Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment
Regulated Energy	$ 2,941.6	$ 2,661.8
Unregulated Energy	492.4	463.7
Other businesses	38.3	29.9
Total property, plant and equipment	3,472.3	3,155.4
Accumulated depreciation	637.6	567.6
Construction Work in Progress	283.7	148.1
Net property, plant and equipment	3,118.4	2,735.9
Current Assets
Cash and cash equivalents	1.8	7.9
Accounts Receivable, before Allowance for Credit Loss, Current	106.9	80.0
Allowance for uncollectible accounts	5.4	3.3
Trade and other receivables, net	101.5	76.7
Accrued Revenue	50.1	37.8
Propane inventory, at average cost	8.8	8.9
Other inventory, at average cost	17.9	18.0
Regulatory assets	29.7	23.9
Storage gas prepayments	4.5	3.8
Income taxes receivable	0.0	6.8
Prepaid expenses	19.7	17.3
Derivative assets, at fair value	0.0	0.6
Other current assets	3.0	2.6
Total current assets	237.0	204.3
Deferred Charges and Other Assets
Goodwill	507.5	507.7
Other intangible assets, net	13.2	15.0
Investments, Fair Value Disclosure	17.2	14.4
Operating Lease, Right-of-Use Asset	9.9	10.5
Regulatory assets	74.3	77.4
Receivables and other deferred charges	17.3	11.7
Total deferred charges and other assets	639.4	636.8
Total Assets	3,994.8	3,577.0
Stockholders’ equity
Preferred stock, par value $0.01 per share (authorized 2,000,000 shares), no shares issued and outstanding	0.0	0.0
Common stock, par value $0.4867 per share (authorized 75,000,000 shares)	11.6	11.1
Additional paid-in capital	962.8	830.5
Retained earnings	626.8	550.3
Accumulated other comprehensive loss	(2.7)	(1.7)
Deferred compensation obligation	12.6	9.8
Treasury Stock, Value	(12.6)	(9.8)
Total stockholders’ equity	1,598.5	1,390.2
Long-term debt, net of current maturities	1,327.1	1,261.7
Total capitalization	2,925.6	2,651.9
Current Liabilities
Current portion of long-term debt	134.6	25.5
Short-term borrowing	158.0	196.5
Accounts payable	115.2	78.3
Customer deposits and refunds	45.1	45.7
Accrued interest	8.7	4.8
Dividends payable	16.4	14.7
Accrued compensation	21.6	23.9
Regulatory liabilities	14.5	16.1
Derivative liabilities, at fair value	0.8	0.0
Other accrued liabilities	15.0	13.9
Total current liabilities	529.9	419.4
Deferred Credits and Other Liabilities
Deferred income taxes	313.3	296.1
Regulatory liabilities	188.1	184.0
Environmental liabilities	2.9	2.2
Other pension and benefit costs	14.0	13.2
Operating Lease, Liability, Noncurrent	7.9	8.7
Deferred investment tax credits and other liabilities	12.5	1.4
Total deferred credits and other liabilities	539.3	505.7
Commitments and Contingencies
Total Capitalization and Liabilities	3,994.8	3,577.0
Regulated Energy	2,941.6	2,661.8
Unregulated Energy	492.4	463.7
Other businesses	38.3	29.9
Total property, plant and equipment	3,472.3	3,155.4
Accumulated depreciation	637.6	567.6
Construction Work in Progress	283.7	148.1
Net property, plant and equipment	3,118.4	2,735.9
Cash and cash equivalents	1.8	7.9
Accounts Receivable, before Allowance for Credit Loss, Current	106.9	80.0
Allowance for uncollectible accounts	5.4	3.3
Trade and other receivables, net	101.5	76.7
Accrued Revenue	50.1	37.8
Propane inventory, at average cost	8.8	8.9
Other inventory, at average cost	17.9	18.0
Regulatory assets	29.7	23.9
Storage gas prepayments	4.5	3.8
Income taxes receivable	0.0	6.8
Prepaid expenses	19.7	17.3
Derivative assets, at fair value	0.0	0.6
Other current assets	3.0	2.6
Disposal Group, Including Discontinued Operation, Assets, Current	237.0	204.3
Goodwill	507.5	507.7
Other intangible assets, net	13.2	15.0
Investments, Fair Value Disclosure	17.2	14.4
Energy Marketing Contracts Assets, Noncurrent	0.0	0.1
Operating Lease, Right-of-Use Asset	9.9	10.5
Regulatory assets	74.3	77.4
Receivables and other deferred charges	17.3	11.7
Deferred Charges And Other Assets	639.4	636.8
Total identifiable assets	3,994.8	3,577.0
Preferred stock, par value $0.01 per share (authorized 2,000,000 shares), no shares issued and outstanding	0.0	0.0
Common stock, par value $0.4867 per share (authorized 75,000,000 shares)	11.6	11.1
Additional paid-in capital	962.8	830.5
Retained earnings	626.8	550.3
Accumulated other comprehensive loss	(2.7)	(1.7)
Deferred compensation obligation	12.6	9.8
Treasury Stock, Value	12.6	9.8
Stockholders' Equity Attributable to Parent	1,598.5	1,390.2
Long-term debt, net of current maturities	1,327.1	1,261.7
Total capitalization	2,925.6	2,651.9
Current portion of long-term debt	134.6	25.5
Short-term borrowing	158.0	196.5
Accounts payable	115.2	78.3
Customer deposits and refunds	45.1	45.7
Accrued interest	8.7	4.8
Dividends payable	16.4	14.7
Accrued compensation	21.6	23.9
Regulatory liabilities	14.5	16.1
Derivative liabilities, at fair value	0.8	0.0
Other accrued liabilities	15.0	13.9
Liabilities, Current	529.9	419.4
Deferred income taxes	313.3	296.1
Regulatory liabilities	188.1	184.0
Environmental liabilities	2.9	2.2
Other pension and benefit costs	14.0	13.2
Energy Marketing Contract Liabilities, Noncurrent	0.6	0.1
Operating Lease, Liability, Noncurrent	7.9	8.7
Deferred investment tax credits and other liabilities	12.5	1.4
Deferred Credits and Other Liabilities	539.3	505.7
Liabilities and Equity	3,994.8	3,577.0
Allowance for uncollectible accounts	5.4	3.3
Operating Lease, Liability, Noncurrent	$ 7.9	$ 8.7