%
5
29%
812
14%
Not
Operating
Total
17
100%
5,697
100%
17
100%
5,697
100%
1.89%
1.89%