CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Current Assets:
Cash and Cash Equivalents	$ 6.3	$ 6.5	$ 6.8
Accounts Receivable, Net	83.9	75.0	92.2
Accrued Revenue	72.2	63.4	71.6
Exchange Gas Receivable	2.2	9.4	4.7
Gas Inventory	0.3	1.0	0.8
Materials and Supplies	14.0	13.5	12.4
Prepayments and Other	10.5	8.3	9.4
Total Current Assets	189.4	177.1	197.9
Utility Plant:
Electric	659.8	654.9	629.9
Gas	1,129.6	1,117.6	1,055.0
Common	64.9	70.0	68.9
Construction Work in Progress	68.5	65.3	53.8
Utility Plant	1,922.8	1,907.8	1,807.6
Less: Accumulated Depreciation	493.0	486.9	466.3
Net Utility Plant	1,429.8	1,420.9	1,341.3
Other Noncurrent Assets:
Regulatory Assets	52.1	53.1	51.6
Operating Lease Right of Use Assets	5.6	5.6	5.7
Other Assets	21.0	13.7	18.2
Total Other Noncurrent Assets	78.7	72.4	75.5
TOTAL ASSETS	1,697.9	1,670.4	1,614.7
Current Liabilities:
Accounts Payable	37.9	47.7	46.3
Short-Term Debt	169.9	162.0	140.2
Long-Term Debt, Current Portion	4.9	4.9	6.7
Regulatory Liabilities	17.9	13.5	17.0
Energy Supply Obligations	7.0	15.0	10.6
Interest Payable	7.2	6.0	6.1
Environmental Obligations	0.7	0.6	0.6
Taxes Payable	8.9	1.9	1.2
Other Current Liabilities	22.2	25.7	24.8
Total Current Liabilities	276.6	277.3	253.5
Noncurrent Liabilities:
Retirement Benefit Obligations	46.0	45.6	46.8
Deferred Income Taxes, Net	179.1	176.1	171.1
Cost of Removal Obligations	130.6	126.3	120.0
Regulatory Liabilities	34.0	34.4	36.2
Environmental Obligations	4.1	4.0	4.1
Other Noncurrent Liabilities	8.8	8.3	8.6
Total Noncurrent Liabilities	402.6	394.7	386.8
Capitalization:
Long-Term Debt, Less Current Portion	507.9	509.1	488.0
Stockholders' Equity:
Common Equity (Authorized: 25,000,000 and Outstanding: 16,167,887, 16,086,230 and 16,116,724 Shares)	338.7	337.6	336.1
Retained Earnings	171.9	151.5	150.1
Total Common Stock Equity	510.6	489.1	486.2
Preferred Stock	0.2	0.2	0.2
Total Stockholders' Equity	510.8	489.3	486.4
Total Capitalization	1,018.7	998.4	974.4
Commitments and Contingencies (Notes 6 & 7)
TOTAL LIABILITIES AND CAPITALIZATION	$ 1,697.9	$ 1,670.4	$ 1,614.7