Regulatory Matters (Tables)

9 Months Ended

Sep. 30, 2023

Regulatory Assets and Liabilities, Other Disclosure [Abstract]

Schedule of Allowed Equity Return Not Recognized

The recoverable allowed equity return not yet recognized by the Registrants is as follows:

	September 30, 2023						December 31, 2022
	CenterPoint Energy (1)		Houston Electric (2)		CERC (3)		CenterPoint Energy (1)		Houston Electric (2)		CERC (3)
	(in millions)
Allowed equity return not recognized	$	205	$	81	$	66	$	188	$	82	$	54

(1)In addition to the amounts described in (2) and (3) below, represents CenterPoint Energy’s allowed equity return on post in-service carrying cost, including investments at SIGECO and securitized qualified costs associated with the completed retirements of SIGECO’s A.B. Brown coal-fired generation facilities.

(2)Represents Houston Electric’s allowed equity return on its true-up balance of stranded costs, other changes and related interest resulting from the formerly integrated electric utilities prior to Texas deregulation to be recovered in rates through 2024 and certain storm restoration, TEEEF and LLTF balances.

(3)CERC’s allowed equity return on post in-service carrying cost associated with certain distribution facilities replacements expenditures in Texas and costs associated with investments in Indiana.

Schedule of Amount Allowed Equity Return Recognized in Period

The table below reflects the amount of allowed equity return recognized by each Registrant in its Condensed Statements of Consolidated Income:

	Three Months Ended September 30,
	2023						2022
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Allowed equity return recognized	$	14	$	14	$	—	$	14	$	12	$	1
	Nine Months Ended September 30,
	2023						2022
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Allowed equity return recognized	$	32	$	30	$	1	$	36	$	33	$	2