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Risk Management And Fair Values (Tables)
12 Months Ended
Dec. 31, 2025
Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]
The fair values of Entergy’s derivative instruments not designated as hedging instruments on the consolidated balance sheets as of December 31, 2025 and 2024 are shown in the table below. Certain investments, including those not designated as hedging instruments, are subject to master netting agreements and are presented in the balance sheet on a net basis in accordance with accounting guidance for derivatives and hedging.
InstrumentBalance Sheet LocationGross Fair Value (a)Offsetting Position (b)Net Fair Value (c) (d)
(In Millions)
2025
Assets:
Financial transmission rightsPrepayments and other$27$—$27
Interest rate swapsPrepayments and other$1$—$1
Liabilities:
Natural gas swapsOther current liabilities$5$—$5
Interest rate swapsOther non-current liabilities$3$—$3
2024
Assets:   
Natural gas swapsPrepayments and other$2$—$2
Financial transmission rightsPrepayments and other$21($1)$20
    
Liabilities:   
Financial transmission rightsOther current liabilities($—)$1$1

(a)Represents the gross amounts of recognized assets/liabilities
(b)Represents the netting of fair value balances with the same counterparty
(c)Represents the net amounts of assets/liabilities presented on the Entergy Corporation and Subsidiaries’ Consolidated Balance Sheets
(d)Excludes letters of credit posted with MISO to cover financial transmission rights exposure in the amount of $2 million as of December 31, 2025 and December 31, 2024
Derivatives Not Designated as Hedging Instruments [Table Text Block]
The effects of Entergy’s derivative instruments not designated as hedging instruments on the consolidated income statements for the years ended December 31, 2025, 2024, and 2023 are as follows:
InstrumentIncome Statement LocationAmount of gain (loss) recorded in the income statement
  (In Millions)
2025  
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($8)
Financial transmission rightsPurchased power expense(b)$195
Interest rate swapsInterest expense(c)($2)
   
2024  
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($8)
Financial transmission rightsPurchased power expense(b)$164
  
2023 
Natural gas swaps and options
Fuel, fuel-related expenses, and gas purchased for resale(a)($54)
Financial transmission rightsPurchased power expense(b)$124

(a)Due to regulatory treatment, the natural gas swaps and options are marked-to-market through fuel, fuel-related expenses, and gas purchased for resale and then such amounts are simultaneously reversed and recorded as an offsetting regulatory asset or liability.  The gains or losses recorded as fuel expenses when the swaps and options are settled are recovered or refunded through fuel cost recovery mechanisms.
(b)Due to regulatory treatment, the changes in the estimated fair value of financial transmission rights for the Utility operating companies are recorded through purchased power expense and then such amounts are simultaneously reversed and recorded as an offsetting regulatory asset or liability.  The gains or losses recorded as purchased power expense when the financial transmission rights for the Utility operating companies are settled are recovered or refunded through fuel cost recovery mechanisms.
(c)Due to regulatory treatment, the changes in the estimated fair value of the interest rate swaps for Entergy Texas are recorded through interest expense and then such amounts are simultaneously reversed and recorded as an offsetting regulatory asset or liability. The gains or losses recorded as interest expense when the interest rate swaps for Entergy Texas are settled are expected to be recovered in ratemaking relating to the Legend Power Station. See Note 8 to the financial statements for discussion of the build-to-suit lease arrangement for the Legend Power Station.
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
The following tables set forth, by level within the fair value hierarchy, Entergy’s assets and liabilities that are accounted for at fair value on a recurring basis as of December 31, 2025 and December 31, 2024.  The assessment of the significance of a particular input to a fair value measurement requires judgment and may affect placement within the fair value hierarchy levels.
2025Level 1Level 2Level 3Total
(In Millions)
Assets:
Temporary cash investments$1,883 $— $— $1,883 
Decommissioning trust funds (a):
Equity securities51 — — 51 
Debt securities905 1,297 — 2,202 
Common trusts (b)4,048 
Securitization recovery trust account— — 
Storm reserve escrow accounts309 — — 309 
Financial transmission rights— — 27 27 
Interest rate swaps— — 
$3,149 $1,298 $27 $8,522 
Liabilities:
Natural gas swaps$5 $— $— $5 
Interest rate swaps— — 
$5 $3 $— $8 

2024Level 1Level 2Level 3Total
(In Millions)
Assets:
Temporary cash investments$811 $— $— $811 
Decommissioning trust funds (a):
Equity securities30 — — 30 
Debt securities848 1,199 — 2,047 
Common trusts (b)3,486 
Securitization recovery trust account— — 
Storm reserve escrow accounts340 — — 340 
Natural gas swaps— — 
Financial transmission rights— — 20 20 
$2,035 $1,199 $20 $6,740 
Liabilities:
Financial transmission rights$— $— $1 $1 

(a)The decommissioning trust funds hold equity and fixed income securities. Equity securities are invested to approximate the returns of major market indices.  Fixed income securities are held in various governmental and corporate securities. See Note 16 to the financial statements for additional information on the investment portfolios.
(b)Common trust funds are not publicly quoted and are valued by the fund administrators using net asset value as a practical expedient. Accordingly, these funds are not assigned a level in the fair value table. The fund administrator of these investments allows daily trading at the net asset value and trades settle at a later date.
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation
The following table sets forth a reconciliation of changes in the net assets for the fair value of financial transmission rights classified as Level 3 in the fair value hierarchy for the years ended December 31, 2025, 2024, and 2023:
 202520242023
 
(In Millions)
Balance as of January 1,$20 $21 $19 
Issuances of financial transmission rights49 53 42 
Gains included as a regulatory liability/asset
153 110 84 
Settlements(195)(164)(124)
Balance as of December 31,$27 $20 $21 
Entergy Arkansas [Member]  
Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]
The fair values of derivative instruments not designated as hedging instruments on the Registrant Subsidiaries’ balance sheets as of December 31, 2025 and 2024 are shown in the tables below. Certain investments, including those not designated as hedging instruments, are subject to master netting agreements and are presented in the balance sheet on a net basis in accordance with accounting guidance for derivatives and hedging.
InstrumentBalance Sheet LocationGross Fair Value (a)Offsetting Position (b)Net Fair Value (c) (d)Registrant
  (In Millions) 
2025   
Assets:   
Financial transmission rightsPrepayments and other$5.5$—$5.5Entergy Arkansas
Financial transmission rightsPrepayments and other$16.8($0.1)$16.7Entergy Louisiana
Financial transmission rightsPrepayments and other$0.4$—$0.4Entergy Mississippi
Financial transmission rightsPrepayments and other$1.8$—$1.8Entergy New Orleans
Financial transmission rightsPrepayments and other$2.3($0.2)$2.1Entergy Texas
Interest rate swapsPrepayments and other$0.5$—$0.5Entergy Texas
Liabilities:
Natural gas swapsOther current liabilities$5.3$—$5.3Entergy Mississippi
Interest rate swapsOther non-current liabilities$3.0$—$3.0Entergy Texas
2024
Assets:
Natural gas swapsPrepayments and other$1.6$—$1.6Entergy Mississippi
Financial transmission rightsPrepayments and other$8.6($0.1)$8.5Entergy Arkansas
Financial transmission rightsPrepayments and other$8.7($0.1)$8.6Entergy Louisiana
Financial transmission rightsPrepayments and other$1.3$—$1.3Entergy New Orleans
Financial transmission rightsPrepayments and other$2.0($0.1)$1.9Entergy Texas
Liabilities:
Financial transmission rightsOther current liabilities($0.4)$0.9$0.5Entergy Mississippi

(a)Represents the gross amounts of recognized assets/liabilities
(b)Represents the netting of fair value balances with the same counterparty
(c)Represents the net amounts of assets/liabilities presented on the Registrant Subsidiaries’ balance sheets
(d)Excludes letters of credit posted with MISO to cover financial transmission rights exposure in the amount of $0.1 million for Entergy Arkansas, $0.8 million for Entergy Louisiana, $0.8 million for Entergy Mississippi, and $0.1 million for Entergy Texas as of December 31, 2025 and in the amount of $0.5 million for Entergy
Arkansas, $0.1 million for Entergy Louisiana, $0.8 million for Entergy Mississippi, $0.1 million for Entergy New Orleans, and $0.3 million for Entergy Texas as of December 31, 2024
Derivatives Not Designated as Hedging Instruments [Table Text Block]
The effects of derivative instruments not designated as hedging instruments on the Registrant Subsidiaries’ income statements for the years ended December 31, 2025, 2024, and 2023 are as follows:
InstrumentIncome Statement LocationAmount of gain (loss) recorded in the income statementRegistrant
  (In Millions) 
2025   
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($8.4)Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$51.3Entergy Arkansas
Financial transmission rightsPurchased power expense(b)$101.0Entergy Louisiana
Financial transmission rightsPurchased power expense(b)$11.5Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$15.0Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$15.8Entergy Texas
Interest rate swapsInterest expense(c)($2.5)Entergy Texas
2024   
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($7.0)Entergy Mississippi
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($0.5)Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$59.8Entergy Arkansas
Financial transmission rightsPurchased power expense(b)$71.7Entergy Louisiana
Financial transmission rightsPurchased power expense(b)$7.5Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$6.9Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$17.8Entergy Texas
2023   
Natural gas swaps and optionsFuel, fuel-related expenses, and gas purchased for resale(a)($8.4)Entergy Louisiana
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($42.9)Entergy Mississippi
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($3.0)Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$25.8Entergy Arkansas
Financial transmission rightsPurchased power expense(b)$60.4Entergy Louisiana
Financial transmission rightsPurchased power expense(b)$13.7Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$6.4Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$17.3Entergy Texas

(a)Due to regulatory treatment, the natural gas swaps and options are marked-to-market through fuel, fuel-related expenses, and gas purchased for resale and then such amounts are simultaneously reversed and
recorded as an offsetting regulatory asset or liability.  The gains or losses recorded as fuel expenses when the swaps and options are settled are recovered or refunded through fuel cost recovery mechanisms.
(b)Due to regulatory treatment, the changes in the estimated fair value of financial transmission rights for the Utility operating companies are recorded through purchased power expense and then such amounts are simultaneously reversed and recorded as an offsetting regulatory asset or liability.  The gains or losses recorded as purchased power expense when the financial transmission rights for the Utility operating companies are settled are recovered or refunded through fuel cost recovery mechanisms.
(c)Due to regulatory treatment, the changes in the estimated fair value of the interest rate swaps for Entergy Texas are recorded through interest expense and then such amounts are simultaneously reversed and recorded as an offsetting regulatory asset or liability. The gains or losses recorded as interest expense when the interest rate swaps for Entergy Texas are settled are expected to be recovered in ratemaking relating to the Legend Power Station. See Note 8 to the financial statements for discussion of the build-to-suit lease arrangement for the Legend Power Station.
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Entergy Arkansas
2025Level 1Level 2Level 3Total
(In Millions)
Assets:
Temporary cash investments$268.5 $— $— $268.5 
Decommissioning trust funds (a):
Equity securities20.0 — — 20.0 
Debt securities251.9 362.1 — 614.0 
Common trusts (b)1,182.3 
Financial transmission rights— — 5.5 5.5 
$540.4 $362.1 $5.5 $2,090.3 
2024Level 1Level 2Level 3Total
(In Millions)
Assets:
Temporary cash investments$3.4 $— $— $3.4 
Decommissioning trust funds (a):
Equity securities12.9 — — 12.9 
Debt securities259.9 319.1 — 579.0 
Common trusts (b)1,012.5 
Financial transmission rights— — 8.5 8.5 
$276.2 $319.1 $8.5 $1,616.3 
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation
The following table sets forth a reconciliation of changes in the net assets (liabilities) for the fair value of financial transmission rights classified as Level 3 in the fair value hierarchy for the year ended December 31, 2025.
Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy Texas
 (In Millions)
Balance as of January 1, 2025
$8.5 $8.6 ($0.5)$1.3 $1.9 
Issuances of financial transmission rights11.8 28.7 1.5 2.9 4.0 
Gains included as a regulatory liability/asset
36.5 80.4 10.9 12.6 12.0 
Settlements(51.3)(101.0)(11.5)(15.0)(15.8)
Balance as of December 31, 2025
$5.5 $16.7 $0.4 $1.8 $2.1 

The following table sets forth a reconciliation of changes in the net assets (liabilities) for the fair value of financial transmission rights classified as Level 3 in the fair value hierarchy for the year ended December 31, 2024.
Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy Texas
 (In Millions)
Balance as of January 1, 2024
$6.0 $9.8 $1.4 $1.1 $2.4 
Issuances of financial transmission rights17.6 21.6 3.9 2.8 7.3 
Gains included as a regulatory liability/asset
44.7 48.9 1.7 4.3 10.0 
Settlements(59.8)(71.7)(7.5)(6.9)(17.8)
Balance as of December 31, 2024
$8.5 $8.6 ($0.5)$1.3 $1.9 
Entergy Louisiana [Member]  
Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]
The fair values of derivative instruments not designated as hedging instruments on the Registrant Subsidiaries’ balance sheets as of December 31, 2025 and 2024 are shown in the tables below. Certain investments, including those not designated as hedging instruments, are subject to master netting agreements and are presented in the balance sheet on a net basis in accordance with accounting guidance for derivatives and hedging.
InstrumentBalance Sheet LocationGross Fair Value (a)Offsetting Position (b)Net Fair Value (c) (d)Registrant
  (In Millions) 
2025   
Assets:   
Financial transmission rightsPrepayments and other$5.5$—$5.5Entergy Arkansas
Financial transmission rightsPrepayments and other$16.8($0.1)$16.7Entergy Louisiana
Financial transmission rightsPrepayments and other$0.4$—$0.4Entergy Mississippi
Financial transmission rightsPrepayments and other$1.8$—$1.8Entergy New Orleans
Financial transmission rightsPrepayments and other$2.3($0.2)$2.1Entergy Texas
Interest rate swapsPrepayments and other$0.5$—$0.5Entergy Texas
Liabilities:
Natural gas swapsOther current liabilities$5.3$—$5.3Entergy Mississippi
Interest rate swapsOther non-current liabilities$3.0$—$3.0Entergy Texas
2024
Assets:
Natural gas swapsPrepayments and other$1.6$—$1.6Entergy Mississippi
Financial transmission rightsPrepayments and other$8.6($0.1)$8.5Entergy Arkansas
Financial transmission rightsPrepayments and other$8.7($0.1)$8.6Entergy Louisiana
Financial transmission rightsPrepayments and other$1.3$—$1.3Entergy New Orleans
Financial transmission rightsPrepayments and other$2.0($0.1)$1.9Entergy Texas
Liabilities:
Financial transmission rightsOther current liabilities($0.4)$0.9$0.5Entergy Mississippi

(a)Represents the gross amounts of recognized assets/liabilities
(b)Represents the netting of fair value balances with the same counterparty
(c)Represents the net amounts of assets/liabilities presented on the Registrant Subsidiaries’ balance sheets
(d)Excludes letters of credit posted with MISO to cover financial transmission rights exposure in the amount of $0.1 million for Entergy Arkansas, $0.8 million for Entergy Louisiana, $0.8 million for Entergy Mississippi, and $0.1 million for Entergy Texas as of December 31, 2025 and in the amount of $0.5 million for Entergy
Arkansas, $0.1 million for Entergy Louisiana, $0.8 million for Entergy Mississippi, $0.1 million for Entergy New Orleans, and $0.3 million for Entergy Texas as of December 31, 2024
Derivatives Not Designated as Hedging Instruments [Table Text Block]
The effects of derivative instruments not designated as hedging instruments on the Registrant Subsidiaries’ income statements for the years ended December 31, 2025, 2024, and 2023 are as follows:
InstrumentIncome Statement LocationAmount of gain (loss) recorded in the income statementRegistrant
  (In Millions) 
2025   
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($8.4)Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$51.3Entergy Arkansas
Financial transmission rightsPurchased power expense(b)$101.0Entergy Louisiana
Financial transmission rightsPurchased power expense(b)$11.5Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$15.0Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$15.8Entergy Texas
Interest rate swapsInterest expense(c)($2.5)Entergy Texas
2024   
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($7.0)Entergy Mississippi
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($0.5)Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$59.8Entergy Arkansas
Financial transmission rightsPurchased power expense(b)$71.7Entergy Louisiana
Financial transmission rightsPurchased power expense(b)$7.5Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$6.9Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$17.8Entergy Texas
2023   
Natural gas swaps and optionsFuel, fuel-related expenses, and gas purchased for resale(a)($8.4)Entergy Louisiana
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($42.9)Entergy Mississippi
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($3.0)Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$25.8Entergy Arkansas
Financial transmission rightsPurchased power expense(b)$60.4Entergy Louisiana
Financial transmission rightsPurchased power expense(b)$13.7Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$6.4Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$17.3Entergy Texas

(a)Due to regulatory treatment, the natural gas swaps and options are marked-to-market through fuel, fuel-related expenses, and gas purchased for resale and then such amounts are simultaneously reversed and
recorded as an offsetting regulatory asset or liability.  The gains or losses recorded as fuel expenses when the swaps and options are settled are recovered or refunded through fuel cost recovery mechanisms.
(b)Due to regulatory treatment, the changes in the estimated fair value of financial transmission rights for the Utility operating companies are recorded through purchased power expense and then such amounts are simultaneously reversed and recorded as an offsetting regulatory asset or liability.  The gains or losses recorded as purchased power expense when the financial transmission rights for the Utility operating companies are settled are recovered or refunded through fuel cost recovery mechanisms.
(c)Due to regulatory treatment, the changes in the estimated fair value of the interest rate swaps for Entergy Texas are recorded through interest expense and then such amounts are simultaneously reversed and recorded as an offsetting regulatory asset or liability. The gains or losses recorded as interest expense when the interest rate swaps for Entergy Texas are settled are expected to be recovered in ratemaking relating to the Legend Power Station. See Note 8 to the financial statements for discussion of the build-to-suit lease arrangement for the Legend Power Station.
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Entergy Louisiana
2025Level 1Level 2Level 3Total
(In Millions)
Assets:
Temporary cash investments$776.7 $— $— $776.7 
Decommissioning trust funds (a):
Equity securities22.8 — — 22.8 
Debt securities373.2 619.4 — 992.6 
Common trusts (b)1,738.4 
Storm reserve escrow account235.0 — — 235.0 
Financial transmission rights— — 16.7 16.7 
$1,407.7 $619.4 $16.7 $3,782.2 

2024Level 1Level 2Level 3Total
(In Millions)
Assets:
Temporary cash investments$326.8 $— $— $326.8 
Decommissioning trust funds (a):
Equity securities14.5 — — 14.5 
Debt securities326.0 582.1 — 908.1 
Common trusts (b)1,506.5 
Storm reserve escrow account256.7 — — 256.7 
Financial transmission rights— — 8.6 8.6 
$924.0 $582.1 $8.6 $3,021.2 
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation
The following table sets forth a reconciliation of changes in the net assets (liabilities) for the fair value of financial transmission rights classified as Level 3 in the fair value hierarchy for the year ended December 31, 2025.
Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy Texas
 (In Millions)
Balance as of January 1, 2025
$8.5 $8.6 ($0.5)$1.3 $1.9 
Issuances of financial transmission rights11.8 28.7 1.5 2.9 4.0 
Gains included as a regulatory liability/asset
36.5 80.4 10.9 12.6 12.0 
Settlements(51.3)(101.0)(11.5)(15.0)(15.8)
Balance as of December 31, 2025
$5.5 $16.7 $0.4 $1.8 $2.1 

The following table sets forth a reconciliation of changes in the net assets (liabilities) for the fair value of financial transmission rights classified as Level 3 in the fair value hierarchy for the year ended December 31, 2024.
Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy Texas
 (In Millions)
Balance as of January 1, 2024
$6.0 $9.8 $1.4 $1.1 $2.4 
Issuances of financial transmission rights17.6 21.6 3.9 2.8 7.3 
Gains included as a regulatory liability/asset
44.7 48.9 1.7 4.3 10.0 
Settlements(59.8)(71.7)(7.5)(6.9)(17.8)
Balance as of December 31, 2024
$8.5 $8.6 ($0.5)$1.3 $1.9 
Entergy Mississippi [Member]  
Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]
The fair values of derivative instruments not designated as hedging instruments on the Registrant Subsidiaries’ balance sheets as of December 31, 2025 and 2024 are shown in the tables below. Certain investments, including those not designated as hedging instruments, are subject to master netting agreements and are presented in the balance sheet on a net basis in accordance with accounting guidance for derivatives and hedging.
InstrumentBalance Sheet LocationGross Fair Value (a)Offsetting Position (b)Net Fair Value (c) (d)Registrant
  (In Millions) 
2025   
Assets:   
Financial transmission rightsPrepayments and other$5.5$—$5.5Entergy Arkansas
Financial transmission rightsPrepayments and other$16.8($0.1)$16.7Entergy Louisiana
Financial transmission rightsPrepayments and other$0.4$—$0.4Entergy Mississippi
Financial transmission rightsPrepayments and other$1.8$—$1.8Entergy New Orleans
Financial transmission rightsPrepayments and other$2.3($0.2)$2.1Entergy Texas
Interest rate swapsPrepayments and other$0.5$—$0.5Entergy Texas
Liabilities:
Natural gas swapsOther current liabilities$5.3$—$5.3Entergy Mississippi
Interest rate swapsOther non-current liabilities$3.0$—$3.0Entergy Texas
2024
Assets:
Natural gas swapsPrepayments and other$1.6$—$1.6Entergy Mississippi
Financial transmission rightsPrepayments and other$8.6($0.1)$8.5Entergy Arkansas
Financial transmission rightsPrepayments and other$8.7($0.1)$8.6Entergy Louisiana
Financial transmission rightsPrepayments and other$1.3$—$1.3Entergy New Orleans
Financial transmission rightsPrepayments and other$2.0($0.1)$1.9Entergy Texas
Liabilities:
Financial transmission rightsOther current liabilities($0.4)$0.9$0.5Entergy Mississippi

(a)Represents the gross amounts of recognized assets/liabilities
(b)Represents the netting of fair value balances with the same counterparty
(c)Represents the net amounts of assets/liabilities presented on the Registrant Subsidiaries’ balance sheets
(d)Excludes letters of credit posted with MISO to cover financial transmission rights exposure in the amount of $0.1 million for Entergy Arkansas, $0.8 million for Entergy Louisiana, $0.8 million for Entergy Mississippi, and $0.1 million for Entergy Texas as of December 31, 2025 and in the amount of $0.5 million for Entergy
Arkansas, $0.1 million for Entergy Louisiana, $0.8 million for Entergy Mississippi, $0.1 million for Entergy New Orleans, and $0.3 million for Entergy Texas as of December 31, 2024
Derivatives Not Designated as Hedging Instruments [Table Text Block]
The effects of derivative instruments not designated as hedging instruments on the Registrant Subsidiaries’ income statements for the years ended December 31, 2025, 2024, and 2023 are as follows:
InstrumentIncome Statement LocationAmount of gain (loss) recorded in the income statementRegistrant
  (In Millions) 
2025   
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($8.4)Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$51.3Entergy Arkansas
Financial transmission rightsPurchased power expense(b)$101.0Entergy Louisiana
Financial transmission rightsPurchased power expense(b)$11.5Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$15.0Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$15.8Entergy Texas
Interest rate swapsInterest expense(c)($2.5)Entergy Texas
2024   
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($7.0)Entergy Mississippi
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($0.5)Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$59.8Entergy Arkansas
Financial transmission rightsPurchased power expense(b)$71.7Entergy Louisiana
Financial transmission rightsPurchased power expense(b)$7.5Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$6.9Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$17.8Entergy Texas
2023   
Natural gas swaps and optionsFuel, fuel-related expenses, and gas purchased for resale(a)($8.4)Entergy Louisiana
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($42.9)Entergy Mississippi
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($3.0)Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$25.8Entergy Arkansas
Financial transmission rightsPurchased power expense(b)$60.4Entergy Louisiana
Financial transmission rightsPurchased power expense(b)$13.7Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$6.4Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$17.3Entergy Texas

(a)Due to regulatory treatment, the natural gas swaps and options are marked-to-market through fuel, fuel-related expenses, and gas purchased for resale and then such amounts are simultaneously reversed and
recorded as an offsetting regulatory asset or liability.  The gains or losses recorded as fuel expenses when the swaps and options are settled are recovered or refunded through fuel cost recovery mechanisms.
(b)Due to regulatory treatment, the changes in the estimated fair value of financial transmission rights for the Utility operating companies are recorded through purchased power expense and then such amounts are simultaneously reversed and recorded as an offsetting regulatory asset or liability.  The gains or losses recorded as purchased power expense when the financial transmission rights for the Utility operating companies are settled are recovered or refunded through fuel cost recovery mechanisms.
(c)Due to regulatory treatment, the changes in the estimated fair value of the interest rate swaps for Entergy Texas are recorded through interest expense and then such amounts are simultaneously reversed and recorded as an offsetting regulatory asset or liability. The gains or losses recorded as interest expense when the interest rate swaps for Entergy Texas are settled are expected to be recovered in ratemaking relating to the Legend Power Station. See Note 8 to the financial statements for discussion of the build-to-suit lease arrangement for the Legend Power Station.
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Entergy Mississippi
2025Level 1Level 2Level 3Total
(In Millions)
Assets:
Temporary cash investments$341.5 $— $— $341.5 
Financial transmission rights— — 0.4 0.4 
$341.5 $— $0.4 $341.9 
Liabilities:
Natural gas swaps$5.3 $— $— $5.3 

2024Level 1Level 2Level 3Total
(In Millions)
Assets:
Temporary cash investments$155.5 $— $— $155.5 
Natural gas swaps1.6 — — 1.6 
$157.1 $— $— $157.1 
Liabilities:
Financial transmission rights$— $— $0.5 $0.5 
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation
The following table sets forth a reconciliation of changes in the net assets (liabilities) for the fair value of financial transmission rights classified as Level 3 in the fair value hierarchy for the year ended December 31, 2025.
Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy Texas
 (In Millions)
Balance as of January 1, 2025
$8.5 $8.6 ($0.5)$1.3 $1.9 
Issuances of financial transmission rights11.8 28.7 1.5 2.9 4.0 
Gains included as a regulatory liability/asset
36.5 80.4 10.9 12.6 12.0 
Settlements(51.3)(101.0)(11.5)(15.0)(15.8)
Balance as of December 31, 2025
$5.5 $16.7 $0.4 $1.8 $2.1 

The following table sets forth a reconciliation of changes in the net assets (liabilities) for the fair value of financial transmission rights classified as Level 3 in the fair value hierarchy for the year ended December 31, 2024.
Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy Texas
 (In Millions)
Balance as of January 1, 2024
$6.0 $9.8 $1.4 $1.1 $2.4 
Issuances of financial transmission rights17.6 21.6 3.9 2.8 7.3 
Gains included as a regulatory liability/asset
44.7 48.9 1.7 4.3 10.0 
Settlements(59.8)(71.7)(7.5)(6.9)(17.8)
Balance as of December 31, 2024
$8.5 $8.6 ($0.5)$1.3 $1.9 
Entergy New Orleans [Member]  
Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]
The fair values of derivative instruments not designated as hedging instruments on the Registrant Subsidiaries’ balance sheets as of December 31, 2025 and 2024 are shown in the tables below. Certain investments, including those not designated as hedging instruments, are subject to master netting agreements and are presented in the balance sheet on a net basis in accordance with accounting guidance for derivatives and hedging.
InstrumentBalance Sheet LocationGross Fair Value (a)Offsetting Position (b)Net Fair Value (c) (d)Registrant
  (In Millions) 
2025   
Assets:   
Financial transmission rightsPrepayments and other$5.5$—$5.5Entergy Arkansas
Financial transmission rightsPrepayments and other$16.8($0.1)$16.7Entergy Louisiana
Financial transmission rightsPrepayments and other$0.4$—$0.4Entergy Mississippi
Financial transmission rightsPrepayments and other$1.8$—$1.8Entergy New Orleans
Financial transmission rightsPrepayments and other$2.3($0.2)$2.1Entergy Texas
Interest rate swapsPrepayments and other$0.5$—$0.5Entergy Texas
Liabilities:
Natural gas swapsOther current liabilities$5.3$—$5.3Entergy Mississippi
Interest rate swapsOther non-current liabilities$3.0$—$3.0Entergy Texas
2024
Assets:
Natural gas swapsPrepayments and other$1.6$—$1.6Entergy Mississippi
Financial transmission rightsPrepayments and other$8.6($0.1)$8.5Entergy Arkansas
Financial transmission rightsPrepayments and other$8.7($0.1)$8.6Entergy Louisiana
Financial transmission rightsPrepayments and other$1.3$—$1.3Entergy New Orleans
Financial transmission rightsPrepayments and other$2.0($0.1)$1.9Entergy Texas
Liabilities:
Financial transmission rightsOther current liabilities($0.4)$0.9$0.5Entergy Mississippi

(a)Represents the gross amounts of recognized assets/liabilities
(b)Represents the netting of fair value balances with the same counterparty
(c)Represents the net amounts of assets/liabilities presented on the Registrant Subsidiaries’ balance sheets
(d)Excludes letters of credit posted with MISO to cover financial transmission rights exposure in the amount of $0.1 million for Entergy Arkansas, $0.8 million for Entergy Louisiana, $0.8 million for Entergy Mississippi, and $0.1 million for Entergy Texas as of December 31, 2025 and in the amount of $0.5 million for Entergy
Arkansas, $0.1 million for Entergy Louisiana, $0.8 million for Entergy Mississippi, $0.1 million for Entergy New Orleans, and $0.3 million for Entergy Texas as of December 31, 2024
Derivatives Not Designated as Hedging Instruments [Table Text Block]
The effects of derivative instruments not designated as hedging instruments on the Registrant Subsidiaries’ income statements for the years ended December 31, 2025, 2024, and 2023 are as follows:
InstrumentIncome Statement LocationAmount of gain (loss) recorded in the income statementRegistrant
  (In Millions) 
2025   
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($8.4)Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$51.3Entergy Arkansas
Financial transmission rightsPurchased power expense(b)$101.0Entergy Louisiana
Financial transmission rightsPurchased power expense(b)$11.5Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$15.0Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$15.8Entergy Texas
Interest rate swapsInterest expense(c)($2.5)Entergy Texas
2024   
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($7.0)Entergy Mississippi
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($0.5)Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$59.8Entergy Arkansas
Financial transmission rightsPurchased power expense(b)$71.7Entergy Louisiana
Financial transmission rightsPurchased power expense(b)$7.5Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$6.9Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$17.8Entergy Texas
2023   
Natural gas swaps and optionsFuel, fuel-related expenses, and gas purchased for resale(a)($8.4)Entergy Louisiana
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($42.9)Entergy Mississippi
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($3.0)Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$25.8Entergy Arkansas
Financial transmission rightsPurchased power expense(b)$60.4Entergy Louisiana
Financial transmission rightsPurchased power expense(b)$13.7Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$6.4Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$17.3Entergy Texas

(a)Due to regulatory treatment, the natural gas swaps and options are marked-to-market through fuel, fuel-related expenses, and gas purchased for resale and then such amounts are simultaneously reversed and
recorded as an offsetting regulatory asset or liability.  The gains or losses recorded as fuel expenses when the swaps and options are settled are recovered or refunded through fuel cost recovery mechanisms.
(b)Due to regulatory treatment, the changes in the estimated fair value of financial transmission rights for the Utility operating companies are recorded through purchased power expense and then such amounts are simultaneously reversed and recorded as an offsetting regulatory asset or liability.  The gains or losses recorded as purchased power expense when the financial transmission rights for the Utility operating companies are settled are recovered or refunded through fuel cost recovery mechanisms.
(c)Due to regulatory treatment, the changes in the estimated fair value of the interest rate swaps for Entergy Texas are recorded through interest expense and then such amounts are simultaneously reversed and recorded as an offsetting regulatory asset or liability. The gains or losses recorded as interest expense when the interest rate swaps for Entergy Texas are settled are expected to be recovered in ratemaking relating to the Legend Power Station. See Note 8 to the financial statements for discussion of the build-to-suit lease arrangement for the Legend Power Station.
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Entergy New Orleans
2025Level 1Level 2Level 3Total
(In Millions)
Assets:
Temporary cash investments$110.2 $— $— $110.2 
Storm reserve escrow account73.8 — — 73.8 
Financial transmission rights— — 1.8 1.8 
$184.0 $— $1.8 $185.8 

2024Level 1Level 2Level 3Total
(In Millions)
Assets:
Temporary cash investments$31.4 $— $— $31.4 
Securitization recovery trust account1.6 — — $1.6 
Storm reserve escrow account83.7 — — 83.7 
Financial transmission rights— — 1.3 1.3 
$116.7 $— $1.3 $118.0 
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation
The following table sets forth a reconciliation of changes in the net assets (liabilities) for the fair value of financial transmission rights classified as Level 3 in the fair value hierarchy for the year ended December 31, 2025.
Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy Texas
 (In Millions)
Balance as of January 1, 2025
$8.5 $8.6 ($0.5)$1.3 $1.9 
Issuances of financial transmission rights11.8 28.7 1.5 2.9 4.0 
Gains included as a regulatory liability/asset
36.5 80.4 10.9 12.6 12.0 
Settlements(51.3)(101.0)(11.5)(15.0)(15.8)
Balance as of December 31, 2025
$5.5 $16.7 $0.4 $1.8 $2.1 

The following table sets forth a reconciliation of changes in the net assets (liabilities) for the fair value of financial transmission rights classified as Level 3 in the fair value hierarchy for the year ended December 31, 2024.
Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy Texas
 (In Millions)
Balance as of January 1, 2024
$6.0 $9.8 $1.4 $1.1 $2.4 
Issuances of financial transmission rights17.6 21.6 3.9 2.8 7.3 
Gains included as a regulatory liability/asset
44.7 48.9 1.7 4.3 10.0 
Settlements(59.8)(71.7)(7.5)(6.9)(17.8)
Balance as of December 31, 2024
$8.5 $8.6 ($0.5)$1.3 $1.9 
Entergy Texas [Member]  
Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]
The fair values of derivative instruments not designated as hedging instruments on the Registrant Subsidiaries’ balance sheets as of December 31, 2025 and 2024 are shown in the tables below. Certain investments, including those not designated as hedging instruments, are subject to master netting agreements and are presented in the balance sheet on a net basis in accordance with accounting guidance for derivatives and hedging.
InstrumentBalance Sheet LocationGross Fair Value (a)Offsetting Position (b)Net Fair Value (c) (d)Registrant
  (In Millions) 
2025   
Assets:   
Financial transmission rightsPrepayments and other$5.5$—$5.5Entergy Arkansas
Financial transmission rightsPrepayments and other$16.8($0.1)$16.7Entergy Louisiana
Financial transmission rightsPrepayments and other$0.4$—$0.4Entergy Mississippi
Financial transmission rightsPrepayments and other$1.8$—$1.8Entergy New Orleans
Financial transmission rightsPrepayments and other$2.3($0.2)$2.1Entergy Texas
Interest rate swapsPrepayments and other$0.5$—$0.5Entergy Texas
Liabilities:
Natural gas swapsOther current liabilities$5.3$—$5.3Entergy Mississippi
Interest rate swapsOther non-current liabilities$3.0$—$3.0Entergy Texas
2024
Assets:
Natural gas swapsPrepayments and other$1.6$—$1.6Entergy Mississippi
Financial transmission rightsPrepayments and other$8.6($0.1)$8.5Entergy Arkansas
Financial transmission rightsPrepayments and other$8.7($0.1)$8.6Entergy Louisiana
Financial transmission rightsPrepayments and other$1.3$—$1.3Entergy New Orleans
Financial transmission rightsPrepayments and other$2.0($0.1)$1.9Entergy Texas
Liabilities:
Financial transmission rightsOther current liabilities($0.4)$0.9$0.5Entergy Mississippi

(a)Represents the gross amounts of recognized assets/liabilities
(b)Represents the netting of fair value balances with the same counterparty
(c)Represents the net amounts of assets/liabilities presented on the Registrant Subsidiaries’ balance sheets
(d)Excludes letters of credit posted with MISO to cover financial transmission rights exposure in the amount of $0.1 million for Entergy Arkansas, $0.8 million for Entergy Louisiana, $0.8 million for Entergy Mississippi, and $0.1 million for Entergy Texas as of December 31, 2025 and in the amount of $0.5 million for Entergy
Arkansas, $0.1 million for Entergy Louisiana, $0.8 million for Entergy Mississippi, $0.1 million for Entergy New Orleans, and $0.3 million for Entergy Texas as of December 31, 2024
Derivatives Not Designated as Hedging Instruments [Table Text Block]
The effects of derivative instruments not designated as hedging instruments on the Registrant Subsidiaries’ income statements for the years ended December 31, 2025, 2024, and 2023 are as follows:
InstrumentIncome Statement LocationAmount of gain (loss) recorded in the income statementRegistrant
  (In Millions) 
2025   
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($8.4)Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$51.3Entergy Arkansas
Financial transmission rightsPurchased power expense(b)$101.0Entergy Louisiana
Financial transmission rightsPurchased power expense(b)$11.5Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$15.0Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$15.8Entergy Texas
Interest rate swapsInterest expense(c)($2.5)Entergy Texas
2024   
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($7.0)Entergy Mississippi
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($0.5)Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$59.8Entergy Arkansas
Financial transmission rightsPurchased power expense(b)$71.7Entergy Louisiana
Financial transmission rightsPurchased power expense(b)$7.5Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$6.9Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$17.8Entergy Texas
2023   
Natural gas swaps and optionsFuel, fuel-related expenses, and gas purchased for resale(a)($8.4)Entergy Louisiana
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($42.9)Entergy Mississippi
Natural gas swapsFuel, fuel-related expenses, and gas purchased for resale(a)($3.0)Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$25.8Entergy Arkansas
Financial transmission rightsPurchased power expense(b)$60.4Entergy Louisiana
Financial transmission rightsPurchased power expense(b)$13.7Entergy Mississippi
Financial transmission rightsPurchased power expense(b)$6.4Entergy New Orleans
Financial transmission rightsPurchased power expense(b)$17.3Entergy Texas

(a)Due to regulatory treatment, the natural gas swaps and options are marked-to-market through fuel, fuel-related expenses, and gas purchased for resale and then such amounts are simultaneously reversed and
recorded as an offsetting regulatory asset or liability.  The gains or losses recorded as fuel expenses when the swaps and options are settled are recovered or refunded through fuel cost recovery mechanisms.
(b)Due to regulatory treatment, the changes in the estimated fair value of financial transmission rights for the Utility operating companies are recorded through purchased power expense and then such amounts are simultaneously reversed and recorded as an offsetting regulatory asset or liability.  The gains or losses recorded as purchased power expense when the financial transmission rights for the Utility operating companies are settled are recovered or refunded through fuel cost recovery mechanisms.
(c)Due to regulatory treatment, the changes in the estimated fair value of the interest rate swaps for Entergy Texas are recorded through interest expense and then such amounts are simultaneously reversed and recorded as an offsetting regulatory asset or liability. The gains or losses recorded as interest expense when the interest rate swaps for Entergy Texas are settled are expected to be recovered in ratemaking relating to the Legend Power Station. See Note 8 to the financial statements for discussion of the build-to-suit lease arrangement for the Legend Power Station.
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Entergy Texas
2025Level 1Level 2Level 3Total
(In Millions)
Assets:
Temporary cash investments$274.9 $— $— $274.9 
Securitization recovery trust account1.5 — — 1.5 
Financial transmission rights— — 2.1 2.1 
Interest rate swaps— 0.5 — 0.5 
$276.4 $0.5 $2.1 $279.0 
Liabilities:
Interest rate swaps$— $3.0 $— $3.0 

2024Level 1Level 2Level 3Total
(In Millions)
Assets:
Temporary cash investments$184.7 $— $— $184.7 
Securitization recovery trust account2.7 — — 2.7 
Financial transmission rights— — 1.9 1.9 
$187.4 $— $1.9 $189.3 
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation
The following table sets forth a reconciliation of changes in the net assets (liabilities) for the fair value of financial transmission rights classified as Level 3 in the fair value hierarchy for the year ended December 31, 2025.
Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy Texas
 (In Millions)
Balance as of January 1, 2025
$8.5 $8.6 ($0.5)$1.3 $1.9 
Issuances of financial transmission rights11.8 28.7 1.5 2.9 4.0 
Gains included as a regulatory liability/asset
36.5 80.4 10.9 12.6 12.0 
Settlements(51.3)(101.0)(11.5)(15.0)(15.8)
Balance as of December 31, 2025
$5.5 $16.7 $0.4 $1.8 $2.1 

The following table sets forth a reconciliation of changes in the net assets (liabilities) for the fair value of financial transmission rights classified as Level 3 in the fair value hierarchy for the year ended December 31, 2024.
Entergy ArkansasEntergy LouisianaEntergy MississippiEntergy New OrleansEntergy Texas
 (In Millions)
Balance as of January 1, 2024
$6.0 $9.8 $1.4 $1.1 $2.4 
Issuances of financial transmission rights17.6 21.6 3.9 2.8 7.3 
Gains included as a regulatory liability/asset
44.7 48.9 1.7 4.3 10.0 
Settlements(59.8)(71.7)(7.5)(6.9)(17.8)
Balance as of December 31, 2024
$8.5 $8.6 ($0.5)$1.3 $1.9 
System Energy [Member]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
System Energy
2025Level 1Level 2Level 3Total
(In Millions)
Assets:
Decommissioning trust funds (a):
Equity securities8.6 — — 8.6 
Debt securities280.5 314.5 — 595.0 
Common trusts (b)1,127.1 
$289.1 $314.5 $— $1,730.7 

2024Level 1Level 2Level 3Total
(In Millions)
Assets:
Temporary cash investments$28.5 $— $— $28.5 
Decommissioning trust funds (a):
Equity securities2.4 — — $2.4 
Debt securities262.4 297.4 — 559.8 
Common trusts (b)966.9 
$293.3 $297.4 $— $1,557.6