Company: EAI
Filing Date: 2025-08-06
Form Type: S-3ASR
Source: 0001193125-25-174487
Chunk: 99

Company: ENTERGY ARKANSAS, LLC
Filing Date: 2025-08-06
Form: S-3ASR
Chunk 99
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us involves risks. See “ Risk Factors” on page 1. Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense. We may offer the first mortgage bonds directly or through underwriters, agents or dealers. Each prospectus supplement will provide the terms of the plan of distribution for the related series of first mortgage bonds. The date of this prospectus is August 6, 2025.

TABLE OF CONTENTS

|                                     |     | Page |    |
| RISK FACTORS                        |     |      |  1 |
| ABOUT THIS PROSPECTUS               |     |      |  1 |
| ENTERGY LOUISIANA, LLC              |     |      |  1 |
| WHERE YOU CAN FIND MORE INFORMATION |     |      |  2 |
| USE OF PROCEEDS                     |     |      |  2 |
| DESCRIPTION OF THE NEW BONDS        |     |      |  3 |
| PLAN OF DISTRIBUTION                |     |      | 14 |
| EXPERTS                             |     |      | 16 |
| LEGALITY                            |     |      | 16 |

RISK FACTORS

Investing in the first mortgage bonds involves certain risks. In considering whether to purchase the first mortgage bonds being offered by this prospectus
(the “New Bonds”), you should carefully consider the information we have included or incorporated by reference in this prospectus. In particular, you should carefully consider the information under the headings “Risk Factors
Summary” and “Risk Factors” as well as the factors listed under the heading “Forward-Looking Information,” in each case, contained in our Annual Report on Form 10-K for our most recent
fiscal year, in any Quarterly Report on Form 10-Q that we have filed since our most recent Annual Report on Form 10-K and in any other subsequent document that we file
(not furnish) with the Securities and Exchange Commission (the “SEC”), each of which is incorporated by reference in this prospectus.

ABOUT THIS PROSPECTUS

This prospectus is part of an automatic shelf registration statement on Form S-3 that we filed with the SEC as a
majority-owned subsidiary of Entergy Corporation, which is a “well-known seasoned issuer,” as defined in Rule 405 under the Securities Act of 1933, as amended (the “Securities