v3.26.3
Statements of Consolidated Balance Sheets - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Property, Plant and Equipment    
Plant $ 41,563.1 $ 38,058.8
Accumulated depreciation and amortization (9,967.7) (9,370.6)
Net Property, Plant and Equipment [1] 31,595.4 28,688.2
Investments and Other Assets    
Unconsolidated affiliates 10.3 8.1
Available-for-sale debt securities (amortized cost of $173.0 and $145.8, respectively) 166.1 146.1
Other investments 120.5 118.6
Total Investments and Other Assets 296.9 272.8
Current Assets    
Cash and cash equivalents 57.5 110.1
Restricted Cash 25.3 25.6
Accounts receivable 861.8 1,238.1
Allowance for credit losses (33.6) (40.6)
Accounts receivable, net 828.2 1,197.5
Gas storage 271.8 252.0
Materials and supplies, at average cost 230.5 189.0
Electric production fuel, at average cost 25.7 8.5
Exchange gas receivable 34.0 66.0
Regulatory assets 466.6 274.2
Income Taxes Receivable 16.7 15.7
Prepayments and other 180.8 89.3
Total Current Assets [1] 2,363.5 2,377.2
Other Assets    
Regulatory assets 2,447.4 2,225.2
Goodwill 1,485.9 1,485.9
Deferred charges and other 677.7 809.4
Total Other Assets 4,611.0 4,520.5
Total Assets 38,866.8 35,858.7
Stockholders' Equity    
Common stock - $0.01 par value,750,000,000 shares authorized; 479,602,650 and 478,432,058 shares outstanding, respectively 4.8 4.8
Treasury stock (99.9) (99.9)
Additional paid-in capital 9,891.6 9,866.6
Retained deficit (211.7) (315.2)
Accumulated other comprehensive loss (13.6) (6.2)
Total NiSource Stockholders’ Equity 9,571.2 9,450.1
Noncontrolling interest in consolidated subsidiaries 2,383.2 2,209.8
Total Stockholders’ Equity 11,954.4 11,659.9
Long-term debt, excluding amounts due within one year 16,380.8 15,457.8
Total Capitalization 28,335.2 27,117.7
Current Liabilities    
Current portion of long-term debt 1,101.8 19.7
Short-term borrowings 780.0 736.0
Accounts payable 1,241.3 1,124.5
Dividends payable - common stock 148.7 4.4
Customer deposits and credits 279.4 283.4
Taxes accrued 221.5 228.8
Interest accrued 238.9 206.2
Exchange gas payable 81.1 125.4
Regulatory liabilities 174.3 260.1
Asset Retirement Obligation 41.4 55.0
Accrued compensation and employee benefits 249.1 246.8
Other accruals 212.4 167.1
Total Current Liabilities [2] 4,769.9 3,457.4
Other Liabilities    
Deferred income taxes 2,691.8 2,500.1
Accrued liability for postretirement and postemployment benefits 139.0 153.1
Regulatory liabilities 1,633.4 1,513.3
Asset retirement obligations 832.0 781.9
Other noncurrent liabilities 385.2 258.0
Total Other Liabilities [2] 5,761.7 5,283.6
Total Capitalization and Liabilities $ 38,866.8 $ 35,858.7
Common Stock, Shares Authorized 750,000,000 750,000,000
Common Stock, No Par Value $ 0.01 $ 0.01
Prepaid Expense, Current $ 226.4 $ 149.3
Accrued insurance liabilities 80.3 77.2
Variable Interest Entity Primary Beneficiary Member GenCo    
Other Liabilities    
Other Assets 173.2 305.4
Joint Ventures    
Property, Plant and Equipment    
Net Property, Plant and Equipment 1,857.3 1,312.7
Current Assets    
Total Current Assets 228.6 90.1
Current Liabilities    
Total Current Liabilities 89.8 56.9
Other Liabilities    
Total Other Liabilities $ 57.6 $ 55.7
[1] Includes $1,857.3 million and $1,312.7 million at September 30, 2026 and December 31, 2025, respectively, of net property, plant and equipment assets and $228.6 million and $90.1 million at September 30, 2026 and December 31, 2025, respectively, of current assets of consolidated VIEs that may be used only to settle obligations of the consolidated VIEs. Refer to Note 4, "Noncontrolling Interests," for additional information.
(2)Includes $173.2 million and $305.4 million at September 30, 2026 and December 31, 2025, respectively, of advanced deposits of project costs and $10.0 million and zero, respectively, of regulatory assets at September 30, 2026 and December 31, 2025, respectively, of consolidated VIEs that may be used only to settle obligations of the consolidated VIEs. Refer to Note 4, "Noncontrolling Interests," for additional information.
[2] Includes $89.8 million and $56.9 million at September 30, 2026 and December 31, 2025, respectively, of current liabilities and $57.6 million and $55.7 million at September 30, 2026 and December 31, 2025, respectively, of other liabilities, and finance leases of $40.0 million and $40.1 million at September 30, 2026 and December 31, 2025, respectively, of consolidated VIEs that creditors do not have recourse to our general credit. Refer to Note 4, "Noncontrolling Interests," for additional information.