KENTUCKY UTILITIES CO
For the period ended Jun 30, 2026. Filed Aug 7, 2026.
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Jun 30, 2026 · Filed Aug 7, 2026
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15. Asset Retirement Obligations
- Asset Retirement Obligations
PPL's, LG&E's and KU's ARO liabilities are primarily related to CCR closure costs. See Note 10 for information on the CCR rule. LG&E and RIE also have AROs related to natural gas mains and wells. LG&E's and KU's transmission and distribution lines largely operate under perpetual property easement agreements, which do not generally require restoration upon removal of the property. Therefore, no material AROs are recorded for transmission and distribution assets. For LG&E, KU and RIE, all ARO accretion and depreciation expenses are reclassified as a regulatory asset or regulatory liability. ARO regulatory assets associated with certain CCR projects are amortized to expense in accordance with regulatory approvals. For other AROs, deferred accretion and depreciation expense is recovered through cost of removal.
The changes in the carrying amounts of AROs were as follows.
| PPL | LG&E | KU | |
|---|---|---|---|
| Balance at December 31, 2025 | $140 | $75 | $57 |
| Accretion | 4 | 2 | 2 |
| Changes in estimated timing or cost | (12) | (11) | (1) |
| Obligations settled | (13) | (5) | (8) |
| Other | 1 | (1) | (1) |
| Balance at June 30, 2026 | $120 | $60 | $49 |
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