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Short-term Borrowings and Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2024

Debt Disclosure [Abstract]

Schedule of Debt

Short-term Borrowings and Long-term Debt: As of December 31, 2024 and 2023, the Registrants had the following short-term borrowings and long-term debt outstanding:

			December 31, 2024												December 31, 2023
			Long-Term						Current (1)						Long-Term						Current (1)
			(in millions)
CenterPoint Energy:
ZENS due 2029 (2)			$	—					$	2					$	—					$	5
CenterPoint Energy senior notes 1.45% to 5.25% due 2026 to 2049			3,950						—						3,250						850
CenterPoint Energy junior subordinated notes 6.70% to 7.00% due 2055			1,300						—						—						—
CenterPoint Energy pollution control bonds 5.125% due 2028 (3)			68						—						68						—
CenterPoint Energy commercial paper (4)			382						—						1,036						—
SIGECO first mortgage bonds 3.450% to 6.00% due 2025 to 2055 (5)			944						41						825						22
SIGECO securitization bonds 5.026% to 5.172% due 2036 to 2041 (6)			311						13						324						17
Unamortized debt issuance costs			(48)						—						(35)						—
Unamortized discount and premium, net			(6)						—						(5)						—
Houston Electric debt (see details below)			8,322						500						7,426						161
CERC debt (see details below)			5,174						10						4,670						4
Total CenterPoint Energy debt			$	20,397					$	566					$	17,559					$	1,059

Houston Electric:
Short Term Borrowings:
Term loan			$	—					$	500					$	—					$	—
Long-term debt:
General mortgage bonds 2.35% to 6.95% due 2026 to 2053 (7)			$	8,412					$	—					$	7,512					$	—
Other			1						—						1						—
Bond Company IV:
Transition bonds 3.028% due 2024			—						—						—						161
Unamortized debt issuance costs			(62)						—						(59)						—
Unamortized discount and premium, net			(29)						—						(28)						—
Total Houston Electric debt			$	8,322					$	500					$	7,426					$	161

CERC (8):
Short-term borrowings:
Inventory financing (9)			$	—					$	—					$	—					$	4
Long-term debt:
Senior notes 1.75% to 6.625% due 2026 to 2047			$	4,520					$	—					$	4,120					$	—
Indiana Gas senior notes 6.34% to 7.08% due 2025 to 2029			86						10						96						—
Commercial paper (4)			599						—						484						—
Unamortized debt issuance costs			(31)						—						(31)						—
Unamortized discount and premium, net			—						—						1						—
Total CERC debt			$	5,174					$	10					$	4,670					$	4

(1)Includes amounts due or exchangeable within one year of the date noted.

(2)CenterPoint Energy’s ZENS obligation is bifurcated into a debt component and an embedded derivative component. For additional information regarding ZENS, see Note 10(b). As ZENS are exchangeable for cash at any time at the option of the holders, these notes are classified as a current portion of long-term debt.

(3)These pollution control bonds were secured by general mortgage bonds of Houston Electric as of December 31, 2024 and 2023 and are not reflected in Houston Electric’s consolidated financial statements because of the contingent nature of the obligations.

(4)Commercial paper issued by CenterPoint Energy and CERC Corp. has maturities up to 60 days and 30 days, respectively, and are backstopped by the respective issuer’s long-term revolving credit facility. Commercial paper is classified as long-term because the termination date of the facility that backstops the commercial paper is more than one year from the balance sheet date.

(5)The first mortgage bonds issued by SIGECO subject SIGECO’s properties to a lien under the related mortgage indenture as further discussed below.

(6)Scheduled final payment dates are November 15, 2036 and May 15, 2041. The SIGECO Securitization Bonds will be repaid over time through a securitization charge imposed on retail electric customers in SIGECO’s service territory.

(7)The general mortgage bonds issued by Houston Electric subject Houston Electric’s properties to a lien under the General Mortgage as further discussed below.

(8)Issued by CERC Corp.

(9)Represents AMA transactions accounted for as an inventory financing.

Schedule of Revolving Credit Facilities and Utilization of Such Facilities

During 2024, the following debt instruments were issued or incurred:

Registrant						Issuance Date						Debt Instrument						Aggregate Principal Amount						Interest Rate						Maturity Date
												(in millions, except for interest rates)
Houston Electric (1)						February 2024						General Mortgage Bonds						$	400					5.15%						2034
Houston Electric (2)						June 2024						Term Loan						500						SOFR (9) + 1.00%						2025
Houston Electric (3)						October 2024						General Mortgage Bonds						500						5.05%						2035
												Total Houston Electric						1,400
CERC (4)						June 2024						Senior Notes						400						5.40%						2034
												Total CERC						400
CenterPoint Energy (5)						May 2024						Senior Notes						700						5.40%						2029
CenterPoint Energy (6)						August 2024						First Mortgage Bonds						100						5.18%						2034
CenterPoint Energy (6)						August 2024						First Mortgage Bonds						60						5.28%						2036
CenterPoint Energy (7)						August 2024						Junior Subordinated Notes						400						7.00%						2055
CenterPoint Energy (7)						August 2024						Junior Subordinated Notes						400						6.85%						2055
CenterPoint Energy (8)						October 2024						Junior Subordinated Notes						500						6.70%						2055
												Total CenterPoint Energy						$	3,960

(1)Total proceeds from Houston Electric’s February 2024 issuance of general mortgage bonds, net of transaction expenses and fees, were approximately $395 million, which were used for general limited liability company purposes, including capital expenditures and working capital purposes.

(2)On June 28, 2024, Houston Electric borrowed $100 million aggregate principal amount available under the term loan agreement. In September 2024, Houston Electric borrowed $200 million aggregate principal amount available under the term loan agreement. In November 2024, Houston Electric requested additional commitments under the term loan agreement and borrowed $200 million under the term loan agreement. Houston Electric has used the proceeds thereof for working capital purposes to support liquidity needs from the May 2024 Storm Events and general limited liability company purposes.

(3)Total net proceeds from Houston Electric’s October 2024 issuance of general mortgage bonds, net of transaction expenses and fees, were approximately $494 million, which were used for general limited liability company purposes, including capital expenditures and working capital purposes.

(4)Total proceeds from CERC’s June 2024 issuance of senior notes, net of transaction expenses and fees, were approximately $396 million which were used for general corporate purposes, including the repayment of a portion of CERC’s outstanding commercial paper.

(5)Total proceeds from CenterPoint Energy’s May 2024 issuance of senior notes, net of transaction expenses and fees, were approximately $693 million which were used for general corporate purposes including the redemption of $350 million aggregate principal amount of CenterPoint Energy’s outstanding floating rate senior notes due 2024 and the repayment of a portion of CenterPoint Energy’s outstanding commercial paper.

(6)Issued by SIGECO. Total proceeds from SIGECO’s August 2024 issuance of first mortgage bonds, net of transaction expenses and fees, of approximately $159 million were used for general corporate purposes, including repaying short-term debt and long-term debt at maturity or otherwise. See Note 20 for additional information.

(7)Total proceeds from CenterPoint Energy’s August 2024 issuance of junior subordinated notes, net of transaction expenses and fees, were approximately $790 million, which were used for general corporate purposes, including the

redemption of $500 million aggregate principal amount of CenterPoint Energy’s outstanding 2.50% senior notes due 2024 and the repayment of a portion of CenterPoint Energy’s outstanding commercial paper.

(8)Total proceeds from CenterPoint Energy’s October 2024 issuance of junior subordinated notes, net of transaction expenses and fees, were approximately $494 million, which were used for general company purposes including the repayment of a portion of CenterPoint Energy’s outstanding commercial paper.

(9)The borrowings under the term loan agreement bear interest at Houston Electric’s option, at a rate equal to either (i) Term SOFR (as defined in the term loan agreement), which includes an adjustment of 0.10% per annum plus a margin of 1.0%, or (ii) the Alternate Base Rate (as defined in the term loan agreement)

The Registrants had the following revolving credit facilities as of December 31, 2024:

Registrant						Execution  Date						Size of Facility						Draw Rate of SOFR plus (1)						Financial Covenant Limit on Debt for Borrowed Money to Capital Ratio						Debt for Borrowed Money to Capital Ratio as of December 31, 2024 (2)						Termination  Date (5)
												(in millions)
CenterPoint Energy						December 6, 2022						$	2,400					1.500%						65%			(3)			59.3%						December 6, 2027
CenterPoint Energy (4)						December 6, 2022						250						1.125%						65%						44.8%						December 6, 2027
Houston Electric						December 6, 2022						300						1.250%						67.5%			(3)			53.3%						December 6, 2027
CERC						December 6, 2022						1,050						1.125%						65%						41.4%						December 6, 2027
Total												$	4,000

(1)Based on credit ratings as of December 31, 2024.

(2)As defined in the revolving credit facility agreement, excluding Securitization Bonds.

(3)For CenterPoint Energy and Houston Electric, the financial covenant limit will temporarily increase to 70% if Houston Electric experiences damage from a natural disaster in its service territory and CenterPoint Energy certifies to the administrative agent that Houston Electric has incurred system restoration costs reasonably likely to exceed $100 million in a consecutive 12-month period, all or part of which Houston Electric intends to seek to recover through securitization financing. Such temporary increase in the financial covenant would be in effect from the date CenterPoint Energy delivers its certification until the earliest to occur of (i) the completion of the securitization financing, (ii) the first anniversary of CenterPoint Energy’s certification or (iii) the revocation of such certification.

(4)This credit facility was issued by SIGECO.

(5)See Note 20 for discussion of subsequent events associated with the revolving credit facilities.

As of December 31, 2024 and 2023, the Registrants had the following revolving credit facilities and utilization of such facilities:

						December 31, 2024																														December 31, 2023
Registrant						Size of Facility						Loans						Letters of Credit						Commercial Paper						Weighted Average Interest Rate						Size of Facility						Loans						Letters of Credit						Commercial Paper						Weighted Average Interest Rate
						(in millions, except weighted average interest rate)
CenterPoint Energy (1)						$	2,400					$	—					$	—					$	382					4.59		%				$	2,400					$	—					$	—					$	1,036					5.54		%
CenterPoint Energy (2)						250						—						—						—						—		%				250						—						—						—						—		%
Houston Electric						300						—						—						—						—		%				300						—						—						—						—		%
CERC						1,050						—						—						599						4.62		%				1,050						—						1						484						5.53		%
Total						$	4,000					$	—					$	—					$	981											$	4,000					$	—					$	1					$	1,520

(1)CenterPoint Energy’s and CERC’s outstanding commercial paper generally have maturities up to 60 days and 30 days, respectively, and are backstopped by the respective issuer’s long-term revolving credit facility.

(2)This credit facility was issued by SIGECO.

Schedule of Debt Repayments and Redemptions

During 2024, the following debt instruments were repaid at maturity or redeemed prior to maturity:

Registrant

Repayment/Redemption Date

Debt Instrument

Aggregate Principal

Interest Rate

Maturity Date

(in millions)

CenterPoint Energy (1)

March 2024

First Mortgage Bonds

$

22

3.50%

2024

CenterPoint Energy (2)

May 2024

Senior Notes

350

SOFR + 0.65%

2024

CenterPoint Energy (3)

September 2024

Senior Notes

500

2.50%

2024

Total CenterPoint Energy

$

872

(1) On February 6, 2024, SIGECO provided notice of redemption and on March 1, 2024, SIGECO paid down the outstanding principal of $22 million aggregate principal amount of SIGECO’s outstanding first mortgage bonds due 2024 at a redemption price equal to 100% of the principal amount of the first mortgage bonds to be redeemed plus accrued and unpaid interest thereon, if any, to, but excluding, the redemption date.

(2)    On May 13, 2024, CenterPoint Energy redeemed $350 million aggregate principal amount of its outstanding floating rate senior notes due 2024 at a redemption price equal to 100% of the principal amount to be redeemed plus accrued and unpaid interest thereon.

(3) In September 2024, CenterPoint Energy redeemed $500 million aggregate principal amount of its outstanding 2.50% senior notes due 2024 at a redemption price equal to 100% of the principal amount to be redeemed plus accrued and unpaid interest thereon.

Schedule of Extinguishment of Debt

CenterPoint Energy and Houston Electric recorded the following losses on early extinguishment of debt, including make-whole premiums and recognition of deferred debt related costs, in Interest expense and other finance charges on their respective Statements of Consolidated Income unless specified otherwise:

						Year Ended December 31,
						2024						2023						2022
						(in millions)
CenterPoint Energy (1)						$	—					$	11					$	47
Houston Electric (2)						—						—						2

(1) The loss on early extinguishment of debt at CenterPoint Energy during 2023 was recorded as a regulatory asset.

(2) The loss on early extinguishment of debt at Houston Electric during 2022 was recorded as a regulatory asset.

Schedule of Maturities of Long-term Debt

Maturities. As of December 31, 2024, maturities of long-term debt through 2029, excluding the ZENS obligation and unamortized discounts, premiums and issuance costs, were as follows:

			CenterPoint Energy (1)						Houston  Electric (1)						CERC						Securitization Bonds
			(in millions)
2025			$	564					$	500					$	10					$	13
2026			2,274						300						60						14
2027			1,320						300						625						14
2028			2,063						500						1,230						15
2029			935						—						30						16

(1)These maturities include Securitization Bonds principal repayments on scheduled payment dates.

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