CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017
Current Assets:
Cash and Cash Equivalents	$ 6.3	$ 8.9	$ 10.9
Accounts Receivable, net	52.3	67.4	45.8
Accrued Revenue	36.0	53.3	39.2
Exchange Gas Receivable	10.1	5.8	9.5
Materials and Supplies	7.2	6.9	7.3
Prepayments and Other	8.7	9.0	9.3
Total Current Assets	120.6	151.3	122.0
Utility Plant:
Gas	712.7	699.6	646.7
Electric	485.6	476.7	454.6
Common	82.1	67.4	36.0
Construction Work in Progress	68.4	35.5	113.0
Total Utility Plant	1,348.8	1,279.2	1,250.3
Less: Accumulated Depreciation	326.5	307.7	303.6
Net Utility Plant	1,022.3	971.5	946.7
Other Noncurrent Assets:
Regulatory Assets	111.6	109.6	102.0
Other Assets	10.0	9.5	9.2
Total Other Noncurrent Assets	121.6	119.1	111.2
TOTAL ASSETS	1,264.5	1,241.9	1,179.9
Current Liabilities:
Accounts Payable	27.4	41.5	24.1
Short-Term Debt	69.1	38.3	111.9
Long-Term Debt, Current Portion	31.8	29.8	29.8
Regulatory Liabilities	12.2	9.2	15.0
Energy Supply Obligations	15.0	9.7	12.9
Capital Lease Obligations	3.1	3.1	3.1
Other Current Liabilities	21.9	19.4	19.5
Total Current Liabilities	180.5	151.0	216.3
Noncurrent Liabilities:
Retirement Benefit Obligations	142.4	150.1	155.0
Deferred Income Taxes, net	86.4	82.9	109.2
Cost of Removal Obligations	91.2	84.3	84.8
Regulatory Liabilities	47.9	48.9
Capital Lease Obligations	3.4	5.7	6.4
Other Noncurrent Liabilities	6.6	5.9	6.3
Total Noncurrent Liabilities	377.9	377.8	361.7
Capitalization:
Long-Term Debt, Less Current Portion	361.1	376.3	303.6
Stockholders' Equity:
Common Equity (Authorized: 25,000,000 and Outstanding: 14,872,011, 14,119,893 and 14,815,585 Shares)	278.3	275.8	243.4
Retained Earnings	66.5	60.8	54.7
Total Common Stock Equity	344.8	336.6	298.1
Preferred Stock	0.2	0.2	0.2
Total Stockholders' Equity	345.0	336.8	298.3
Total Capitalization	706.1	713.1	601.9
Commitments and Contingencies (Notes 6 & 7)
TOTAL LIABILITIES AND CAPITALIZATION	$ 1,264.5	$ 1,241.9	$ 1,179.9