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Regulatory Matters
 6 Months Ended
Jun. 30, 2022
Regulatory Assets and Liabilities, Other Disclosure [Abstract]  
Regulatory Matters Regulatory Matters
Equity Return

The Registrants are at times allowed by a regulator to defer an equity return as part of the recoverable carrying costs of a regulatory asset. A deferred equity return is capitalized for rate-making purposes, but it is not included in the Registrant’s regulatory assets on its Condensed Consolidated Balance Sheets. The allowed equity return is recognized in the Condensed Statements of Consolidated Income as it is recovered in rates. The recoverable allowed equity return not yet recognized by the Registrants is as follows:

June 30, 2022December 31, 2021
CenterPoint Energy (1)
Houston Electric (2)
CERC (3)
CenterPoint Energy (1)
Houston Electric (2)
CERC (3)
(in millions)
Allowed equity return not recognized$190 $89 $51 $199 $100 $51 

(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 generally associated with investments at SIGECO.
(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 and mobile generation balances pending recovery in the next rate proceeding. The actual amounts recognized are adjusted at least annually to correct any over-collections or under-collections during the preceding 12 months.
(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.

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

Three Months Ended June 30,
20222021
CenterPoint EnergyHouston ElectricCERCCenterPoint EnergyHouston ElectricCERC
(in millions)
Allowed equity return recognized$12 $12 $1 $11 $11 $1 
Six Months Ended June 30,
20222021
CenterPoint EnergyHouston ElectricCERCCenterPoint EnergyHouston ElectricCERC
(in millions)
Allowed equity return recognized$22 $21 $1 $19 $18 $1 

February 2021 Winter Storm Event

Amounts for the under recovery of natural gas costs associated with the February 2021 Winter Storm Event are reflected in current and non-current regulatory assets on CenterPoint Energy’s and CERC’s Condensed Consolidated Balance Sheets. Recovery of natural gas costs within the regulatory assets are probable and are subject to customary regulatory prudence reviews in all jurisdictions that may impact the amounts ultimately recovered. CenterPoint Energy and CERC have begun recovery of natural gas costs in Indiana, Louisiana, Mississippi and Minnesota, and recovery of natural gas costs in Indiana is nearly complete. CenterPoint Energy and CERC have filed for securitization of natural gas costs in Texas, received commission approval and issuance of financing order in 2022, and expect the Texas Public Financing Authority to issue customer rate relief bonds in 2022. As part of the closing of the sale of CenterPoint Energy’s and CERC’s Natural Gas businesses in Arkansas and Oklahoma, CERC received as part of the purchase price $398 million for unrecovered natural gas costs associated with the February 2021 Winter Storm Event. In testimonies filed on December 22, 2021 and February 11, 2022, in CERC’s high gas cost prudency review case, the Minnesota Attorney General’s Office, Minnesota Department of Commerce, and Citizens Utility
Board have proposed significant disallowances for all natural gas utilities, resulting in potential disallowances for CenterPoint Energy and CERC. Recommended disallowances for CERC include up to $45 million proposed by the Minnesota Department of Commerce, $82 million proposed by the Citizens Utility Board, and $409 million (or in the alternative $57 million) proposed by the Attorney General’s Office. The natural gas costs in Minnesota were incurred in accordance with the plan on file with the MPUC and CenterPoint Energy believes the costs were prudently incurred and are eligible for recovery through an existing mechanism. In May 2022, the administrative law judges reviewing the gas prudency case concluded that CERC acted prudently in connection with the February 2021 Winter Storm Event and recommended no disallowance of CERC’s jurisdictional gas costs incurred during the event. The commissioners of the MPUC are scheduled to hear oral arguments on the administrative law judges’ report on August 4, 2022, and will begin deliberations on August 11, 2022. CenterPoint Energy and CERC anticipate a final decision in the third quarter of 2022. Additionally, due to the uncertainty of timing and method of recovery in some jurisdictions, CenterPoint Energy and CERC may not earn a return on amounts deferred in the regulatory assets associated with the February 2021 Winter Storm Event.

As of June 30, 2022, CenterPoint Energy and CERC have recorded current regulatory assets of $1,186 million and $1,185 million, respectively, and non-current regulatory assets of $272 million and $272 million, respectively, associated with the February 2021 Winter Storm Event. As of December 31, 2021, CenterPoint Energy and CERC have recorded current regulatory assets of $1,410 million and $1,399 million, respectively, of which $154 million related to Arkansas and Oklahoma has been reflected in held for sale at both CenterPoint Energy and CERC, and non-current regulatory assets of $583 million and $583 million, respectively, of which $244 million related to Arkansas and Oklahoma has been reflected in held for sale at both CenterPoint Energy and CERC, associated with the February 2021 Winter Storm Event.

As of both June 30, 2022 and December 31, 2021, as authorized by the PUCT, CenterPoint Energy and Houston Electric recorded a regulatory asset of $8 million for bad debt expenses resulting from REPs’ default on their obligation to pay delivery charges to Houston Electric net of collateral. Additionally, as of both June 30, 2022 and December 31, 2021, CenterPoint Energy and Houston Electric recorded a regulatory asset of $15 million to defer operations and maintenance costs associated with the February 2021 Winter Storm Event.

See Note 13(d) for further information regarding litigation related to the February 2021 Winter Storm Event.