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v3.25.2

BUSINESS SEGMENTS - By Segment (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Segment Reporting Information [Line Items] |  |  |  |  |
Contracts with Customers – Utility | $ 305.1 | $ 279.8 | $ 637.9 | $ 618.1 |
Contracts with Customers – Non-utility | 53.8 | 73.5 | 119.7 | 137.2 |
Other – Non-utility | 1.4 | 1.2 | 2.9 | 2.5 |
Total Operating Revenue | 360.3 | 354.5 | 760.5 | 757.8 |
Transmission Services – Utility | 19.3 | 1.6 | 38.3 | 24.3 |
Cost of Sales – Non-utility | 24.3 | 31.8 | 49.2 | 56.2 |
Operating and Maintenance | 96.6 | 102.1 | 189.6 | 193.8 |
Depreciation and Amortization | 73.2 | 66.0 | 142.9 | 131.0 |
Taxes Other than Income Taxes | 15.6 | 16.3 | 33.2 | 35.0 |
Net Income Attributable to ALLETE | 31.9 | 33.0 | 88.0 | 83.7 |
Interest Expense | (23.1) | (20.1) | (44.5) | (40.5) |
Equity Earnings | 5.9 | 5.9 | 11.9 | 11.4 |
Income Tax Expense (Benefit) | (0.6) | 1.4 | 6.9 | 5.4 |
Assets | 6,913.2 | 6,661.3 | 6,913.2 | 6,661.3 | $ 6,754.3
Equity Investment | 350.5 | 336.0 | 350.5 | 336.0 | $ 340.1
Capital Expenditures | 130.5 | 91.9 | 275.7 | 143.7 |
Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Contracts with Customers – Utility | 305.1 | 279.8 | 637.9 | 618.1 |
Contracts with Customers – Non-utility | 28.5 | 42.9 | 64.9 | 77.7 |
Other – Non-utility | 1.4 | 1.2 | 2.9 | 2.5 |
Total Operating Revenue | 335.0 | 323.9 | 705.7 | 698.3 |
Fuel, Purchased Power and Gas – Utility | 114.1 | 108.0 | 237.4 | 241.7 |
Transmission Services – Utility | 19.3 | 1.6 | 38.3 | 24.3 |
Cost of Sales – Non-utility | 8.3 | 11.3 | 13.6 | 17.0 |
Operating and Maintenance | 89.3 | 84.3 | 177.2 | 171.1 |
Depreciation and Amortization | 69.1 | 62.0 | 134.9 | 123.0 |
Taxes Other than Income Taxes | 15.1 | 15.6 | 32.1 | 33.9 |
Other Segment Items | 8.8 | 2.7 | 11.4 | 8.5 |
Net Income Attributable to ALLETE | 28.6 | 43.8 | 83.6 | 95.8 |
Interest Expense | (18.3) | (16.9) | (36.1) | (34.8) |
Equity Earnings | 6.4 | 6.0 | 12.9 | 11.7 |
Income Tax Expense (Benefit) | 4.4 | 2.9 | 11.2 | 3.8 |
Assets | 6,467.2 | 6,288.1 | 6,467.2 | 6,288.1 |
Equity Investment | 206.9 | 186.7 | 206.9 | 186.7 |
Capital Expenditures | 128.3 | 87.0 | 272.1 | 136.7 |
Corporate and Other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Contracts with Customers – Utility | 0.0 | 0.0 | 0.0 | 0.0 |
Contracts with Customers – Non-utility | 25.3 | 30.6 | 54.8 | 59.5 |
Other – Non-utility | 0.0 | 0.0 | 0.0 | 0.0 |
Total Operating Revenue | 25.3 | 30.6 | 54.8 | 59.5 |
Depreciation and Amortization | 4.1 | 4.0 | 8.0 | 8.0 |
Net Income Attributable to ALLETE | 3.3 | (10.8) | 4.4 | (12.1) |
Interest Expense | (4.8) | (3.2) | (8.4) | (5.7) |
Equity Earnings | (0.5) | (0.1) | (1.0) | (0.3) |
Income Tax Expense (Benefit) | (5.0) | (1.5) | (4.3) | 1.6 |
Assets | 446.0 | 373.2 | 446.0 | 373.2 |
Equity Investment | 143.6 | 149.3 | 143.6 | 149.3 |
Capital Expenditures | 2.2 | 4.9 | 3.6 | 7.0 |
Regulated Operations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total Operating Revenue | 305.1 | 279.8 | 637.9 | 618.1 |
Net Income Attributable to ALLETE | 23.0 | 33.7 | 61.4 | 77.9 |
Regulated Operations | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Contracts with Customers – Utility | 305.1 | 279.8 | 637.9 | 618.1 |
Contracts with Customers – Non-utility | 0.0 | 0.0 | 0.0 | 0.0 |
Other – Non-utility | 0.0 | 0.0 | 0.0 | 0.0 |
Total Operating Revenue | 305.1 | 279.8 | 637.9 | 618.1 |
Fuel, Purchased Power and Gas – Utility | 114.1 | 108.0 | 237.4 | 241.7 |
Transmission Services – Utility | 19.3 | 1.6 | 38.3 | 24.3 |
Cost of Sales – Non-utility | 0.0 | 0.0 | 0.0 | 0.0 |
Operating and Maintenance | 68.6 | 66.7 | 137.3 | 133.5 |
Depreciation and Amortization | 54.1 | 46.8 | 104.8 | 93.2 |
Taxes Other than Income Taxes | 12.3 | 13.7 | 26.6 | 29.4 |
Other Segment Items | (13.7) | (9.3) | (32.1) | (18.1) |
Net Income Attributable to ALLETE | 23.0 | 33.7 | 61.4 | 77.9 |
Interest Expense | (17.4) | (16.3) | (34.5) | (32.3) |
Equity Earnings | 6.4 | 6.0 | 12.9 | 11.7 |
Income Tax Expense (Benefit) | 5.2 | 3.8 | 15.4 | 8.7 |
Assets | 4,633.4 | 4,404.2 | 4,633.4 | 4,404.2 |
Equity Investment | 206.9 | 186.7 | 206.9 | 186.7 |
Capital Expenditures | 117.5 | 80.5 | 251.8 | 130.0 |
ALLETE Clean Energy |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total Operating Revenue | 15.3 | 15.7 | 31.8 | 34.8 |
Net Income Attributable to ALLETE | 0.9 | 2.4 | 8.3 | 6.2 |
ALLETE Clean Energy | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Contracts with Customers – Utility | 0.0 | 0.0 | 0.0 | 0.0 |
Contracts with Customers – Non-utility | 13.9 | 14.5 | 28.9 | 32.3 |
Other – Non-utility | 1.4 | 1.2 | 2.9 | 2.5 |
Total Operating Revenue | 15.3 | 15.7 | 31.8 | 34.8 |
Fuel, Purchased Power and Gas – Utility | 0.0 | 0.0 | 0.0 | 0.0 |
Transmission Services – Utility | 0.0 | 0.0 | 0.0 | 0.0 |
Cost of Sales – Non-utility | 0.0 | 0.0 | 0.0 | 0.0 |
Operating and Maintenance | 13.8 | 11.7 | 27.7 | 25.2 |
Depreciation and Amortization | 14.6 | 14.7 | 29.0 | 28.8 |
Taxes Other than Income Taxes | 2.8 | 1.9 | 5.5 | 4.5 |
Other Segment Items | 16.8 | 15.0 | 38.7 | 29.9 |
Net Income Attributable to ALLETE | 0.9 | 2.4 | 8.3 | 6.2 |
Interest Expense | 0.0 | (0.1) | 0.0 | (0.2) |
Equity Earnings | 0.0 | 0.0 | 0.0 | 0.0 |
Income Tax Expense (Benefit) | (1.7) | (3.0) | (5.2) | (8.5) |
Assets | 1,456.8 | 1,577.7 | 1,456.8 | 1,577.7 |
Equity Investment | 0.0 | 0.0 | 0.0 | 0.0 |
Capital Expenditures | 2.1 | 1.4 | 4.2 | 1.6 |
New Energy |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total Operating Revenue | 14.6 | 28.4 | 36.0 | 45.4 |
Net Income Attributable to ALLETE | 4.7 | 7.7 | 13.9 | 11.7 |
New Energy | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Contracts with Customers – Utility | 0.0 | 0.0 | 0.0 | 0.0 |
Contracts with Customers – Non-utility | 14.6 | 28.4 | 36.0 | 45.4 |
Other – Non-utility | 0.0 | 0.0 | 0.0 | 0.0 |
Total Operating Revenue | 14.6 | 28.4 | 36.0 | 45.4 |
Fuel, Purchased Power and Gas – Utility | 0.0 | 0.0 | 0.0 | 0.0 |
Transmission Services – Utility | 0.0 | 0.0 | 0.0 | 0.0 |
Cost of Sales – Non-utility | 8.3 | 11.3 | 13.6 | 17.0 |
Operating and Maintenance | 6.9 | 5.9 | 12.2 | 12.4 |
Depreciation and Amortization | 0.4 | 0.5 | 1.1 | 1.0 |
Taxes Other than Income Taxes | 0.0 | 0.0 | 0.0 | 0.0 |
Other Segment Items | 5.7 | (3.0) | 4.8 | (3.3) |
Net Income Attributable to ALLETE | 4.7 | 7.7 | 13.9 | 11.7 |
Interest Expense | (0.9) | (0.5) | (1.6) | (2.3) |
Equity Earnings | 0.0 | 0.0 | 0.0 | 0.0 |
Income Tax Expense (Benefit) | 0.9 | 2.1 | 1.0 | 3.6 |
Assets | 377.0 | 306.2 | 377.0 | 306.2 |
Equity Investment | 0.0 | 0.0 | 0.0 | 0.0 |
Capital Expenditures | $ 8.7 | $ 5.1 | $ 16.1 | $ 5.1 |

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