Company: EAI
Filing Date: 2025-08-06
Form Type: S-3ASR
Source: 0001193125-25-174487
Chunk: 57

Company: ENTERGY ARKANSAS, LLC
Filing Date: 2025-08-06
Form: S-3ASR
Chunk 57
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 each series of preferred membership interests when sold, including whether any series will be subject to 
 redemption or sinking fund provisions.                                                                                                                                                                                                                 |

This prospectus may be used to offer and sell series of preferred membership interests only if accompanied by the prospectus supplements for those series. We will provide the specific information for those offerings and the specific terms of those preferred membership interests, including their offering price and distribution rate, in supplements to this prospectus. The supplements may also add, update or change the information in this prospectus. You should read this prospectus and any supplements carefully before you invest. Investing in the preferred membership interests offered by this prospectus 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 preferred membership interests directly or through underwriters, agents or dealers. Each prospectus supplement will provide the terms of the plan of distribution for the related series of preferred membership interests. The date of this prospectus is August 6, 2025.

TABLE OF CONTENTS

|                                            |     | Page |   |
| RISK FACTORS                               |     |      | 1 |
| ABOUT THIS PROSPECTUS                      |     |      | 1 |
| ENTERGY ARKANSAS, LLC                      |     |      | 1 |
| WHERE YOU CAN FIND MORE INFORMATION        |     |      | 2 |
| USE OF PROCEEDS                            |     |      | 2 |
| DESCRIPTION OF THE NEW PREFERRED INTERESTS |     |      | 3 |
| PLAN OF DISTRIBUTION                       |     |      | 3 |
| EXPERTS                                    |     |      | 4 |
| LEGALITY                                   |     |      | 4 |

RISK FACTORS

Investing in the preferred membership interests involves certain risks. In considering whether to purchase the preferred membership interests being offered by
this prospectus (the “New Preferred Interests”), 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