Segment Reporting (tables)

6 Months Ended

Jun. 30, 2011

Segment Reporting Abstract

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Three Months Ended June 30,
			Non-Utility
Thousands		Utility		Gas Storage		Other		Total
2011
Net operating revenues	$	60,048	$	7,197	$	(13)	$	67,232
Depreciation and amortization		15,946		1,600		-		17,546
Income from operations		9,667		3,017		(31)		12,653
Net income (loss)		1,090		1,315		(212)		2,193
2010
Net operating revenues	$	66,939	$	5,206	$	48	$	72,193
Depreciation and amortization		15,691		335		-		16,026
Income from operations		16,271		3,925		22		20,218
Net income		4,641		2,122		125		6,888
	Six Months Ended June 30,
			Non-Utility
Thousands		Utility		Gas Storage		Other		Total
2011
Net operating revenues	$	189,210	$	12,501	$	29	$	201,740
Depreciation and amortization		31,860		2,995		-		34,855
Income from operations		85,791		4,733		(9)		90,515
Net income (loss)		41,220		2,003		(257)		42,966
Total assets at June 30, 2011		2,247,349		252,393		22,252		2,521,994
2010
Net operating revenues	$	192,412	$	10,617	$	90	$	203,119
Depreciation and amortization		31,257		670		-		31,927
Income from operations		92,853		8,436		39		101,328
Net income		45,533		4,623		340		50,496
Total assets at June 30, 2010		2,143,138		229,919		22,504		2,395,561
Total assets at December 31, 2010	$	2,310,388	$	282,945	$	23,283	$	2,616,616