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SUPPLEMENTAL CASH FLOW INFORMATION (Tables) | 9 Months Ended
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Sep. 30, 2025
Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract] |
Schedule of additional information regarding the statements of cash flows | The following table provides additional information regarding our statements of cash flows:
|  | Nine Months Ended September 30 |
(in millions) |  | 2025 |  | 2024 |  |  |
Cash paid for interest, net of amount capitalized |  | $ | 555.4 |  |  | $ | 533.1 |  |  |  |
Cash received for income taxes, net |  | (220.0) |  | (1) | (214.6) |  | (2) |  |
Significant non-cash investing and financing transactions: |  |  |  |  |  |  |
Accounts payable related to construction costs |  | 227.6 |  |  | 163.4 |  |  |  |
Common stock issued for stock-based compensation plans |  | 3.2 |  |  | 6.4 |  |  |  |
Increase in receivables related to property damage insurance proceeds |  | 2.5 |  |  | 5.3 |  |  |  |
Liabilities accrued for software licensing agreements |  | 20.7 |  |  | — |  |  |  |
(1) Cash received for income taxes includes $195.0 million related to 2025 and 2024 PTCs that were sold to third parties and a $25.0 million tax refund received in Wisconsin. (2) Cash received for income taxes includes $217.1 million related to 2024 and 2023 PTCs that were sold to third parties.
Reconciliation of cash, cash equivalents, and restricted cash | The following table reconciles the cash, cash equivalents, and restricted cash amounts reported within the balance sheets to the total of these amounts shown on the statements of cash flows:
(in millions) |  | September 30, 2025 |  | December 31, 2024
Cash and cash equivalents |  | $ | 51.1 |  |  | $ | 9.8 |
Restricted cash included in other current assets |  | 32.4 |  |  | 5.3 |
Restricted cash included in other long-term assets |  | 34.2 |  |  | 27.1 |
Cash, cash equivalents, and restricted cash |  | $ | 117.7 |  |  | $ | 42.2 |

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- Definition Tabular reconciliation of cash, cash equivalents, and restricted cash reported within the balance sheets to the amounts shown in the statements of cash flows. + References No definition available. + Details
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