EXELON CORP
For the period ended Dec 31, 2023. Filed Feb 21, 2024.
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FY2023 · Filed Feb 21, 2024
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9. Asset Retirement Obligations
Note 9 — Asset Retirement Obligations
- Asset Retirement Obligations (All Registrants)
The Registrants have AROs primarily associated with the abatement and disposal of equipment and buildings contaminated with asbestos and PCBs. See Note 1 — Significant Accounting Policies for additional information on the Registrants’ accounting policy for AROs.
The following table provides a rollforward of the AROs reflected in the Registrants’ Consolidated Balance Sheets from December 31, 2021 to December 31, 2023:
| Exelon | ComEd | PECO | BGE | PHI | Pepco | DPL | ACE | |
|---|---|---|---|---|---|---|---|---|
| AROs at December 31, 2021 | $274 | $146 | $29 | $26 | $70 | $45 | $16 | $9 |
| Revisions in estimates of cash flows | (8) | 2 | (1) | 3 | (13) | (8) | (3) | (2) |
| Accretion expense(a) | 8 | 4 | 1 | 1 | 2 | 2 | — | — |
| Payments | (3) | (2) | (1) | — | — | — | — | — |
| AROs at December 31, 2022 | $271 | $150 | $28 | $30 | $59 | $39 | $13 | $7 |
| Revisions in estimates of cash flows | (9) | (3) | (1) | 1 | (6) | (4) | (1) | (1) |
| Accretion expense(a) | 11 | 6 | 1 | 1 | 3 | 2 | 1 | — |
| Payments | (4) | (3) | (1) | — | — | — | — | — |
| AROs at December 31, 2023 | $269 | $150 | $27 | $32 | $56 | $37 | $13 | $6 |
(a)For ComEd, PECO, BGE, DPL and ACE, the majority of the accretion is recorded as an increase to a regulatory asset due to the associated regulatory treatment.
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