CONDENSED BALANCE SHEETS (UNAUDITED) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Property, Plant and Equipment:
Utility Plant, at original cost	$ 1,846,704		$ 1,816,804
Accumulated Depreciation	(398,954)		(392,029)
Property, Plant and Equipment - Net	1,447,750		1,424,775
Investments:
Available-for-Sale Securities	8,808		8,696
Restricted Investments	1,143		680
Total Investments	9,951		9,376
Current Assets:
Cash and Cash Equivalents	4,354		2,020
Accounts Receivable	124,733		60,317
Accounts Receivable - Related Parties	1,504		968
Unbilled Revenues	40,149		41,510
Provision for Uncollectibles	(5,425)		(4,553)
Natural Gas in Storage, average cost	5,228		20,811
Materials and Supplies, average cost	1,801		1,798
Deferred Income Taxes - Net	3,728		23,309
Prepaid Taxes	0		7,683
Derivatives - Energy Related Assets	2,121		1,222
Other Prepayments and Current Assets	3,604		3,819
Total Current Assets	181,797		158,904
Regulatory and Other Noncurrent Assets:
Regulatory Assets	309,290		296,081
Unamortized Debt Issuance Costs	7,523		6,523
Long-Term Receivables	10,292		10,252
Derivatives - Energy Related Assets	69		278
Other	3,001		2,937
Total Regulatory and Other Noncurrent Assets	330,175		316,071
Total Assets	1,969,673		1,909,126
Common Equity:
Common Stock, Par Value $2.50 per share: Authorized - 4,000,000 shares Outstanding - 2,339,139 shares	5,848		5,848
Other Paid-In Capital and Premium on Common Stock	225,972		225,972
Accumulated Other Comprehensive Loss	(10,799)	[1]	(10,869)	[1]
Retained Earnings	427,675		390,018
Total Common Equity	648,696		610,969
Long-Term Debt	484,000		454,000
Total Capitalization	1,132,696		1,064,969
Current Liabilities:
Notes Payable	47,700		65,500
Current Portion of Long-Term Debt	21,000		21,000
Accounts Payable - Commodity	35,465		24,232
Accounts Payable - Other	35,900		32,072
Accounts Payable - Related Parties	9,761		6,638
Derivatives - Energy Related Liabilities	280		711
Customer Deposits and Credit Balances	14,016		15,089
Environmental Remediation Costs	25,412		15,422
Taxes Accrued	8,582		1,767
Pension Benefits	1,241		1,241
Interest Accrued	5,163		6,039
Other Current Liabilities	4,132		5,629
Total Current Liabilities	208,652		195,340
Regulatory and Other Noncurrent Liabilities:
Regulatory Liabilities	48,158		60,949
Deferred Income Taxes - Net	381,494		380,975
Environmental Remediation Costs	94,192		104,070
Asset Retirement Obligations	41,412		41,178
Pension and Other Postretirement Benefits	49,380		48,197
Investment Tax Credits	307		360
Derivatives - Energy Related Liabilities	186		48
Derivatives - Other	4,735		3,735
Other	8,461		9,305
Total Regulatory and Other Noncurrent Liabilities	628,325		648,817
Commitments and Contingencies (Note 9)
Total Capitalization and Liabilities	$ 1,969,673		$ 1,909,126

[1] Determined using a combined statutory tax rate of 41% .