CONSOLIDATED STATEMENT OF INCOME Unaudited - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Operating Revenue
Contracts with Customers – Utility	$ 279.8	$ 292.2	$ 618.1	$ 604.8
Contracts with Customers – Non-utility	73.5	239.9	137.2	490.9
Other – Non-utility	1.2	1.3	2.5	2.6
Total Operating Revenue	354.5	533.4	757.8	1,098.3
Operating Expenses
Fuel, Purchased Power and Gas – Utility	107.3	107.3	240.8	225.9
Transmission Services – Utility	1.6	23.5	24.3	43.6
Cost of Sales – Non-utility	31.8	193.2	56.2	403.7
Operating and Maintenance	102.1	84.9	193.8	170.6
Depreciation and Amortization	66.0	62.8	131.0	125.1
Taxes Other than Income Taxes	16.3	8.2	35.0	27.6
Total Operating Expenses	325.1	479.9	681.1	996.5
Operating Income	29.4	53.5	76.7	101.8
Other Income (Expense)
Interest Expense	(20.1)	(21.1)	(40.5)	(40.4)
Equity Earnings	5.9	5.4	11.4	11.4
Other	5.9	2.5	14.5	6.6
Total Other Expense	(8.3)	(13.2)	(14.6)	(22.4)
Income Before Income Taxes	21.1	40.3	62.1	79.4
Income Tax Expense (Benefit)	1.4	(0.4)	5.4	1.1
Net Income	19.7	40.7	56.7	78.3
Net Loss Attributable to Non-Controlling Interest	(13.3)	(10.8)	(27.0)	(31.4)
Net Income Attributable to ALLETE	$ 33.0	$ 51.5	$ 83.7	$ 109.7
Average Shares of Common Stock
Basic (in shares)	57.7	57.3	57.7	57.3
Diluted (in shares)	57.8	57.4	57.7	57.4
Basic Earnings Per Share of Common Stock (in usd per share)	$ 0.57	$ 0.90	$ 1.45	$ 1.91
Diluted Earnings Per Share of Common Stock (in usd per share)	$ 0.57	$ 0.90	$ 1.45	$ 1.91