v3.25.4
Statements Of Consolidated Cash Flows - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Operating Activities      
Net Income $ 1,012.6 $ 844.7 $ 674.4
Adjustments to Reconcile Net Income to Net Cash from Operating Activities:      
Depreciation and amortization 1,167.6 1,043.2 908.2
Deferred income taxes and investment tax credits 235.8 168.0 134.1
Stock compensation expense and 401(k) profit sharing contribution 50.9 43.6 33.5
Payments for asset retirement obligations (73.0) (72.5) (41.6)
Other adjustments 24.8 (49.9) (15.0)
Changes in Assets and Liabilities:      
Accounts receivable (273.4) (101.5) 184.1
Gas storage and other inventories (60.3) 102.0 233.9
Accounts payable 131.8 71.5 (171.8)
Exchange gas receivable/payable 135.8 (133.5) 126.5
Other accruals 67.9 9.5 (102.9)
Prepayments and other current assets (37.3) (75.9) 36.7
Regulatory assets/liabilities 55.7 (8.7) (26.2)
Postretirement and postemployment benefits (46.1) (64.3) (22.0)
Deferred charges and other noncurrent assets (33.5) (20.8) (10.1)
Other noncurrent liabilities and deferred credits 3.0 26.1 (6.7)
Net Cash Flows from Operating Activities 2,362.3 1,781.5 1,935.1
Investing Activities      
Capital expenditures (2,782.3) (2,614.0) (2,645.8)
Cost of removal (188.3) (166.8) (160.8)
Purchases of available-for-sale securities (93.9) (17.8) (42.8)
Sales of available-for-sale securities 39.3 93.2 39.9
Milestone and final payments to renewable generation asset developers (1,098.7) (482.0) (761.4)
Advanced deposits for project costs (373.8) (29.0) 0.0
Other investing activities (26.4) 3.4 (0.7)
Net Cash Flows used for Investing Activities (4,524.1) (3,213.0) (3,571.6)
Financing Activities      
Proceeds from issuance of long-term debt 3,352.0 2,229.5 1,488.7
Repayments of finance lease obligations (22.0) (25.6) (33.1)
Repayments of Long-Term Debt (1,260.0) 0.0 0.0
Repayment of short term credit agreements 0.0 (1,650.0) 0.0
Issuance of short term credit agreements 0.0 0.0 650.0
Net change in commercial paper and other short-term borrowings 131.4 (794.0) 636.4
Issuance of common stock, net of issuance costs 312.1 612.6 12.9
Redemption of preferred stock 0.0 (486.1) (393.9)
Preferred stock redemption premium 0.0 (14.0) (6.2)
Payment of obligation to renewable generation asset developer 0.0 0.0 (347.2)
Equity costs, premiums and other debt related costs (26.8) (67.3) (30.2)
Contributions from NIPSCO and GenCo minority interest holders (231.4) (99.5) (2,161.9)
Distributions to NIPSCO minority interest holders (74.6) (50.3) 0.0
Distributions to tax equity partners (74.6) (50.3) 0.0
Contributions from tax equity partners 0.0 0.0 240.9
Distributions to tax equity partners (14.2) (16.1) (14.1)
Dividends paid - common stock (530.4) (481.0) (413.5)
Dividends paid - preferred stock 0.0 (8.2) (43.8)
Contract liability payment 0.0 0.0 (66.6)
Net Cash Flows (used for) from Financing Activities 2,098.9 (651.0) 3,842.2
Change in cash, cash equivalents and restricted cash (62.9) (2,082.5) 2,205.7
Cash, cash equivalents and restricted cash at beginning of period 198.6 2,281.1 75.4
Cash, Cash Equivalents and Restricted Cash at End of Period $ 135.7 $ 198.6 $ 2,281.1