Consolidation and Nature of Operations (Tables)

6 Months Ended

Jun. 30, 2012

Consolidation and Nature of Operations

Impact of the reclassifications to prior year (previously reported) amounts

Statement of Income for the Three Months Ended June 30, 2011	As previously reported		Reclassifications to conform to current year presentation			Amount reported after reclassification to conform to current year presentation
Operating Revenues
Regulated electricity segment	$	798,669	$	(798,669	)	$	—
Other revenues	1,130		(1,130		)	—
Operating revenues	—		799,799			799,799

Statement of Income for the Six Months Ended June 30, 2011	As previously reported		Reclassifications to conform to current year presentation			Amount reported after reclassification to conform to current year presentation
Operating Revenues
Regulated electricity segment	$	1,446,643	$	(1,446,643	)	$	—
Other revenues	2,003		(2,003		)	—
Operating revenues	—		1,448,646			1,448,646

Statement of Cash Flows for the Six Months Ended June 30, 2011	As previously reported			Reclassifications to conform to current year presentation			Amount reported after reclassification to conform to current year presentation
Cash Flows from Operating Activities
Expenditures for real estate investments	$	(40	)	$	40		$	—
Change in other long-term assets	(26,185		)	(40		)	(26,225		)