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Accumulated Other Comprehensive Income (Tables)
6 Months Ended
Jun. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Schedule of Accumulated Other Comprehensive Income (Loss)
The following tables present the changes in the Company’s accumulated other comprehensive income (loss) (AOCI) by component for the three and six months ended June 30, 2014:
Puget Energy
Net unrealized gain (loss) and prior service cost on pension plans
Net unrealized gain (loss) on energy derivative instruments
Net unrealized gain (loss) on interest rate swaps
 
Changes in AOCI, net of tax
 
(Dollars in Thousands)
Total
Balance at March 31, 2014
$
48,305

$
(358
)
$
—

$
47,947

Other comprehensive income (loss) before reclassifications
(615
)
—

—

(615
)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax
(168
)
—

—

(168
)
Net current-period other comprehensive income (loss)
(783
)
—

—

(783
)
Balance at June 30, 2014
$
47,522

$
(358
)
$
—

$
47,164


Puget Energy
Net unrealized gain (loss) and prior service cost on pension plans
Net unrealized gain (loss) on energy derivative instruments
Net unrealized gain (loss) on interest rate swaps
 
Changes in AOCI, net of tax
 
(Dollars in Thousands)
Total
Balance at December 31, 2013
$
48,514

$
(705
)
$
(94
)
$
47,715

Other comprehensive income (loss) before reclassifications
(615
)
—

—

(615
)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax
(377
)
347

94

64

Net current-period other comprehensive income (loss)
(992
)
347

94

(551
)
Balance at June 30, 2014
$
47,522

$
(358
)
$
—

$
47,164

Parent Company [Member]
 
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Reclassification out of Accumulated Other Comprehensive Income

Details about these reclassifications out of accumulated other comprehensive income (loss) for the three and six months ended June 30, 2014 and three and six months ended June 30, 2013, respectively, are as follows:
Puget Energy
 
Three Months Ended June 30,
Six Months Ended
June 30,
(Dollars in Thousands)
 
2014
2013
2014
2013
Details about accumulated other comprehensive income (loss) components
Affected line item in the statement where net income (loss) is presented
Amount reclassified from accumulated other comprehensive income (loss)
Net unrealized gain (loss) and prior service cost on pension plans:
 
 
 
 
 
Amortization of prior service cost
(a) 
$
484

$
499

$
1,165

$
999

Amortization of net gain (loss)
(a) 
(98
)
(1,177
)
(456
)
(2,209
)
 
Total before tax
386

(678
)
709

(1,210
)
 
Tax (expense) or benefit
(135
)
237

(248
)
422

 
Net of Tax
$
251

$
(441
)
$
461

$
(788
)
Net unrealized gain (loss) on energy derivative instruments:
 
 
 
 
 
Commodity contracts: electric derivatives
Purchased electricity
—

—

(534
)
164

 
Tax (expense) or benefit
—

—

187

(57
)
 
Net of Tax
$
—

$
—

$
(347
)
$
107

Net unrealized gain (loss) on interest rate swaps:
 
 
 
 
 
Interest rate contracts
Interest expense
—

(1,325
)
(144
)
(2,639
)
 
Tax (expense) or benefit
—

464

50

924

 
Net of Tax
$
—

$
(861
)
$
(94
)
$
(1,715
)
Total reclassification for the period
Net of Tax
$
251

$
(1,302
)
$
20

$
(2,396
)

__________
(a) 
These accumulated OCI components are included in the computation of net periodic pension cost (see Note 5 for additional details).
Subsidiaries [Member]
 
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Schedule of Accumulated Other Comprehensive Income (Loss)
Puget Sound Energy
Net unrealized gain (loss) and prior service cost on pension plans
Net unrealized gain (loss) on energy derivative instruments
Net unrealized gain (loss) on treasury interest rate swaps


Changes in AOCI, net of tax


(Dollars in Thousands)
Total
Balance at March 31, 2014
$
(85,404
)
$
(1,309
)
$
(6,228
)
$
(92,941
)
Other comprehensive income (loss) before reclassifications
(615
)
—

—

(615
)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax
2,039

—

79

2,118

Net current-period other comprehensive income (loss)
1,424

—

79

1,503

Balance at June 30, 2014
$
(83,980
)
$
(1,309
)
$
(6,149
)
$
(91,438
)


Puget Sound Energy
Net unrealized gain (loss) and prior service cost on pension plans
Net unrealized gain (loss) on energy derivative instruments
Net unrealized gain (loss) on treasury interest rate swaps
 
Changes in AOCI, net of tax
 
(Dollars in Thousands)
Total
Balance at December 31, 2013
$
(87,405
)
$
(2,027
)
$
(6,307
)
$
(95,739
)
Other comprehensive income (loss) before reclassifications
(615
)
—

—

(615
)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax
4,040

718

158

4,916

Net current-period other comprehensive income (loss)
3,425

718

158

4,301

Balance at June 30, 2014
$
(83,980
)
$
(1,309
)
$
(6,149
)
$
(91,438
)
Reclassification out of Accumulated Other Comprehensive Income
Puget Sound Energy
 
Three Months Ended June 30,
Six Months Ended
June 30,
(Dollars in Thousands)
 
2014
2013
2014
2013
Details about accumulated other comprehensive income (loss) components
Affected line item in the statement where net income (loss) is presented
Amount reclassified from accumulated other comprehensive income (loss)
Net unrealized gain (loss) and prior service cost on pension plans:
 
 
 
 
 
Amortization of prior service cost
(a) 
$
381

$
389

$
762

$
781

Amortization of net gain (loss)
(a) 
(3,516
)
(5,661
)
(6,975
)
(11,260
)
 
Total before tax
(3,135
)
(5,272
)
(6,213
)
(10,479
)
 
Tax (expense) or benefit
1,097

1,845

2,175

3,666

 
Net of Tax
$
(2,038
)
$
(3,427
)
$
(4,038
)
$
(6,813
)
Net unrealized gain (loss) on energy derivative instruments:
 
 
 
 
 
Commodity contracts: electric derivatives
Purchased electricity
—

—

(1,104
)
(2,786
)
 
Tax (expense) or benefit
—

—

386

975

 
Net of Tax
$
—

$
—

$
(718
)
$
(1,811
)
Net unrealized gain (loss) on treasury interest rate swaps:
 
 
 
 
 
Interest rate contracts
Interest expense
(122
)
(122
)
(244
)
(244
)
 
Tax (expense) or benefit
43

43

86

86

 
Net of Tax
$
(79
)
$
(79
)
$
(158
)
$
(158
)
Total reclassification for the period
Net of Tax
$
(2,117
)
$
(3,506
)
$
(4,914
)
$
(8,782
)

__________
(a) 
These accumulated OCI components are included in the computation of net periodic pension cost (see Note 5 for additional details).