Subsequent Events	9 Months Ended
Sep. 30, 2025
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events Debt Issuance (CenterPoint Energy) On October 1, 2025, SIGECO closed on the remaining of the offering of $145 million aggregate principal amount of the Series 2025C Bonds. The proceeds of the 2025C Bonds were used for general corporate purposes, including repaying short-term debt, refunding long-term debt at maturity or otherwise, and funding capital expenditures. Tender Offers (CenterPoint Energy and Houston Electric) In September 2025, CenterPoint Energy commenced cash tender offers for up to (i) $300 million aggregate purchase price of certain of CenterPoint Energy’s outstanding senior notes, ranging from 2.65% to 3.70% due 2030 to 2049, and (ii) $200 million aggregate purchase price of certain of Houston Electric’s general mortgage bonds, ranging from 4.25% to 4.50% due 2044 to 2049. In October 2025, CenterPoint Energy accepted for purchase and paid approximately $504 million in connection with the settlement of the tender offers. Upon completion of the tender offers, CenterPoint Energy cancelled approximately $329 million aggregate principal amount of its senior notes and Houston Electric cancelled approximately $234 million aggregate principal amount of its general mortgage bonds pursuant to the terms of the respective indentures governing such securities, which are reflected in Current portion of other long-term debt on the CenterPoint Energy and Houston Electric Consolidated Balance Sheets. CenterPoint Energy expects to recognize a gain on early extinguishment of debt of approximately $25 million, which will be recognized in Interest income and other finance charges on its Statement of Consolidated Income in the fourth quarter of 2025. Houston Electric expects to recognize a gain on early extinguishment of debt of approximately $24 million, which will be deferred and recognized as a reduction within Regulatory assets on its Consolidated Balance Sheet in the fourth quarter of 2025. Junior Subordinated Notes (CenterPoint Energy) In October 2025, CenterPoint Energy issued $700 million aggregate principal amount of 5.950% Fixed-to-Fixed Reset Rate Junior Subordinated Notes, Series D, due 2056 (the “Series D Notes”). Interest on the Series D Notes accrues from October 2, 2025 and is payable semiannually in arrears on April 1 and October 1 of each year, beginning on April 1, 2026, and maturing on April 1, 2056. The Series D Notes bear interest (i) from and including October 2, 2025 to, but excluding, April 1, 2031 at the rate of 5.950% per annum and (ii) from and including April 1, 2031, during each five-year period following April 1, 2031 (each such five-year period, a “Series D Interest Reset Period”), at a rate per annum equal to the Five-Year Treasury Rate (as defined in the Junior Subordinated Notes Indenture) as of two business days prior to the beginning of the applicable Series D Interest Reset Period plus a spread of 2.223%, with such rate per annum to be reset on each five-year anniversary of April 1, 2031; provided that the interest rate during any Series D Interest Reset Period will not reset below 5.950% per annum (which is the same interest rate as in effect from and including the original issue date to, but excluding, April 1, 2031). So long as no event of default (as defined in the prospectus supplement relating to the offering of the Series D Notes) with respect to the Series D Notes has occurred and is continuing, CenterPoint Energy may, at its option, defer interest payments on the Series D Notes, from time to time, for one or more deferral periods of up to 20 consecutive semiannual interest payment periods, except that no such optional deferral period (as defined in the prospectus supplement relating to the offering of the Series D Notes) may extend beyond the final maturity date of the Series D Notes or end on a day other than the day immediately preceding an interest payment date. During any optional deferral period, CenterPoint Energy (and its majority-owned subsidiaries, as applicable) will not (subject to certain exceptions as described in the Junior Subordinated Notes Indenture): (i) declare or pay any dividends or distributions on any of CenterPoint Energy’s capital stock; (ii) redeem, purchase, acquire or make a liquidation payment with respect to any of CenterPoint Energy’s capital stock; (iii) pay any principal, interest (to the extent such interest is deferrable) or premium on, or repay, repurchase or redeem any of CenterPoint Energy’s indebtedness that ranks equally with or junior to the Series D Notes in right of payment (including debt securities of other series, such as the other series of the Junior Subordinated Notes outstanding); or (iv) make any payments with respect to any guarantees by CenterPoint Energy of any indebtedness if such guarantees rank equally with or junior to the Series D Notes in right of payment. The Series D Notes are CenterPoint Energy’s unsecured obligations and rank junior and subordinate in right of payment to the prior payment in full of CenterPoint Energy’s existing and future Senior Indebtedness (as defined in the Junior Subordinated Notes Indenture). Total proceeds for the sale of the Series D Notes, net of issuance costs and transaction expenses and fees, were approximately $691 million, which were used for general corporate purposes, including the repayment of a portion of CenterPoint Energy’s outstanding commercial paper. Proposed Divestiture of Ohio Natural Gas LDC Business (CenterPoint Energy and CERC) On October 20, 2025, CERC Corp. entered into the Ohio Securities Purchase Agreement to sell all of the issued and outstanding equity interests in CEOH to NFGC. The purchase price is $2.62 billion, subject to adjustment as set forth in the Ohio Securities Purchase Agreement. The purchase price is comprised of the following: (i) $1.42 billion in cash payable to CERC Corp. upon closing of the proposed transaction, subject to adjustments as set forth in the Ohio Securities Purchase Agreement, including adjustments based on net working capital, regulatory assets and liabilities and capital expenditures at closing of the proposed transaction; and (ii) a 364-day seller promissory note, in the original principal amount of $1.2 billion, to be issued by NFGC at the closing of the proposed transaction and payable to CERC Corp. as provided by the terms and conditions of the Seller Note Agreement. The completion of the proposed transaction is subject to customary closing conditions, including (i) the expiration or termination of the applicable waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended; (ii) completion of a notice filing and review with the PUCO; and (iii) customary conditions regarding the accuracy of the representations and warranties and compliance by the parties with their respective obligations under the Ohio Securities Purchase Agreement. The proposed transaction is not subject to a financing condition, will not close prior to October 1, 2026 without the consent of CERC Corp., and is expected to close in the fourth quarter of 2026, subject to satisfaction of the foregoing conditions. The proposed transaction did not qualify as held for sale as of September 30, 2025.

In September 2025, CenterPoint Energy commenced cash tender offers for up to (i) $300 million aggregate purchase price of certain of CenterPoint Energy’s outstanding senior notes, ranging from 2.65% to 3.70% due 2030 to 2049, and (ii) $200 million aggregate purchase price of certain of Houston Electric’s general mortgage bonds, ranging from 4.25% to 4.50% due 2044 to 2049. In October 2025, CenterPoint Energy accepted for purchase and paid approximately $504 million in connection with the settlement of the tender offers. Upon completion of the tender offers, CenterPoint Energy cancelled approximately $329 million aggregate principal amount of its senior notes and Houston Electric cancelled approximately $234 million aggregate principal amount of its general mortgage bonds pursuant to the terms of the respective indentures governing such securities, which are reflected in Current portion of other long-term debt on the CenterPoint Energy and Houston Electric Consolidated Balance Sheets. CenterPoint Energy expects to recognize a gain on early extinguishment of debt

of approximately $25 million, which will be recognized in Interest income and other finance charges on its Statement of Consolidated Income in the fourth quarter of 2025. Houston Electric expects to recognize a gain on early extinguishment of debt of approximately $24 million, which will be deferred and recognized as a reduction within Regulatory assets on its Consolidated Balance Sheet in the fourth quarter of 2025.

In October 2025, CenterPoint Energy issued $700 million aggregate principal amount of 5.950% Fixed-to-Fixed Reset Rate Junior Subordinated Notes, Series D, due 2056 (the “Series D Notes”). Interest on the Series D Notes accrues from October 2, 2025 and is payable semiannually in arrears on April 1 and October 1 of each year, beginning on April 1, 2026, and maturing on April 1, 2056. The Series D Notes bear interest (i) from and including October 2, 2025 to, but excluding, April 1, 2031 at the rate of 5.950% per annum and (ii) from and including April 1, 2031, during each five-year period following April 1, 2031 (each such five-year period, a “Series D Interest Reset Period”), at a rate per annum equal to the Five-Year Treasury Rate (as defined in the Junior Subordinated Notes Indenture) as of two business days prior to the beginning of the applicable Series D Interest Reset Period plus a spread of 2.223%, with such rate per annum to be reset on each five-year anniversary of April 1, 2031; provided that the interest rate during any Series D Interest Reset Period will not reset below 5.950% per annum (which is the same interest rate as in effect from and including the original issue date to, but excluding, April 1, 2031). So long as no event of default (as defined in the prospectus supplement relating to the offering of the Series D Notes) with respect to the Series D Notes has occurred and is continuing, CenterPoint Energy may, at its option, defer interest payments on the Series D Notes, from time to time, for one or more deferral periods of up to 20 consecutive semiannual interest payment periods, except that no such optional deferral period (as defined in the prospectus supplement relating to the offering of the Series D Notes) may extend beyond the final maturity date of the Series D Notes or end on a day other than the day immediately preceding an interest payment date.

During any optional deferral period, CenterPoint Energy (and its majority-owned subsidiaries, as applicable) will not (subject to certain exceptions as described in the Junior Subordinated Notes Indenture): (i) declare or pay any dividends or distributions on any of CenterPoint Energy’s capital stock; (ii) redeem, purchase, acquire or make a liquidation payment with respect to any of CenterPoint Energy’s capital stock; (iii) pay any principal, interest (to the extent such interest is deferrable) or premium on, or repay, repurchase or redeem any of CenterPoint Energy’s indebtedness that ranks equally with or junior to the Series D Notes in right of payment (including debt securities of other series, such as the other series of the Junior Subordinated Notes outstanding); or (iv) make any payments with respect to any guarantees by CenterPoint Energy of any indebtedness if such guarantees rank equally with or junior to the Series D Notes in right of payment.

The Series D Notes are CenterPoint Energy’s unsecured obligations and rank junior and subordinate in right of payment to the prior payment in full of CenterPoint Energy’s existing and future Senior Indebtedness (as defined in the Junior Subordinated Notes Indenture). Total proceeds for the sale of the Series D Notes, net of issuance costs and transaction expenses and fees, were approximately $691 million, which were used for general corporate purposes, including the repayment of a portion of CenterPoint Energy’s outstanding commercial paper.

On October 20, 2025, CERC Corp. entered into the Ohio Securities Purchase Agreement to sell all of the issued and outstanding equity interests in CEOH to NFGC. The purchase price is $2.62 billion, subject to adjustment as set forth in the Ohio Securities Purchase Agreement. The purchase price is comprised of the following: (i) $1.42 billion in cash payable to CERC Corp. upon closing of the proposed transaction, subject to adjustments as set forth in the Ohio Securities Purchase Agreement, including adjustments based on net working capital, regulatory assets and liabilities and capital expenditures at closing of the proposed transaction; and (ii) a 364-day seller promissory note, in the original principal amount of $1.2 billion, to be issued by NFGC at the closing of the proposed transaction and payable to CERC Corp. as provided by the terms and conditions of the Seller Note Agreement. The completion of the proposed transaction is subject to customary closing conditions, including (i) the expiration or termination of the applicable waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended; (ii) completion of a notice filing and review with the PUCO; and (iii) customary conditions regarding the accuracy of the representations and warranties and compliance by the parties with their respective obligations under the Ohio Securities Purchase Agreement. The proposed transaction is not subject to a financing condition, will not close prior to October 1, 2026 without the consent of CERC Corp., and is expected to close in the fourth quarter of 2026, subject to satisfaction of the foregoing conditions. The proposed transaction did not qualify as held for sale as of September 30, 2025.