v3.25.2
Derivative Instruments and Hedging Activities (Tables)
6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Derivative Instruments And Hedging Activities [Line Items]    
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value
The following table presents the fair value and the location of derivative instruments on the Balance Sheets:
June 30, 2025December 31, 2024
Derivatives designated as hedging instrumentsDerivatives not designated as hedging instrumentsDerivatives designated as hedging instrumentsDerivatives not designated as hedging instruments
AssetsLiabilitiesAssetsLiabilitiesAssetsLiabilitiesAssetsLiabilities
Current:        
Price Risk Management
Assets/Liabilities (a):        
   Interest rate derivatives (b)$$— $— $— $— $— $— $— 
   Gas contracts — — — — 10 
Total current— — — 10 
Noncurrent:        
Price Risk Management
Assets/Liabilities (a):        
Interest rate derivatives (b)— — — — — — 
Gas contracts — — — — 
Total noncurrent— — 10 — — 
Total derivatives$$— $10 $13 $— $— $$16 
 
(a)Current portion is included in "Other current assets" and "Other current liabilities" and noncurrent portion is included in "Other noncurrent assets" and "Other deferred credits and noncurrent liabilities" on the Balance Sheets. Excludes accrued interest, if applicable.
(b)Excludes accrued interest, if applicable.
 
Derivative Instruments, Gain (Loss)
The following table presents the effect of cash flow hedge activity on the Statement of Income for the period ended June 30, 2025.
Location and Amount of Gain (Loss) Recognized in Income on Hedging Relationships
Three MonthsSix Months
Interest ExpenseInterest Expense
Total income and expense line items presented in the income statement in which the effect of cash flow hedges are recorded$199 $389 
The effects of cash flow hedges:
Gain (Loss) on cash flow hedging relationships:
Interest rate derivatives:
Amount of gain (loss) reclassified from AOCI to income(1)(2)
The following table presents the effect of cash flow hedge activity on the Statement of Income for the period ended June 30, 2024.
Location and Amount of Gain (Loss) Recognized in Income on Hedging Relationships
Three MonthsSix Months
Interest ExpenseInterest Expense
Total income and expense line items presented in the income statement in which the effect of cash flow hedges are recorded$182 $361 
The effects of cash flow hedges:
Gain (Loss) on cash flow hedging relationships:
Interest rate derivatives:
Amount of gain (loss) reclassified from AOCI to income(1)(2)
Derivative Positions Eligible for Offset with Related Cash Collateral The table below summarizes the derivative positions presented in the balance sheets where a right of setoff exists under these arrangements and related cash collateral received or pledged.
AssetsLiabilities
  Eligible for Offset  Eligible for Offset 
GrossDerivative
Instruments
Cash
Collateral
Received
NetGrossDerivative
Instruments
Cash
Collateral
Pledged
Net
June 30, 2025        
Derivatives        
PPL$12 $$— $$13 $$— $10 
LG&E— — — — — — 
 AssetsLiabilities
  Eligible for Offset  Eligible for Offset 
GrossDerivative
Instruments
Cash
Collateral
Received
NetGrossDerivative
Instruments
Cash
Collateral
Pledged
Net
December 31, 2024       
Derivatives       
PPL$$$— $$16 $$— $11 
LG&E— — — — — — 
 
Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location
The following tables present the pre-tax effect of derivative instruments recognized in income, OCI or regulatory assets and regulatory liabilities for the period ended June 30, 2025.

Three MonthsSix Months Three MonthsSix Months
Derivative
Relationships
Derivative Gain
(Loss) Recognized in
OCI
Derivative Gain
(Loss) Recognized in
OCI
Location of Gain (Loss)
Recognized in Income
on Derivative
Gain (Loss)
Reclassified
from AOCI
into Income
Gain (Loss)
Reclassified
from AOCI
into Income
Cash Flow Hedges:     
Interest rate derivatives$$Interest expense$(1)$(2)
Derivatives Not Designated as
Hedging Instruments
Location of Gain (Loss) Recognized in
Income on Derivative
Three MonthsSix Months
Gas contractsEnergy purchases$— $(5)
Total$— $(5)
Derivatives Not Designated as
Hedging Instruments
Location of Gain (Loss) Recognized as
Regulatory Liabilities/Assets
Three MonthsSix Months
Interest rate derivativesRegulatory assets - noncurrent$(1)$(2)
Gas contractsRegulatory liabilities - current(12)
Regulatory assets - noncurrent(1)— 
Total$(14)$
The following tables present the pre-tax effect of derivative instruments recognized in income, OCI or regulatory assets and regulatory liabilities for the period ended June 30, 2024.
 Three MonthsSix Months Three MonthsSix Months
Derivative
Relationships
Derivative Gain
(Loss) Recognized in
OCI
Derivative Gain
(Loss) Recognized in
OCI
Location of Gain (Loss)
Recognized in Income
on Derivative
Gain (Loss)
Reclassified
from AOCI
into Income
Gain (Loss)
Reclassified
from AOCI
into Income
Cash Flow Hedges:     
Interest rate derivatives$— $— Interest expense$(1)$(2)
Derivatives Not Designated as
Hedging Instruments
Location of Gain (Loss) Recognized in
Income on Derivative
Three MonthsSix Months
Gas contractsEnergy purchases$(9)$(25)
Total$(9)$(25)
Derivatives Not Designated as
Hedging Instruments
Location of Gain (Loss) Recognized as
Regulatory Liabilities/Assets
Three MonthsSix Months
Interest rate derivativesRegulatory assets - noncurrent$$
Gas contractsRegulatory assets - current11 33 
Regulatory assets - noncurrent
Total$14 $41 
Louisville Gas And Electric Co [Member]    
Derivative Instruments And Hedging Activities [Line Items]    
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value
The following table presents the fair value and the location on the Balance Sheets of derivatives not designated as hedging instruments.

June 30, 2025December 31, 2024
 AssetsLiabilities AssetsLiabilities
Noncurrent:     
Price Risk Management Assets/Liabilities:     
Interest rate derivatives$— $ $— $
Total noncurrent—  — 
Total derivatives$— $ $— $
 
Derivative Instruments, Gain (Loss)
The following tables present the pre-tax effect of derivatives not designated as cash flow hedges that are recognized in income or regulatory assets for the period ended June 30, 2025.
Location of Gain (Loss) Recognized in  
Derivative InstrumentsIncome on DerivativesThree MonthsSix Months
Interest rate derivativesInterest expense$— $— 
 Location of Gain (Loss) Recognized in  
Derivative InstrumentsRegulatory AssetsThree MonthsSix Months
Interest rate derivatives
Regulatory assets - noncurrent$(1)$(2)
The following tables present the pre-tax effect of derivatives not designated as cash flow hedges that are recognized in income or regulatory assets for the period ended June 30, 2024. 
 Location of Gain (Loss) Recognized in  
Derivative InstrumentsIncome on DerivativesThree MonthsSix Months
Interest rate derivativesInterest expense$— $— 
 Location of Gain (Loss) Recognized in  
Derivative InstrumentsRegulatory AssetsThree MonthsSix Months
Interest rate derivativesRegulatory assets - noncurrent$$
Derivative Positions Eligible for Offset with Related Cash Collateral The table below summarizes the derivative positions presented in the balance sheets where a right of setoff exists under these arrangements and related cash collateral received or pledged.
AssetsLiabilities
  Eligible for Offset  Eligible for Offset 
GrossDerivative
Instruments
Cash
Collateral
Received
NetGrossDerivative
Instruments
Cash
Collateral
Pledged
Net
June 30, 2025        
Derivatives        
PPL$12 $$— $$13 $$— $10 
LG&E— — — — — — 
 AssetsLiabilities
  Eligible for Offset  Eligible for Offset 
GrossDerivative
Instruments
Cash
Collateral
Received
NetGrossDerivative
Instruments
Cash
Collateral
Pledged
Net
December 31, 2024       
Derivatives       
PPL$$$— $$16 $$— $11 
LG&E— — — — — —