SEGMENT INFORMATION (Tables)

12 Months Ended

Dec. 31, 2014

Segment Information

Schedule of statement of income information, balance sheet information and capital expenditures by business segments

	For the year ended December 31,
	2014
	Electric		Gas		Other		Eliminations			Total
Statement of Income Information:
Revenues(1)	$	592,491	$	51,842	$	9,302	$	(1,305	)	$	652,330
Depreciation and amortization		67,534		3,760		1,891		—			73,185
Federal and state income taxes		35,737		1,840		1,643		—			39,220
Operating income		90,488		6,775		2,736		—			99,999
Interest income		37		25		21		(32	)		51
Interest expense		37,911		3,861		—		(32	)		41,740
Income from AFUDC (debt and equity)		9,833		84		—		—			9,917
Income from continuing operations	$	61,467	$	2,965	$	2,671	$	—		$	67,103
Capital Expenditures	$	212,866	$	7,836	$	2,151	$	—		$	222,853

(1) The Electric Segment includes SPP Integrated Marketplace net revenues of $41.9 million.

	2013
	Electric		Gas		Other		Eliminations			Total
Statement of Income Information:
Revenues	$	536,413	$	50,041	$	9,147	$	(1,271	)	$	594,330
Depreciation and amortization		63,659		3,709		1,938		—			69,306
Federal and state income taxes		34,478		1,484		1,530		—			37,492
Operating income		90,984		6,194		2,485		—			99,663
Interest income		537		115		8		(94	)		566
Interest expense		37,683		3,890		—		(94	)		41,479
Income from AFUDC (debt and equity)		5,910		30		—		—			5,940
Income from continuing operations	$	58,603	$	2,355	$	2,487	$	—		$	63,445
Capital Expenditures	$	153,401	$	4,419	$	2,388	$	—		$	160,208

	2012
	Electric		Gas		Other		Eliminations			Total
Statement of Income Information:
Revenues	$	510,653	$	39,849	$	7,187	$	(592	)	$	557,097
Depreciation and amortization		55,312		3,598		1,537		—			60,447
Federal and state income taxes		32,266		789		1,104		—			34,159
Operating income		89,445		5,005		1,771		—			96,221
Interest income		946		323		7		(304	)		972
Interest expense		37,866		3,905		—		(304	)		41,467
Income from AFUDC (debt and equity)		1,918		10		—		—			1,928
Income from continuing operations	$	52,631	$	1,256	$	1,794	$	—		$	55,681
Capital Expenditures	$	140,117	$	3,571	$	2,599	$	—		$	146,287

	December 31, 2014
	Electric		Gas(1)		Other		Eliminations			Total
Balance Sheet Information:
Total assets	$	2,271,539	$	130,856	$	34,655	$	(46,794	)	$	2,390,256

	December 31, 2013
	Electric		Gas(1)		Other		Eliminations			Total
Balance Sheet Information:
Total assets	$	2,034,234	$	123,736	$	31,306	$	(44,231	)	$	2,145,045

(1) Includes goodwill of $39,492 at December 31, 2014 and 2013.