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Related Party Transactions | 3 Months Ended
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Mar. 31, 2019
PPL Electric Utilities Corp [Member] |
Related Party Transactions [Line Items] |
Related Party Transactions | 12. Related Party Transactions Support Costs (PPL Electric, LKE, LG&E and KU) PPL Services, PPL EU Services and LKS provide PPL, PPL Electric, LKE, their respective subsidiaries, including LG&E and KU, and each other with administrative, management and support services. For all services companies, the costs of directly assignable and attributable services are charged to the respective recipients as direct support costs. General costs that cannot be directly assigned or attributed to a specific entity are allocated and charged to the respective recipients as indirect support costs. PPL Services and PPL EU Services use a three-factor methodology that includes the applicable recipients' invested capital, operation and maintenance expenses and number of employees to allocate indirect costs. PPL Services may also use a ratio of overall direct and indirect costs or a weighted average cost ratio. LKS bases its indirect allocations on the subsidiaries' number of employees, total assets, revenues, number of customers and/or other statistical information. PPL Services, PPL EU Services and LKS charged the following amounts for the periods ended March 31, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.
| Three Months
| 2019 |  | 2018
PPL Electric from PPL Services | $ | 16 |  |  | $ | 16 |
LKE from PPL Services | 9 |  |  | 7 |
PPL Electric from PPL EU Services | 37 |  |  | 35 |
LG&E from LKS | 38 |  |  | 38 |
KU from LKS | 43 |  |  | 42 |
In addition to the charges for services noted above, LKS makes payments on behalf of LG&E and KU for fuel purchases and other costs for products or services provided by third parties. LG&E and KU also provide services to each other and to LKS. Billings between LG&E and KU relate to labor and overheads associated with union and hourly employees performing work for the other company, charges related to jointly-owned generating units and other miscellaneous charges. Intercompany Borrowings (PPL Electric) PPL Energy Funding maintains a $650 million revolving line of credit with a PPL Electric subsidiary. No balance was outstanding at March 31, 2019 and December 31, 2018. The interest rates on borrowings are equal to one-month LIBOR plus a spread. Interest income is reflected in "Interest Income from Affiliate" on the Income Statement. (LKE) LKE maintains a $375 million revolving line of credit with a PPL Energy Funding subsidiary whereby LKE can borrow funds on a short-term basis at market-based rates. The interest rates on borrowings are equal to one-month LIBOR plus a spread. At March 31, 2019 and December 31, 2018, $187 million and $113 million were outstanding and reflected in "Notes payable with affiliates" on the Balance Sheets. The interest rates on the outstanding borrowings at March 31, 2019 and December 31, 2018 were 3.99% and 3.85%. Interest expense on the revolving line of credit was not significant for the three months ending March 31, 2019 and 2018. LKE maintains an agreement with a PPL affiliate that has a $300 million borrowing limit whereby LKE can loan funds on a short-term basis at market-based rates. No balance was outstanding at March 31, 2019 and December 31, 2018. The interest rate on the loan is based on the PPL affiliate's credit rating and equal to one-month LIBOR plus a spread. LKE maintains a $400 million ten-year note with a PPL affiliate with an interest rate of 3.5%. At March 31, 2019 and December 31, 2018, the note was reflected in "Long-term debt to affiliate" on the Balance Sheets. Interest expense on this note was $4 million for the three months ending March 31, 2019 and 2018. LKE maintains a $250 million ten-year note with a PPL affiliate with an interest rate of 4%. At March 31, 2019 and December 31, 2018, the note was reflected in "Long-term debt to affiliate" on the Balance Sheets. Interest expense on this note was $3 million for the three months ending March 31, 2019. VEBA Funds Receivable (PPL Electric) In May 2018, PPL received a favorable private letter ruling from the IRS permitting a transfer of excess funds from the PPL Bargaining Unit Retiree Health Plan VEBA to a new subaccount within the VEBA, to be used to pay medical claims of active bargaining unit employees. Based on PPL Electric's participation in PPL’s Other Postretirement Benefit plan, PPL Electric was allocated a portion of the excess funds from PPL Services. These funds have been recorded as an intercompany receivable on PPL Electric's Balance Sheets. The receivable balance decreases as PPL Electric pays incurred medical claims and is reimbursed by PPL Services. The intercompany receivable balance associated with these funds was $44 million as of March 31, 2019, of which $10 million was reflected in "Accounts receivable from affiliates" and $34 million was reflected in "Other noncurrent assets" on the PPL Electric Balance Sheet. The intercompany receivable balance associated with these funds was $45 million as of December 31, 2018, of which $10 million was reflected in "Account receivable from affiliates" and $35 million was reflected in "Other noncurrent assets" on the PPL Electric Balance Sheet. Other (PPL Electric, LG&E and KU) See Note 10 for discussions regarding intercompany allocations associated with defined benefits.
LG And E And KU Energy LLC [Member] |
Related Party Transactions [Line Items] |
Related Party Transactions | 12. Related Party Transactions Support Costs (PPL Electric, LKE, LG&E and KU) PPL Services, PPL EU Services and LKS provide PPL, PPL Electric, LKE, their respective subsidiaries, including LG&E and KU, and each other with administrative, management and support services. For all services companies, the costs of directly assignable and attributable services are charged to the respective recipients as direct support costs. General costs that cannot be directly assigned or attributed to a specific entity are allocated and charged to the respective recipients as indirect support costs. PPL Services and PPL EU Services use a three-factor methodology that includes the applicable recipients' invested capital, operation and maintenance expenses and number of employees to allocate indirect costs. PPL Services may also use a ratio of overall direct and indirect costs or a weighted average cost ratio. LKS bases its indirect allocations on the subsidiaries' number of employees, total assets, revenues, number of customers and/or other statistical information. PPL Services, PPL EU Services and LKS charged the following amounts for the periods ended March 31, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.
| Three Months
| 2019 |  | 2018
PPL Electric from PPL Services | $ | 16 |  |  | $ | 16 |
LKE from PPL Services | 9 |  |  | 7 |
PPL Electric from PPL EU Services | 37 |  |  | 35 |
LG&E from LKS | 38 |  |  | 38 |
KU from LKS | 43 |  |  | 42 |
In addition to the charges for services noted above, LKS makes payments on behalf of LG&E and KU for fuel purchases and other costs for products or services provided by third parties. LG&E and KU also provide services to each other and to LKS. Billings between LG&E and KU relate to labor and overheads associated with union and hourly employees performing work for the other company, charges related to jointly-owned generating units and other miscellaneous charges. Intercompany Borrowings (PPL Electric) PPL Energy Funding maintains a $650 million revolving line of credit with a PPL Electric subsidiary. No balance was outstanding at March 31, 2019 and December 31, 2018. The interest rates on borrowings are equal to one-month LIBOR plus a spread. Interest income is reflected in "Interest Income from Affiliate" on the Income Statement. (LKE) LKE maintains a $375 million revolving line of credit with a PPL Energy Funding subsidiary whereby LKE can borrow funds on a short-term basis at market-based rates. The interest rates on borrowings are equal to one-month LIBOR plus a spread. At March 31, 2019 and December 31, 2018, $187 million and $113 million were outstanding and reflected in "Notes payable with affiliates" on the Balance Sheets. The interest rates on the outstanding borrowings at March 31, 2019 and December 31, 2018 were 3.99% and 3.85%. Interest expense on the revolving line of credit was not significant for the three months ending March 31, 2019 and 2018. LKE maintains an agreement with a PPL affiliate that has a $300 million borrowing limit whereby LKE can loan funds on a short-term basis at market-based rates. No balance was outstanding at March 31, 2019 and December 31, 2018. The interest rate on the loan is based on the PPL affiliate's credit rating and equal to one-month LIBOR plus a spread. LKE maintains a $400 million ten-year note with a PPL affiliate with an interest rate of 3.5%. At March 31, 2019 and December 31, 2018, the note was reflected in "Long-term debt to affiliate" on the Balance Sheets. Interest expense on this note was $4 million for the three months ending March 31, 2019 and 2018. LKE maintains a $250 million ten-year note with a PPL affiliate with an interest rate of 4%. At March 31, 2019 and December 31, 2018, the note was reflected in "Long-term debt to affiliate" on the Balance Sheets. Interest expense on this note was $3 million for the three months ending March 31, 2019. VEBA Funds Receivable (PPL Electric) In May 2018, PPL received a favorable private letter ruling from the IRS permitting a transfer of excess funds from the PPL Bargaining Unit Retiree Health Plan VEBA to a new subaccount within the VEBA, to be used to pay medical claims of active bargaining unit employees. Based on PPL Electric's participation in PPL’s Other Postretirement Benefit plan, PPL Electric was allocated a portion of the excess funds from PPL Services. These funds have been recorded as an intercompany receivable on PPL Electric's Balance Sheets. The receivable balance decreases as PPL Electric pays incurred medical claims and is reimbursed by PPL Services. The intercompany receivable balance associated with these funds was $44 million as of March 31, 2019, of which $10 million was reflected in "Accounts receivable from affiliates" and $34 million was reflected in "Other noncurrent assets" on the PPL Electric Balance Sheet. The intercompany receivable balance associated with these funds was $45 million as of December 31, 2018, of which $10 million was reflected in "Account receivable from affiliates" and $35 million was reflected in "Other noncurrent assets" on the PPL Electric Balance Sheet. Other (PPL Electric, LG&E and KU) See Note 10 for discussions regarding intercompany allocations associated with defined benefits.
Louisville Gas And Electric Co [Member] |
Related Party Transactions [Line Items] |
Related Party Transactions | 12. Related Party Transactions Support Costs (PPL Electric, LKE, LG&E and KU) PPL Services, PPL EU Services and LKS provide PPL, PPL Electric, LKE, their respective subsidiaries, including LG&E and KU, and each other with administrative, management and support services. For all services companies, the costs of directly assignable and attributable services are charged to the respective recipients as direct support costs. General costs that cannot be directly assigned or attributed to a specific entity are allocated and charged to the respective recipients as indirect support costs. PPL Services and PPL EU Services use a three-factor methodology that includes the applicable recipients' invested capital, operation and maintenance expenses and number of employees to allocate indirect costs. PPL Services may also use a ratio of overall direct and indirect costs or a weighted average cost ratio. LKS bases its indirect allocations on the subsidiaries' number of employees, total assets, revenues, number of customers and/or other statistical information. PPL Services, PPL EU Services and LKS charged the following amounts for the periods ended March 31, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.
| Three Months
| 2019 |  | 2018
PPL Electric from PPL Services | $ | 16 |  |  | $ | 16 |
LKE from PPL Services | 9 |  |  | 7 |
PPL Electric from PPL EU Services | 37 |  |  | 35 |
LG&E from LKS | 38 |  |  | 38 |
KU from LKS | 43 |  |  | 42 |
In addition to the charges for services noted above, LKS makes payments on behalf of LG&E and KU for fuel purchases and other costs for products or services provided by third parties. LG&E and KU also provide services to each other and to LKS. Billings between LG&E and KU relate to labor and overheads associated with union and hourly employees performing work for the other company, charges related to jointly-owned generating units and other miscellaneous charges. Intercompany Borrowings (PPL Electric) PPL Energy Funding maintains a $650 million revolving line of credit with a PPL Electric subsidiary. No balance was outstanding at March 31, 2019 and December 31, 2018. The interest rates on borrowings are equal to one-month LIBOR plus a spread. Interest income is reflected in "Interest Income from Affiliate" on the Income Statement. (LKE) LKE maintains a $375 million revolving line of credit with a PPL Energy Funding subsidiary whereby LKE can borrow funds on a short-term basis at market-based rates. The interest rates on borrowings are equal to one-month LIBOR plus a spread. At March 31, 2019 and December 31, 2018, $187 million and $113 million were outstanding and reflected in "Notes payable with affiliates" on the Balance Sheets. The interest rates on the outstanding borrowings at March 31, 2019 and December 31, 2018 were 3.99% and 3.85%. Interest expense on the revolving line of credit was not significant for the three months ending March 31, 2019 and 2018. LKE maintains an agreement with a PPL affiliate that has a $300 million borrowing limit whereby LKE can loan funds on a short-term basis at market-based rates. No balance was outstanding at March 31, 2019 and December 31, 2018. The interest rate on the loan is based on the PPL affiliate's credit rating and equal to one-month LIBOR plus a spread. LKE maintains a $400 million ten-year note with a PPL affiliate with an interest rate of 3.5%. At March 31, 2019 and December 31, 2018, the note was reflected in "Long-term debt to affiliate" on the Balance Sheets. Interest expense on this note was $4 million for the three months ending March 31, 2019 and 2018. LKE maintains a $250 million ten-year note with a PPL affiliate with an interest rate of 4%. At March 31, 2019 and December 31, 2018, the note was reflected in "Long-term debt to affiliate" on the Balance Sheets. Interest expense on this note was $3 million for the three months ending March 31, 2019. VEBA Funds Receivable (PPL Electric) In May 2018, PPL received a favorable private letter ruling from the IRS permitting a transfer of excess funds from the PPL Bargaining Unit Retiree Health Plan VEBA to a new subaccount within the VEBA, to be used to pay medical claims of active bargaining unit employees. Based on PPL Electric's participation in PPL’s Other Postretirement Benefit plan, PPL Electric was allocated a portion of the excess funds from PPL Services. These funds have been recorded as an intercompany receivable on PPL Electric's Balance Sheets. The receivable balance decreases as PPL Electric pays incurred medical claims and is reimbursed by PPL Services. The intercompany receivable balance associated with these funds was $44 million as of March 31, 2019, of which $10 million was reflected in "Accounts receivable from affiliates" and $34 million was reflected in "Other noncurrent assets" on the PPL Electric Balance Sheet. The intercompany receivable balance associated with these funds was $45 million as of December 31, 2018, of which $10 million was reflected in "Account receivable from affiliates" and $35 million was reflected in "Other noncurrent assets" on the PPL Electric Balance Sheet. Other (PPL Electric, LG&E and KU) See Note 10 for discussions regarding intercompany allocations associated with defined benefits.
Kentucky Utilities Co [Member] |
Related Party Transactions [Line Items] |
Related Party Transactions | 12. Related Party Transactions Support Costs (PPL Electric, LKE, LG&E and KU) PPL Services, PPL EU Services and LKS provide PPL, PPL Electric, LKE, their respective subsidiaries, including LG&E and KU, and each other with administrative, management and support services. For all services companies, the costs of directly assignable and attributable services are charged to the respective recipients as direct support costs. General costs that cannot be directly assigned or attributed to a specific entity are allocated and charged to the respective recipients as indirect support costs. PPL Services and PPL EU Services use a three-factor methodology that includes the applicable recipients' invested capital, operation and maintenance expenses and number of employees to allocate indirect costs. PPL Services may also use a ratio of overall direct and indirect costs or a weighted average cost ratio. LKS bases its indirect allocations on the subsidiaries' number of employees, total assets, revenues, number of customers and/or other statistical information. PPL Services, PPL EU Services and LKS charged the following amounts for the periods ended March 31, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.
| Three Months
| 2019 |  | 2018
PPL Electric from PPL Services | $ | 16 |  |  | $ | 16 |
LKE from PPL Services | 9 |  |  | 7 |
PPL Electric from PPL EU Services | 37 |  |  | 35 |
LG&E from LKS | 38 |  |  | 38 |
KU from LKS | 43 |  |  | 42 |
In addition to the charges for services noted above, LKS makes payments on behalf of LG&E and KU for fuel purchases and other costs for products or services provided by third parties. LG&E and KU also provide services to each other and to LKS. Billings between LG&E and KU relate to labor and overheads associated with union and hourly employees performing work for the other company, charges related to jointly-owned generating units and other miscellaneous charges. Intercompany Borrowings (PPL Electric) PPL Energy Funding maintains a $650 million revolving line of credit with a PPL Electric subsidiary. No balance was outstanding at March 31, 2019 and December 31, 2018. The interest rates on borrowings are equal to one-month LIBOR plus a spread. Interest income is reflected in "Interest Income from Affiliate" on the Income Statement. (LKE) LKE maintains a $375 million revolving line of credit with a PPL Energy Funding subsidiary whereby LKE can borrow funds on a short-term basis at market-based rates. The interest rates on borrowings are equal to one-month LIBOR plus a spread. At March 31, 2019 and December 31, 2018, $187 million and $113 million were outstanding and reflected in "Notes payable with affiliates" on the Balance Sheets. The interest rates on the outstanding borrowings at March 31, 2019 and December 31, 2018 were 3.99% and 3.85%. Interest expense on the revolving line of credit was not significant for the three months ending March 31, 2019 and 2018. LKE maintains an agreement with a PPL affiliate that has a $300 million borrowing limit whereby LKE can loan funds on a short-term basis at market-based rates. No balance was outstanding at March 31, 2019 and December 31, 2018. The interest rate on the loan is based on the PPL affiliate's credit rating and equal to one-month LIBOR plus a spread. LKE maintains a $400 million ten-year note with a PPL affiliate with an interest rate of 3.5%. At March 31, 2019 and December 31, 2018, the note was reflected in "Long-term debt to affiliate" on the Balance Sheets. Interest expense on this note was $4 million for the three months ending March 31, 2019 and 2018. LKE maintains a $250 million ten-year note with a PPL affiliate with an interest rate of 4%. At March 31, 2019 and December 31, 2018, the note was reflected in "Long-term debt to affiliate" on the Balance Sheets. Interest expense on this note was $3 million for the three months ending March 31, 2019. VEBA Funds Receivable (PPL Electric) In May 2018, PPL received a favorable private letter ruling from the IRS permitting a transfer of excess funds from the PPL Bargaining Unit Retiree Health Plan VEBA to a new subaccount within the VEBA, to be used to pay medical claims of active bargaining unit employees. Based on PPL Electric's participation in PPL’s Other Postretirement Benefit plan, PPL Electric was allocated a portion of the excess funds from PPL Services. These funds have been recorded as an intercompany receivable on PPL Electric's Balance Sheets. The receivable balance decreases as PPL Electric pays incurred medical claims and is reimbursed by PPL Services. The intercompany receivable balance associated with these funds was $44 million as of March 31, 2019, of which $10 million was reflected in "Accounts receivable from affiliates" and $34 million was reflected in "Other noncurrent assets" on the PPL Electric Balance Sheet. The intercompany receivable balance associated with these funds was $45 million as of December 31, 2018, of which $10 million was reflected in "Account receivable from affiliates" and $35 million was reflected in "Other noncurrent assets" on the PPL Electric Balance Sheet. Other (PPL Electric, LG&E and KU) See Note 10 for discussions regarding intercompany allocations associated with defined benefits.

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