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v3.23.1

Regulatory Matters (Tables) | 3 Months Ended
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Mar. 31, 2023
Regulated Operations [Abstract] |
Schedule of Regulatory Assets | Regulatory assets and liabilities at March 31, 2023 and December 31, 2022 were comprised of the following items:
| Con Edison |  | CECONY
(Millions of Dollars) | 2023 | 2022 |  | 2023 | 2022
Regulatory assets |  |  |  |  |
Unrecognized pension and other postretirement costs | $123 | $78 |  | $121 | $78
Environmental remediation costs | 986 | 991 |  | 902 | 906
Revenue taxes | 453 | 436 |  | 433 | 417
Deferred storm costs | 262 | 270 |  | 158 | 173
Municipal infrastructure support costs | 29 | 29 |  | 29 | 29 |
Brooklyn Queens demand management program | 32 | 33 |  | 32 | 33
Meadowlands heater odorization project | 26 | 27 |  | 26 | 27
Recoverable Demonstration project costs | 17 | 17 |  | 17 | 16
Gate station upgrade project | 14 | 14 |  | 14 | 14
System peak reduction and energy efficiency programs | 802 | 783 |  | 796 | 780
Unamortized loss on reacquired debt | 10 | 11 |  | 9 | 10
Deferred derivative losses - long term | 165 | 31 |  | 156 | 26
Property tax reconciliation | 132 | 121 |  | 132 | 121
Legacy meters | 20 | 20 |  | — | —
Gas service line deferred costs | 66 | 99 |  | 66 | 99
COVID - 19 customer arrears relief programs | 441 | 104 |  |  | 436 | 101 |
Pension and other postretirement benefits deferrals | 196 | 279 |  | 166 | 240
Preferred stock redemption | 19 | 19 |  | 19 | 19
MTA power reliability deferral | 84 | 92 |  | 84 | 92
Non-wire alternative projects | 21 | 22 |  | 21 | 22
COVID - 19 pandemic deferrals | 211 | 292 |  | 208 | 288
Electric vehicle make ready | 39 | 33 |  | 36 | 30
Other | 202 | 173 |  | 186 | 148
Regulatory assets – noncurrent | 4,350 | 3,974 |  | 4,047 | 3,669
Deferred derivative losses - short term | 199 | 184 |  | 190 | 178
Recoverable energy costs | 52 | 121 |  | 41 | 108
Regulatory assets – current | 251 | 305 |  | 231 | 286
Total Regulatory Assets | $4,601 | $4,279 |  | $4,278 | $3,955
Regulatory liabilities |  |  |  |  |
Future income tax* | $1,694 | $1,753 |  | $1,559 | $1,616
Allowance for cost of removal less salvage | 1,335 | 1,315 |  | 1,153 | 1,137
Net unbilled revenue deferrals | 108 | 204 |  | 108 | 204 |
Energy efficiency portfolio standard unencumbered funds | 5 | 5 |  | 7 | 7
Settlement of prudence proceeding | 9 | 10 |  | 9 | 10
Earnings sharing - electric, gas and steam | 14 | 13 |  |  | 10 | 10 |
System benefit charge carrying charge | 76 | 73 |  | 74 | 69
BQDM and Demonstration project reconciliations | 21 | 23 |  | 19 | 21
Pension and other postretirement benefit deferrals | 161 | 144 |  | 115 | 98
Property tax refunds | 35 | 35 |  | 35 | 35
COVID - 19 pandemic uncollectible reconciliation deferral | 10 | 12 |  | 10 | 12
Late payment charge deferral | 142 | 127 |  |  | 137 | 123 |
Unrecognized pension and other postretirement costs | 1,405 | 1,638 |  | 1,316 | 1,536
Net proceeds from sale of property | 65 | 69 |  | 63 | 69
Sales and use tax refunds | 35 | 37 |  | 33 | 36
Workers’ compensation | 12 | 11 |  | 12 | 11 |
Deferred derivative gains - long term | 19 | 145 |  | 19 | 130
Other | 391 | 413 |  | 338 | 357
Regulatory liabilities – noncurrent | $5,537 | $6,027 |  | $5,017 | $5,481
Refundable energy costs | 111 | 34 |  | 61 | —
Revenue decoupling mechanism | 5 | 29 |  | 2 | 21
Deferred derivative gains - short term | 162 | 311 |  | 150 | 287
Regulatory liabilities – current | $278 | $374 |  | $213 | $308
Total Regulatory Liabilities | $5,815 | $6,401 |  | $5,230 | $5,789
* See "Other Regulatory Matters," above.
Schedule of Regulatory Liabilities | Regulatory assets and liabilities at March 31, 2023 and December 31, 2022 were comprised of the following items:
| Con Edison |  | CECONY
(Millions of Dollars) | 2023 | 2022 |  | 2023 | 2022
Regulatory assets |  |  |  |  |
Unrecognized pension and other postretirement costs | $123 | $78 |  | $121 | $78
Environmental remediation costs | 986 | 991 |  | 902 | 906
Revenue taxes | 453 | 436 |  | 433 | 417
Deferred storm costs | 262 | 270 |  | 158 | 173
Municipal infrastructure support costs | 29 | 29 |  | 29 | 29 |
Brooklyn Queens demand management program | 32 | 33 |  | 32 | 33
Meadowlands heater odorization project | 26 | 27 |  | 26 | 27
Recoverable Demonstration project costs | 17 | 17 |  | 17 | 16
Gate station upgrade project | 14 | 14 |  | 14 | 14
System peak reduction and energy efficiency programs | 802 | 783 |  | 796 | 780
Unamortized loss on reacquired debt | 10 | 11 |  | 9 | 10
Deferred derivative losses - long term | 165 | 31 |  | 156 | 26
Property tax reconciliation | 132 | 121 |  | 132 | 121
Legacy meters | 20 | 20 |  | — | —
Gas service line deferred costs | 66 | 99 |  | 66 | 99
COVID - 19 customer arrears relief programs | 441 | 104 |  |  | 436 | 101 |
Pension and other postretirement benefits deferrals | 196 | 279 |  | 166 | 240
Preferred stock redemption | 19 | 19 |  | 19 | 19
MTA power reliability deferral | 84 | 92 |  | 84 | 92
Non-wire alternative projects | 21 | 22 |  | 21 | 22
COVID - 19 pandemic deferrals | 211 | 292 |  | 208 | 288
Electric vehicle make ready | 39 | 33 |  | 36 | 30
Other | 202 | 173 |  | 186 | 148
Regulatory assets – noncurrent | 4,350 | 3,974 |  | 4,047 | 3,669
Deferred derivative losses - short term | 199 | 184 |  | 190 | 178
Recoverable energy costs | 52 | 121 |  | 41 | 108
Regulatory assets – current | 251 | 305 |  | 231 | 286
Total Regulatory Assets | $4,601 | $4,279 |  | $4,278 | $3,955
Regulatory liabilities |  |  |  |  |
Future income tax* | $1,694 | $1,753 |  | $1,559 | $1,616
Allowance for cost of removal less salvage | 1,335 | 1,315 |  | 1,153 | 1,137
Net unbilled revenue deferrals | 108 | 204 |  | 108 | 204 |
Energy efficiency portfolio standard unencumbered funds | 5 | 5 |  | 7 | 7
Settlement of prudence proceeding | 9 | 10 |  | 9 | 10
Earnings sharing - electric, gas and steam | 14 | 13 |  |  | 10 | 10 |
System benefit charge carrying charge | 76 | 73 |  | 74 | 69
BQDM and Demonstration project reconciliations | 21 | 23 |  | 19 | 21
Pension and other postretirement benefit deferrals | 161 | 144 |  | 115 | 98
Property tax refunds | 35 | 35 |  | 35 | 35
COVID - 19 pandemic uncollectible reconciliation deferral | 10 | 12 |  | 10 | 12
Late payment charge deferral | 142 | 127 |  |  | 137 | 123 |
Unrecognized pension and other postretirement costs | 1,405 | 1,638 |  | 1,316 | 1,536
Net proceeds from sale of property | 65 | 69 |  | 63 | 69
Sales and use tax refunds | 35 | 37 |  | 33 | 36
Workers’ compensation | 12 | 11 |  | 12 | 11 |
Deferred derivative gains - long term | 19 | 145 |  | 19 | 130
Other | 391 | 413 |  | 338 | 357
Regulatory liabilities – noncurrent | $5,537 | $6,027 |  | $5,017 | $5,481
Refundable energy costs | 111 | 34 |  | 61 | —
Revenue decoupling mechanism | 5 | 29 |  | 2 | 21
Deferred derivative gains - short term | 162 | 311 |  | 150 | 287
Regulatory liabilities – current | $278 | $374 |  | $213 | $308
Total Regulatory Liabilities | $5,815 | $6,401 |  | $5,230 | $5,789
* See "Other Regulatory Matters," above.
Schedule of Regulatory Assets Not Earning Return | Regulatory Assets Not Earning a Return*
| Con Edison | CECONY
(Millions of Dollars) | 2023 | 2022 | 2023 | 2022
Unrecognized pension and other postretirement costs | $123 | $78 | $121 | $78
Environmental remediation costs | 985 | 987 | 900 | 903
Revenue taxes | 448 | 414 | 431 | 397
COVID-19 Deferral for Uncollectible Accounts Receivable | 174 | 253 | 172 | 249
Deferred derivative losses - current | 199 | 184 | 190 | 178
Deferred derivative losses - long term | 165 | 31 | 156 | 26
Other | 40 | 28 | 40 | 27
Total | $2,134 | $1,975 | $2,010 | $1,858
*This table presents regulatory assets not earning a return for which no cash outlay has been made.

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