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Regulatory Matters (Tables)
12 Months Ended
Dec. 31, 2022
Regulated Operations [Abstract]  
Schedule of Regulatory Assets and Liabilities
The following is a list of regulatory assets and liabilities, excluding amounts related to the Arkansas and Oklahoma Natural Gas businesses classified as held for sale as of December 31, 2021, reflected on the Registrants’ respective Consolidated Balance Sheets as of December 31, 2022 and 2021. For information about regulatory assets and liabilities in held for sale, see Note 4.

 December 31, 2022
CenterPoint EnergyHouston ElectricCERC
(in millions)
Regulatory Assets:
Future amounts recoverable from ratepayers related to:
Benefit obligations (1)
$392 $— $
Asset retirement obligations & other237 64 155 
Net deferred income taxes83 34 40 
Total future amounts recoverable from ratepayers712 98 200 
Amounts deferred for future recovery related to:
Extraordinary gas costs1,073 — 1,073 
Cost recovery riders133 — 57 
Hurricane and February 2021 Winter Storm Event restoration costs129 113 16 
Other regulatory assets129 46 67 
Gas recovery costs108 — 108 
Decoupling— 
COVID-19 incremental costs 13 
TEEEF costs182 182 — 
Unrecognized equity return (2)
(54)(27)(5)
Total amounts deferred for future recovery1,716 322 1,324 
Amounts currently recovered in customer rates related to:
Authorized trackers and cost deferrals499 25 369 
Securitized regulatory assets229 229 — 
Unamortized loss on reacquired debt and hedging88 64 12 
Gas recovery costs79 — 30 
Extraordinary gas costs294 — 294 
Regulatory assets related to TCJA47 47 — 
Hurricane Harvey restoration costs30 30 — 
Benefit obligations18 18 — 
Unrecognized equity return (3)
(134)(55)(49)
Total amounts recovered in customer rates (4)
1,150 358 656 
Total Regulatory Assets$3,578 $778 $2,180 
Total Current Regulatory Assets (5)
$1,385 $— $1,336 
Total Non-Current Regulatory Assets$2,193 $778 $844 
Regulatory Liabilities:
Regulatory liabilities related to TCJA$1,436 $716 $536 
Estimated removal costs1,338 158 1,097 
Other regulatory liabilities496 281 193 
Total Regulatory Liabilities$3,270 $1,155 $1,826 
Total Current Regulatory Liabilities (6)
$25 $— $25 
Total Non-Current Regulatory Liabilities$3,245 $1,155 $1,801 
 December 31, 2021
CenterPoint EnergyHouston ElectricCERC
(in millions)
Regulatory Assets:
Future amounts recoverable from ratepayers related to:
Benefit obligations (1)
$412 $— $
Asset retirement obligations & other240 45 171 
Net deferred income taxes41 29 
Total future amounts recoverable from ratepayers693 74 181 
Amounts deferred for future recovery related to:
Extraordinary gas costs1,528 — 1,517 
Cost recovery riders124 — 51 
Hurricane and February 2021 Winter Storm Event restoration costs105 105 — 
Other regulatory assets94 57 37 
Gas recovery costs29 — 29 
Decoupling25 — 25 
COVID-19 incremental costs 23 15 
TEEEF costs21 21 — 
Unrecognized equity return (28)(3)(4)
Total amounts deferred for future recovery1,921 188 1,670 
Amounts currently recovered in customer rates related to:
Authorized trackers and cost deferrals504 24 363 
Securitized regulatory assets420 420 — 
Unamortized loss on reacquired debt and hedging92 67 11 
Gas recovery costs72 — 59 
Extraordinary gas costs66 — 66 
Regulatory assets related to TCJA48 46 
Hurricane Harvey restoration costs43 43 — 
Benefit obligations28 24 
Unrecognized equity return (3)
(171)(97)(47)
Total amounts recovered in customer rates
1,102 527 458 
Total Regulatory Assets$3,716 $789 $2,309 
Total Current Regulatory Assets (5)
$1,395 $— $1,371 
Total Non-Current Regulatory Assets$2,321 $789 $938 
Regulatory Liabilities:
Regulatory liabilities related to TCJA$1,389 $738 $573 
Estimated removal costs1,304 229 994 
Other regulatory liabilities481 205 149 
Total Regulatory Liabilities$3,174 $1,172 $1,716 
Total Current Regulatory Liabilities (6)
$21 $20 $
Total Non-Current Regulatory Liabilities$3,153 $1,152 $1,715 

(1)Pension and postretirement-related regulatory assets balances are measured annually, and the ending amortization period may change based on the actuarial valuation.
(2)Represents the following: (a) CenterPoint Energy’s allowed equity return on post in-service carrying cost generally associated with investments in Indiana; (b) Houston Electric’s allowed equity return on TEEEF costs and storm restoration costs; and (c) CERC’s allowed equity return on post in-service carrying cost associated with certain distribution facilities replacements expenditures in Texas.
(3)Represents the following: (a) CenterPoint Energy’s allowed equity return on post in-service carrying cost generally associated with investments in Indiana; (b) 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 balances; and (c) CERC’s allowed equity return on post in-service carrying cost associated with certain distribution facilities replacements expenditures in Texas.
(4)Of the $1.2 billion, $358 million and $656 million currently being recovered in customer rates related to CenterPoint Energy, Houston Electric and CERC, respectively, $390 million, $294 million and $96 million is earning a return, respectively. The weighted average recovery period of regulatory assets currently being recovered in base rates, not earning a return, which totals $531 million, $64 million and $424 million for CenterPoint Energy, Houston Electric and CERC, respectively, is 11 years, 28 years and 7 years, respectively. Regulatory assets not earning a return with perpetual or undeterminable lives have been excluded from the weighted average recovery period calculation.
(5)Current regulatory assets for both CenterPoint Energy and CERC include extraordinary gas costs of $1,175 million as of December 31, 2022 and $1,256 million and $1,245 million, respectively, as of December 31, 2021.
(6)Current regulatory liabilities are included in Other current liabilities in each of the Registrants’ respective Consolidated Balance Sheets.
The table below reflects the amount of allowed equity return recognized by each Registrant in its Statements of Consolidated Income:
Year Ended December 31,
202220212020
CenterPoint EnergyHouston ElectricCERCCenterPoint EnergyHouston ElectricCERCCenterPoint EnergyHouston ElectricCERC
(in millions)
Allowed equity return recognized$45 $42 $$40 $37 $$31 $31 $—