Derivative and Hedging Instruments (Tables)

6 Months Ended

Jun. 30, 2012

Derivative and Hedging Instruments (Tables) [Abstract]

Gross Notional Volume of Open Derivatives

	June 30, 2012	December 31, 2011
Commodity derivative contracts	460,825 MWh	482,545 MWh
Commodity derivative contracts	3,550,000 Dth	4,030,000 Dth
FTRs	5,587 MW	2,382 MW

Fair Value of Derivative Instruments on the Balance Sheet

	Asset Derivatives			Liability Derivatives
(In thousands)	Balance Sheet Location		Fair Value	Balance Sheet Location		Fair Value
June 30, 2012
Commodity derivative contracts	Other current assets	$	727	Derivative liability (current)	$	1,151
Commodity derivative contracts	Other deferred charges		65	Derivative liability (long-term)		239
FTRs	Other current assets		986	Derivative liability (current)		0
Ten-year PPA	N/A		N/A	Derivative liability (current)		10,180
Ten-year PPA	N/A		N/A	Derivative liability (long-term)		69,570
December 31, 2011
Commodity derivative contracts	Other current assets	$	177	Derivative liability (current)	$	3,060
Commodity derivative contracts	Other deferred charges		92	Derivative liability (long-term)		231
FTRs	Other current assets		186	Derivative liability (current)		0
Ten-year PPA	N/A		N/A	Derivative liability (current)		4,600
Ten-year PPA	N/A		N/A	Derivative liability (long-term)		34,920

Derivative Gains and Losses in Balance Sheet

		2012				2011
(In thousands)		Current and long-term regulatory asset		Other current assets		Current and long-term regulatory asset		Other current assets
Three Months Ended June 30:
Balance at April 1,	$	71,514	$	672	$	21,677	$	505
Change in unrealized loss		9,791		0		888		0
Realized loss reclassified to a deferred account		(222)		222		(610)		610
Realized gain (loss) reclassified to income
statement		(1,721)		(176)		649		(114)
Balance at June 30,	$	79,362	$	718	$	22,604	$	1,001
Six Months Ended June 30:
Balance at January 1,	$	42,356	$	1,604	$	19,230	$	1,411
Change in unrealized loss		43,101		0		3,936		0
Realized loss reclassified to a deferred account		(2,880)		2,880		(1,274)		1,274
Realized gain (loss) reclassified to income
statement		(3,215)		(3,766)		712		(1,684)
Balance at June 30,	$	79,362	$	718	$	22,604	$	1,001

Derivative Gains and Losses in Income Statement

		Realized losses (gains)
				Fuel for electric
		Regulated		generation/		Cost of
(In thousands)		gas revenues		purchased power		gas sold
Three Months Ended June 30, 2012:
Commodity derivative contracts	$	0	$	582	$	0
FTRs		0		96		0
Ten-year PPA		0		1,219		0
Three Months Ended June 30, 2011:
Commodity derivative contracts	$	0	$	90	$	0
FTRs		0		(625)		0
Ten-year PPA		0		0		0
Six Months Ended June 30, 2012:
Commodity derivative contracts	$	0	$	2,510	$	3,090
FTRs		0		162		0
Ten-year PPA		0		1,219		0
Six Months Ended June 30, 2011:
Commodity derivative contracts	$	0	$	28	$	1,315
FTRs		0		(371)		0
Ten-year PPA		0		0		0