Company: EAI
Filing Date: 2025-08-06
Form Type: S-3ASR
Source: 0001193125-25-174487
Chunk: 234

Company: ENTERGY ARKANSAS, LLC
Filing Date: 2025-08-06
Form: S-3ASR
Chunk 234
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 (Principal Executive Officer)                            
 Executive Vice President and Chief Financial Officer     
 (Principal Financial Officer)                            |     | Date           
 August 6, 2025 
 August 6, 2025 |
|:------------------------|:----|:---------------------------------------------------------|:----|:---------------|
| /s/ Reginald T. Jackson 
 Reginald T. Jackson     |     | Senior Vice President and Chief Accounting Officer       
 (Principal Accounting Officer)                           |     | August 6, 2025 |
| /s/ Gina F. Adams       
 Gina F. Adams           |     | Director                                                 |     | August 6, 2025 |
| /s/ John H. Black       
 John H. Black           |     | Director                                                 |     | August 6, 2025 |
| /s/ John R. Burbank     
 John R. Burbank         |     | Director                                                 |     | August 6, 2025 |
| /s/ Kirkland H. Donald  
 Kirkland H. Donald      |     | Director                                                 |     | August 6, 2025 |

S-1

| Signature                  
 /s/ Brian W. Ellis         
 Brian W. Ellis             
 /s/ Philip L. Frederickson 
 Philip L. Frederickson     |     | Title    
 Director 
 Director |     | Date           
 August 6, 2025 
 August 6, 2025 |
|:---------------------------|:----|:---------|:----|:---------------|
| /s/ M. Elise Hyland        
 M. Elise Hyland            |     | Director |     | August 6, 2025 |
| /s/ Stuart L. Levenick     
 Stuart L. Levenick         |     | Director |     | August 6, 2025 |
| /s/ Karen A. Puckett       
 Karen A. Puckett           |     | Director |     | August 6, 2025 |

S-2

SIGNATURES Pursuant to the requirements of the Securities Act of 1933, Entergy Arkansas, LLC certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-3and has duly caused the Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of New Orleans, State of Louisiana, on August 6, 2025.

| ENTERGY ARKANSAS, LLC |