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Commitments And Contingencies (Tables)
12 Months Ended
Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
Schedule Of Insurance Coverage At Callaway Energy Center
The following table presents insurance coverage at Ameren Missouri’s Callaway energy center at December 31, 2014. The property coverage and the nuclear liability coverage must be renewed on April 1 and January 1, respectively, of each year.
Type and Source of Coverage
Maximum Coverages
 
Maximum Assessments
 
Public liability and nuclear worker liability:
 
 
 
 
American Nuclear Insurers
$
375


$

 
Pool participation
13,241

(a)  
128

(b)  
 
$
13,616

(c)  
$
128

 
Property damage:
 
 
 
 
Nuclear Electric Insurance Limited
$
2,250

(d)  
$
23

(e)  
European Mutual Association for Nuclear Insurance
500

(f)  

 
 
$
2,750

 
$
23

 
Replacement power:
 
 
 
 
Nuclear Electric Insurance Limited
$
490

(g)  
$
9

(e)  
Missouri Energy Risk Assurance Company LLC
$
64

(h)  
$

 

(a)
Provided through mandatory participation in an industrywide retrospective premium assessment program.
(b)
Retrospective premium under the Price-Anderson Act. This is subject to retrospective assessment with respect to a covered loss in excess of $375 million in the event of an incident at any licensed United States commercial reactor, payable at $19 million per year.
(c)
Limit of liability for each incident under the Price-Anderson Act liability provisions of the Atomic Energy Act of 1954, as amended. A company could be assessed up to $128 million per incident for each licensed reactor it operates, with a maximum of $19 million per incident to be paid in a calendar year for each reactor. This limit is subject to change to account for the effects of inflation and changes in the number of licensed reactors.
(d)
NEIL provides $2.25 billion in property damage, decontamination, and premature decommissioning insurance.
(e)
All NEIL-insured plants could be subject to assessments should losses exceed the accumulated funds from NEIL.
(f)
European Mutual Association for Nuclear Insurance provides $500 million in excess of the $2.25 billion property coverage provided by NEIL.
(g)
Provides replacement power cost insurance in the event of a prolonged accidental outage. Weekly indemnity is up to $4.5 million for 52 weeks, which commences after the first eight weeks of an outage, plus up to $3.6 million per week for a minimum of 71 weeks thereafter, for a total not exceeding the policy limit of $490 million. Nonradiation events are sub-limited to $328 million.
(h)
Provides replacement power cost insurance in the event of a prolonged accidental outage. The coverage commences after the first 52 weeks of insurance coverage from NEIL concludes; it is a weekly indemnity of up to $0.9 million for 71 weeks in excess of the $3.6 million per week set forth above. Missouri Energy Risk Assurance Company LLC is an affiliate; it has reinsured this coverage with third-party insurance companies. See Note 14 – Related Party Transactions for more information on this affiliate transaction.
Schedule Of Lease Obligations
We lease various facilities, office equipment, plant equipment, and rail cars under capital and operating leases. The following table presents our lease obligations at December 31, 2014:
 
2015
 
2016
 
2017
 
2018
 
2019
 
After 5 Years
 
Total
Ameren:(a)
 
 
 
 
 
 
 
 
 
 
 
 
 
Minimum capital lease payments(b)
$
33

 
$
33

 
$
33

 
$
32

 
$
32

 
$
360

 
$
523

Less amount representing interest
27

 
27

 
27

 
26

 
25

 
97

 
229

Present value of minimum capital lease payments
$
6

 
$
6

 
$
6

 
$
6

 
$
7

 
$
263

 
$
294

Operating leases(c)
13

 
12

 
12

 
12

 
11

 
38

 
98

Total lease obligations
$
19

 
$
18

 
$
18

 
$
18

 
$
18

 
$
301

 
$
392

Ameren Missouri:
 
 
 
 
 
 
 
 
 
 
 
 
 
Minimum capital lease payments(b)
$
33

 
$
33

 
$
33

 
$
32

 
$
32

 
$
360

 
$
523

Less amount representing interest
27

 
27

 
27

 
26

 
25

 
97

 
229

Present value of minimum capital lease payments
$
6

 
$
6

 
$
6

 
$
6

 
$
7

 
$
263

 
$
294

Operating leases(c)
11

 
11

 
11

 
10

 
10

 
37

 
90

Total lease obligations
$
17

 
$
17

 
$
17

 
$
16

 
$
17

 
$
300

 
$
384

Ameren Illinois:
 
 
 
 
 
 
 
 
 
 
 
 
 
Operating leases(c)
$
1

 
$
1

 
$
1

 
$
1

 
$
1

 
$
1

 
$
6

(a)
Includes amounts for Ameren registrant and nonregistrant subsidiaries and intercompany eliminations.
(b)
See Properties under Part I, Item 2, and Note 3 – Property and Plant, Net, of this report for additional information.
(c)
Amounts related to certain land-related leases have indefinite payment periods. The annual obligations of $2 million, $1 million, and $1 million for Ameren, Ameren Missouri, and Ameren Illinois for these items are included in the 2015 through 2019 columns, respectively.
Schedule Of Rental Expense
The following table presents total rental expense, included in operating expenses, for the years ended December 31, 2014, 2013, and 2012:
 
2014
 
2013
 
2012
Ameren(a)
$
37

 
$
32

 
$
33

Ameren Missouri
32

 
29

 
29

Ameren Illinois
25

 
21

 
19

(a)
Includes amounts for Ameren registrant and nonregistrant subsidiaries and intercompany eliminations.
Schedule Of Estimated Purchased Commitments
December 31, 2014. Ameren’s and Ameren Missouri’s purchased power commitments include a 102-megawatt power purchase agreement with a wind farm operator, which expires in 2024. Ameren’s and Ameren Illinois’ purchased power commitments include the Ameren Illinois power purchase agreements entered into as part of the IPA-administered power procurement process. Included in the Other column are minimum purchase commitments under contracts for equipment, design and construction, and meter reading services at December 31, 2014. In addition, the Other column includes Ameren's and Ameren Missouri's obligations related to customer energy efficiency programs under the MEEIA as approved by the MoPSC's December 2012 electric rate order. Ameren Missouri expects to incur costs of $71 million in 2015 for these customer energy efficiency programs. See Note 2 – Rate and Regulatory Matters for additional information about the MEEIA.
 
Coal
 
Natural
Gas(a)
 
Nuclear
Fuel
 
Purchased
Power(b)
 
Methane
Gas
 
Other
 
Total
Ameren:(c)
 
 
 
 
 
 
 
 
 
 
 
 
 
2015
$
654

 
$
222

 
$
53

 
$
190

 
$
3

 
$
195

 
$
1,317

2016
659

 
125

 
60

 
104

 
3

 
78

 
1,029

2017
682

 
85

 
59

 
66

 
4

 
53

 
949

2018
111

 
53

 
82

 
55

 
5

 
51

 
357

2019
114

 
32

 
42

 
56

 
5

 
54

 
303

Thereafter

 
71

 
138

 
596

 
76

 
350

 
1,231

Total
$
2,220

 
$
588

 
$
434

 
$
1,067

 
$
96

 
$
781

 
$
5,186

Ameren Missouri:
 
 
 
 
 
 
 
 
 
 
 
 
 
2015
$
654

 
$
39

 
$
53

 
$
21

 
$
3

 
$
128

 
$
898

2016
659

 
22

 
60

 
21

 
3

 
39

 
804

2017
682

 
17

 
59

 
21

 
4

 
26

 
809

2018
111

 
11

 
82

 
21

 
5

 
27

 
257

2019
114

 
10

 
42

 
21

 
5

 
27

 
219

Thereafter

 
22

 
138

 
106

 
76

 
183

 
525

Total
$
2,220

 
$
121

 
$
434

 
$
211

 
$
96

 
$
430

 
$
3,512

Ameren Illinois:
 
 
 
 
 
 
 
 
 
 
 
 
 
2015
$

 
$
183

 
$

 
$
169

 
$

 
$
29

 
$
381

2016

 
103

 

 
83

 

 
24

 
210

2017

 
68

 

 
45

 

 
24

 
137

2018

 
42

 

 
34

 

 
24

 
100

2019

 
22

 

 
35

 

 
27

 
84

Thereafter

 
49

 

 
490

 

 
167

 
706

Total
$

 
$
467

 
$

 
$
856

 
$

 
$
295

 
$
1,618

(a)
Includes amounts for generation and for distribution.
(b)
The purchased power amounts for Ameren and Ameren Illinois include agreements through 2032 for renewable energy credits with various renewable energy suppliers. The agreements contain a provision that allows Ameren Illinois to reduce the quantity purchased in the event that Ameren Illinois would not be able to recover the costs associated with the renewable energy credits.
(c)
Includes amounts for Ameren registrant and nonregistrant subsidiaries.
Schedule Of Asbestos-Related Litigation Pending Lawsuits
The following table presents the pending asbestos-related lawsuits filed against the Ameren Companies as of December 31, 2014:
Ameren
 
Ameren
Missouri
 
Ameren
Illinois
 
Total(a)
1
 
45
 
57
 
70

(a)
Total does not equal the sum of the subsidiary unit lawsuits because some of the lawsuits name multiple Ameren entities as defendants.