BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
Property, Plant and Equipment:
Utility Plant, at original cost	$ 2,002,966		$ 1,816,804
Accumulated Depreciation	(413,597)		(392,029)
Property, Plant and Equipment - Net	1,589,369		1,424,775
Investments:
Available-for-Sale Securities	8,894		8,696
Restricted Investments	7,961		680
Total Investments	16,855		9,376
Current Assets:
Cash and Cash Equivalents	1,778		2,020
Accounts Receivable	60,535		60,317
Accounts Receivable - Related Parties	1,157		968
Unbilled Revenues	49,910		41,510
Provision for Uncollectibles	(6,601)		(4,553)
Natural Gas in Storage, average cost	25,325		20,811
Materials and Supplies, average cost	1,104		1,798
Deferred Income Taxes - Net	44,064		23,309
Prepaid Taxes	13,601		7,683
Derivatives - Energy Related Assets	2,051		1,222
Other Prepayments and Current Assets	3,688		3,819
Total Current Assets	196,612		158,904
Regulatory and Other Noncurrent Assets:
Regulatory Assets	357,160		296,081
Unamortized Debt Issuance Costs	7,382		6,523
Long-Term Receivables	15,223		10,252
Derivatives - Energy Related Assets	0		278
Other	3,071		2,937
Total Regulatory and Other Noncurrent Assets	382,836		316,071
Total Assets	2,185,672		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	250,899		225,972
Accumulated Other Comprehensive Loss	(14,479)	[1]	(10,869)	[1]
Retained Earnings	438,300		390,018
Total Common Equity	680,568		610,969
Long-Term Debt	507,091	[2]	454,000	[2]
Total Capitalization	1,187,659		1,064,969
Current Liabilities:
Notes Payable	101,400		65,500
Current Portion of Long-Term Debt	35,909	[2],[3]	21,000	[2],[3]
Accounts Payable - Commodity	22,359		24,232
Accounts Payable - Other	32,711		32,072
Accounts Payable - Related Parties	11,249		6,638
Derivatives - Energy Related Liabilities	6,305		711
Customer Deposits and Credit Balances	17,626		15,089
Environmental Remediation Costs	28,480		15,422
Taxes Accrued	1,177		1,767
Pension Benefits	1,515		1,241
Interest Accrued	6,099		6,039
Other Current Liabilities	6,580		5,629
Total Current Liabilities	271,410		195,340
Regulatory and Other Noncurrent Liabilities:
Regulatory Liabilities	41,899		60,949
Deferred Income Taxes - Net	435,022		380,975
Environmental Remediation Costs	95,828		104,070
Asset Retirement Obligations	41,976		41,178
Pension and Other Postretirement Benefits	95,241		48,197
Investment Tax Credits	149		360
Derivatives - Energy Related Liabilities	1,298		48
Derivatives - Other	7,325		3,735
Other	7,865		9,305
Total Regulatory and Other Noncurrent Liabilities	726,603		648,817
Commitments and Contingencies (Note 9)
Total Capitalization and Liabilities	$ 2,185,672		$ 1,909,126

[1] Determined using a combined statutory tax rate of 40% and 41% in 2014 and 2013, respectively.

[2] Long-term debt maturities and sinking funds requirements for the succeeding five years are as follows (in thousands): 2015, $35,909; 2016, $27,909; 2017, $74,909; 2018, $38,909; 2019, $18,909.

[3] These variable rate demand bonds bear interest at a floating rate that resets weekly. The interest rate as of December 31, 2014 was 0.08%. Liquidity support on these bonds is provided under a separate letter of credit facility that expires in August, 2015; as such, these bonds have been included in the current portion of long-term debt. These bonds contain no financial covenants.