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Unaudited Quarterly Financial Information (Tables)
12 Months Ended
Dec. 31, 2015
Schedule of Quarterly Financial Information [Table Text Block]
 
2015 Quarterly Periods Ended
 
March 31
 
June 30
 
September 30
 
December 31
 
Earnings Attributable to AEP Common Shareholders
$
629.2

 
$
430.0

 
$
518.3

 
$
469.6

 
 
 
 
 
 
 
 
 
 
Basic Earnings per Share Attributable to AEP Common Shareholders from Continuing Operations (a)
1.27

 
0.88

 
1.04

 
0.41

 
Basic Earnings per Share Attributable to AEP Common Shareholders from Discontinued Operations (b)
0.02

 

 
0.02

 
0.54

 
Total Basic Earnings per Share Attributable to AEP Common Shareholders (a)
1.29

 
0.88

 
1.06

 
0.95

 
 
 
 
 
 
 
 
 
 
Diluted Earnings per Share Attributable to AEP Common Shareholders from Continuing Operations (a)
1.27

 
0.88

 
1.04

 
0.41

 
Diluted Earnings per Share Attributable to AEP Common Shareholders from Discontinued Operations (b)
0.02

 

 
0.02

 
0.54

 
Total Diluted Earnings per Share Attributable to AEP Common Shareholders (a)
1.29

 
0.88

 
1.06

 
0.95

 
 
2014 Quarterly Periods Ended
 
March 31
 
June 30
 
September 30
 
December 31
 
Earnings Attributable to AEP Common Shareholders
$
559.8

 
$
389.9

 
$
493.2

 
$
190.9

 
 
 
 
 
 
 
 
 
 
Basic Earnings per Share Attributable to AEP Common Shareholders from Continuing Operations
1.14

 
0.79

 
0.99

 
0.32

 
Basic Earnings per Share Attributable to AEP Common Shareholders from Discontinued Operations (a)(b)
0.01

 
0.01

 
0.02

 
0.07

 
Total Basic Earnings per Share Attributable to AEP Common Shareholders (a)
1.15

 
0.80

 
1.01

 
0.39

 
 
 
 
 
 
 
 
 
 
Diluted Earnings per Share Attributable to AEP Common Shareholders from Continuing Operations
1.14

 
0.79

 
0.99

 
0.32

 
Diluted Earnings per Share Attributable to AEP Common Shareholders from Discontinued Operations (a)(b)
0.01

 
0.01

 
0.02

 
0.07

 
Total Diluted Earnings per Share Attributable to AEP Common Shareholders (a)
1.15

 
0.80

 
1.01

 
0.39

 

(a)
Quarterly Earnings per Share amounts are intended to be stand-alone calculations and are not always additive to full-year amount due to rounding.
(b)
Relates to sale of AEPRO (see Note 7).
Quarterly Periods Ended:
 
AEP
 
APCo
 
I&M
 
OPCo
 
PSO
 
SWEPCo
 
 
(in millions)
March 31, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,580.4

 
$
899.0

 
$
586.3

 
$
918.4

 
$
306.8

 
$
431.7

Operating Income
 
1,102.8

 
273.5

 
124.4

 
122.9

 
34.9

 
92.3

Income from Continuing Operations
 
620.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
10.5

 

 

 

 

 

Net Income
 
630.7

 
141.8

 
72.7

 
65.4

 
13.7

 
46.7

 
 
 
 
 
 
 
 
 
 
 
 
 
June 30, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,826.7

 
$
682.0

 
$
544.3

 
$
705.8

 
$
319.5

 
$
438.1

Operating Income
 
804.1

 
145.7

 
91.4

 
96.5

 
55.5

 
110.1

Income from Continuing Operations
 
431.4

 

 

 

 

 

Income (Loss) from Discontinued Operations, Net of Tax
 
(0.1
)
 

 

 

 

 

Net Income
 
431.3

 
59.0

 
50.6

 
47.7

 
27.1

 
59.5

 
 
 
 
 
 
 
 
 
 
 
 
 
September 30, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,431.4

 
$
727.5

 
$
568.3

 
$
782.3

 
$
420.3

 
$
532.5

Operating Income
 
960.2

 
157.9

 
103.4

 
140.9

 
84.5

 
141.2

Income from Continuing Operations
 
511.8

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
7.8

 

 

 

 

 

Net Income
 
519.6

 
74.6

 
56.6

 
71.6

 
44.7

 
82.1

 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,614.7

 
$
655.0

 
$
487.3

 
$
692.2

 
$
292.6

 
$
378.6

Operating Income
 
466.4

 
133.7

 
50.7

 
100.5

 
18.3

 
25.6

Income from Continuing Operations
 
205.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
265.5

(a)

 

 

 

 

Net Income
 
470.7

 
65.2

 
24.9

 
48.0

 
7.0

 
7.7


Quarterly Periods Ended:
 
AEP
 
APCo
 
I&M
 
OPCo
 
PSO
 
SWEPCo
 
 
(in millions)
March 31, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,497.5

 
$
913.4

 
$
641.8

 
$
880.2

 
$
301.4

 
$
440.6

Operating Income
 
1,032.3

 
220.0

 
146.0

 
115.7

 
25.3

 
64.7

Income from Continuing Operations
 
558.3

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
2.7

 

 

 

 

 

Net Income
 
561.0

 
101.8

 
87.1

 
60.8

 
8.4

 
23.0

 
 
 
 
 
 
 
 
 
 
 
 
 
June 30, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,900.6

 
$
694.7

 
$
533.9

 
$
786.1

 
$
318.8

 
$
449.3

Operating Income
 
760.7

 
110.7

 
57.1

 
114.0

 
48.9

 
78.8

Income from Continuing Operations
 
388.4

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
2.7

 

 

 

 

 

Net Income
 
391.1

 
36.2

 
27.3

 
56.5

 
22.5

 
32.8

 
 
 
 
 
 
 
 
 
 
 
 
 
September 30, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,161.4

 
$
709.9

 
$
542.9

 
$
839.2

 
$
417.0

 
$
531.8

Operating Income
 
904.9

 
130.2

 
62.9

 
104.7

 
87.4

 
133.2

Income from Continuing Operations
 
484.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
10.2

 

 

 

 

 

Net Income
 
494.4

 
48.8

 
26.6

 
54.1

 
45.1

 
74.6

 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,819.1

 
$
735.1

 
$
531.1

 
$
871.4

 
$
314.4

 
$
424.7

Operating Income
 
429.5

(b)
107.3

 
39.2

 
99.1

 
27.2

 
46.0

Income from Continuing Operations
 
159.6

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
31.9

 

 

 

 

 

Net Income
 
191.5

(b)
28.6

 
14.6

 
45.0

 
10.9

 
14.2



(a)
Includes sale of AEPRO (see Note 7).
(b)
Includes termination of coal contract and a KPCo regulatory disallowance (see Note 4).
Appalachian Power Co [Member]  
Schedule of Quarterly Financial Information [Table Text Block]
Quarterly Periods Ended:
 
AEP
 
APCo
 
I&M
 
OPCo
 
PSO
 
SWEPCo
 
 
(in millions)
March 31, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,580.4

 
$
899.0

 
$
586.3

 
$
918.4

 
$
306.8

 
$
431.7

Operating Income
 
1,102.8

 
273.5

 
124.4

 
122.9

 
34.9

 
92.3

Income from Continuing Operations
 
620.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
10.5

 

 

 

 

 

Net Income
 
630.7

 
141.8

 
72.7

 
65.4

 
13.7

 
46.7

 
 
 
 
 
 
 
 
 
 
 
 
 
June 30, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,826.7

 
$
682.0

 
$
544.3

 
$
705.8

 
$
319.5

 
$
438.1

Operating Income
 
804.1

 
145.7

 
91.4

 
96.5

 
55.5

 
110.1

Income from Continuing Operations
 
431.4

 

 

 

 

 

Income (Loss) from Discontinued Operations, Net of Tax
 
(0.1
)
 

 

 

 

 

Net Income
 
431.3

 
59.0

 
50.6

 
47.7

 
27.1

 
59.5

 
 
 
 
 
 
 
 
 
 
 
 
 
September 30, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,431.4

 
$
727.5

 
$
568.3

 
$
782.3

 
$
420.3

 
$
532.5

Operating Income
 
960.2

 
157.9

 
103.4

 
140.9

 
84.5

 
141.2

Income from Continuing Operations
 
511.8

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
7.8

 

 

 

 

 

Net Income
 
519.6

 
74.6

 
56.6

 
71.6

 
44.7

 
82.1

 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,614.7

 
$
655.0

 
$
487.3

 
$
692.2

 
$
292.6

 
$
378.6

Operating Income
 
466.4

 
133.7

 
50.7

 
100.5

 
18.3

 
25.6

Income from Continuing Operations
 
205.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
265.5

(a)

 

 

 

 

Net Income
 
470.7

 
65.2

 
24.9

 
48.0

 
7.0

 
7.7


Quarterly Periods Ended:
 
AEP
 
APCo
 
I&M
 
OPCo
 
PSO
 
SWEPCo
 
 
(in millions)
March 31, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,497.5

 
$
913.4

 
$
641.8

 
$
880.2

 
$
301.4

 
$
440.6

Operating Income
 
1,032.3

 
220.0

 
146.0

 
115.7

 
25.3

 
64.7

Income from Continuing Operations
 
558.3

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
2.7

 

 

 

 

 

Net Income
 
561.0

 
101.8

 
87.1

 
60.8

 
8.4

 
23.0

 
 
 
 
 
 
 
 
 
 
 
 
 
June 30, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,900.6

 
$
694.7

 
$
533.9

 
$
786.1

 
$
318.8

 
$
449.3

Operating Income
 
760.7

 
110.7

 
57.1

 
114.0

 
48.9

 
78.8

Income from Continuing Operations
 
388.4

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
2.7

 

 

 

 

 

Net Income
 
391.1

 
36.2

 
27.3

 
56.5

 
22.5

 
32.8

 
 
 
 
 
 
 
 
 
 
 
 
 
September 30, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,161.4

 
$
709.9

 
$
542.9

 
$
839.2

 
$
417.0

 
$
531.8

Operating Income
 
904.9

 
130.2

 
62.9

 
104.7

 
87.4

 
133.2

Income from Continuing Operations
 
484.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
10.2

 

 

 

 

 

Net Income
 
494.4

 
48.8

 
26.6

 
54.1

 
45.1

 
74.6

 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,819.1

 
$
735.1

 
$
531.1

 
$
871.4

 
$
314.4

 
$
424.7

Operating Income
 
429.5

(b)
107.3

 
39.2

 
99.1

 
27.2

 
46.0

Income from Continuing Operations
 
159.6

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
31.9

 

 

 

 

 

Net Income
 
191.5

(b)
28.6

 
14.6

 
45.0

 
10.9

 
14.2



(a)
Includes sale of AEPRO (see Note 7).
(b)
Includes termination of coal contract and a KPCo regulatory disallowance (see Note 4).

Indiana Michigan Power Co [Member]  
Schedule of Quarterly Financial Information [Table Text Block]
Quarterly Periods Ended:
 
AEP
 
APCo
 
I&M
 
OPCo
 
PSO
 
SWEPCo
 
 
(in millions)
March 31, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,580.4

 
$
899.0

 
$
586.3

 
$
918.4

 
$
306.8

 
$
431.7

Operating Income
 
1,102.8

 
273.5

 
124.4

 
122.9

 
34.9

 
92.3

Income from Continuing Operations
 
620.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
10.5

 

 

 

 

 

Net Income
 
630.7

 
141.8

 
72.7

 
65.4

 
13.7

 
46.7

 
 
 
 
 
 
 
 
 
 
 
 
 
June 30, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,826.7

 
$
682.0

 
$
544.3

 
$
705.8

 
$
319.5

 
$
438.1

Operating Income
 
804.1

 
145.7

 
91.4

 
96.5

 
55.5

 
110.1

Income from Continuing Operations
 
431.4

 

 

 

 

 

Income (Loss) from Discontinued Operations, Net of Tax
 
(0.1
)
 

 

 

 

 

Net Income
 
431.3

 
59.0

 
50.6

 
47.7

 
27.1

 
59.5

 
 
 
 
 
 
 
 
 
 
 
 
 
September 30, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,431.4

 
$
727.5

 
$
568.3

 
$
782.3

 
$
420.3

 
$
532.5

Operating Income
 
960.2

 
157.9

 
103.4

 
140.9

 
84.5

 
141.2

Income from Continuing Operations
 
511.8

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
7.8

 

 

 

 

 

Net Income
 
519.6

 
74.6

 
56.6

 
71.6

 
44.7

 
82.1

 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,614.7

 
$
655.0

 
$
487.3

 
$
692.2

 
$
292.6

 
$
378.6

Operating Income
 
466.4

 
133.7

 
50.7

 
100.5

 
18.3

 
25.6

Income from Continuing Operations
 
205.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
265.5

(a)

 

 

 

 

Net Income
 
470.7

 
65.2

 
24.9

 
48.0

 
7.0

 
7.7


Quarterly Periods Ended:
 
AEP
 
APCo
 
I&M
 
OPCo
 
PSO
 
SWEPCo
 
 
(in millions)
March 31, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,497.5

 
$
913.4

 
$
641.8

 
$
880.2

 
$
301.4

 
$
440.6

Operating Income
 
1,032.3

 
220.0

 
146.0

 
115.7

 
25.3

 
64.7

Income from Continuing Operations
 
558.3

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
2.7

 

 

 

 

 

Net Income
 
561.0

 
101.8

 
87.1

 
60.8

 
8.4

 
23.0

 
 
 
 
 
 
 
 
 
 
 
 
 
June 30, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,900.6

 
$
694.7

 
$
533.9

 
$
786.1

 
$
318.8

 
$
449.3

Operating Income
 
760.7

 
110.7

 
57.1

 
114.0

 
48.9

 
78.8

Income from Continuing Operations
 
388.4

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
2.7

 

 

 

 

 

Net Income
 
391.1

 
36.2

 
27.3

 
56.5

 
22.5

 
32.8

 
 
 
 
 
 
 
 
 
 
 
 
 
September 30, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,161.4

 
$
709.9

 
$
542.9

 
$
839.2

 
$
417.0

 
$
531.8

Operating Income
 
904.9

 
130.2

 
62.9

 
104.7

 
87.4

 
133.2

Income from Continuing Operations
 
484.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
10.2

 

 

 

 

 

Net Income
 
494.4

 
48.8

 
26.6

 
54.1

 
45.1

 
74.6

 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,819.1

 
$
735.1

 
$
531.1

 
$
871.4

 
$
314.4

 
$
424.7

Operating Income
 
429.5

(b)
107.3

 
39.2

 
99.1

 
27.2

 
46.0

Income from Continuing Operations
 
159.6

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
31.9

 

 

 

 

 

Net Income
 
191.5

(b)
28.6

 
14.6

 
45.0

 
10.9

 
14.2



(a)
Includes sale of AEPRO (see Note 7).
(b)
Includes termination of coal contract and a KPCo regulatory disallowance (see Note 4).

Ohio Power Co [Member]  
Schedule of Quarterly Financial Information [Table Text Block]
Quarterly Periods Ended:
 
AEP
 
APCo
 
I&M
 
OPCo
 
PSO
 
SWEPCo
 
 
(in millions)
March 31, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,580.4

 
$
899.0

 
$
586.3

 
$
918.4

 
$
306.8

 
$
431.7

Operating Income
 
1,102.8

 
273.5

 
124.4

 
122.9

 
34.9

 
92.3

Income from Continuing Operations
 
620.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
10.5

 

 

 

 

 

Net Income
 
630.7

 
141.8

 
72.7

 
65.4

 
13.7

 
46.7

 
 
 
 
 
 
 
 
 
 
 
 
 
June 30, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,826.7

 
$
682.0

 
$
544.3

 
$
705.8

 
$
319.5

 
$
438.1

Operating Income
 
804.1

 
145.7

 
91.4

 
96.5

 
55.5

 
110.1

Income from Continuing Operations
 
431.4

 

 

 

 

 

Income (Loss) from Discontinued Operations, Net of Tax
 
(0.1
)
 

 

 

 

 

Net Income
 
431.3

 
59.0

 
50.6

 
47.7

 
27.1

 
59.5

 
 
 
 
 
 
 
 
 
 
 
 
 
September 30, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,431.4

 
$
727.5

 
$
568.3

 
$
782.3

 
$
420.3

 
$
532.5

Operating Income
 
960.2

 
157.9

 
103.4

 
140.9

 
84.5

 
141.2

Income from Continuing Operations
 
511.8

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
7.8

 

 

 

 

 

Net Income
 
519.6

 
74.6

 
56.6

 
71.6

 
44.7

 
82.1

 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,614.7

 
$
655.0

 
$
487.3

 
$
692.2

 
$
292.6

 
$
378.6

Operating Income
 
466.4

 
133.7

 
50.7

 
100.5

 
18.3

 
25.6

Income from Continuing Operations
 
205.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
265.5

(a)

 

 

 

 

Net Income
 
470.7

 
65.2

 
24.9

 
48.0

 
7.0

 
7.7


Quarterly Periods Ended:
 
AEP
 
APCo
 
I&M
 
OPCo
 
PSO
 
SWEPCo
 
 
(in millions)
March 31, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,497.5

 
$
913.4

 
$
641.8

 
$
880.2

 
$
301.4

 
$
440.6

Operating Income
 
1,032.3

 
220.0

 
146.0

 
115.7

 
25.3

 
64.7

Income from Continuing Operations
 
558.3

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
2.7

 

 

 

 

 

Net Income
 
561.0

 
101.8

 
87.1

 
60.8

 
8.4

 
23.0

 
 
 
 
 
 
 
 
 
 
 
 
 
June 30, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,900.6

 
$
694.7

 
$
533.9

 
$
786.1

 
$
318.8

 
$
449.3

Operating Income
 
760.7

 
110.7

 
57.1

 
114.0

 
48.9

 
78.8

Income from Continuing Operations
 
388.4

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
2.7

 

 

 

 

 

Net Income
 
391.1

 
36.2

 
27.3

 
56.5

 
22.5

 
32.8

 
 
 
 
 
 
 
 
 
 
 
 
 
September 30, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,161.4

 
$
709.9

 
$
542.9

 
$
839.2

 
$
417.0

 
$
531.8

Operating Income
 
904.9

 
130.2

 
62.9

 
104.7

 
87.4

 
133.2

Income from Continuing Operations
 
484.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
10.2

 

 

 

 

 

Net Income
 
494.4

 
48.8

 
26.6

 
54.1

 
45.1

 
74.6

 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,819.1

 
$
735.1

 
$
531.1

 
$
871.4

 
$
314.4

 
$
424.7

Operating Income
 
429.5

(b)
107.3

 
39.2

 
99.1

 
27.2

 
46.0

Income from Continuing Operations
 
159.6

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
31.9

 

 

 

 

 

Net Income
 
191.5

(b)
28.6

 
14.6

 
45.0

 
10.9

 
14.2



(a)
Includes sale of AEPRO (see Note 7).
(b)
Includes termination of coal contract and a KPCo regulatory disallowance (see Note 4).

Public Service Co Of Oklahoma [Member]  
Schedule of Quarterly Financial Information [Table Text Block]
Quarterly Periods Ended:
 
AEP
 
APCo
 
I&M
 
OPCo
 
PSO
 
SWEPCo
 
 
(in millions)
March 31, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,580.4

 
$
899.0

 
$
586.3

 
$
918.4

 
$
306.8

 
$
431.7

Operating Income
 
1,102.8

 
273.5

 
124.4

 
122.9

 
34.9

 
92.3

Income from Continuing Operations
 
620.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
10.5

 

 

 

 

 

Net Income
 
630.7

 
141.8

 
72.7

 
65.4

 
13.7

 
46.7

 
 
 
 
 
 
 
 
 
 
 
 
 
June 30, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,826.7

 
$
682.0

 
$
544.3

 
$
705.8

 
$
319.5

 
$
438.1

Operating Income
 
804.1

 
145.7

 
91.4

 
96.5

 
55.5

 
110.1

Income from Continuing Operations
 
431.4

 

 

 

 

 

Income (Loss) from Discontinued Operations, Net of Tax
 
(0.1
)
 

 

 

 

 

Net Income
 
431.3

 
59.0

 
50.6

 
47.7

 
27.1

 
59.5

 
 
 
 
 
 
 
 
 
 
 
 
 
September 30, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,431.4

 
$
727.5

 
$
568.3

 
$
782.3

 
$
420.3

 
$
532.5

Operating Income
 
960.2

 
157.9

 
103.4

 
140.9

 
84.5

 
141.2

Income from Continuing Operations
 
511.8

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
7.8

 

 

 

 

 

Net Income
 
519.6

 
74.6

 
56.6

 
71.6

 
44.7

 
82.1

 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,614.7

 
$
655.0

 
$
487.3

 
$
692.2

 
$
292.6

 
$
378.6

Operating Income
 
466.4

 
133.7

 
50.7

 
100.5

 
18.3

 
25.6

Income from Continuing Operations
 
205.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
265.5

(a)

 

 

 

 

Net Income
 
470.7

 
65.2

 
24.9

 
48.0

 
7.0

 
7.7


Quarterly Periods Ended:
 
AEP
 
APCo
 
I&M
 
OPCo
 
PSO
 
SWEPCo
 
 
(in millions)
March 31, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,497.5

 
$
913.4

 
$
641.8

 
$
880.2

 
$
301.4

 
$
440.6

Operating Income
 
1,032.3

 
220.0

 
146.0

 
115.7

 
25.3

 
64.7

Income from Continuing Operations
 
558.3

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
2.7

 

 

 

 

 

Net Income
 
561.0

 
101.8

 
87.1

 
60.8

 
8.4

 
23.0

 
 
 
 
 
 
 
 
 
 
 
 
 
June 30, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,900.6

 
$
694.7

 
$
533.9

 
$
786.1

 
$
318.8

 
$
449.3

Operating Income
 
760.7

 
110.7

 
57.1

 
114.0

 
48.9

 
78.8

Income from Continuing Operations
 
388.4

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
2.7

 

 

 

 

 

Net Income
 
391.1

 
36.2

 
27.3

 
56.5

 
22.5

 
32.8

 
 
 
 
 
 
 
 
 
 
 
 
 
September 30, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,161.4

 
$
709.9

 
$
542.9

 
$
839.2

 
$
417.0

 
$
531.8

Operating Income
 
904.9

 
130.2

 
62.9

 
104.7

 
87.4

 
133.2

Income from Continuing Operations
 
484.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
10.2

 

 

 

 

 

Net Income
 
494.4

 
48.8

 
26.6

 
54.1

 
45.1

 
74.6

 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,819.1

 
$
735.1

 
$
531.1

 
$
871.4

 
$
314.4

 
$
424.7

Operating Income
 
429.5

(b)
107.3

 
39.2

 
99.1

 
27.2

 
46.0

Income from Continuing Operations
 
159.6

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
31.9

 

 

 

 

 

Net Income
 
191.5

(b)
28.6

 
14.6

 
45.0

 
10.9

 
14.2



(a)
Includes sale of AEPRO (see Note 7).
(b)
Includes termination of coal contract and a KPCo regulatory disallowance (see Note 4).

Southwestern Electric Power Co [Member]  
Schedule of Quarterly Financial Information [Table Text Block]
Quarterly Periods Ended:
 
AEP
 
APCo
 
I&M
 
OPCo
 
PSO
 
SWEPCo
 
 
(in millions)
March 31, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,580.4

 
$
899.0

 
$
586.3

 
$
918.4

 
$
306.8

 
$
431.7

Operating Income
 
1,102.8

 
273.5

 
124.4

 
122.9

 
34.9

 
92.3

Income from Continuing Operations
 
620.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
10.5

 

 

 

 

 

Net Income
 
630.7

 
141.8

 
72.7

 
65.4

 
13.7

 
46.7

 
 
 
 
 
 
 
 
 
 
 
 
 
June 30, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,826.7

 
$
682.0

 
$
544.3

 
$
705.8

 
$
319.5

 
$
438.1

Operating Income
 
804.1

 
145.7

 
91.4

 
96.5

 
55.5

 
110.1

Income from Continuing Operations
 
431.4

 

 

 

 

 

Income (Loss) from Discontinued Operations, Net of Tax
 
(0.1
)
 

 

 

 

 

Net Income
 
431.3

 
59.0

 
50.6

 
47.7

 
27.1

 
59.5

 
 
 
 
 
 
 
 
 
 
 
 
 
September 30, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,431.4

 
$
727.5

 
$
568.3

 
$
782.3

 
$
420.3

 
$
532.5

Operating Income
 
960.2

 
157.9

 
103.4

 
140.9

 
84.5

 
141.2

Income from Continuing Operations
 
511.8

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
7.8

 

 

 

 

 

Net Income
 
519.6

 
74.6

 
56.6

 
71.6

 
44.7

 
82.1

 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,614.7

 
$
655.0

 
$
487.3

 
$
692.2

 
$
292.6

 
$
378.6

Operating Income
 
466.4

 
133.7

 
50.7

 
100.5

 
18.3

 
25.6

Income from Continuing Operations
 
205.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
265.5

(a)

 

 

 

 

Net Income
 
470.7

 
65.2

 
24.9

 
48.0

 
7.0

 
7.7


Quarterly Periods Ended:
 
AEP
 
APCo
 
I&M
 
OPCo
 
PSO
 
SWEPCo
 
 
(in millions)
March 31, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,497.5

 
$
913.4

 
$
641.8

 
$
880.2

 
$
301.4

 
$
440.6

Operating Income
 
1,032.3

 
220.0

 
146.0

 
115.7

 
25.3

 
64.7

Income from Continuing Operations
 
558.3

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
2.7

 

 

 

 

 

Net Income
 
561.0

 
101.8

 
87.1

 
60.8

 
8.4

 
23.0

 
 
 
 
 
 
 
 
 
 
 
 
 
June 30, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,900.6

 
$
694.7

 
$
533.9

 
$
786.1

 
$
318.8

 
$
449.3

Operating Income
 
760.7

 
110.7

 
57.1

 
114.0

 
48.9

 
78.8

Income from Continuing Operations
 
388.4

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
2.7

 

 

 

 

 

Net Income
 
391.1

 
36.2

 
27.3

 
56.5

 
22.5

 
32.8

 
 
 
 
 
 
 
 
 
 
 
 
 
September 30, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
4,161.4

 
$
709.9

 
$
542.9

 
$
839.2

 
$
417.0

 
$
531.8

Operating Income
 
904.9

 
130.2

 
62.9

 
104.7

 
87.4

 
133.2

Income from Continuing Operations
 
484.2

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
10.2

 

 

 

 

 

Net Income
 
494.4

 
48.8

 
26.6

 
54.1

 
45.1

 
74.6

 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2014
 
 
 
 
 
 
 
 
 
 
 
 
Total Revenues
 
$
3,819.1

 
$
735.1

 
$
531.1

 
$
871.4

 
$
314.4

 
$
424.7

Operating Income
 
429.5

(b)
107.3

 
39.2

 
99.1

 
27.2

 
46.0

Income from Continuing Operations
 
159.6

 

 

 

 

 

Income from Discontinued Operations, Net of Tax
 
31.9

 

 

 

 

 

Net Income
 
191.5

(b)
28.6

 
14.6

 
45.0

 
10.9

 
14.2



(a)
Includes sale of AEPRO (see Note 7).
(b)
Includes termination of coal contract and a KPCo regulatory disallowance (see Note 4).