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Reportable Segments
 9 Months Ended
Sep. 30, 2024
Segment Reporting [Abstract]  
Reportable Segments Reportable Segments
The Registrants’ determination of reportable segments considers the strategic operating units under which the CODM manages sales, allocates resources and assesses performance of various products and services to wholesale or retail customers in differing regulatory environments. Each Registrant’s CODM views net income as the measure of profit or loss for the reportable segments.

As of September 30, 2024, reportable segments by Registrant were as follows:

CenterPoint Energy

•CenterPoint Energy’s Electric reportable segment consists of electric transmission and distribution services in the Texas gulf coast area in the ERCOT region and electric transmission and distribution services primarily to southwestern Indiana and includes power generation and wholesale power operations in the MISO region.

•CenterPoint Energy’s Natural Gas reportable segment consists of (i) intrastate natural gas sales to, and natural gas transportation and distribution for residential, commercial, industrial and institutional customers in Indiana, Louisiana, Minnesota, Mississippi, Ohio and Texas; and (ii) permanent pipeline connections through interconnects with various interstate and intrastate pipeline companies through CEIP.

•CenterPoint Energy’s Corporate and Other category consists of energy performance contracting and sustainable infrastructure services through Energy Systems Group through June 30, 2023, the date of the sale of Energy Systems
Group, and corporate operations which support all of the business operations of CenterPoint Energy. CenterPoint Energy’s Corporate and Other also includes office buildings and other real estate used for business operations.

Houston Electric

•Houston Electric’s single reportable segment consists of electric transmission services to transmission service customers in the ERCOT region and distribution services to REPs serving the Texas gulf coast area that includes the city of Houston.

CERC

•CERC’s single reportable segment following the Restructuring consisted of (i) intrastate natural gas sales to, and natural gas transportation and distribution for, residential, commercial, industrial and institutional customers in Indiana, Louisiana, Minnesota, Mississippi, Ohio and Texas; and (ii) permanent pipeline connections through interconnects with various interstate and intrastate pipeline companies through CEIP.

The following table provides financial data for CenterPoint Energy’s reportable segments. Each of Houston Electric and CERC consist of a single reportable segment; therefore, a tabular reportable segment presentation has not been included for Houston Electric or CERC.

CenterPoint Energy

Three Months Ended September 30,
20242023
Revenues from
External
Customers		Net Income (Loss)Revenues from
External
Customers
Net Income (Loss)
(in millions)
Electric$1,243 $226 $1,261 $290 
Natural Gas 611 30 597 27 
Corporate and Other2 (63)2 (35)
Consolidated$1,856 $193 $1,860 $282 

Nine Months Ended September 30,
20242023
Revenues from
External
Customers		Net Income (Loss)Revenues from
External
Customers
Net Income (Loss)
(in millions)
Electric$3,499 $562 $3,250 $593 
Natural Gas 2,876 360 3,136 296 
Corporate and Other6 (151)128 (164)
Consolidated$6,381 $771 $6,514 $725 

Total Assets
September 30, 2024December 31, 2023
(in millions)
Electric$23,458 $21,089 
Natural Gas 17,966 17,429 
Corporate and Other, net of eliminations (1)1,469 1,197 
Consolidated$42,893 $39,715 

(1)Total assets included pension and other postemployment-related regulatory assets of $368 million and $385 million as of September 30, 2024 and December 31, 2023, respectively.