| Schedule Of Operating Income Derived From Revenues And Expenses By Segment |
| | | | | | | | | | | | | | | | | | Year Ended December 31, 2025 (in millions) | | Columbia Operations | | NIPSCO Operations | | Total of Reportable Segments | | Operating Revenues | | | | | | External revenue | $ | 3,330.0 | | | $ | 3,307.4 | | | $ | 6,637.4 | | Intersegment revenue | 13.3 | | | 1.1 | | | 14.4 | | Total Operating Revenue | $ | 3,343.3 | | | $ | 3,308.5 | | | $ | 6,651.8 | | | | | | | | | | | | | | Cost of energy | 819.8 | | | 764.7 | | | 1,584.5 | | O&M | 923.7 | | | 848.9 | | | 1,772.6 | | | Depreciation | 451.2 | | | 680.6 | | | 1,131.8 | | Total other taxes | 253.2 | | | 75.5 | | | 328.7 | | Other segment items(1) | 0.3 | | | 0.7 | | | 1.0 | | Operating Income | $ | 895.1 | | | $ | 938.1 | | | $ | 1,833.2 | | | | | | | | Capital Expenditures(2) | $ | 1,213.0 | | | $ | 2,508.9 | | | $ | 3,721.9 | | Assets | $ | 15,903.7 | | | $ | 18,126.7 | | | $ | 34,030.4 | |
(1)Other segment items consists of Loss (gain) on Sale or Impairment of Assets and other segment income or expenses deemed insignificant which are used to reach our measurement of segment profit or loss, Operating Income. (2)Amounts differ from those presented on the Statements of Consolidated Cash Flows primarily due to the inclusion of capital expenditures in current liabilities, the capitalized portion of the Corporate Incentive Plan payout, and AFUDC Equity. | | | | | | | | | | | | | | | | | | Year Ended December 31, 2024 (in millions) | | Columbia Operations | | NIPSCO Operations | | Total of Reportable Segments | | Operating Revenues | | | | | | External revenue | $ | 2,703.2 | | | $ | 2,751.0 | | | $ | 5,454.2 | | Intersegment revenue | 12.8 | | | 1.0 | | | 13.8 | | Total Operating Revenue | $ | 2,716.0 | | | $ | 2,752.0 | | | $ | 5,468.0 | | | | | | | | | | | | | | Cost of energy | 514.7 | | | 617.5 | | | 1,132.2 | | O&M | 837.5 | | | 761.4 | | | 1,598.9 | | | Depreciation | 409.1 | | | 590.3 | | | 999.4 | | Total other taxes | 218.6 | | | 64.3 | | | 282.9 | | Other segment items(1) | 7.4 | | | (1.3) | | | 6.1 | | Operating Income | $ | 728.7 | | | $ | 719.8 | | | $ | 1,448.5 | | | | | | | | Capital Expenditures(2) | $ | 1,209.0 | | | $ | 2,252.4 | | | $ | 3,461.4 | | Assets | $ | 14,769.5 | | | $ | 15,823.5 | | | $ | 30,593.0 | |
(1)Other segment items consists of Loss(gain) on Sale or Impairment of Assets and other segment income or expenses deemed insignificant which are used to reach our measurement of segment profit or loss, Operating Income. (2)Amounts differ from those presented on the Statements of Consolidated Cash Flows primarily due to the inclusion of capital expenditures in current liabilities, the capitalized portion of the Corporate Incentive Plan payout, and AFUDC Equity.
| | | | | | | | | | | | | | | | | | Year Ended December 31, 2023 (in millions) | | Columbia Operations | | NIPSCO Operations | | Total of Reportable Segments | | Operating Revenues | | | | | | External revenue | $ | 2,733.9 | | | $ | 2,770.7 | | | $ | 5,504.6 | | Intersegment revenue | 12.2 | | | 0.9 | | | 13.1 | | Total Operating Revenue | $ | 2,746.1 | | | $ | 2,771.6 | | | $ | 5,517.7 | | | | | | | | | | | | | | | | | | | | Cost of energy | 645.0 | | | 888.3 | | | 1,533.3 | | O&M | 792.3 | | | 787.7 | | | 1,580.0 | | | Depreciation | 371.7 | | | 493.8 | | | 865.5 | | Total other taxes | 198.8 | | | 57.9 | | | 256.7 | | Other segment items(1) | — | | | 2.2 | | | 2.2 | | Operating Income | $ | 738.3 | | | $ | 541.7 | | | $ | 1,280.0 | | | | | | | | Capital Expenditures(2) | $ | 1,159.6 | | | $ | 1,294.8 | | | $ | 2,454.4 | | | Assets | $ | 13,664.5 | | | $ | 13,962.6 | | | $ | 27,627.1 | |
(1)Other segment items consists of proceeds from a property insurance settlement related to the Greater Lawrence Incident and other segment income or expenses deemed insignificant which are used to reach our measurement of segment profit or loss, Operating Income.(2)Amounts differ from those presented on the Statements of Consolidated Cash Flows primarily due to the inclusion of capital expenditures in current liabilities, the capitalized portion of the Corporate Incentive Plan payout, and AFUDC Equity.
To reconcile the segment tables above to consolidated NiSource: | | | | | | | | | | | | | | | | | | | | | Year Ended December 31, 2025 (in millions) | | Total Reportable Segments | | Corporate and Other | | Eliminations | Consolidated NiSource | Total Operating Revenue | $ | 6,651.8 | | | $ | 600.1 | | | $ | (609.7) | | $ | 6,642.2 | | Operating Income | 1,833.2 | | | 2.1 | | | — | | 1,835.3 | | Capital Expenditures | 3,721.9 | | | 329.7 | | | — | | 4,051.6 | | Assets | 34,030.4 | | | 1,828.3 | | | — | | 35,858.7 | | | | | | | | | Year Ended December 31, 2024 (in millions) | | Total Reportable Segments | | Corporate and Other | | Eliminations | Consolidated NiSource | Total Operating Revenue | $ | 5,468.0 | | | $ | 581.9 | | | $ | (594.8) | | $ | 5,455.1 | | Operating Income | 1,448.5 | | | 7.0 | | | — | | 1,455.5 | | Capital Expenditures | 3,461.4 | | | 231.1 | | | — | | 3,692.5 | | Assets | 30,593.0 | | | 1,195.1 | | | — | | 31,788.1 | | | | | | | | | Year Ended December 31, 2023 (in millions) | | Total Reportable Segments | | Corporate and Other | | Eliminations | Consolidated NiSource | Total Operating Revenue | $ | 5,517.7 | | | $ | 504.6 | | | $ | (516.9) | | $ | 5,505.4 | | Operating Income | 1,280.0 | | | 15.5 | | | — | | 1,295.5 | | Capital Expenditures | 2,454.4 | | | 236.3 | | | — | | 2,690.7 | | Assets | 27,627.1 | | | 3,450.1 | | | — | | 31,077.2 | |
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