Company: NEWEN
Filing Date: 2025-02-28
Form Type: 6-K
Source: 0001654954-25-002056
Chunk: 0

Company: NATIONAL GRID PLC
Filing Date: 2025-02-28
Form: 6-K
Chunk 0
---
### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington D.C. 20549
<div align='center'>____________________</div>

#### FORM 6-K
<div align='center'>**____________________

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE**</div>

#### SECURITIES EXCHANGE ACT OF 1934

#### Date: 28 February 2025

#### Commission File Number: 001-14958
<div align='center'>____________________</div>

#### NATIONAL GRID plc
<div align='center'>(Translation of registrant’s name into English)</div>

#### England and Wales
<div align='center'>(Jurisdiction of Incorporation)

____________________</div>

#### 1-3 Strand, London, WC2N 5EH, United Kingdom
<div align='center'>(Address of principal executive office)

____________________

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

☒Form 20-F ☐Form 40-F

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3- 2(b) under the Securities Exchange Act of 1934. ☐Yes ☒No

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): n/a</div>

### EXHIBIT INDEX
| Exhibit No. | Description                                                        |
| 99.1        | Exhibit                                                            
 99.1 Announcement sent to the London Stock Exchange on 03 February 
 2025—                                                              
 Total Voting Rights                                                |
| 99.2        | Exhibit                                                            
 99.2 Announcement sent to the London Stock Exchange on 05 February 
 2025—                                                              
 Director/PDMR Shareholding                                         |
| 99.3        | Exhibit                                                            
 99.3 Announcement sent to the London Stock Exchange on