Condensed Income Statements (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenue	$ 59,817	$ 62,270
Operating expenses:
Fuel and purchased power	22,098	24,715
Operations and maintenance	16,808	16,543
Depreciation and amortization	6,986	6,950
Taxes - property	1,422	1,320
Total operating expenses	47,314	49,528
Operating income	12,503	12,742
Other income (expense):
Interest expense	(4,847)	(4,290)
AFUDC - borrowed	58	57
Interest income	27	24
AFUDC - equity	134	116
Other income (expense), net	82	388
Total other income (expense)	(4,546)	(3,705)
Income from continuing operations before income taxes	7,957	9,037
Income tax expense	(2,375)	(2,984)
Net income	5,582	6,053
Other comprehensive income (loss):
Reclassification adjustments of cash flow hedges settled and included in net income (net of tax (expense) benefit of $(6) and $(6))	10	10
Reclassification adjustment of benefit plan liability (net of tax (expense) benefit of $(6) and $0)	11	0
Other Comprehensive Income	21	10
Comprehensive income	$ 5,603	$ 6,063