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Property, Plant And Equipment (Tables) | 12 Months Ended
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Dec. 31, 2024
Property, Plant and Equipment [Abstract] |
Schedule Of Property, Plant And Equipment | Our property, plant and equipment on the Consolidated Balance Sheets are classified as follows:
At December 31, (in millions) | 2024 |  | 2023
Property, Plant and Equipment |  |  |
Gas Distribution Utility | $ | 20,007.2 |  |  | $ | 18,154.5 |
Electric Utility | 8,666.8 |  |  | 7,907.9 |
Corporate | 248.1 |  |  | 274.2 |
Construction Work in Process | 2,084.7 |  |  | 1,261.1 |
JV Renewable Generation Assets(1) | 1,434.2 |  |  | 1,434.4 |
Non-Utility and Other | 1,711.9 |  |  | 1,450.0 |
Total Property, Plant and Equipment | $ | 34,152.9 |  |  | $ | 30,482.1 |
Accumulated Depreciation and Amortization |  |  |
Gas Distribution Utility | $ | (4,166.8) |  |  | $ | (3,924.4) |
Electric Utility | (2,707.8) |  |  | (2,709.5) |
Corporate | (163.4) |  |  | (174.2) |
JV Renewable Generation Assets(1) | (110.4) |  |  | (64.5) |
Non-Utility and Other | (1,550.6) |  |  | (1,334.6) |
Total Accumulated Depreciation and Amortization | $ | (8,699.0) |  |  | $ | (8,207.2) |
Net Property, Plant and Equipment | $ | 25,453.9 |  |  | $ | 22,274.9 |
(1)These JV renewable generation assets owned and operated by JVs between NIPSCO and unrelated tax equity partners represent Non-Utility Property, are depreciated straight-line over 30 years and are part of our NIPSCO Operations segment. Refer to Note 4, "Noncontrolling Interests," for additional information.
Schedule Of Depreciation Provisions For Utility Plant As A Percentage Of The Original Cost | The weighted average depreciation provisions for utility plant, as a percentage of the original cost, for the periods ended December 31, 2024, 2023 and 2022 were as follows:
| 2024 |  | 2023 |  | 2022
NIPSCO Operations | 3.0 | % |  | 3.0 | % |  | 2.7 | %
Columbia Operations | 2.6 | % |  | 2.5 | % |  | 2.4 | %

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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