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Retirement benefits (Tables) - HECO
 9 Months Ended
Sep. 30, 2013
Retirement benefits  
Schedule of components of net periodic benefit cost for consolidated HECO
The components of net periodic benefit cost for consolidated HEI were as follows:
 
 
 
Three months ended September 30
 
Nine months ended September 30
 
 
Pension benefits
 
Other benefits
 
Pension benefits
 
Other benefits
(in thousands)
 
2013
 
2012
 
2013
 
2012
 
2013
 
2012
 
2013
 
2012
Service cost
 
$
14,097

 
$
10,816

 
$
1,077

 
$
1,054

 
$
42,307

 
$
32,404

 
$
3,229

 
$
3,158

Interest cost
 
16,187

 
16,868

 
1,891

 
2,252

 
48,600

 
50,612

 
5,677

 
6,756

Expected return on plan assets
 
(18,134
)
 
(17,796
)
 
(2,531
)
 
(2,579
)
 
(54,401
)
 
(53,388
)
 
(7,614
)
 
(7,757
)
Amortization of net transition obligation
 
—

 
1

 
—

 
—

 
—

 
1

 
—

 
—

Amortization of net prior service gain
 
(24
)
 
(81
)
 
(448
)
 
(448
)
 
(73
)
 
(244
)
 
(1,345
)
 
(1,345
)
Amortization of net actuarial loss
 
9,560

 
6,425

 
398

 
373

 
28,878

 
19,251

 
1,203

 
1,125

Net periodic benefit cost
 
21,686

 
16,233

 
387

 
652

 
65,311

 
48,636

 
1,150

 
1,937

Impact of PUC D&Os
 
(9,257
)
 
(3,460
)
 
(332
)
 
(552
)
 
(28,847
)
 
(12,294
)
 
(1,018
)
 
(1,648
)
Net periodic benefit cost (adjusted for impact of PUC D&Os)
 
$
12,429

 
$
12,773

 
$
55

 
$
100

 
$
36,464

 
$
36,342

 
$
132

 
$
289
Schedule of reclassifications out of accumulated other comprehensive income/(loss)
Accumulated other comprehensive income.  Reclassifications out of accumulated other comprehensive income/(loss) (AOCI) were as follows:
 
 
 
Amount reclassified from AOCI
 
 
 
 
Three months  
 ended September 30
 
Nine months  
 ended September 30
 
 
(in thousands)
 
2013
 
2012
 
2013
 
2012
 
Affected line item in the Statement of Income
Net realized gains on securities
 
$
—

 
$
—

 
$
(738
)
 
$
(81
)
 
Revenues-bank (net gains on sales of securities)
Derivatives qualified as cash flow hedges
 
 

 
 

 
 

 
 

 
 
Interest rate contracts (settled in 2011)
 
59

 
59

 
177

 
177

 
Interest expense
Retirement benefit plan items
 
 

 
 

 
 

 
 

 
 
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost
 
5,789

 
3,826

 
17,490

 
11,467

 
See Note 5 for additional details
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets
 
(5,156
)
 
(3,342
)
 
(15,468
)
 
(10,026
)
 
See Note 5 for additional details
Total reclassifications
 
$
692

 
$
543

 
$
1,461

 
$
1,537

 
 
Hawaiian Electric Company, Inc. and Subsidiaries
  
Retirement benefits  
Schedule of components of net periodic benefit cost for consolidated HECO
The components of net periodic benefit cost for the Utilities were as follows:
 
 
 
Three months ended September 30
 
Nine months ended September 30
 
 
Pension benefits
 
Other benefits
 
Pension benefits
 
Other benefits
(in thousands)
 
2013
 
2012
 
2013
 
2012
 
2013
 
2012
 
2013
 
2012
Service cost
 
$
13,620

 
$
10,400

 
$
1,041

 
$
1,003

 
$
40,861

 
$
31,202

 
$
3,122

 
$
3,010

Interest cost
 
14,780

 
15,364

 
1,822

 
2,175

 
44,339

 
46,090

 
5,466

 
6,527

Expected return on plan assets
 
(16,138
)
 
(16,001
)
 
(2,502
)
 
(2,548
)
 
(48,413
)
 
(48,003
)
 
(7,502
)
 
(7,646
)
Amortization of net transition obligation
 
—

 
—

 
—

 
(2
)
 
—

 
—

 
—

 
(6
)
Amortization of net prior service gain
 
(116
)
 
(173
)
 
(451
)
 
(450
)
 
(348
)
 
(517
)
 
(1,353
)
 
(1,352
)
Amortization of net actuarial loss
 
8,649

 
5,857

 
387

 
363

 
25,948

 
17,571

 
1,159

 
1,091

Net periodic benefit cost
 
20,795

 
15,447

 
297

 
541

 
62,387

 
46,343

 
892

 
1,624

Impact of PUC D&Os
 
(9,257
)
 
(3,460
)
 
(332
)
 
(552
)
 
(28,847
)
 
(12,294
)
 
(1,018
)
 
(1,648
)
Net periodic benefit cost (adjusted for impact of PUC D&Os)
 
$
11,538

 
$
11,987

 
$
(35
)
 
$
(11
)
 
$
33,540

 
$
34,049

 
$
(126
)
 
$
(24
)
Schedule of reclassifications out of accumulated other comprehensive income/(loss)
Accumulated other comprehensive income.  Reclassifications out of AOCI were as follows:
 
 
 
Amount reclassified from AOCI
 
 
 
 
Three months  
 ended September 30
 
Nine months  
 ended September 30
 
 
(in thousands)
 
2013
 
2012
 
2013
 
2012
 
 
Retirement benefit plan items
 
 

 
 

 
 

 
 

 
 
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost
 
$
5,173

 
$
3,419

 
$
15,520

 
$
10,255

 
See above
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets
 
(5,156
)
 
(3,342
)
 
(15,468
)
 
(10,026
)
 
See above
Total reclassifications
 
$
17

 
$
77

 
$
52

 
$
229