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Jointly Owned Utility Facilities (Tables)
 12 Months Ended
Dec. 31, 2019
Jointly Owned Facilities [Line Items]  
Jointly Owned Utility Facilities
At December 31, 2019 and 2018, the Balance Sheets reflect the owned interests in the generating plants listed below.
 
 
Ownership
Interest
 
Electric Plant
 
Accumulated
Depreciation
 
Construction
Work
in Progress
PPL and LKE
 
 
 
 
 
 
 
 
December 31, 2019
 
 
 
 
 
 
 
 
Trimble County Unit 1
75.00
%
 
$
440

 
$
54

 
$
2

 
Trimble County Unit 2
75.00
%
 
1,278

 
203

 
134


 
 
Ownership
Interest
 
Electric Plant
 
Accumulated
Depreciation
 
Construction
Work
in Progress
 
 
 
 
 
 
 
 
 
 
December 31, 2018
 

 
 

 
 

 
 

 
Trimble County Unit 1
75.00
%
 
$
427

 
$
77

 
$
—

 
Trimble County Unit 2
75.00
%
 
1,063

 
199

 
293

 
 
 
 
 
 
 
 
 
LG&E
 
 
 
 
 
 
 
 
December 31, 2019
 
 
 
 
 
 
 
 
E.W. Brown Units 6-7
38.00
%
 
$
45

 
$
20

 
$
—

 
Paddy's Run Unit 13 & E.W. Brown Unit 5
53.00
%
 
52

 
20

 
—

 
Trimble County Unit 1
75.00
%
 
440

 
54

 
2

 
Trimble County Unit 2
14.25
%
 
340

 
43

 
69

 
Trimble County Units 5-6
29.00
%
 
32

 
12

 
—

 
Trimble County Units 7-10
37.00
%
 
78

 
27

 
—

 
Cane Run Unit 7
22.00
%
 
119

 
13

 
—

 
E.W. Brown Solar Unit
39.00
%
 
10

 
2

 
—

 
Solar Share
44.00
%
 
1

 
—

 
—

 
 
 
 
 
 
 
 
 
 
December 31, 2018
 

 
 

 
 

 
 

 
E.W. Brown Units 6-7
38.00
%
 
$
41

 
$
20

 
$
—

 
Paddy's Run Unit 13 & E.W. Brown Unit 5
53.00
%
 
51

 
17

 
—

 
Trimble County Unit 1
75.00
%
 
427

 
77

 
—

 
Trimble County Unit 2
14.25
%
 
226

 
39

 
152

 
Trimble County Units 5-6
29.00
%
 
32

 
11

 
—

 
Trimble County Units 7-10
37.00
%
 
77

 
24

 
—

 
Cane Run Unit 7
22.00
%
 
119

 
9

 
—

 
E.W. Brown Solar Unit
39.00
%
 
10

 
1

 
—

 
 
 
 
 
 
 
 
 
KU
 
 
 
 
 
 
 
 
December 31, 2019
 
 
 
 
 
 
 
 
E.W. Brown Units 6-7
62.00
%
 
$
75

 
$
32

 
$
—

 
Paddy's Run Unit 13 & E.W. Brown Unit 5
47.00
%
 
46

 
14

 
—

 
Trimble County Unit 2
60.75
%
 
938

 
160

 
65

 
Trimble County Units 5-6
71.00
%
 
76

 
29

 
—

 
Trimble County Units 7-10
63.00
%
 
128

 
46

 
—

 
Cane Run Unit 7
78.00
%
 
429

 
49

 
1

 
E.W. Brown Solar Unit
61.00
%
 
16

 
2

 
—

 
Solar Share
56.00
%
 
2

 
—

 
—

 
 
 
 
 
 
 
 
 
 
December 31, 2018
 

 
 

 
 

 
 

 
E.W. Brown Units 6-7
62.00
%
 
$
66

 
$
31

 
$
—

 
Paddy's Run Unit 13 & E.W. Brown Unit 5
47.00
%
 
46

 
15

 
—

 
Trimble County Unit 2
60.75
%
 
837

 
160

 
141

 
Trimble County Units 5-6
71.00
%
 
76

 
25

 
—

 
Trimble County Units 7-10
63.00
%
 
129

 
41

 
—

 
Cane Run Unit 7
78.00
%
 
428

 
36

 
—

 
E.W. Brown Solar Unit
61.00
%
 
16

 
2

 
—
LG And E And KU Energy LLC [Member]  
Jointly Owned Facilities [Line Items]  
Jointly Owned Utility Facilities
At December 31, 2019 and 2018, the Balance Sheets reflect the owned interests in the generating plants listed below.
 
 
Ownership
Interest
 
Electric Plant
 
Accumulated
Depreciation
 
Construction
Work
in Progress
PPL and LKE
 
 
 
 
 
 
 
 
December 31, 2019
 
 
 
 
 
 
 
 
Trimble County Unit 1
75.00
%
 
$
440

 
$
54

 
$
2

 
Trimble County Unit 2
75.00
%
 
1,278

 
203

 
134


 
 
Ownership
Interest
 
Electric Plant
 
Accumulated
Depreciation
 
Construction
Work
in Progress
 
 
 
 
 
 
 
 
 
 
December 31, 2018
 

 
 

 
 

 
 

 
Trimble County Unit 1
75.00
%
 
$
427

 
$
77

 
$
—

 
Trimble County Unit 2
75.00
%
 
1,063

 
199

 
293

 
 
 
 
 
 
 
 
 
LG&E
 
 
 
 
 
 
 
 
December 31, 2019
 
 
 
 
 
 
 
 
E.W. Brown Units 6-7
38.00
%
 
$
45

 
$
20

 
$
—

 
Paddy's Run Unit 13 & E.W. Brown Unit 5
53.00
%
 
52

 
20

 
—

 
Trimble County Unit 1
75.00
%
 
440

 
54

 
2

 
Trimble County Unit 2
14.25
%
 
340

 
43

 
69

 
Trimble County Units 5-6
29.00
%
 
32

 
12

 
—

 
Trimble County Units 7-10
37.00
%
 
78

 
27

 
—

 
Cane Run Unit 7
22.00
%
 
119

 
13

 
—

 
E.W. Brown Solar Unit
39.00
%
 
10

 
2

 
—

 
Solar Share
44.00
%
 
1

 
—

 
—

 
 
 
 
 
 
 
 
 
 
December 31, 2018
 

 
 

 
 

 
 

 
E.W. Brown Units 6-7
38.00
%
 
$
41

 
$
20

 
$
—

 
Paddy's Run Unit 13 & E.W. Brown Unit 5
53.00
%
 
51

 
17

 
—

 
Trimble County Unit 1
75.00
%
 
427

 
77

 
—

 
Trimble County Unit 2
14.25
%
 
226

 
39

 
152

 
Trimble County Units 5-6
29.00
%
 
32

 
11

 
—

 
Trimble County Units 7-10
37.00
%
 
77

 
24

 
—

 
Cane Run Unit 7
22.00
%
 
119

 
9

 
—

 
E.W. Brown Solar Unit
39.00
%
 
10

 
1

 
—

 
 
 
 
 
 
 
 
 
KU
 
 
 
 
 
 
 
 
December 31, 2019
 
 
 
 
 
 
 
 
E.W. Brown Units 6-7
62.00
%
 
$
75

 
$
32

 
$
—

 
Paddy's Run Unit 13 & E.W. Brown Unit 5
47.00
%
 
46

 
14

 
—

 
Trimble County Unit 2
60.75
%
 
938

 
160

 
65

 
Trimble County Units 5-6
71.00
%
 
76

 
29

 
—

 
Trimble County Units 7-10
63.00
%
 
128

 
46

 
—

 
Cane Run Unit 7
78.00
%
 
429

 
49

 
1

 
E.W. Brown Solar Unit
61.00
%
 
16

 
2

 
—

 
Solar Share
56.00
%
 
2

 
—

 
—

 
 
 
 
 
 
 
 
 
 
December 31, 2018
 

 
 

 
 

 
 

 
E.W. Brown Units 6-7
62.00
%
 
$
66

 
$
31

 
$
—

 
Paddy's Run Unit 13 & E.W. Brown Unit 5
47.00
%
 
46

 
15

 
—

 
Trimble County Unit 2
60.75
%
 
837

 
160

 
141

 
Trimble County Units 5-6
71.00
%
 
76

 
25

 
—

 
Trimble County Units 7-10
63.00
%
 
129

 
41

 
—

 
Cane Run Unit 7
78.00
%
 
428

 
36

 
—

 
E.W. Brown Solar Unit
61.00
%
 
16

 
2

 
—
Louisville Gas And Electric Co [Member]  
Jointly Owned Facilities [Line Items]  
Jointly Owned Utility Facilities
At December 31, 2019 and 2018, the Balance Sheets reflect the owned interests in the generating plants listed below.
 
 
Ownership
Interest
 
Electric Plant
 
Accumulated
Depreciation
 
Construction
Work
in Progress
PPL and LKE
 
 
 
 
 
 
 
 
December 31, 2019
 
 
 
 
 
 
 
 
Trimble County Unit 1
75.00
%
 
$
440

 
$
54

 
$
2

 
Trimble County Unit 2
75.00
%
 
1,278

 
203

 
134


 
 
Ownership
Interest
 
Electric Plant
 
Accumulated
Depreciation
 
Construction
Work
in Progress
 
 
 
 
 
 
 
 
 
 
December 31, 2018
 

 
 

 
 

 
 

 
Trimble County Unit 1
75.00
%
 
$
427

 
$
77

 
$
—

 
Trimble County Unit 2
75.00
%
 
1,063

 
199

 
293

 
 
 
 
 
 
 
 
 
LG&E
 
 
 
 
 
 
 
 
December 31, 2019
 
 
 
 
 
 
 
 
E.W. Brown Units 6-7
38.00
%
 
$
45

 
$
20

 
$
—

 
Paddy's Run Unit 13 & E.W. Brown Unit 5
53.00
%
 
52

 
20

 
—

 
Trimble County Unit 1
75.00
%
 
440

 
54

 
2

 
Trimble County Unit 2
14.25
%
 
340

 
43

 
69

 
Trimble County Units 5-6
29.00
%
 
32

 
12

 
—

 
Trimble County Units 7-10
37.00
%
 
78

 
27

 
—

 
Cane Run Unit 7
22.00
%
 
119

 
13

 
—

 
E.W. Brown Solar Unit
39.00
%
 
10

 
2

 
—

 
Solar Share
44.00
%
 
1

 
—

 
—

 
 
 
 
 
 
 
 
 
 
December 31, 2018
 

 
 

 
 

 
 

 
E.W. Brown Units 6-7
38.00
%
 
$
41

 
$
20

 
$
—

 
Paddy's Run Unit 13 & E.W. Brown Unit 5
53.00
%
 
51

 
17

 
—

 
Trimble County Unit 1
75.00
%
 
427

 
77

 
—

 
Trimble County Unit 2
14.25
%
 
226

 
39

 
152

 
Trimble County Units 5-6
29.00
%
 
32

 
11

 
—

 
Trimble County Units 7-10
37.00
%
 
77

 
24

 
—

 
Cane Run Unit 7
22.00
%
 
119

 
9

 
—

 
E.W. Brown Solar Unit
39.00
%
 
10

 
1

 
—

 
 
 
 
 
 
 
 
 
KU
 
 
 
 
 
 
 
 
December 31, 2019
 
 
 
 
 
 
 
 
E.W. Brown Units 6-7
62.00
%
 
$
75

 
$
32

 
$
—

 
Paddy's Run Unit 13 & E.W. Brown Unit 5
47.00
%
 
46

 
14

 
—

 
Trimble County Unit 2
60.75
%
 
938

 
160

 
65

 
Trimble County Units 5-6
71.00
%
 
76

 
29

 
—

 
Trimble County Units 7-10
63.00
%
 
128

 
46

 
—

 
Cane Run Unit 7
78.00
%
 
429

 
49

 
1

 
E.W. Brown Solar Unit
61.00
%
 
16

 
2

 
—

 
Solar Share
56.00
%
 
2

 
—

 
—

 
 
 
 
 
 
 
 
 
 
December 31, 2018
 

 
 

 
 

 
 

 
E.W. Brown Units 6-7
62.00
%
 
$
66

 
$
31

 
$
—

 
Paddy's Run Unit 13 & E.W. Brown Unit 5
47.00
%
 
46

 
15

 
—

 
Trimble County Unit 2
60.75
%
 
837

 
160

 
141

 
Trimble County Units 5-6
71.00
%
 
76

 
25

 
—

 
Trimble County Units 7-10
63.00
%
 
129

 
41

 
—

 
Cane Run Unit 7
78.00
%
 
428

 
36

 
—

 
E.W. Brown Solar Unit
61.00
%
 
16

 
2

 
—
Kentucky Utilities Co [Member]  
Jointly Owned Facilities [Line Items]  
Jointly Owned Utility Facilities
At December 31, 2019 and 2018, the Balance Sheets reflect the owned interests in the generating plants listed below.
 
 
Ownership
Interest
 
Electric Plant
 
Accumulated
Depreciation
 
Construction
Work
in Progress
PPL and LKE
 
 
 
 
 
 
 
 
December 31, 2019
 
 
 
 
 
 
 
 
Trimble County Unit 1
75.00
%
 
$
440

 
$
54

 
$
2

 
Trimble County Unit 2
75.00
%
 
1,278

 
203

 
134


 
 
Ownership
Interest
 
Electric Plant
 
Accumulated
Depreciation
 
Construction
Work
in Progress
 
 
 
 
 
 
 
 
 
 
December 31, 2018
 

 
 

 
 

 
 

 
Trimble County Unit 1
75.00
%
 
$
427

 
$
77

 
$
—

 
Trimble County Unit 2
75.00
%
 
1,063

 
199

 
293

 
 
 
 
 
 
 
 
 
LG&E
 
 
 
 
 
 
 
 
December 31, 2019
 
 
 
 
 
 
 
 
E.W. Brown Units 6-7
38.00
%
 
$
45

 
$
20

 
$
—

 
Paddy's Run Unit 13 & E.W. Brown Unit 5
53.00
%
 
52

 
20

 
—

 
Trimble County Unit 1
75.00
%
 
440

 
54

 
2

 
Trimble County Unit 2
14.25
%
 
340

 
43

 
69

 
Trimble County Units 5-6
29.00
%
 
32

 
12

 
—

 
Trimble County Units 7-10
37.00
%
 
78

 
27

 
—

 
Cane Run Unit 7
22.00
%
 
119

 
13

 
—

 
E.W. Brown Solar Unit
39.00
%
 
10

 
2

 
—

 
Solar Share
44.00
%
 
1

 
—

 
—

 
 
 
 
 
 
 
 
 
 
December 31, 2018
 

 
 

 
 

 
 

 
E.W. Brown Units 6-7
38.00
%
 
$
41

 
$
20

 
$
—

 
Paddy's Run Unit 13 & E.W. Brown Unit 5
53.00
%
 
51

 
17

 
—

 
Trimble County Unit 1
75.00
%
 
427

 
77

 
—

 
Trimble County Unit 2
14.25
%
 
226

 
39

 
152

 
Trimble County Units 5-6
29.00
%
 
32

 
11

 
—

 
Trimble County Units 7-10
37.00
%
 
77

 
24

 
—

 
Cane Run Unit 7
22.00
%
 
119

 
9

 
—

 
E.W. Brown Solar Unit
39.00
%
 
10

 
1

 
—

 
 
 
 
 
 
 
 
 
KU
 
 
 
 
 
 
 
 
December 31, 2019
 
 
 
 
 
 
 
 
E.W. Brown Units 6-7
62.00
%
 
$
75

 
$
32

 
$
—

 
Paddy's Run Unit 13 & E.W. Brown Unit 5
47.00
%
 
46

 
14

 
—

 
Trimble County Unit 2
60.75
%
 
938

 
160

 
65

 
Trimble County Units 5-6
71.00
%
 
76

 
29

 
—

 
Trimble County Units 7-10
63.00
%
 
128

 
46

 
—

 
Cane Run Unit 7
78.00
%
 
429

 
49

 
1

 
E.W. Brown Solar Unit
61.00
%
 
16

 
2

 
—

 
Solar Share
56.00
%
 
2

 
—

 
—

 
 
 
 
 
 
 
 
 
 
December 31, 2018
 

 
 

 
 

 
 

 
E.W. Brown Units 6-7
62.00
%
 
$
66

 
$
31

 
$
—

 
Paddy's Run Unit 13 & E.W. Brown Unit 5
47.00
%
 
46

 
15

 
—

 
Trimble County Unit 2
60.75
%
 
837

 
160

 
141

 
Trimble County Units 5-6
71.00
%
 
76

 
25

 
—

 
Trimble County Units 7-10
63.00
%
 
129

 
41

 
—

 
Cane Run Unit 7
78.00
%
 
428

 
36

 
—

 
E.W. Brown Solar Unit
61.00
%
 
16

 
2

 
—