Consolidated Balance Sheet - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Current Assets
Cash and Cash Equivalents	$ 71.9	$ 36.4
Accounts Receivable (Less Allowance of $1.6 and $1.6 )	137.2	137.9
Inventories – Net	175.4	455.9
Prepayments and Other	83.6	87.8
Total Current Assets	468.1	718.0
Property, Plant and Equipment – Net	5,013.4	5,004.0
Regulatory Assets	425.4	441.0
Equity Investments	331.2	322.7
Goodwill and Intangible Assets – Net	155.4	155.6
Other Non-Current Assets	262.9	204.3
Total Assets	6,656.4	6,845.6
Current Liabilities
Accounts Payable	102.2	103.0
Accrued Taxes	51.0	69.1
Accrued Interest	21.1	20.5
Long-Term Debt Due Within One Year	111.4	272.6
Other	91.9	251.0
Total Current Liabilities	377.6	716.2
Long-Term Debt	1,679.9	1,648.2
Deferred Income Taxes	192.7	158.1
Regulatory Liabilities	574.0	526.1
Defined Benefit Pension and Other Postretirement Benefit Plans	160.8	179.7
Other Non-Current Liabilities	264.3	269.0
Total Liabilities	3,249.3	3,497.3
Commitments, Guarantees and Contingencies (Note 9)
Redeemable Non-Controlling Interest	0.5	0.0
ALLETE Equity
Common Stock Without Par Value, 80.0 Shares Authorized, 57.6 and 57.2 Shares Issued and Outstanding	1,803.7	1,781.5
Accumulated Other Comprehensive Loss	(20.5)	(24.4)
Retained Earnings	1,026.4	934.8
Total ALLETE Equity	2,809.6	2,691.9
Non-Controlling Interest in Subsidiaries	597.0	656.4
Total Equity	3,406.6	3,348.3
Total Liabilities, Redeemable Non-Controlling Interest and Equity	$ 6,656.4	$ 6,845.6