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Revenue from Contracts with Customers | 9 Months Ended
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Sep. 30, 2025
Revenue from Contract with Customer [Abstract] |
Revenue from Contracts with Customers | 3. Revenue from Contracts with Customers (All Registrants) See Note 3 in the Registrants' 2024 Form 10-K for a discussion of the principal activities from which PPL Electric, LG&E and KU and PPL’s Pennsylvania Regulated, Rhode Island Regulated, and Kentucky Regulated segments generate their revenues. The following tables reconcile "Operating Revenues" included in each Registrant's Statement of Income with revenues generated from contracts with customers for the periods ended September 30.
| 2025 Three Months
| PPL |  | PPL Electric |  | LG&E |  | KU
Operating Revenues (a)(b) | $ | 2,239 |  |  | $ | 786 |  |  | $ | 427 |  |  | $ | 530 |
Revenues derived from: |  |  |  |  |  |  |
Alternative revenue programs (c) | 6 |  |  | — |  |  | (2) |  |  | 2 |
Other (d) | (8) |  |  | (4) |  |  | (1) |  |  | (1) |
Revenues from Contracts with Customers | $ | 2,237 |  |  | $ | 782 |  |  | $ | 424 |  |  | $ | 531 |
| 2024 Three Months
| PPL |  | PPL Electric |  | LG&E |  | KU
Operating Revenues (a)(b) | $ | 2,066 |  |  | $ | 716 |  |  | $ | 397 |  |  | $ | 509 |
Revenues derived from: |  |  |  |  |  |  |
Alternative revenue programs (c) | 17 |  |  | (3) |  |  | 11 |  |  | 7 |
Other (d) | (6) |  |  | (4) |  |  | (1) |  |  | (1) |
Revenues from Contracts with Customers | $ | 2,077 |  |  | $ | 709 |  |  | $ | 407 |  |  | $ | 515 |
| 2025 Nine Months
| PPL |  | PPL Electric |  | LG&E |  | KU
Operating Revenues (a)(b) | $ | 6,768 |  |  | $ | 2,298 |  |  | $ | 1,310 |  |  | $ | 1,566 |
Revenues derived from: |  |  |  |  |  |  |
Alternative revenue programs (c) | 75 |  |  | 9 |  |  | (1) |  |  | 3 |
Other (d) | (20) |  |  | (13) |  |  | (3) |  |  | (3) |
Revenues from Contracts with Customers | $ | 6,823 |  |  | $ | 2,294 |  |  | $ | 1,306 |  |  | $ | 1,566 |
| 2024 Nine Months
| PPL |  | PPL Electric |  | LG&E |  | KU
Operating Revenues (a)(b) | $ | 6,251 |  |  | $ | 2,159 |  |  | $ | 1,239 |  |  | $ | 1,498 |
Revenues derived from: |  |  |  |  |  |  |
Alternative revenue programs (c) | 21 |  |  | (14) |  |  | 15 |  |  | 13 |
Other (d) | (18) |  |  | (12) |  |  | (3) |  |  | (3) |
Revenues from Contracts with Customers | $ | 6,254 |  |  | $ | 2,133 |  |  | $ | 1,251 |  |  | $ | 1,508 |
(a)PPL includes $509 million and $1,629 million for the three and nine months ended September 30, 2025 and $455 million and $1,393 million for the three and nine months ended September 30, 2024 of revenues from external customers reported by the Rhode Island Regulated segment. PPL Electric represents revenues from external customers reported by the Pennsylvania Regulated segment and LG&E and KU, net of intercompany power sales and transmission revenues, represent revenues from external customers reported by the Kentucky Regulated segment. See Note 2 for additional information. (b)PPL's transition services agreement associated with the RIE acquisition ended in the third quarter of 2024. In conjunction with the completion of the agreement, PPL conformed the presentation of RIE's and the Rhode Island Regulated segment’s net metering charges with the presentation of the other segments, resulting in an increase in Operating Revenues and a corresponding increase in Energy purchases beginning in the fourth quarter of 2024. For the three and nine months ended September 30, 2025, net metering of $34 million and $130 million was included in Energy purchases on PPL's Statement of Income. For the three and nine months ended September 30, 2024, $25 million and $110 million of net metering was presented as a reduction of Operating Revenues on PPL's Statement of Income. (c)This line item shows the over/under collection of rate mechanisms deemed alternative revenue programs with over-collections of revenue shown as positive amounts in the table above and under-collections shown as negative amounts. (d)Represents additional revenues outside the scope of revenues from contracts with customers, such as lease and other miscellaneous revenues. The following tables show revenues from contracts with customers disaggregated by customer class for the periods ended September 30.
| Three Months
| Residential |  | Commercial |  | Industrial |  | Other (a) |  | Wholesale - municipality |  | Wholesale - other (b) |  | Transmission |  | Revenues from Contracts with Customers
PPL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PA Regulated | $ | 403 |  |  | $ | 119 |  |  | $ | 16 |  |  | $ | 15 |  |  | $ | — |  |  | $ | — |  |  | $ | 229 |  |  | $ | 782 |
KY Regulated | 394 |  |  | 278 |  |  | 162 |  |  | 74 |  |  | 7 |  |  | 26 |  |  | — |  |  | 941 |
RI Regulated (c) | 258 |  |  | 158 |  |  | 23 |  |  | 9 |  |  | — |  |  | — |  |  | 66 |  |  | 514 |
Total PPL | $ | 1,055 |  |  | $ | 555 |  |  | $ | 201 |  |  | $ | 98 |  |  | $ | 7 |  |  | $ | 26 |  |  | $ | 295 |  |  | $ | 2,237 |
2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PA Regulated | $ | 367 |  |  | $ | 111 |  |  | $ | 12 |  |  | $ | 15 |  |  | $ | — |  |  | $ | — |  |  | $ | 204 |  |  | $ | 709 |
KY Regulated | 378 |  |  | 268 |  |  | 161 |  |  | 76 |  |  | 7 |  |  | 20 |  |  | — |  |  | 910 |
RI Regulated (c) | 112 |  |  | 38 |  |  | 5 |  |  | 251 |  |  | — |  |  | — |  |  | 52 |  |  | 458 |
Total PPL | $ | 857 |  |  | $ | 417 |  |  | $ | 178 |  |  | $ | 342 |  |  | $ | 7 |  |  | $ | 20 |  |  | $ | 256 |  |  | $ | 2,077 |
PPL Electric |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2025 | $ | 403 |  |  | $ | 119 |  |  | $ | 16 |  |  | $ | 15 |  |  | $ | — |  |  | $ | — |  |  | $ | 229 |  |  | $ | 782 |
2024 | $ | 367 |  |  | $ | 111 |  |  | $ | 12 |  |  | $ | 15 |  |  | $ | — |  |  | $ | — |  |  | $ | 204 |  |  | $ | 709 |
LG&E |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2025 | $ | 195 |  |  | $ | 137 |  |  | $ | 49 |  |  | $ | 29 |  |  | $ | — |  |  | $ | 14 |  |  | $ | — |  |  | $ | 424 |
2024 | $ | 190 |  |  | $ | 132 |  |  | $ | 48 |  |  | $ | 31 |  |  | $ | — |  |  | $ | 6 |  |  | $ | — |  |  | $ | 407 |
KU |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2025 | $ | 199 |  |  | $ | 141 |  |  | $ | 113 |  |  | $ | 46 |  |  | $ | 7 |  |  | $ | 25 |  |  | $ | — |  |  | $ | 531 |
2024 | $ | 188 |  |  | $ | 136 |  |  | $ | 113 |  |  | $ | 45 |  |  | $ | 7 |  |  | $ | 26 |  |  | $ | — |  |  | $ | 515 |
| Nine Months
| Residential |  | Commercial |  | Industrial |  | Other (a) |  | Wholesale - municipality |  | Wholesale - other (b) |  | Transmission |  | Revenues from Contracts with Customers
PPL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PA Regulated | $ | 1,205 |  |  | $ | 331 |  |  | $ | 42 |  |  | $ | 41 |  |  | $ | — |  |  | $ | — |  |  | $ | 675 |  |  | $ | 2,294 |
KY Regulated | 1,209 |  |  | 805 |  |  | 474 |  |  | 241 |  |  | 19 |  |  | 88 |  |  | — |  |  | 2,836 |
RI Regulated (c) | 913 |  |  | 516 |  |  | 61 |  |  | 37 |  |  | — |  |  | — |  |  | 166 |  |  | 1,693 |
Total PPL | $ | 3,327 |  |  | $ | 1,652 |  |  | $ | 577 |  |  | $ | 319 |  |  | $ | 19 |  |  | $ | 88 |  |  | $ | 841 |  |  | $ | 6,823 |
2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PA Regulated | $ | 1,125 |  |  | $ | 318 |  |  | $ | 34 |  |  | $ | 43 |  |  | $ | — |  |  | $ | — |  |  | $ | 613 |  |  | $ | 2,133 |
KY Regulated | 1,147 |  |  | 780 |  |  | 479 |  |  | 248 |  |  | 18 |  |  | 48 |  |  | — |  |  | 2,720 |
RI Regulated (c) | 480 |  |  | 182 |  |  | 17 |  |  | 593 |  |  | — |  |  | — |  |  | 128 |  |  | 1,400 |
Corp and Other | — |  |  | — |  |  | — |  |  | 1 |  |  | — |  |  | — |  |  | — |  |  | 1 |
Total PPL | $ | 2,752 |  |  | $ | 1,280 |  |  | $ | 530 |  |  | $ | 885 |  |  | $ | 18 |  |  | $ | 48 |  |  | $ | 741 |  |  | $ | 6,254 |
PPL Electric |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2025 | $ | 1,205 |  |  | $ | 331 |  |  | $ | 42 |  |  | $ | 41 |  |  | $ | — |  |  | $ | — |  |  | $ | 675 |  |  | $ | 2,294 |
2024 | $ | 1,125 |  |  | $ | 318 |  |  | $ | 34 |  |  | $ | 43 |  |  | $ | — |  |  | $ | — |  |  | $ | 613 |  |  | $ | 2,133 |
LG&E |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2025 | $ | 601 |  |  | $ | 406 |  |  | $ | 143 |  |  | $ | 111 |  |  | $ | — |  |  | $ | 45 |  |  | $ | — |  |  | $ | 1,306 |
2024 | $ | 571 |  |  | $ | 391 |  |  | $ | 141 |  |  | $ | 114 |  |  | $ | — |  |  | $ | 34 |  |  | $ | — |  |  | $ | 1,251 |
KU |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2025 | $ | 608 |  |  | $ | 399 |  |  | $ | 331 |  |  | $ | 131 |  |  | $ | 19 |  |  | $ | 78 |  |  | $ | — |  |  | $ | 1,566 |
2024 | $ | 576 |  |  | $ | 389 |  |  | $ | 338 |  |  | $ | 134 |  |  | $ | 18 |  |  | $ | 53 |  |  | $ | — |  |  | $ | 1,508 |
(a)Primarily includes revenues from pole attachments, street lighting, other public authorities and other non-core businesses, and for the Rhode Island Regulated Segment certain regulatory deferral mechanisms which could result in a reduction in revenues from over collections. For the periods ended September 30, 2024, the Rhode Island Regulated segment primarily includes open access tariff revenues, which are calculated on combined customer classes. (b)Includes wholesale power and transmission revenues. LG&E and KU amounts include intercompany power sales and transmission revenues, which are eliminated upon consolidation at the Kentucky Regulated segment. (c)PPL's transition services agreement associated with the RIE acquisition ended in the third quarter of 2024. In conjunction with the completion of the agreement, PPL disaggregated the 2024 revenues of the Rhode Island Regulated segment in a manner consistent with that of its other segments. This resulted in certain customer revenues for the Rhode Island Regulated segment, which were previously presented in the "Other" category, being presented in the "Residential", "Commercial" or "Industrial" customer classes beginning in the fourth quarter of 2024. Applying the previous methodology to 2025 revenues would result in $153 million of Residential, $122 million of Commercial and $23 million of Industrial for the three months ended September 30, 2025 and $421 million of Residential, $315 million of Commercial and $61 million of Industrial for the nine months ended September 30, 2025 for the Rhode Island Regulated segment being presented as "Other". As discussed in Note 2, PPL segments its business by geographic location. Revenues from external customers for each segment are reconciled to revenues from contracts with customers in the footnotes to the tables above. Contract receivables from customers are primarily included in "Accounts receivable - Customer", "Unbilled revenues", and "Other noncurrent assets" on the Balance Sheets. The following table shows the accounts receivable and unbilled revenues balances that were impaired for the periods ended September 30.
| Three Months |  | Nine Months
| 2025 |  | 2024 |  | 2025 |  | 2024
PPL (a) | $ | 30 |  |  | $ | 28 |  |  | $ | 72 |  |  | $ | 72 |
PPL Electric (a) | 11 |  |  | 13 |  |  | 20 |  |  | 37 |
LG&E | 1 |  |  | 1 |  |  | 3 |  |  | 2 |
KU | 2 |  |  | 2 |  |  | 4 |  |  | 3 |
(a)2024 includes amounts impaired related to PPL Electric's billing issues. See Note 7 in PPL's 2024 Form 10-K for additional information. Contract liabilities result from recording contractual billings in advance for customer attachments to the Registrants' infrastructure and payments received in excess of revenues earned to date. Advanced billings for customer attachments are generally recognized as revenue ratably over the quarterly billing period. Payments received in excess of revenues earned to date are recognized as revenue as services are delivered in subsequent periods. The Registrants' contract liabilities are not material at September 30, 2025 and 2024.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-9 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-15 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 606 -Publisher FASB -URI https://asc.fasb.org/606/tableOfContent + Details
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