Risk Management And Fair Values (Tables)
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6 Months Ended |
Jun. 30, 2026 |
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| 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 June 30, 2026 and December 31, 2025 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. | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instrument | | Balance Sheet Location | | Gross Fair Value (a) | | Offsetting Position (b) | | Net Fair Value (c) (d) | | | | | (In Millions) | | 2026 | | | | | | | | | | Assets: | | | | | | | | | | | | | | | | | | | | | | | | | | | | Financial transmission rights | | Prepayments and other | | $68 | | ($4) | | $64 | | | | | | | | | | | Interest rate swaps | | Prepayments and other | | $1 | | $— | | $1 | | | | | | | | | | | Interest rate swaps | | Other deferred debits and other assets | | $8 | | $— | | $8 | | | | | | | | | | | Liabilities: | | | | | | | | | | Natural gas swaps | | Other current liabilities | | $4 | | $— | | $4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2025 | | | | | | | | | | Assets: | | | | | | | | | | | | | | | | | | | | | | | | | | | | Financial transmission rights | | Prepayments and other | | $27 | | $— | | $27 | | | | | | | | | | | Interest rate swaps | | Prepayments and other | | $1 | | $— | | $1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Liabilities: | | | | | | | | | | Natural gas swaps | | Other current liabilities | | $5 | | $— | | $5 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Interest rate swaps | | Other non-current liabilities | | $3 | | $— | | $3 |
(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 $6 million as of June 30, 2026 and $2 million as of December 31, 2025
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| 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 three months ended June 30, 2026 and 2025 are as follows: | | | | | | | | | | | | | | | | | | | | | Instrument | | Income Statement
Location | | Amount of gain (loss)
recorded in the income statement | | | | | (In Millions) | | 2026 | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | (a) | ($1) | | Financial transmission rights | | Purchased power expense | (b) | $43 | | | | | | | Interest rate swaps | | Interest expense | (c) | ($5) | | | | | | | 2025 | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | (a) | $11 | | Financial transmission rights | | Purchased power expense | (b) | $66 | | | | | | | | | | | | | | | |
The effects of Entergy’s derivative instruments not designated as hedging instruments on the consolidated income statements for the six months ended June 30, 2026 and 2025 are as follows: | | | | | | | | | | | | | | | | | | | | | Instrument | | Income Statement
Location | | Amount of gain (loss)
recorded in the income statement | | | | | (In Millions) | | 2026 | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | (a) | $2 | | Financial transmission rights | | Purchased power expense | (b) | $87 | | Interest rate swaps | | Interest expense | (c) | ($9) | | | | | | | 2025 | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | (a) | ($1) | | Financial transmission rights | | Purchased power expense | (b) | $114 |
(a)Due to regulatory treatment, the natural gas swaps are marked-to-market through fuel, fuel-related expenses, and gas purchased for resale and 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 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 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 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 in the Form 10-K for discussion of the build-to-suit lease arrangement for the Legend Power Station.
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| 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 June 30, 2026 and December 31, 2025. 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. | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2026 | | Level 1 | | Level 2 | | Level 3 | | Total | | | (In Millions) | | Assets: | | | | | | | | | | Temporary cash investments | | $3,736 | | | $— | | | $— | | | $3,736 | | | | | | | | | | | | Decommissioning trust funds (a): | | | | | | | | | | | | | | | | | | | Equity securities | | 100 | | | — | | | — | | | 100 | | | Debt securities | | 1,038 | | | 1,428 | | | — | | | 2,466 | | | Common trusts (b) | | | | | | | | 4,156 | | | | | | | | | | | | Securitization recovery trust account | | 1 | | | — | | | — | | | 1 | | | Storm reserve escrow accounts | | 314 | | | — | | | — | | | 314 | | | | | | | | | | | | Financial transmission rights | | — | | | — | | | 64 | | | 64 | | | Interest rate swaps | | — | | | 9 | | | — | | | 9 | | | | $5,189 | | | $1,437 | | | $64 | | | $10,846 | | | | | | | | | | | | Liabilities: | | | | | | | | | | | | | | | | | | | Natural gas swaps | | $4 | | | $— | | | $— | | | $4 | | | | | | | | | | | | | $4 | | | $— | | | $— | | | $4 | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 2025 | | Level 1 | | Level 2 | | Level 3 | | Total | | | (In Millions) | | Assets: | | | | | | | | | | Temporary cash investments | | $1,883 | | | $— | | | $— | | | $1,883 | | | Decommissioning trust funds (a): | | | | | | | | | | Equity securities | | 51 | | | — | | | — | | | 51 | | | Debt securities | | 905 | | | 1,297 | | | — | | | 2,202 | | | Common trusts (b) | | | | | | | | 4,048 | | | | | | | | | | | | Securitization recovery trust account | | 1 | | | — | | | — | | | 1 | | | Storm reserve escrow accounts | | 309 | | | — | | | — | | | 309 | | | | | | | | | | | | Financial transmission rights | | — | | | — | | | 27 | | | 27 | | | Interest rate swaps | | — | | | 1 | | | — | | | 1 | | | | $3,149 | | | $1,298 | | | $27 | | | $8,522 | | | | | | | | | | | | Liabilities: | | | | | | | | | | | | | | | | | | | Natural gas swaps | | $5 | | | $— | | | $— | | | $5 | | | Interest rate swaps | | — | | | 3 | | | — | | | 3 | | | | $5 | | | $3 | | | $— | | | $8 | |
(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 9 to the financial statements herein 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.
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| 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 three months ended June 30, 2026 and 2025: | | | | | | | | | | | | | | | | | 2026 | | 2025 | | (In Millions) | | Balance as of April 1, | $11 | | | $7 | | | Issuances of financial transmission rights | 81 | | | 49 | | | Gains included as a regulatory liability/asset | 15 | | | 58 | | | Settlements | (43) | | | (66) | | | Balance as of June 30, | $64 | | | $48 | |
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 six months ended June 30, 2026 and 2025: | | | | | | | | | | | | | | | | | 2026 | | 2025 | | | | (In Millions) | | Balance as of January 1, | | | $27 | | | $20 | | | Issuances of financial transmission rights | | | 81 | | | 49 | | Gains included as a regulatory liability/asset | | | 43 | | | 93 | | | Settlements | | | (87) | | | (114) | | | Balance as of June 30, | | | $64 | | | $48 | |
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| Entergy Arkansas [Member] |
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| 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 June 30, 2026 and December 31, 2025 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. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instrument | | Balance Sheet Location | | Gross Fair Value (a) | | Offsetting Position (b) | | Net Fair Value (c) (d) | | Registrant | | | | | (In Millions) | | | | 2026 | | | | | | | | | | | | Assets: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Financial transmission rights | | Prepayments and other | | $23.8 | | $— | | $23.8 | | Entergy Arkansas | | Financial transmission rights | | Prepayments and other | | $32.1 | | $— | | $32.1 | | Entergy Louisiana | | Financial transmission rights | | Prepayments and other | | $0.9 | | ($0.2) | | $0.7 | | Entergy Mississippi | | Financial transmission rights | | Prepayments and other | | $4.0 | | $— | | $4.0 | | Entergy New Orleans | | Financial transmission rights | | Prepayments and other | | $6.9 | | ($3.8) | | $3.1 | | Entergy Texas | | | | | | | | | | | | | Interest rate swaps | | Prepayments and other | | $1.1 | | $— | | $1.1 | | Entergy Texas | | | | | | | | | | | | | Interest rate swaps | | Other deferred debits and other assets | | $7.5 | | $— | | $7.5 | | Entergy Texas | | | | | | | | | | | | | Liabilities: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Natural gas swaps | | Other current liabilities | | $4.1 | | $— | | $4.1 | | Entergy Mississippi | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instrument | | Balance Sheet Location | | Gross Fair Value (a) | | Offsetting Position (b) | | Net Fair Value (c) (d) | | Registrant | | | | | (In Millions) | | | | 2025 | | | | | | | | | | | | Assets: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Financial transmission rights | | Prepayments and other | | $5.5 | | $— | | $5.5 | | Entergy Arkansas | | Financial transmission rights | | Prepayments and other | | $16.8 | | ($0.1) | | $16.7 | | Entergy Louisiana | | Financial transmission rights | | Prepayments and other | | $0.4 | | $— | | $0.4 | | Entergy Mississippi | | Financial transmission rights | | Prepayments and other | | $1.8 | | $— | | $1.8 | | Entergy New Orleans | | Financial transmission rights | | Prepayments and other | | $2.3 | | ($0.2) | | $2.1 | | Entergy Texas | | | | | | | | | | | | | Interest rate swaps | | Prepayments and other | | $0.5 | | $— | | $0.5 | | Entergy Texas | | | | | | | | | | | | | | | | | | | | | | | | Liabilities: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Natural gas swaps | | Other current liabilities | | $5.3 | | $— | | $5.3 | | Entergy Mississippi | | | | | | | | | | | | | Interest rate swaps | | Other non-current liabilities | | $3.0 | | $— | | $3.0 | | Entergy Texas | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
(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 $1.4 million for Entergy Arkansas, $1.3 million for Entergy Louisiana, $2.5 million for Entergy Mississippi, and $0.6 million for Entergy Texas as of June 30, 2026 and 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
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| 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 three months ended June 30, 2026 and 2025 are as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instrument | | Income Statement Location | | Amount of gain
(loss) recorded
in the income statement | | Registrant | | | | | (In Millions) | | | | 2026 | | | | | | | | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | ($0.8) | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $8.9 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $22.7 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $3.4 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $2.4 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $5.1 | (b) | Entergy Texas | | | | | | | | | Interest rate swaps | | Interest expense | | ($4.9) | (c) | Entergy Texas | | | | | | | | | 2025 | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | $11.4 | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $9.5 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $42.0 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $3.1 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $8.8 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $2.3 | (b) | Entergy Texas |
The effects of derivative instruments not designated as hedging instruments on the Registrant Subsidiaries’ income statements for the six months ended June 30, 2026 and 2025 are as follows: | | | | | | | | | | | | | | | | | | | | | | Instrument | | Income Statement Location | | Amount of gain
(loss) recorded
in the income statement | | Registrant | | | | | (In Millions) | | | | 2026 | | | | | | | | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | $2.2 | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $17.4 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $48.2 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $11.9 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $1.3 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $7.8 | (b) | Entergy Texas | | | | | | | | | Interest rate swaps | | Interest expense | | ($8.6) | (c) | Entergy Texas | | | | | | | | | 2025 | | | | | | | | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | ($1.2) | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $28.2 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $64.1 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $5.1 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $11.1 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $5.8 | (b) | Entergy Texas |
(a)Due to regulatory treatment, the natural gas swaps are marked-to-market through fuel, fuel-related expenses, and gas purchased for resale and 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 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 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 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 in the Form 10-K for discussion of the build-to-suit lease arrangement for the Legend Power Station.
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| 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, the Registrant Subsidiaries’ assets and liabilities that are accounted for at fair value on a recurring basis as of June 30, 2026 and December 31, 2025. 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.
Entergy Arkansas
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 2026 | | Level 1 | | Level 2 | | Level 3 | | Total | | | (In Millions) | | Assets: | | | | | | | | | | Temporary cash investments | | $504.8 | | | $— | | | $— | | | $504.8 | | | Decommissioning trust funds (a): | | | | | | | | | | Equity securities | | 42.4 | | | — | | | — | | | 42.4 | | | Debt securities | | 340.1 | | | 353.1 | | | — | | | 693.2 | | | Common trusts (b) | | | | | | | | 1,197.8 | | | | | | | | | | | | | | | | | | | | | Financial transmission rights | | — | | | — | | | 23.8 | | | 23.8 | | | | $887.3 | | | $353.1 | | | $23.8 | | | $2,462.0 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 2025 | | Level 1 | | Level 2 | | Level 3 | | Total | | | (In Millions) | | Assets: | | | | | | | | | | Temporary cash investments | | $268.5 | | | $— | | | $— | | | $268.5 | | | Decommissioning trust funds (a): | | | | | | | | | | Equity securities | | 20.0 | | | — | | | — | | | 20.0 | | | Debt securities | | 251.9 | | | 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 | | | | | | | | | | |
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| 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 three months ended June 30, 2026. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | | Balance as of April 1, 2026 | $2.4 | | | $7.1 | | | $0.1 | | | $0.8 | | | $0.9 | | | Issuances of financial transmission rights | 26.3 | | | 41.7 | | | 1.5 | | | 6.2 | | | 5.0 | | | Gains (losses) included as a regulatory liability/asset | 4.0 | | | 6.0 | | | 2.5 | | | (0.6) | | | 2.3 | | | Settlements | (8.9) | | | (22.7) | | | (3.4) | | | (2.4) | | | (5.1) | | Balance as of June 30, 2026 | $23.8 | | | $32.1 | | | $0.7 | | | $4.0 | | | $3.1 | |
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 three months ended June 30, 2025. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | | Balance as of April 1, 2025 | $3.0 | | | $3.4 | | | ($0.1) | | | $0.4 | | | $0.4 | | | Issuances of financial transmission rights | 11.8 | | | 28.7 | | | 1.5 | | | 3.0 | | | 4.0 | | | Gains included as a regulatory liability/asset | 5.8 | | | 38.2 | | | 3.1 | | | 8.4 | | | 1.8 | | | Settlements | (9.5) | | | (42.0) | | | (3.1) | | | (8.8) | | | (2.3) | | Balance as of June 30, 2025 | $11.1 | | | $28.3 | | | $1.4 | | | $3.0 | | | $3.9 | |
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 six months ended June 30, 2026. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | | Balance as of January 1, 2026 | $5.5 | | | $16.7 | | | $0.4 | | | $1.8 | | | $2.1 | | | Issuances of financial transmission rights | 26.3 | | | 41.7 | | | 1.5 | | | 6.1 | | | 5.0 | | | Gains (losses) included as a regulatory liability/asset | 9.4 | | | 21.9 | | | 10.7 | | | (2.6) | | | 3.8 | | | Settlements | (17.4) | | | (48.2) | | | (11.9) | | | (1.3) | | | (7.8) | | Balance as of June 30, 2026 | $23.8 | | | $32.1 | | | $0.7 | | | $4.0 | | | $3.1 | |
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 six months ended June 30, 2025. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | Balance as of January 1, 2025 | $8.6 | | | $8.6 | | | ($0.5) | | | $1.3 | | | $1.9 | | | Issuances of financial transmission rights | 11.8 | | | 28.7 | | | 1.5 | | | 2.9 | | | 4.0 | | | Gains included as a regulatory liability/asset | 18.9 | | | 55.1 | | | 5.5 | | | 9.9 | | | 3.8 | | | Settlements | (28.2) | | | (64.1) | | | (5.1) | | | (11.1) | | | (5.8) | | Balance as of June 30, 2025 | $11.1 | | | $28.3 | | | $1.4 | | | $3.0 | | | $3.9 | |
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| Entergy Louisiana [Member] |
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| 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 June 30, 2026 and December 31, 2025 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. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instrument | | Balance Sheet Location | | Gross Fair Value (a) | | Offsetting Position (b) | | Net Fair Value (c) (d) | | Registrant | | | | | (In Millions) | | | | 2026 | | | | | | | | | | | | Assets: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Financial transmission rights | | Prepayments and other | | $23.8 | | $— | | $23.8 | | Entergy Arkansas | | Financial transmission rights | | Prepayments and other | | $32.1 | | $— | | $32.1 | | Entergy Louisiana | | Financial transmission rights | | Prepayments and other | | $0.9 | | ($0.2) | | $0.7 | | Entergy Mississippi | | Financial transmission rights | | Prepayments and other | | $4.0 | | $— | | $4.0 | | Entergy New Orleans | | Financial transmission rights | | Prepayments and other | | $6.9 | | ($3.8) | | $3.1 | | Entergy Texas | | | | | | | | | | | | | Interest rate swaps | | Prepayments and other | | $1.1 | | $— | | $1.1 | | Entergy Texas | | | | | | | | | | | | | Interest rate swaps | | Other deferred debits and other assets | | $7.5 | | $— | | $7.5 | | Entergy Texas | | | | | | | | | | | | | Liabilities: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Natural gas swaps | | Other current liabilities | | $4.1 | | $— | | $4.1 | | Entergy Mississippi | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instrument | | Balance Sheet Location | | Gross Fair Value (a) | | Offsetting Position (b) | | Net Fair Value (c) (d) | | Registrant | | | | | (In Millions) | | | | 2025 | | | | | | | | | | | | Assets: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Financial transmission rights | | Prepayments and other | | $5.5 | | $— | | $5.5 | | Entergy Arkansas | | Financial transmission rights | | Prepayments and other | | $16.8 | | ($0.1) | | $16.7 | | Entergy Louisiana | | Financial transmission rights | | Prepayments and other | | $0.4 | | $— | | $0.4 | | Entergy Mississippi | | Financial transmission rights | | Prepayments and other | | $1.8 | | $— | | $1.8 | | Entergy New Orleans | | Financial transmission rights | | Prepayments and other | | $2.3 | | ($0.2) | | $2.1 | | Entergy Texas | | | | | | | | | | | | | Interest rate swaps | | Prepayments and other | | $0.5 | | $— | | $0.5 | | Entergy Texas | | | | | | | | | | | | | | | | | | | | | | | | Liabilities: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Natural gas swaps | | Other current liabilities | | $5.3 | | $— | | $5.3 | | Entergy Mississippi | | | | | | | | | | | | | Interest rate swaps | | Other non-current liabilities | | $3.0 | | $— | | $3.0 | | Entergy Texas | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
(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 $1.4 million for Entergy Arkansas, $1.3 million for Entergy Louisiana, $2.5 million for Entergy Mississippi, and $0.6 million for Entergy Texas as of June 30, 2026 and 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
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| 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 three months ended June 30, 2026 and 2025 are as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instrument | | Income Statement Location | | Amount of gain
(loss) recorded
in the income statement | | Registrant | | | | | (In Millions) | | | | 2026 | | | | | | | | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | ($0.8) | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $8.9 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $22.7 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $3.4 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $2.4 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $5.1 | (b) | Entergy Texas | | | | | | | | | Interest rate swaps | | Interest expense | | ($4.9) | (c) | Entergy Texas | | | | | | | | | 2025 | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | $11.4 | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $9.5 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $42.0 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $3.1 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $8.8 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $2.3 | (b) | Entergy Texas |
The effects of derivative instruments not designated as hedging instruments on the Registrant Subsidiaries’ income statements for the six months ended June 30, 2026 and 2025 are as follows: | | | | | | | | | | | | | | | | | | | | | | Instrument | | Income Statement Location | | Amount of gain
(loss) recorded
in the income statement | | Registrant | | | | | (In Millions) | | | | 2026 | | | | | | | | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | $2.2 | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $17.4 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $48.2 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $11.9 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $1.3 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $7.8 | (b) | Entergy Texas | | | | | | | | | Interest rate swaps | | Interest expense | | ($8.6) | (c) | Entergy Texas | | | | | | | | | 2025 | | | | | | | | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | ($1.2) | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $28.2 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $64.1 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $5.1 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $11.1 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $5.8 | (b) | Entergy Texas |
(a)Due to regulatory treatment, the natural gas swaps are marked-to-market through fuel, fuel-related expenses, and gas purchased for resale and 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 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 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 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 in the Form 10-K for discussion of the build-to-suit lease arrangement for the Legend Power Station.
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| Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
Entergy Louisiana
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 2026 | | Level 1 | | Level 2 | | Level 3 | | Total | | | (In Millions) | | Assets: | | | | | | | | | | Temporary cash investments | | $1,567.7 | | | $— | | | $— | | | $1,567.7 | | | | | | | | | | | | Decommissioning trust funds (a): | | | | | | | | | | | | | | | | | | | Equity securities | | 53.5 | | | — | | | — | | | 53.5 | | | Debt securities | | 418.0 | | | 675.0 | | | — | | | 1,093.0 | | | Common trusts (b) | | | | | | | | 1,797.9 | | | Storm reserve escrow account | | 239.2 | | | — | | | — | | | 239.2 | | | | | | | | | | | | | | | | | | | | | Financial transmission rights | | — | | | — | | | 32.1 | | | 32.1 | | | | $2,278.4 | | | $675.0 | | | $32.1 | | | $4,783.4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 2025 | | Level 1 | | Level 2 | | Level 3 | | Total | | | (In Millions) | | Assets: | | | | | | | | | | Temporary cash investments | | $776.7 | | | $— | | | $— | | | $776.7 | | | Decommissioning trust funds (a): | | | | | | | | | | Equity securities | | 22.8 | | | — | | | — | | | 22.8 | | | Debt securities | | 373.2 | | | 619.4 | | | — | | | 992.6 | | | Common trusts (b) | | | | | | | | 1,738.4 | | | Storm reserve escrow account | | 235.0 | | | — | | | — | | | 235.0 | | | Financial transmission rights | | — | | | — | | | 16.7 | | | 16.7 | | | | $1,407.7 | | | $619.4 | | | $16.7 | | | $3,782.2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| 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 three months ended June 30, 2026. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | | Balance as of April 1, 2026 | $2.4 | | | $7.1 | | | $0.1 | | | $0.8 | | | $0.9 | | | Issuances of financial transmission rights | 26.3 | | | 41.7 | | | 1.5 | | | 6.2 | | | 5.0 | | | Gains (losses) included as a regulatory liability/asset | 4.0 | | | 6.0 | | | 2.5 | | | (0.6) | | | 2.3 | | | Settlements | (8.9) | | | (22.7) | | | (3.4) | | | (2.4) | | | (5.1) | | Balance as of June 30, 2026 | $23.8 | | | $32.1 | | | $0.7 | | | $4.0 | | | $3.1 | |
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 three months ended June 30, 2025. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | | Balance as of April 1, 2025 | $3.0 | | | $3.4 | | | ($0.1) | | | $0.4 | | | $0.4 | | | Issuances of financial transmission rights | 11.8 | | | 28.7 | | | 1.5 | | | 3.0 | | | 4.0 | | | Gains included as a regulatory liability/asset | 5.8 | | | 38.2 | | | 3.1 | | | 8.4 | | | 1.8 | | | Settlements | (9.5) | | | (42.0) | | | (3.1) | | | (8.8) | | | (2.3) | | Balance as of June 30, 2025 | $11.1 | | | $28.3 | | | $1.4 | | | $3.0 | | | $3.9 | |
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 six months ended June 30, 2026. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | | Balance as of January 1, 2026 | $5.5 | | | $16.7 | | | $0.4 | | | $1.8 | | | $2.1 | | | Issuances of financial transmission rights | 26.3 | | | 41.7 | | | 1.5 | | | 6.1 | | | 5.0 | | | Gains (losses) included as a regulatory liability/asset | 9.4 | | | 21.9 | | | 10.7 | | | (2.6) | | | 3.8 | | | Settlements | (17.4) | | | (48.2) | | | (11.9) | | | (1.3) | | | (7.8) | | Balance as of June 30, 2026 | $23.8 | | | $32.1 | | | $0.7 | | | $4.0 | | | $3.1 | |
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 six months ended June 30, 2025. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | Balance as of January 1, 2025 | $8.6 | | | $8.6 | | | ($0.5) | | | $1.3 | | | $1.9 | | | Issuances of financial transmission rights | 11.8 | | | 28.7 | | | 1.5 | | | 2.9 | | | 4.0 | | | Gains included as a regulatory liability/asset | 18.9 | | | 55.1 | | | 5.5 | | | 9.9 | | | 3.8 | | | Settlements | (28.2) | | | (64.1) | | | (5.1) | | | (11.1) | | | (5.8) | | Balance as of June 30, 2025 | $11.1 | | | $28.3 | | | $1.4 | | | $3.0 | | | $3.9 | |
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| Entergy Mississippi [Member] |
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| 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 June 30, 2026 and December 31, 2025 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. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instrument | | Balance Sheet Location | | Gross Fair Value (a) | | Offsetting Position (b) | | Net Fair Value (c) (d) | | Registrant | | | | | (In Millions) | | | | 2026 | | | | | | | | | | | | Assets: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Financial transmission rights | | Prepayments and other | | $23.8 | | $— | | $23.8 | | Entergy Arkansas | | Financial transmission rights | | Prepayments and other | | $32.1 | | $— | | $32.1 | | Entergy Louisiana | | Financial transmission rights | | Prepayments and other | | $0.9 | | ($0.2) | | $0.7 | | Entergy Mississippi | | Financial transmission rights | | Prepayments and other | | $4.0 | | $— | | $4.0 | | Entergy New Orleans | | Financial transmission rights | | Prepayments and other | | $6.9 | | ($3.8) | | $3.1 | | Entergy Texas | | | | | | | | | | | | | Interest rate swaps | | Prepayments and other | | $1.1 | | $— | | $1.1 | | Entergy Texas | | | | | | | | | | | | | Interest rate swaps | | Other deferred debits and other assets | | $7.5 | | $— | | $7.5 | | Entergy Texas | | | | | | | | | | | | | Liabilities: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Natural gas swaps | | Other current liabilities | | $4.1 | | $— | | $4.1 | | Entergy Mississippi | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instrument | | Balance Sheet Location | | Gross Fair Value (a) | | Offsetting Position (b) | | Net Fair Value (c) (d) | | Registrant | | | | | (In Millions) | | | | 2025 | | | | | | | | | | | | Assets: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Financial transmission rights | | Prepayments and other | | $5.5 | | $— | | $5.5 | | Entergy Arkansas | | Financial transmission rights | | Prepayments and other | | $16.8 | | ($0.1) | | $16.7 | | Entergy Louisiana | | Financial transmission rights | | Prepayments and other | | $0.4 | | $— | | $0.4 | | Entergy Mississippi | | Financial transmission rights | | Prepayments and other | | $1.8 | | $— | | $1.8 | | Entergy New Orleans | | Financial transmission rights | | Prepayments and other | | $2.3 | | ($0.2) | | $2.1 | | Entergy Texas | | | | | | | | | | | | | Interest rate swaps | | Prepayments and other | | $0.5 | | $— | | $0.5 | | Entergy Texas | | | | | | | | | | | | | | | | | | | | | | | | Liabilities: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Natural gas swaps | | Other current liabilities | | $5.3 | | $— | | $5.3 | | Entergy Mississippi | | | | | | | | | | | | | Interest rate swaps | | Other non-current liabilities | | $3.0 | | $— | | $3.0 | | Entergy Texas | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
(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 $1.4 million for Entergy Arkansas, $1.3 million for Entergy Louisiana, $2.5 million for Entergy Mississippi, and $0.6 million for Entergy Texas as of June 30, 2026 and 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
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| 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 three months ended June 30, 2026 and 2025 are as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instrument | | Income Statement Location | | Amount of gain
(loss) recorded
in the income statement | | Registrant | | | | | (In Millions) | | | | 2026 | | | | | | | | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | ($0.8) | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $8.9 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $22.7 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $3.4 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $2.4 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $5.1 | (b) | Entergy Texas | | | | | | | | | Interest rate swaps | | Interest expense | | ($4.9) | (c) | Entergy Texas | | | | | | | | | 2025 | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | $11.4 | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $9.5 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $42.0 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $3.1 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $8.8 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $2.3 | (b) | Entergy Texas |
The effects of derivative instruments not designated as hedging instruments on the Registrant Subsidiaries’ income statements for the six months ended June 30, 2026 and 2025 are as follows: | | | | | | | | | | | | | | | | | | | | | | Instrument | | Income Statement Location | | Amount of gain
(loss) recorded
in the income statement | | Registrant | | | | | (In Millions) | | | | 2026 | | | | | | | | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | $2.2 | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $17.4 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $48.2 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $11.9 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $1.3 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $7.8 | (b) | Entergy Texas | | | | | | | | | Interest rate swaps | | Interest expense | | ($8.6) | (c) | Entergy Texas | | | | | | | | | 2025 | | | | | | | | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | ($1.2) | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $28.2 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $64.1 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $5.1 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $11.1 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $5.8 | (b) | Entergy Texas |
(a)Due to regulatory treatment, the natural gas swaps are marked-to-market through fuel, fuel-related expenses, and gas purchased for resale and 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 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 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 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 in the Form 10-K for discussion of the build-to-suit lease arrangement for the Legend Power Station.
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| Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
Entergy Mississippi
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 2026 | | Level 1 | | Level 2 | | Level 3 | | Total | | | (In Millions) | | Assets: | | | | | | | | | | Temporary cash investments | | $829.8 | | | $— | | | $— | | | $829.8 | | | | | | | | | | | | | | | | | | | | | Financial transmission rights | | — | | | — | | | 0.7 | | | 0.7 | | | | $829.8 | | | $— | | | $0.7 | | | $830.5 | | | | | | | | | | | | Liabilities: | | | | | | | | | | Natural gas swaps | | $4.1 | | | $— | | | $— | | | $4.1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 2025 | | Level 1 | | Level 2 | | Level 3 | | Total | | | (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 | |
|
| 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 three months ended June 30, 2026. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | | Balance as of April 1, 2026 | $2.4 | | | $7.1 | | | $0.1 | | | $0.8 | | | $0.9 | | | Issuances of financial transmission rights | 26.3 | | | 41.7 | | | 1.5 | | | 6.2 | | | 5.0 | | | Gains (losses) included as a regulatory liability/asset | 4.0 | | | 6.0 | | | 2.5 | | | (0.6) | | | 2.3 | | | Settlements | (8.9) | | | (22.7) | | | (3.4) | | | (2.4) | | | (5.1) | | Balance as of June 30, 2026 | $23.8 | | | $32.1 | | | $0.7 | | | $4.0 | | | $3.1 | |
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 three months ended June 30, 2025. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | | Balance as of April 1, 2025 | $3.0 | | | $3.4 | | | ($0.1) | | | $0.4 | | | $0.4 | | | Issuances of financial transmission rights | 11.8 | | | 28.7 | | | 1.5 | | | 3.0 | | | 4.0 | | | Gains included as a regulatory liability/asset | 5.8 | | | 38.2 | | | 3.1 | | | 8.4 | | | 1.8 | | | Settlements | (9.5) | | | (42.0) | | | (3.1) | | | (8.8) | | | (2.3) | | Balance as of June 30, 2025 | $11.1 | | | $28.3 | | | $1.4 | | | $3.0 | | | $3.9 | |
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 six months ended June 30, 2026. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | | Balance as of January 1, 2026 | $5.5 | | | $16.7 | | | $0.4 | | | $1.8 | | | $2.1 | | | Issuances of financial transmission rights | 26.3 | | | 41.7 | | | 1.5 | | | 6.1 | | | 5.0 | | | Gains (losses) included as a regulatory liability/asset | 9.4 | | | 21.9 | | | 10.7 | | | (2.6) | | | 3.8 | | | Settlements | (17.4) | | | (48.2) | | | (11.9) | | | (1.3) | | | (7.8) | | Balance as of June 30, 2026 | $23.8 | | | $32.1 | | | $0.7 | | | $4.0 | | | $3.1 | |
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 six months ended June 30, 2025. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | Balance as of January 1, 2025 | $8.6 | | | $8.6 | | | ($0.5) | | | $1.3 | | | $1.9 | | | Issuances of financial transmission rights | 11.8 | | | 28.7 | | | 1.5 | | | 2.9 | | | 4.0 | | | Gains included as a regulatory liability/asset | 18.9 | | | 55.1 | | | 5.5 | | | 9.9 | | | 3.8 | | | Settlements | (28.2) | | | (64.1) | | | (5.1) | | | (11.1) | | | (5.8) | | Balance as of June 30, 2025 | $11.1 | | | $28.3 | | | $1.4 | | | $3.0 | | | $3.9 | |
|
| 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 June 30, 2026 and December 31, 2025 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. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instrument | | Balance Sheet Location | | Gross Fair Value (a) | | Offsetting Position (b) | | Net Fair Value (c) (d) | | Registrant | | | | | (In Millions) | | | | 2026 | | | | | | | | | | | | Assets: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Financial transmission rights | | Prepayments and other | | $23.8 | | $— | | $23.8 | | Entergy Arkansas | | Financial transmission rights | | Prepayments and other | | $32.1 | | $— | | $32.1 | | Entergy Louisiana | | Financial transmission rights | | Prepayments and other | | $0.9 | | ($0.2) | | $0.7 | | Entergy Mississippi | | Financial transmission rights | | Prepayments and other | | $4.0 | | $— | | $4.0 | | Entergy New Orleans | | Financial transmission rights | | Prepayments and other | | $6.9 | | ($3.8) | | $3.1 | | Entergy Texas | | | | | | | | | | | | | Interest rate swaps | | Prepayments and other | | $1.1 | | $— | | $1.1 | | Entergy Texas | | | | | | | | | | | | | Interest rate swaps | | Other deferred debits and other assets | | $7.5 | | $— | | $7.5 | | Entergy Texas | | | | | | | | | | | | | Liabilities: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Natural gas swaps | | Other current liabilities | | $4.1 | | $— | | $4.1 | | Entergy Mississippi | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instrument | | Balance Sheet Location | | Gross Fair Value (a) | | Offsetting Position (b) | | Net Fair Value (c) (d) | | Registrant | | | | | (In Millions) | | | | 2025 | | | | | | | | | | | | Assets: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Financial transmission rights | | Prepayments and other | | $5.5 | | $— | | $5.5 | | Entergy Arkansas | | Financial transmission rights | | Prepayments and other | | $16.8 | | ($0.1) | | $16.7 | | Entergy Louisiana | | Financial transmission rights | | Prepayments and other | | $0.4 | | $— | | $0.4 | | Entergy Mississippi | | Financial transmission rights | | Prepayments and other | | $1.8 | | $— | | $1.8 | | Entergy New Orleans | | Financial transmission rights | | Prepayments and other | | $2.3 | | ($0.2) | | $2.1 | | Entergy Texas | | | | | | | | | | | | | Interest rate swaps | | Prepayments and other | | $0.5 | | $— | | $0.5 | | Entergy Texas | | | | | | | | | | | | | | | | | | | | | | | | Liabilities: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Natural gas swaps | | Other current liabilities | | $5.3 | | $— | | $5.3 | | Entergy Mississippi | | | | | | | | | | | | | Interest rate swaps | | Other non-current liabilities | | $3.0 | | $— | | $3.0 | | Entergy Texas | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
(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 $1.4 million for Entergy Arkansas, $1.3 million for Entergy Louisiana, $2.5 million for Entergy Mississippi, and $0.6 million for Entergy Texas as of June 30, 2026 and 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
|
| 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 three months ended June 30, 2026 and 2025 are as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instrument | | Income Statement Location | | Amount of gain
(loss) recorded
in the income statement | | Registrant | | | | | (In Millions) | | | | 2026 | | | | | | | | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | ($0.8) | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $8.9 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $22.7 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $3.4 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $2.4 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $5.1 | (b) | Entergy Texas | | | | | | | | | Interest rate swaps | | Interest expense | | ($4.9) | (c) | Entergy Texas | | | | | | | | | 2025 | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | $11.4 | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $9.5 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $42.0 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $3.1 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $8.8 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $2.3 | (b) | Entergy Texas |
The effects of derivative instruments not designated as hedging instruments on the Registrant Subsidiaries’ income statements for the six months ended June 30, 2026 and 2025 are as follows: | | | | | | | | | | | | | | | | | | | | | | Instrument | | Income Statement Location | | Amount of gain
(loss) recorded
in the income statement | | Registrant | | | | | (In Millions) | | | | 2026 | | | | | | | | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | $2.2 | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $17.4 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $48.2 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $11.9 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $1.3 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $7.8 | (b) | Entergy Texas | | | | | | | | | Interest rate swaps | | Interest expense | | ($8.6) | (c) | Entergy Texas | | | | | | | | | 2025 | | | | | | | | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | ($1.2) | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $28.2 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $64.1 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $5.1 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $11.1 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $5.8 | (b) | Entergy Texas |
(a)Due to regulatory treatment, the natural gas swaps are marked-to-market through fuel, fuel-related expenses, and gas purchased for resale and 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 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 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 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 in the Form 10-K 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
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 2026 | | Level 1 | | Level 2 | | Level 3 | | Total | | | (In Millions) | | Assets: | | | | | | | | | | Temporary cash investments | | $63.3 | | | $— | | | $— | | | $63.3 | | | | | | | | | | | | Storm reserve escrow account | | 75.1 | | | — | | | — | | | 75.1 | | | | | | | | | | | | Financial transmission rights | | — | | | — | | | 4.0 | | | 4.0 | | | | $138.4 | | | $— | | | $4.0 | | | $142.4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 2025 | | Level 1 | | Level 2 | | Level 3 | | Total | | | (In Millions) | | Assets: | | | | | | | | | | Temporary cash investments | | $110.2 | | | $— | | | $— | | | $110.2 | | | | | | | | | | | | Storm reserve escrow account | | 73.8 | | | — | | | — | | | 73.8 | | | Financial transmission rights | | — | | | — | | | 1.8 | | | 1.8 | | | | $184.0 | | | $— | | | $1.8 | | | $185.8 | |
|
| 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 three months ended June 30, 2026. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | | Balance as of April 1, 2026 | $2.4 | | | $7.1 | | | $0.1 | | | $0.8 | | | $0.9 | | | Issuances of financial transmission rights | 26.3 | | | 41.7 | | | 1.5 | | | 6.2 | | | 5.0 | | | Gains (losses) included as a regulatory liability/asset | 4.0 | | | 6.0 | | | 2.5 | | | (0.6) | | | 2.3 | | | Settlements | (8.9) | | | (22.7) | | | (3.4) | | | (2.4) | | | (5.1) | | Balance as of June 30, 2026 | $23.8 | | | $32.1 | | | $0.7 | | | $4.0 | | | $3.1 | |
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 three months ended June 30, 2025. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | | Balance as of April 1, 2025 | $3.0 | | | $3.4 | | | ($0.1) | | | $0.4 | | | $0.4 | | | Issuances of financial transmission rights | 11.8 | | | 28.7 | | | 1.5 | | | 3.0 | | | 4.0 | | | Gains included as a regulatory liability/asset | 5.8 | | | 38.2 | | | 3.1 | | | 8.4 | | | 1.8 | | | Settlements | (9.5) | | | (42.0) | | | (3.1) | | | (8.8) | | | (2.3) | | Balance as of June 30, 2025 | $11.1 | | | $28.3 | | | $1.4 | | | $3.0 | | | $3.9 | |
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 six months ended June 30, 2026. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | | Balance as of January 1, 2026 | $5.5 | | | $16.7 | | | $0.4 | | | $1.8 | | | $2.1 | | | Issuances of financial transmission rights | 26.3 | | | 41.7 | | | 1.5 | | | 6.1 | | | 5.0 | | | Gains (losses) included as a regulatory liability/asset | 9.4 | | | 21.9 | | | 10.7 | | | (2.6) | | | 3.8 | | | Settlements | (17.4) | | | (48.2) | | | (11.9) | | | (1.3) | | | (7.8) | | Balance as of June 30, 2026 | $23.8 | | | $32.1 | | | $0.7 | | | $4.0 | | | $3.1 | |
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 six months ended June 30, 2025. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | Balance as of January 1, 2025 | $8.6 | | | $8.6 | | | ($0.5) | | | $1.3 | | | $1.9 | | | Issuances of financial transmission rights | 11.8 | | | 28.7 | | | 1.5 | | | 2.9 | | | 4.0 | | | Gains included as a regulatory liability/asset | 18.9 | | | 55.1 | | | 5.5 | | | 9.9 | | | 3.8 | | | Settlements | (28.2) | | | (64.1) | | | (5.1) | | | (11.1) | | | (5.8) | | Balance as of June 30, 2025 | $11.1 | | | $28.3 | | | $1.4 | | | $3.0 | | | $3.9 | |
|
| 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 June 30, 2026 and December 31, 2025 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. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instrument | | Balance Sheet Location | | Gross Fair Value (a) | | Offsetting Position (b) | | Net Fair Value (c) (d) | | Registrant | | | | | (In Millions) | | | | 2026 | | | | | | | | | | | | Assets: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Financial transmission rights | | Prepayments and other | | $23.8 | | $— | | $23.8 | | Entergy Arkansas | | Financial transmission rights | | Prepayments and other | | $32.1 | | $— | | $32.1 | | Entergy Louisiana | | Financial transmission rights | | Prepayments and other | | $0.9 | | ($0.2) | | $0.7 | | Entergy Mississippi | | Financial transmission rights | | Prepayments and other | | $4.0 | | $— | | $4.0 | | Entergy New Orleans | | Financial transmission rights | | Prepayments and other | | $6.9 | | ($3.8) | | $3.1 | | Entergy Texas | | | | | | | | | | | | | Interest rate swaps | | Prepayments and other | | $1.1 | | $— | | $1.1 | | Entergy Texas | | | | | | | | | | | | | Interest rate swaps | | Other deferred debits and other assets | | $7.5 | | $— | | $7.5 | | Entergy Texas | | | | | | | | | | | | | Liabilities: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Natural gas swaps | | Other current liabilities | | $4.1 | | $— | | $4.1 | | Entergy Mississippi | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instrument | | Balance Sheet Location | | Gross Fair Value (a) | | Offsetting Position (b) | | Net Fair Value (c) (d) | | Registrant | | | | | (In Millions) | | | | 2025 | | | | | | | | | | | | Assets: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Financial transmission rights | | Prepayments and other | | $5.5 | | $— | | $5.5 | | Entergy Arkansas | | Financial transmission rights | | Prepayments and other | | $16.8 | | ($0.1) | | $16.7 | | Entergy Louisiana | | Financial transmission rights | | Prepayments and other | | $0.4 | | $— | | $0.4 | | Entergy Mississippi | | Financial transmission rights | | Prepayments and other | | $1.8 | | $— | | $1.8 | | Entergy New Orleans | | Financial transmission rights | | Prepayments and other | | $2.3 | | ($0.2) | | $2.1 | | Entergy Texas | | | | | | | | | | | | | Interest rate swaps | | Prepayments and other | | $0.5 | | $— | | $0.5 | | Entergy Texas | | | | | | | | | | | | | | | | | | | | | | | | Liabilities: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Natural gas swaps | | Other current liabilities | | $5.3 | | $— | | $5.3 | | Entergy Mississippi | | | | | | | | | | | | | Interest rate swaps | | Other non-current liabilities | | $3.0 | | $— | | $3.0 | | Entergy Texas | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
(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 $1.4 million for Entergy Arkansas, $1.3 million for Entergy Louisiana, $2.5 million for Entergy Mississippi, and $0.6 million for Entergy Texas as of June 30, 2026 and 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
|
| 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 three months ended June 30, 2026 and 2025 are as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instrument | | Income Statement Location | | Amount of gain
(loss) recorded
in the income statement | | Registrant | | | | | (In Millions) | | | | 2026 | | | | | | | | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | ($0.8) | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $8.9 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $22.7 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $3.4 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $2.4 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $5.1 | (b) | Entergy Texas | | | | | | | | | Interest rate swaps | | Interest expense | | ($4.9) | (c) | Entergy Texas | | | | | | | | | 2025 | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | $11.4 | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $9.5 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $42.0 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $3.1 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $8.8 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $2.3 | (b) | Entergy Texas |
The effects of derivative instruments not designated as hedging instruments on the Registrant Subsidiaries’ income statements for the six months ended June 30, 2026 and 2025 are as follows: | | | | | | | | | | | | | | | | | | | | | | Instrument | | Income Statement Location | | Amount of gain
(loss) recorded
in the income statement | | Registrant | | | | | (In Millions) | | | | 2026 | | | | | | | | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | $2.2 | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $17.4 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $48.2 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $11.9 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $1.3 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $7.8 | (b) | Entergy Texas | | | | | | | | | Interest rate swaps | | Interest expense | | ($8.6) | (c) | Entergy Texas | | | | | | | | | 2025 | | | | | | | | | | | | | | | Natural gas swaps | | Fuel, fuel-related expenses, and gas purchased for resale | | ($1.2) | (a) | Entergy Mississippi | | | | | | | | | | | | | | | | Financial transmission rights | | Purchased power expense | | $28.2 | (b) | Entergy Arkansas | | Financial transmission rights | | Purchased power expense | | $64.1 | (b) | Entergy Louisiana | | Financial transmission rights | | Purchased power expense | | $5.1 | (b) | Entergy Mississippi | | Financial transmission rights | | Purchased power expense | | $11.1 | (b) | Entergy New Orleans | | Financial transmission rights | | Purchased power expense | | $5.8 | (b) | Entergy Texas |
(a)Due to regulatory treatment, the natural gas swaps are marked-to-market through fuel, fuel-related expenses, and gas purchased for resale and 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 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 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 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 in the Form 10-K for discussion of the build-to-suit lease arrangement for the Legend Power Station.
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| Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
Entergy Texas
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 2026 | | Level 1 | | Level 2 | | Level 3 | | Total | | | (In Millions) | Assets: | | | | | | | | | | Temporary cash investments | | $535.1 | | | $— | | | $— | | | $535.1 | | | Securitization recovery trust account | | 1.3 | | | — | | | — | | | $1.3 | | | Financial transmission rights | | — | | | — | | | 3.1 | | | 3.1 | | | Interest rate swaps | | — | | | 8.6 | | | — | | | 8.6 | | | | $536.4 | | | $8.6 | | | $3.1 | | | $548.1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 2025 | | Level 1 | | Level 2 | | Level 3 | | Total | | | (In Millions) | Assets: | | | | | | | | | | Temporary cash investments | | $274.9 | | | $— | | | $— | | | $274.9 | | | Securitization recovery trust account | | 1.5 | | | — | | | — | | | 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 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| 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 three months ended June 30, 2026. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | | Balance as of April 1, 2026 | $2.4 | | | $7.1 | | | $0.1 | | | $0.8 | | | $0.9 | | | Issuances of financial transmission rights | 26.3 | | | 41.7 | | | 1.5 | | | 6.2 | | | 5.0 | | | Gains (losses) included as a regulatory liability/asset | 4.0 | | | 6.0 | | | 2.5 | | | (0.6) | | | 2.3 | | | Settlements | (8.9) | | | (22.7) | | | (3.4) | | | (2.4) | | | (5.1) | | Balance as of June 30, 2026 | $23.8 | | | $32.1 | | | $0.7 | | | $4.0 | | | $3.1 | |
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 three months ended June 30, 2025. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | | Balance as of April 1, 2025 | $3.0 | | | $3.4 | | | ($0.1) | | | $0.4 | | | $0.4 | | | Issuances of financial transmission rights | 11.8 | | | 28.7 | | | 1.5 | | | 3.0 | | | 4.0 | | | Gains included as a regulatory liability/asset | 5.8 | | | 38.2 | | | 3.1 | | | 8.4 | | | 1.8 | | | Settlements | (9.5) | | | (42.0) | | | (3.1) | | | (8.8) | | | (2.3) | | Balance as of June 30, 2025 | $11.1 | | | $28.3 | | | $1.4 | | | $3.0 | | | $3.9 | |
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 six months ended June 30, 2026. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | | Balance as of January 1, 2026 | $5.5 | | | $16.7 | | | $0.4 | | | $1.8 | | | $2.1 | | | Issuances of financial transmission rights | 26.3 | | | 41.7 | | | 1.5 | | | 6.1 | | | 5.0 | | | Gains (losses) included as a regulatory liability/asset | 9.4 | | | 21.9 | | | 10.7 | | | (2.6) | | | 3.8 | | | Settlements | (17.4) | | | (48.2) | | | (11.9) | | | (1.3) | | | (7.8) | | Balance as of June 30, 2026 | $23.8 | | | $32.1 | | | $0.7 | | | $4.0 | | | $3.1 | |
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 six months ended June 30, 2025. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Entergy
Arkansas | | Entergy
Louisiana | | Entergy
Mississippi | | Entergy
New
Orleans | | Entergy
Texas | | (In Millions) | Balance as of January 1, 2025 | $8.6 | | | $8.6 | | | ($0.5) | | | $1.3 | | | $1.9 | | | Issuances of financial transmission rights | 11.8 | | | 28.7 | | | 1.5 | | | 2.9 | | | 4.0 | | | Gains included as a regulatory liability/asset | 18.9 | | | 55.1 | | | 5.5 | | | 9.9 | | | 3.8 | | | Settlements | (28.2) | | | (64.1) | | | (5.1) | | | (11.1) | | | (5.8) | | Balance as of June 30, 2025 | $11.1 | | | $28.3 | | | $1.4 | | | $3.0 | | | $3.9 | |
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| System Energy [Member] |
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| Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
System Energy
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 2026 | | Level 1 | | Level 2 | | Level 3 | | Total | | | (In Millions) | | Assets: | | | | | | | | | | | | | | | | | | | Decommissioning trust funds (a): | | | | | | | | | | Equity securities | | $4.4 | | | $— | | | $— | | | $4.4 | | | Debt securities | | 279.8 | | | 399.8 | | | — | | | 679.6 | | | Common trusts (b) | | | | | | | | 1,160.5 | | | | $284.2 | | | $399.8 | | | $— | | | $1,844.5 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 2025 | | Level 1 | | Level 2 | | Level 3 | | Total | | | (In Millions) | | Assets: | | | | | | | | | | | | | | | | | | | Decommissioning trust funds (a): | | | | | | | | | | Equity securities | | $8.6 | | | $— | | | $— | | | $8.6 | | | Debt securities | | 280.5 | | | 314.5 | | | — | | | 595.0 | | | Common trusts (b) | | | | | | | | 1,127.1 | | | | $289.1 | | | $314.5 | | | $— | | | $1,730.7 | |
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