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Benefit Plans (Tables)
12 Months Ended
Dec. 31, 2019
Entity Information [Line Items]  
Schedule Of Defined Benefit Plans Disclosures
The following table presents information relating to the Pension Plans: 
 
 
Pension benefits
as of December 31,
 
 
2019
 
2018
 
 
(In Thousands)
Change in benefit obligation:
 
 
 
 
Projected benefit obligation at January 1
 
$
697,228

 
$
782,108

Service cost
 
7,412

 
8,450

Interest cost
 
27,343

 
25,220

Actuarial loss/(gain)
 
88,311

 
(62,303
)
Amendments (primarily increases in pension bands)
 

 
5,446

Curtailments(1)
 

 
450

Benefits paid
 
(37,499
)
 
(62,143
)
Projected benefit obligation at December 31
 
782,795

 
697,228

Change in plan assets:
 
 

 
 

Fair value of plan assets at January 1
 
684,485

 
738,947

Actual return on plan assets
 
122,690

 
(22,404
)
Employer contributions
 
28

 
30,085

Benefits paid
 
(37,499
)
 
(62,143
)
Fair value of plan assets at December 31
 
769,704

 
684,485

Unfunded status
 
$
(13,091
)
 
$
(12,743
)
Amounts recognized in the statement of financial position:
 
 

 
 

Noncurrent liabilities
 
$
(13,091
)
 
$
(12,743
)
Net amount recognized at end of year
 
$
(13,091
)
 
$
(12,743
)
Sources of change in regulatory assets(2):
 
 

 
 

Prior service cost arising during period
 
$

 
$
5,446

Net (gain)/loss arising during period
 
(4,472
)
 
902

Amortization of prior service cost
 
(3,823
)
 
(4,618
)
Amortization of loss
 
(11,084
)
 
(11,403
)
Total recognized in regulatory assets
 
$
(19,379
)
 
$
(9,673
)
Amounts included in regulatory assets:
 
 

 
 

Net loss
 
$
167,750

 
$
183,306

Prior service cost
 
14,323

 
18,146

Total amounts included in regulatory assets
 
$
182,073

 
$
201,452

 
 
 
 
 

Information For Pension Plans With A Benefit Obligation In Excess Of Plan Assets
 
 
Pension benefits
as of December 31,
 
 
2019
 
2018
 
 
(In Thousands)
Benefit obligation
 
$
782,795

 
$
697,228

Plan assets
 
769,704

 
684,485

Benefit obligation in excess of plan assets
 
$
13,091

 
$
12,743

 
 
 
 
 

Information For Pension Plans With An Accumulated Benefit Obligation In Excess Of Plan Assets
 
 
Pension benefits
as of December 31,
 
 
2019
 
2018
 
 
(In Thousands)
Accumulated benefit obligation
 
$
771,592

 
$
687,136

Plan assets
 
769,704

 
684,485

Accumulated benefit obligation in excess of plan assets
 
$
1,888

 
$
2,651

 
 
 
 
 

Schedule Of Net Periodic Benefit Costs
 
 
Pension benefits for
years ended December 31,
 
 
2019
 
2018
 
2017
 
 
(In Thousands)
Components of net periodic benefit cost:
 
 
 
 
 
 
Service cost
 
$
7,412

 
$
8,450

 
$
7,344

Interest cost
 
27,343

 
25,220

 
25,305

Expected return on plan assets
 
(29,907
)
 
(40,801
)
 
(44,672
)
Amortization of prior service cost
 
3,823

 
3,837

 
4,240

Recognized actuarial loss
 
11,084

 
11,403

 
13,195

Recognized settlement loss
 

 
1,230


146

Total pension cost
 
19,755

 
9,339

 
5,558

Less: amounts capitalized
 
1,237

 
1,223

 
845

Amount charged to expense
 
$
18,518

 
$
8,116

 
$
4,713

Rates relevant to each year’s expense calculations:
 
 
 
 
 
 
Discount rate – defined benefit pension plan
 
4.36
%
 
3.67
%
 
4.29
%
Discount rate – supplemental retirement plan
 
4.24
%
 
3.60
%
 
4.00
%
Expected return on defined benefit pension plan assets
 
4.50
%
 
5.45
%
 
6.75
%
Expected return on supplemental retirement plan assets
 
4.50
%
 
5.45
%
 
6.75
%
 
 
 
 
 
 
 

Schedule Of Asset Allocation Guidelines
The following table summarizes the Company’s target pension plan allocation for 2019:
Asset Category:
Target Allocations
Equity Securities
27%
Debt Securities
73%


Schedule Of Fair Value Of Pension Plan Assets
 
 
Fair Value Measurements at
 
 
December 31, 2019
 
 
(in thousands)
 
 
 
 
Quoted Prices in Active Markets for Identical Assets
 
Significant Observable Inputs
 
 
Asset Category
 
Total
 
(Level 1)
 
(Level 2)
 
%
Cash and cash equivalents
 
$
2,599

 
$
2,599

 
$

 
%
Government debt securities
 
154,798

 
39

 
154,759

 
20
%
Mutual fund - equities
 
214,369

 
2,744

 
211,625

 
28
%
Mutual fund - debt
 
397,938

 
1,664

 
396,274

 
52
%
Total(1)
 
$
769,704

 
$
7,046

 
$
762,658

 
100
%
 
 
 
 
 
 
 
 
 
(1)
In 2019, the qualified Defined Benefit Pension Plan moved all investments except for cash and cash equivalents into collective trusts; therefore, the 2019 balances under the Government debt securities, Mutual fund - equities, and Mutual fund - debt categories shown above as level 2 represent investments through collective trusts. The Defined Benefit Pension Plan has chosen collective trusts for which the underlying investments are mutual funds, mutual funds categories for which debt securities are the primary underlying investment, or real estate in alignment with the target asset allocation.
 
 
 
Fair Value Measurements at
 
 
December 31, 2018
 
 
(in thousands)
 
 
 
 
Quoted Prices in Active Markets for Identical Assets
 
Significant Observable Inputs
 
 
Asset Category
 
Total
 
(Level 1)
 
(Level 2)
 
%
Short-term investments
 
$
3,597

 
$
3,597

 
$

 
1
%
Mutual funds:
 
 
 
 
 
 
 
 

U.S. equities
 
1,906

 
1,906

 

 
%
International equities
 
52,354

 
52,354

 

 
8
%
Fixed income
 
497,323

 
497,323

 

 
72
%
Fixed income securities:
 
 
 
 
 
 
 
 

U.S. Treasury securities
 
129,305

 
129,305

 

 
19
%
Total
 
$
684,485

 
$
684,485

 
$

 
100
%
 
 
 
 
 
 
 
 
 

Schedule Of Expected Benefit Payments Expected benefit payments are expected to be paid out of the Pension Plans as follows:

Year
Pension Benefits
 
(In Thousands)
2020
$
42,215

2021
43,552

2022
44,606

2023
45,095

2024
45,362

2024 through 2028
231,475

 
 


Indianapolis Power And Light Company  
Entity Information [Line Items]  
Schedule Of Defined Benefit Plans Disclosures
 
 
Pension benefits
as of December 31,
 
 
2019
 
2018
 
 
(In Thousands)
Change in benefit obligation:
 
 
 
 
Projected benefit obligation at January 1
 
$
697,228

 
$
782,108

Service cost
 
7,412

 
8,450

Interest cost
 
27,343

 
25,220

Actuarial loss/(gain)
 
88,311

 
(62,303
)
Amendments (primarily increases in pension bands)
 

 
5,446

Curtailments(1)
 

 
450

Benefits paid
 
(37,499
)
 
(62,143
)
Projected benefit obligation at December 31
 
782,795

 
697,228

Change in plan assets:
 
 

 
 

Fair value of plan assets at January 1
 
684,485

 
738,947

Actual return on plan assets
 
122,690

 
(22,404
)
Employer contributions
 
28

 
30,085

Benefits paid
 
(37,499
)
 
(62,143
)
Fair value of plan assets at December 31
 
769,704

 
684,485

Unfunded status
 
$
(13,091
)
 
$
(12,743
)
Amounts recognized in the statement of financial position:
 
 

 
 

Noncurrent liabilities
 
$
(13,091
)
 
$
(12,743
)
Net amount recognized at end of year
 
$
(13,091
)
 
$
(12,743
)
Sources of change in regulatory assets(2):
 
 

 
 

Prior service cost arising during period
 
$

 
$
5,446

Net (gain)/loss arising during period
 
(4,472
)
 
902

Amortization of prior service cost
 
(3,823
)
 
(4,618
)
Amortization of loss
 
(11,084
)
 
(11,403
)
Total recognized in regulatory assets
 
$
(19,379
)
 
$
(9,673
)
Amounts included in regulatory assets:
 
 

 
 

Net loss
 
$
167,750

 
$
183,306

Prior service cost
 
14,323

 
18,146

Total amounts included in regulatory assets
 
$
182,073

 
$
201,452

 
 
 
 
 

Information For Pension Plans With A Benefit Obligation In Excess Of Plan Assets
 
 
Pension benefits
as of December 31,
 
 
2019
 
2018
 
 
(In Thousands)
Benefit obligation
 
$
782,795

 
$
697,228

Plan assets
 
769,704

 
684,485

Benefit obligation in excess of plan assets
 
$
13,091

 
$
12,743

 
 
 
 
 

Information For Pension Plans With An Accumulated Benefit Obligation In Excess Of Plan Assets
 
 
Pension benefits
as of December 31,
 
 
2019
 
2018
 
 
(In Thousands)
Accumulated benefit obligation
 
$
771,592

 
$
687,136

Plan assets
 
769,704

 
684,485

Accumulated benefit obligation in excess of plan assets
 
$
1,888

 
$
2,651

 
 
 
 
 

Schedule Of Net Periodic Benefit Costs
 
 
Pension benefits for
years ended December 31,
 
 
2019
 
2018
 
2017
 
 
(In Thousands)
Components of net periodic benefit cost:
 
 
 
 
 
 
Service cost
 
$
7,412

 
$
8,450

 
$
7,344

Interest cost
 
27,343

 
25,220

 
25,305

Expected return on plan assets
 
(29,907
)
 
(40,801
)
 
(44,672
)
Amortization of prior service cost
 
3,823

 
3,837

 
4,240

Recognized actuarial loss
 
11,084

 
11,403

 
13,195

Recognized settlement loss
 

 
1,230

 
146

Total pension cost
 
19,755

 
9,339

 
5,558

Less: amounts capitalized
 
1,237

 
1,223

 
845

Amount charged to expense
 
$
18,518

 
$
8,116

 
$
4,713

Rates relevant to each year’s expense calculations:
 
 
 
 
 
 
Discount rate – defined benefit pension plan
 
4.36
%
 
3.67
%
 
4.29
%
Discount rate – supplemental retirement plan
 
4.24
%
 
3.60
%
 
4.00
%
Expected return on defined benefit pension plan assets
 
4.50
%
 
5.45
%
 
6.75
%
Expected return on supplemental retirement plan assets
 
4.50
%
 
5.45
%
 
6.75
%
 
 
 
 
 
 
 

Schedule Of Asset Allocation Guidelines
Asset Category:
Target Allocations
Equity Securities
27%
Debt Securities
73%


Schedule Of Fair Value Of Pension Plan Assets
 
 
Fair Value Measurements at
 
 
December 31, 2019
 
 
(in thousands)
 
 
 
 
Quoted Prices in Active Markets for Identical Assets
 
Significant Observable Inputs
 
 
Asset Category
 
Total
 
(Level 1)
 
(Level 2)
 
%
Cash and cash equivalents
 
$
2,599

 
$
2,599

 
$

 
%
Government debt securities
 
154,798

 
39

 
154,759

 
20
%
Mutual fund - equities
 
214,369

 
2,744

 
211,625

 
28
%
Mutual fund - debt
 
397,938

 
1,664

 
396,274

 
52
%
Total(1)
 
$
769,704

 
$
7,046

 
$
762,658

 
100
%
 
 
 
 
 
 
 
 
 
(1)
In 2019, the qualified Defined Benefit Pension Plan moved all investments except for cash and cash equivalents into collective trusts; therefore, the 2019 balances under the Government debt securities, Mutual fund - equities, and Mutual fund - debt categories shown above as level 2 represent investments through collective trusts. The Defined Benefit Pension Plan has chosen collective trusts for which the underlying investments are mutual funds, mutual funds categories for which debt securities are the primary underlying investment, or real estate in alignment with the target asset allocation.

 
 
Fair Value Measurements at
 
 
December 31, 2018
 
 
(in thousands)
 
 
 
 
Quoted Prices in Active Markets for Identical Assets
 
Significant Observable Inputs
 
 
Asset Category
 
Total
 
(Level 1)
 
(Level 2)
 
%
Short-term investments
 
$
3,597

 
$
3,597

 
$

 
1
%
Mutual funds:
 
 
 
 
 
 
 
 

U.S. equities
 
1,906

 
1,906

 

 
%
International equities
 
52,354

 
52,354

 

 
8
%
Fixed income
 
497,323

 
497,323

 

 
72
%
Fixed income securities:
 
 
 
 
 
 
 
 

U.S. Treasury securities
 
129,305

 
129,305

 

 
19
%
Total
 
$
684,485

 
$
684,485

 
$

 
100
%
 
 
 
 
 
 
 
 
 

Schedule Of Expected Benefit Payments
Year
Pension Benefits
 
(In Thousands)
2020
$
42,215

2021
43,552

2022
44,606

2023
45,095

2024
45,362

2024 through 2028
231,475