CenterPoint Energy, Inc. (CenterPoint Energy) operates as a public utility holding company. The company’s operating subsidiaries own and operate electric transmission, distribution and generation facilities and natural gas distribution systems.
As of December 31, 2024, CenterPoint Energy’s indirect, wholly-owned subsidiaries included:
Houston Electric (CenterPoint Energy Houston Electric, LLC and its subsidiaries), which provides electric transmission service to transmission service customers...
CenterPoint Energy, Inc. (CenterPoint Energy) operates as a public utility holding company. The company’s operating subsidiaries own and operate electric transmission, distribution and generation facilities and natural gas distribution systems.
As of December 31, 2024, CenterPoint Energy’s indirect, wholly-owned subsidiaries included:
Houston Electric (CenterPoint Energy Houston Electric, LLC and its subsidiaries), which provides electric transmission service to transmission service customers in the ERCOT region and distribution service to REPs serving the Texas Gulf Coast area that includes the city of Houston. Bond Company IV is a wholly-owned, bankruptcy-remote entity formed solely for the purpose of purchasing and owning transition property through the issuance of Securitization Bonds;
CERC Corp. (CenterPoint Energy Resources Corp.), which directly owns and operates natural gas distribution systems in Louisiana, Minnesota, Mississippi, and Texas, indirectly, through Indiana Gas and CEOH, owns and operates natural gas distribution systems in Indiana and Ohio, respectively, and owns and operates permanent pipeline connections through interconnects with various interstate and intrastate pipeline companies through CEIP; and
SIGECO (Southern Indiana Gas and Electric Company, a wholly-owned subsidiary of Vectren), which provides energy delivery services to electric and natural gas customers located in and near Evansville in southwestern Indiana and owns and operates electric generation assets to serve its electric customers and optimizes those assets in the wholesale power market.
Segments
As of December 31, 2024, CenterPoint Energy’s reportable segments were Electric, Natural Gas and Corporate and Other. Houston Electric and CERC Corp., together with its subsidiaries (CERC) each consist of one reportable segment.
Electric (CenterPoint Energy)
The Electric reportable segment is consisted of Houston Electric and Indiana Electric. CenterPoint Energy’s Electric reportable segment consisted 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 r segment included intrastate natural gas sales to, and natural gas transportation and distribution for residential, commercial and industrial customers in Indiana, Louisiana, Minnesota, Mississippi, Ohio and Texas; and permanent pipeline connections through interconnects with various interstate and intrastate pipeline companies through CenterPoint Energy Intrastate Pipelines, LLC, a wholly-owned subsidiary of CERC Corp. (CEIP).
Houston Electric (CenterPoint Energy and Houston Electric)
Houston Electric is a transmission and distribution electric utility that operates wholly within the state of Texas. Houston Electric does not make direct retail or wholesale sales of electric energy or own or operate any power generating facilities other than leased temporary emergency electric energy facilities (TEEEF). Houston Electric’s revenues from major external customers include affiliates of NRG (NRG Energy, Inc.); and Affiliates of Vistra Energy Corp. Houston Electric’s single reportable segment consisted of electric transmission services to transmission service customers in the ERCOT region and distribution service to REPs in the Texas Gulf Coast area that includes the city of Houston.
Electric Transmission
On behalf of REPs, Houston Electric delivers electricity from power plants to substations, from one substation to another and to retail electric customers taking power at or above 69 kV in locations throughout Houston Electric’s certificated service territory. Houston Electric constructs and maintains transmission facilities and provides transmission services under tariffs approved by the PUCT.
Electric Distribution
Houston Electric’s distribution network receives electricity from the transmission grid through power distribution substations and delivers electricity for REPs in its certificated service area by carrying lower-voltage power from the substation to the retail electric customer through distribution feeders. Houston Electric’s operations include construction and maintenance of distribution facilities, metering services, outage response services and call center operations. Houston Electric provides distribution services under tariffs approved by the Public Utility Commission of Texas (PUCT). PUCT rules and market protocols govern the commercial operations of distribution companies and other market participants. Rates for these services are established pursuant to rate proceedings conducted before municipalities that have original jurisdiction and the PUCT.
Bond Companies
Houston Electric has special purpose subsidiaries consisting of the Bond Companies, which it consolidates. These consolidated special purpose subsidiaries are wholly-owned, bankruptcy-remote entities that were formed solely for the purpose of purchasing and owning transition or system restoration property through the issuance of Securitization Bonds, and conducting activities incidental thereto. The Securitization Bonds issued by Bond Company IV were repaid through charges imposed on customers in Houston Electric’s service territory.
Customers
Houston Electric serves nearly all of the Houston/Galveston metropolitan area near the Texas Gulf Coast. Houston Electric’s customers consist of REPs, which sell electricity to metered customers in Houston Electric’s certificated service area, and municipalities, electric cooperatives and other distribution companies located outside Houston Electric’s certificated service area. Each REP is licensed by, and must meet minimum creditworthiness criteria established by, the PUCT. Houston Electric does not have long-term contracts with any of its customers, but rather operates using a continuous billing cycle, with meter readings being conducted and invoices being distributed to REPs each business day.
Seasonality
Houston Electric’s revenues are primarily derived from rates that it collects from each REP based on the amount of electricity it delivers on behalf of that Retail electric provider (REP). Houston Electric’s revenues and results of operations are subject to seasonality, weather conditions and other changes in electricity usage, with revenues generally being higher during the warmer months when more electricity is used for cooling purposes.
Franchises
Houston Electric holds non-exclusive franchises from certain incorporated municipalities in its service territory. In exchange for the payment of fees, these franchises give Houston Electric the right to use the streets and public rights-of-way of these municipalities to construct, operate and maintain its transmission and distribution system and to use that system to conduct its electric delivery business and for other purposes that the franchises permit.
Indiana Electric (CenterPoint Energy)
Indiana Electric consists of SIGECO’s electric transmission and distribution services, including its electric generation assets and wholesale power operations.
Coal Purchases
Coal for coal-fired generating stations has been supplied from operators of nearby coal mines as there are substantial coal reserves in the southern Indiana area. Major suppliers are those that account for greater than 10% of Indiana Electric’s coal purchases. For the year ended December 31, 2024, Sunrise LLC accounted for 88% of Indiana Electric’s coal purchases, with the remaining 12% being purchased from other suppliers.
MISO-Related Activity
Indiana Electric is a member of the Midcontinent Independent System Operator (MISO), a Federal Energy Regulatory Commission (FERC)-approved regional transmission organization. The MISO serves the electric transmission needs of much of the Midcontinent region and maintains operational control over Indiana Electric’s electric transmission facilities and generation facilities, as well as other utilities in the region. Indiana Electric is an active participant in the MISO energy markets, bidding its owned generation into the Day Ahead and Real Time markets and procuring power for its retail customers at Locational Marginal Pricing as determined by the MISO market.
Interconnections
As of December 31, 2024, Indiana Electric had interconnections with Louisville Gas and Electric Company, Duke Energy Shared Services, Inc., Indianapolis Power & Light Company, Hoosier Energy Rural Electric Cooperative, Inc. and Big Rivers Electric Corporation providing the ability to simultaneously interchange approximately 645 MW during peak load periods. Indiana Electric, as required as a member of the MISO, has turned over operational control of the interchange facilities and its own transmission assets to the MISO. Indiana Electric, in conjunction with the MISO, must operate the bulk electric transmission system in accordance with NERC Reliability Standards. As a result, interchange capability varies based on regional transmission system configuration, generation dispatch, seasonal facility ratings and other factors. Indiana Electric is in compliance with reliability standards promulgated by the North American Electric Reliability Corporation (NERC).
SIGECO Securitization Subsidiary
SIGECO has a special purpose subsidiary, SIGECO Securitization Subsidiary, which it consolidates. he obligations of the SIGECO Securitization Bonds are repaid through charges imposed on customers in Indiana Electric’s service territory.
Seasonality
Indiana Electric’s revenues are primarily derived from rates that it collects from customers in its service territory based on the amount of electricity it delivers. Indiana Electric’s revenues and results of operations are subject to seasonality, weather conditions and other changes in electricity usage, with revenues generally being higher during the warmer months when more electricity is used for cooling purposes, and during the cooler months when more electricity is used for heating purposes.
Natural Gas (CenterPoint Energy and CERC)
CenterPoint Energy’s and CERC’s Natural Gas engage in regulated intrastate natural gas sales to, and natural gas transportation and storage for, residential, commercial, industrial and transportation customers. CenterPoint Energy’s and CERC’s Natural Gas provide permanent pipeline connections through interconnects with various interstate and intrastate pipeline companies through the CenterPoint Energy Intrastate Pipelines, LLC, a wholly-owned subsidiary of CERC Corp (CEIP). CenterPoint Energy’s and CERC’s Natural Gas also provided services in Minnesota consisting of residential appliance repair and maintenance services along with HVAC equipment sales and home repair protection plans to natural gas customers in Indiana, Mississippi, Ohio and Texas through a third party as of December 31, 2024.
Seasonality
In 2024, approximately 64% and 65% of CenterPoint Energy’s and CERC’s Natural Gas total throughput occurred in the first and fourth quarters (year ended December 31, 2024), respectively. These patterns reflect the higher demand for natural gas for heating purposes during the colder months.
Supply and Transportation
In 2024, CenterPoint Energy’s Natural Gas purchased virtually all of its natural gas supply pursuant to contracts with remaining terms varying from a few months to three years. Major suppliers are those that account for greater than 10% of CenterPoint Energy’s or CERC’s annual natural gas supply purchases. Major suppliers of natural gas for the year ended December 31, 2024, included Tenaska Marketing Ventures, LLC; BP Energy Company; and Macquarie Energy, LLC.
CenterPoint Energy’s and CERC’s Natural Gas transports their natural gas supplies through various intrastate and interstate pipelines under contracts with remaining terms, including extensions, varying from one to fifteen years. CenterPoint Energy’s and CERC’s Natural Gas anticipates that these gas supply and transportation contracts will be renewed or replaced prior to their expiration.
CenterPoint Energy’s and CERC’s Natural Gas businesses continue to utilize AMAs associated with their utility distribution service in Indiana, Louisiana, Minnesota, Mississippi and Texas. Generally, AMAs are contracts between CenterPoint Energy’s and CERC’s Natural Gas and an asset manager that are intended to transfer the working capital obligation and maximize the utilization of the assets. In these agreements, CenterPoint Energy’s and CERC’s Natural Gas agrees to release transportation and storage capacity to other parties to manage natural gas storage, supply and delivery arrangements for CenterPoint Energy’s and CERC’s Natural Gas and to use the released capacity for other purposes when it is not needed for CenterPoint Energy’s and CERC’s Natural Gas. CenterPoint Energy’s and CERC’s Natural Gas may receive compensation from the asset manager through payments made over the life of the AMAs. CenterPoint Energy’s and CERC’s Natural Gas has an obligation to purchase their winter storage requirements that have been released to the asset manager under these AMAs.
Corporate and Other (CenterPoint Energy)
CenterPoint Energy’s Corporate and Other consists of corporate support operations that support CenterPoint Energy’s business operations and includes office buildings and other real estate used for business operations. CenterPoint Energy’s Corporate and Other also consisted of energy performance contracting and sustainable infrastructure services by Energy Systems Group through June 30, 2023, the date of the sale of Energy Systems Group.
Electric (CenterPoint Energy and Houston Electric)
Properties
All of Houston Electric’s properties are located in Texas. Its properties consist primarily of high-voltage electric transmission lines and poles, distribution lines, substations, service centers, service wires, telecommunications networks and meters. Most of Houston Electric’s transmission and distribution lines have been constructed over lands of others pursuant to easements or along public highways and streets under franchise agreements and as permitted by law.
All real and tangible properties of Houston Electric, subject to certain exclusions, are subject to the lien of the M&DOT and the lien of the General Mortgage, which is junior to the lien of the M&DOT.
Indiana Electric’s properties are primarily located in Indiana. They consist of transmission lines in Indiana and Kentucky, distribution lines, substations, service centers, coal-fired generating facilities, gas-fired turbine peaking units, a landfill gas electric generation project and solar generation facilities.
All real and tangible properties of Indiana Electric, subject to certain exclusions, are subject to the lien of the Amended and Restated Mortgage Indenture dated as of January 1, 2023, between SIGECO (Indiana Electric) and Deutsche Bank Trust Company Americas (formerly known as Bankers Trust Company), as Trustee.
Natural Gas Combustion Turbines: In 2022, Indiana Electric received approval from the Indiana Utility Regulatory Commission (IURC) for a CPCN seeking approval to construct two natural gas combustion turbines to replace portions of its existing coal-fired generation fleet. The turbines are targeted to be operational by mid-year 2025.
Solar: Indiana Electric entered into an amended and restated BTA to build a 191 MW solar array in Posey County, Indiana, and a Build Transfer Agreement (BTA) to acquire a 130 MW solar array in Pike County, Indiana through a special purpose entity for a capped purchase price.
Temporary Generation: As of December 31, 2024, Houston Electric leased 505 MW of TEEEF.
Natural Gas (CenterPoint Energy and CERC)
CenterPoint Energy’s and CERC’s Natural Gas use various third-party storage services or owned natural gas storage facilities to meet peak-day requirements and to manage the daily changes in demand due to changes in weather. CenterPoint Energy’s and CERC’s Natural Gas may also supplement contracted supplies and storage from time to time with stored LNG and propane-air plant production.
CenterPoint Energy’s and CERC’s Natural Gas owned mains varying in size from one-half inch to 24 inches in diameter. CenterPoint Energy’s and CERC’s Natural Gas Indiana and Ohio mains are located in Indiana and Ohio except for, in the case of CenterPoint Energy, pipeline facilities extending from points in northern Kentucky to points in southern Indiana so that gas may be transported to Indiana and sold or transported to customers in Indiana. Generally, in each of the cities, towns and rural areas served by CenterPoint Energy’s and CERC’s Natural Gas, they own the underground gas mains and service lines, metering and regulating equipment located on customers’ premises and the district regulating equipment necessary for pressure maintenance. With a few exceptions, the measuring stations at which CenterPoint Energy’s and CERC’s Natural Gas receive gas are owned, operated and maintained by others, and their distribution facilities begin at the outlet of the measuring equipment. These facilities, including odorizing equipment, are usually located on land owned by suppliers. As of December 31, 2024, CenterPoint Energy and CERC, through CEIP, owned and operated over 219 miles of intrastate pipeline in Louisiana and Texas.
Regulation
As a public utility holding company, under the Public Utility Holding Company Act of 2005, CenterPoint Energy and its consolidated subsidiaries are subject to reporting and accounting requirements and are required to maintain certain books and records and make them available for review by FERC and state regulatory authorities in certain circumstances. Indiana Electric is a public utility under the Federal Power Act (FPA) and is subject to regulation by FERC.
Houston Electric conducts its operations pursuant to a CCN issued by the PUCT that covers its present service area and facilities. FERC has certain responsibilities with respect to ensuring the reliability of electric transmission service, including transmission facilities owned by Houston Electric and other utilities within the Electric Reliability Council of Texas (ERCOT). FERC has designated NERC as the Electric Reliability Organization (ERO) to promulgate standards, under FERC oversight, for all owners, operators and users of the bulk power system.
Indiana Electric is a member of the MISO, a FERC-approved regional transmission organization. The MISO serves the electrical transmission needs of much of the Midcontinent region and maintains operational control over Indiana Electric’s electric transmission and generation facilities, as well as those of other utilities in the region. Indiana Electric is an active participant in the MISO energy markets, bidding its owned generation into the Day Ahead and Real Time markets and procuring power for its retail customers at Locational Marginal Pricing as determined by the MISO market. MISO-related purchase and sale transactions are recorded using settlement information provided by the MISO. These purchase and sale transactions are accounted for on at least a net hourly position. Houston Electric is a member of ERCOT, which serves as the independent system operator and regional reliability coordinator for member electric power systems in most of Texas. Houston Electric conducts its operations pursuant to a Certificate of Convenience and Necessity (CCN) issued by the PUCT that covers its present service area and facilities.
Indiana Electric also receives transmission revenue that results from other members’ use of Indiana Electric’s transmission system. Generally, these transmission revenues, along with costs charged by the MISO, are considered components of base rates and any variance from that included in base rates is recovered from or refunded to retail customers through tracking mechanisms.
The generation facilities owned and operated by Indiana Electric are subject to various environmental regulations enforced by the Environmental Protection Agency (EPA) and the Indiana Department of Environmental Management (IDEM). Operations of Indiana Electric’s generation facilities are subject to regulation by the EPA and the IDEM as it pertains to the discharge of constituents from the generation facilities. CenterPoint Energy and CERC are subject to regulation by Pipeline and Hazardous Materials Safety Administration (PHMSA) under the Natural Gas Pipeline Safety Act of 1968 (NGPSA) and the Hazardous Liquid Pipeline Safety Act of 1979 (HLPSA).
Environmental Matters
The company’s operations are subject to the federal Clean Air Act and comparable state laws and regulations. The company’s operations are subject to the Federal Water Pollution Control Act of 1972, as amended, also known as the Clean Water Act, and analogous state laws and regulations. These laws and regulations impose detailed requirements and strict controls regarding the discharge of pollutants into waters of the United States.
The company’s operations generate wastes, including some hazardous wastes, that are subject to the federal Resource Conservation and Recovery Act of 1976 (RCRA), and comparable state laws, which impose detailed requirements for the handling, storage, treatment, transport and disposal of hazardous and solid waste. RCRA exempts many natural gas gathering and field processing wastes from classification as hazardous waste.
Indiana Electric has three ash ponds, two at the F.B. Culley facility (Culley East and Culley West) and one at the A.B. Brown facility. In 2015, the EPA finalized its CCR Rule, which regulates coal ash as non-hazardous material under the RCRA.
History
CenterPoint Energy, Inc. was founded in 1866. The company was incorporated in 2001.
