Company: EAI
Filing Date: 2025-05-06
Form Type: 424B2
Source: 0001193125-25-113786
Chunk: 3

Company: ENTERGY ARKANSAS, LLC
Filing Date: 2025-05-06
Form: 424B2
Chunk 3
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 of this prospectus supplement and the accompanying prospectus and should be read with the same care. Accordingly, we incorporate by reference the documents listed below along with any future filings that we make with the SEC under Sections 13(a), 13(c), 14 or 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), if the filings are made prior to the time that all of the new bonds are sold in this offering:

| 1. | the 2024 Form 
 10-K,         |

| 2. | the First Quarter 2025 Form 
 10-Q, and                   |

You may access a copy of any or all of these filings, free of charge, at our website located at http://www.entergy.com or by writing or calling us at the following address: Ms. Dawn A. Balash Assistant Secretary Entergy Arkansas, LLC 639 Loyola Avenue New Orleans, Louisiana 70113 (504) 576-6755 You may also direct your requests via email to dbalash@entergy.com. We do not intend our Internet address to be an active link or to otherwise incorporate the contents of the website into this prospectus supplement or the accompanying prospectus. S-1

USE OF PROCEEDS

We anticipate that the net proceeds from the issuance and sale of the new bonds will be approximately $299.7 million after deducting the
underwriting discount and estimated offering expenses payable by us. We intend to use the net proceeds from the issuance and sale of the new bonds, together with other available funds, to finance the construction of Lake Catherine Unit 5 in Hot
Spring County, Arkansas, and for general corporate purposes. Pending the application of the net proceeds of the new bonds, we may invest them in short-term, highly liquid, high-rated money market instruments and/or the Entergy system money pool.

DESCRIPTION OF THE NEW BONDS

General

The mortgage (as defined in the
accompanying prospectus) permits us to issue first mortgage bonds from time to time in one or more series, subject to the issuance restrictions set forth in the mortgage, which are generally described in the accompanying prospectus under the heading
“Description of the New Bonds — Issuance of Additional First Mortgage Bonds.” All first mortgage bonds of any one series need not be issued at the same time, and a series may be reopened for issuances of additional first mortgage
bonds of such series. Thus, we may, from