Company: EAI
Filing Date: 2025-08-06
Form Type: S-3ASR
Source: 0001193125-25-174487
Chunk: 1

Company: ENTERGY ARKANSAS, LLC
Filing Date: 2025-08-06
Form: S-3ASR
Chunk 1
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ergy Corporation           |     | ✓                 |     |             |     |                 |     |           |     |                 |
| Entergy Arkansas, LLC         |     |                   |     |             |     | ✓               |     |           |     |                 |
| Entergy Louisiana, LLC        |     |                   |     |             |     | ✓               |     |           |     |                 |
| Entergy Mississippi, LLC      |     |                   |     |             |     | ✓               |     |           |     |                 |
| Entergy Texas, Inc.           |     |                   |     |             |     | ✓               |     |           |     |                 |
| System Energy Resources, Inc. |     |                   |     |             |     | ✓               |     |           |     |                 |

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐

EXPLANATORY NOTE This Registration Statement on Form S-3filed by Entergy Corporation, a Delaware corporation (“Entergy”), Entergy Arkansas, LLC, a Texas limited liability company and a majority-owned subsidiary of Entergy (“EAL”), Entergy Louisiana, LLC, a Texas limited liability company and a majority-owned subsidiary of Entergy (“ELL”), Entergy Mississippi, LLC, a Texas limited liability company and a majority-owned subsidiary of Entergy (“EML”), Entergy Texas, Inc., a Texas corporation and a majority-owned subsidiary of Entergy (“ETI”), and System Energy Resources, Inc., an Arkansas corporation and a wholly-owned subsidiary of Entergy (“SERI”), contains eleven forms of prospectuses, each of which is to be used in connection with offerings of the securities referenced in the respective clause listed below:

| 1. | the common stock, preferred stock, depositary shares, senior notes and junior subordinated debentures of 
 Entergy registered pursuant to this Registration Statement;                                              |

| 2. | the first mortgage bonds of EAL registered pursuant to this Registration Statement; |

| 3. | the preferred membership interests of EAL registered pursuant to this Registration Statement; |

| 4. | the collateral trust mortgage bonds of ELL registered pursuant to this Registration Statement; |

| 6. | the preferred membership interests of ELL registered pursuant to this Registration Statement; |

| 7