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Reportable Segments (Tables) | 12 Months Ended
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Dec. 31, 2024
Segment Reporting [Abstract] |
Schedule of Financial Data for Business Segments | Financial data for reportable segments is as follows: CenterPoint Energy
| Year Ended December 31, 2024
| Electric |  | Natural Gas |  | Corporate and Other |  |  |  | Total Reportable Segments |  | Eliminations |  | Total
| (in millions)
Revenues from external customers | $ | 4,590 |  |  | $ | 4,048 |  |  | $ | 5 |  |  |  |  | $ | 8,643 |  |  | $ | — |  |  | $ | 8,643 |
Intersegment revenues | — |  |  | 2 |  |  | — |  |  |  |  | 2 |  |  | (2) |  |  | — |
Utility natural gas, fuel and purchased power | 198 |  |  | 1,520 |  |  | (1) |  |  |  |  | 1,717 |  |  | (2) |  |  | 1,715 |
Non-utility cost of revenues, including natural gas | — |  |  | 3 |  |  | — |  |  |  |  | 3 |  |  | — |  |  | 3 |
Operation and maintenance expenses | 2,072 |  |  | 881 |  |  | (4) |  |  |  |  | 2,949 |  |  | — |  |  | 2,949 |
Depreciation and amortization | 877 |  |  | 542 |  |  | 20 |  |  |  |  | 1,439 |  |  | — |  |  | 1,439 |
Taxes other than income taxes | 304 |  | 237 |  |  | 6 |  |  |  |  | 547 |  |  | — |  |  | 547 |
Interest expense | 372 |  | 207 |  | 286 |  |  |  | 865 |  |  | (27) |  |  | 838 |
Income tax expense (benefit) | 157 |  |  | 108 |  |  | (70) |  |  |  |  | 195 |  |  | — |  |  | 195 |
Interest income (1) | (18) |  |  | (2) |  |  | (14) |  |  |  |  | (34) |  |  | 27 |  |  | (7) |
Other income, net (2) | (43) |  |  | (12) |  |  | — |  |  |  |  | (55) |  |  | — |  |  | (55) |
Net income (loss) | $ | 671 |  |  | $ | 566 |  |  | $ | (218) |  |  |  |  | $ | 1,019 |  |  | $ | — |  |  | $ | 1,019 |
| Year Ended December 31, 2023
| Electric |  | Natural Gas |  | Corporate and Other |  | Total Reportable Segments |  | Eliminations |  | Total
| (in millions)
Revenues from external customers | $ | 4,290 |  |  | $ | 4,276 |  |  | $ | 130 |  |  | $ | 8,696 |  |  | $ | — |  |  | $ | 8,696 |
Intersegment revenues | — |  |  | 3 |  |  | — |  |  | 3 |  |  | (3) |  |  | — |
Utility natural gas, fuel and purchased power | 176 |  |  | 1,888 |  |  | — |  |  | 2,064 |  |  | (3) |  |  | 2,061 |
Non-utility cost of revenues, including natural gas | — |  |  | 3 |  |  | 96 |  |  | 99 |  |  | — |  |  | 99 |
Operation and maintenance expenses | 1,880 |  |  | 949 |  |  | 21 |  |  | 2,850 |  |  | — |  |  | 2,850 |
Depreciation and amortization | 872 |  |  | 513 |  |  | 16 |  |  | 1,401 |  |  | — |  |  | 1,401 |
Taxes other than income taxes | 272 |  |  | 245 |  |  | 8 |  |  | 525 |  |  | — |  |  | 525 |
Interest expense | 303 |  | 188 |  | 264 |  | 755 |  |  | (54) |  |  | 701 |
Income tax expense (benefit) | 189 |  |  | (25) |  |  | 6 |  |  | 170 |  |  | — |  |  | 170 |
Interest income (1) | (19) |  |  | (10) |  |  | (34) |  |  | (63) |  |  | 54 |  |  | (9) |
Other expense (income), net (2) | (37) |  |  | (5) |  |  | 23 |  |  | (19) |  |  | — |  |  | (19) |
Net income (loss) | $ | 654 |  |  | $ | 533 |  |  | $ | (270) |  |  | $ | 917 |  |  | $ | — |  |  | $ | 917 |
| Year Ended December 31, 2022
| Electric |  | Natural Gas |  | Corporate and Other |  | Total Reportable Segments |  | Eliminations |  | Total
| (in millions)
Revenues from external customers | $ | 4,108 |  |  | $ | 4,946 |  |  | $ | 267 |  |  | $ | 9,321 |  |  | $ | — |  |  | $ | 9,321 |
Utility natural gas, fuel and purchased power | 222 |  |  | 2,665 |  |  | — |  |  | 2,887 |  |  | — |  |  | 2,887 |
Non-utility cost of revenues, including natural gas | — |  |  | 4 |  |  | 200 |  |  | 204 |  |  | — |  |  | 204 |
Operation and maintenance expenses | 1,864 |  |  | 919 |  |  | 50 |  |  | 2,833 |  |  | — |  |  | 2,833 |
Depreciation and amortization | 793 |  |  | 466 |  |  | 29 |  |  | 1,288 |  |  | — |  |  | 1,288 |
Taxes other than income taxes | 275 |  |  | 261 |  |  | 7 |  |  | 543 |  |  | — |  |  | 543 |
Interest expense | 235 |  |  | 137 |  |  | 214 |  |  | 586 |  |  | (62) |  |  | 524 |
Income tax expense (benefit) | 147 |  |  | 243 |  |  | (30) |  |  | 360 |  |  | — |  |  | 360 |
Interest income (1) | (4) |  |  | (2) |  |  | (60) |  |  | (66) |  |  | 62 |  |  | (4) |
Other income, net (2) | (27) |  |  | (239) |  |  | (105) |  |  | (371) |  |  | — |  |  | (371) |
Net income (loss) | $ | 603 |  |  | $ | 492 |  |  | $ | (38) |  |  | $ | 1,057 |  |  | $ | — |  |  | $ | 1,057 |
(1) Interest income from Securitization Bonds of $3 million, $4 million, and less than $1 million for the years ended December 31, 2024, 2023 and 2022, respectively, is included in Other income (expense), net on CenterPoint Energy’s Statements of Consolidated Income. (2) Other income (expense), net primarily includes AFUDC equity, non-service cost for pension and postretirement benefits, Gain (loss) on equity securities, Gain (loss) on indexed debt securities and Gain (loss) on sale.
| Total Assets |  | Expenditures for Long-lived Assets
| As of December 31, |  | Year Ended December 31,
| 2024 |  | 2023 |  | 2024 |  | 2023 |  | 2022
| (in millions)
Electric | $ | 23,936 |  |  | $ | 21,089 |  |  | $ | 3,099 |  |  | $ | 2,660 |  |  | $ | 2,611 |
Natural Gas | 18,583 |  |  | 17,429 |  |  | 1,524 |  |  | 1,697 |  |  | 1,697 |
Corporate and Other, net of eliminations (1) | 1,249 |  |  | 1,197 |  |  | 26 |  |  | 13 |  |  | 107 |
Continuing Operations | 43,768 |  |  | 39,715 |  |  | 4,649 |  |  | 4,370 |  |  | 4,415 |
Divestitures (2) | — |  |  | — |  |  | — |  |  | — |  |  | 3 |
Consolidated | $ | 43,768 |  |  | $ | 39,715 |  |  | $ | 4,649 |  |  | $ | 4,370 |  |  | $ | 4,418 |
(1)Total assets included pension and other postemployment-related regulatory assets of $384 million and $385 million as of December 31, 2024 and 2023, respectively. (2)For further information regarding CenterPoint Energy’s and CERC’s divestitures, see Note 4. Financial data related to interest income and expenditures for long-lived assets is as follows:
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
| (in millions)
Interest income (1) | $ | 16 |  |  | $ | 14 |  |  | $ | 3 |
Expenditures for long-lived assets | 2,738 |  |  | 2,309 |  |  | 2,302 |
(1)Reflected in Other income (expense), net on Houston Electric’s Statements of Consolidated Income. Financial data related to interest income and expenditures for long-lived assets is as follows:
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
| (in millions)
Interest income (1) | $ | 2 |  |  | $ | 10 |  |  | $ | 3 |
Expenditures for long-lived assets | 1,485 |  |  | 1,568 |  |  | 1,616 |
(1)Reflected in Other income (expense), net on CERC’s Statements of Consolidated Income.
Schedule of Revenue by Major Customers by Reporting Segments | Houston Electric’s revenues from major external customers are as follows:
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
| (in millions)
Affiliates of NRG | $ | 1,169 |  |  | $ | 1,106 |  |  | $ | 1,046 |
Affiliates of Vistra Energy Corp. | 605 |  |  | 539 |  |  | 489 |
Schedule of Revenues by Products and Services | Revenues by Products and Services
|  | Year Ended December 31,
|  | 2024 |  | 2023 |  | 2022
|  | CenterPoint Energy |  | Houston Electric |  | CERC |  | CenterPoint Energy |  | Houston Electric |  | CERC |  | CenterPoint Energy |  | Houston Electric |  | CERC
|  | (in millions)
Electric delivery |  | $ | 3,963 |  |  | $ | 3,939 |  |  | $ | — |  |  | $ | 3,701 |  |  | $ | 3,677 |  |  | $ | — |  |  | $ | 3,438 |  |  | $ | 3,412 |  |  | $ | — |
Retail electric sales |  | 622 |  |  | — |  |  | — |  |  | 569 |  |  | — |  |  | — |  |  | 630 |  |  | — |  |  | — |
Wholesale electric sales |  | 4 |  |  | — |  |  | — |  |  | 20 |  |  | — |  |  | — |  |  | 40 |  |  | — |  |  | — |
Retail gas sales |  | 3,837 |  |  | — |  |  | 3,716 |  |  | 4,078 |  |  | — |  |  | 3,951 |  |  | 4,759 |  |  | — |  |  | 4,613 |
Gas transportation |  | 11 |  |  | — |  |  | 11 |  |  | 11 |  |  | — |  |  | 11 |  |  | 12 |  |  | — |  |  | 12 |
Energy products and services |  | 206 |  |  | — |  |  | 198 |  |  | 317 |  |  | — |  |  | 187 |  |  | 442 |  |  | — |  |  | 175 |
Total |  | $ | 8,643 |  |  | $ | 3,939 |  |  | $ | 3,925 |  |  | $ | 8,696 |  |  | $ | 3,677 |  |  | $ | 4,149 |  |  | $ | 9,321 |  |  | $ | 3,412 |  |  | $ | 4,800 |

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- Definition Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-40 + Details
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- Definition Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer. + References No definition available. + Details
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