# EDGAR Filing Document

**Accession Number:** 0001004315
**File Stem:** 0001654954-25-013506
**Filing Date:** 2025-11
**Character Count:** 4453
**Document Hash:** 8a3c9a28f5206d4f80d9539ab87d3053
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001654954-25-013506.hdr.sgml**: 20251128

**ACCESSION NUMBER**: 0001654954-25-013506

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251128

**FILED AS OF DATE**: 20251128

**DATE AS OF CHANGE**: 20251128

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NATIONAL GRID PLC
- **CENTRAL INDEX KEY:** 0001004315
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATURAL GAS TRANSMISSION [4922]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 980367158
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-14958
- **FILM NUMBER:** 251534050

**BUSINESS ADDRESS:**
- **STREET 1:** 1-3 STRAND
- **CITY:** LONDON
- **STATE:** X0
- **ZIP:** WC2N 5EH
- **BUSINESS PHONE:** (44) 207 004 3220

**MAIL ADDRESS:**
- **STREET 1:** 1-3 STRAND
- **CITY:** LONDON
- **STATE:** X0
- **ZIP:** WC2N 5EH

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NATIONAL GRID TRANSCO PLC
- **DATE OF NAME CHANGE:** 20021121

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NATIONAL GRID GROUP PLC
- **DATE OF NAME CHANGE:** 19991007

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NATIONAL GRID HOLDING PLC
- **DATE OF NAME CHANGE:** 19991007

**UNITED STATES**

 **SECURITIES AND EXCHANGE COMMISSION**

 **Washington D.C. 20549**

 **FORM 6-K**

 **REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934**

 **Date: 28 November 2025**

 **Commission File Number: 001-14958**

 **NATIONAL GRID plc**

(Translation of registrant's name into English)

 **England and Wales**

(Jurisdiction of Incorporation)

 **1-3 Strand, London, WC2N 5EH, United Kingdom**

(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

 **EXHIBIT INDEX**

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| | |
|:---|:---|
| **Exhibit No.**<br>| **Description**<br>|
| 99.1<br>| Exhibit 99.1 Announcement sent to the London Stock Exchange on 28 November 2025— Completion of sale of Grain LNG |

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Exhibit 99.1

28 November 2025

 **National Grid plc** 

 **Completion of sale of Grain LNG**

National Grid plc ("National Grid") is pleased to announce that it has completed the sale of its Grain LNG business to a consortium of multinational energy company, Centrica plc and energy transition infrastructure investment firm, Energy Capital Partners, part of Bridgepoint Group plc. <br>

 **About National Grid plc**

National Grid lies at the heart of a transforming energy system, pioneering ways to build the reliable and resilient networks of the future. We power the lives of millions of people across the UK and the US, moving energy from where it's made to the homes and businesses that need it, every single day. We also drive change through engineering innovation and by incubating new ideas with the power to revolutionise our industry.

As one of the largest publicly listed energy network companies in the world, National Grid is committed to delivering secure, affordable, and cleaner energy for our customers while supporting economic growth in the communities we serve.

Enquiries and contacts

 *Investors and Analysts*

Tom Edwards +44 (0) 7976 962 791 <br> Cerys Reece +44 (0) 7860 382 264

 *Media*

Tom Dooks +44 (0) 7701 276 607

 **SIGNATURE**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

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| | |
|:---|:---|
| &nbsp;&nbsp;&nbsp; NATIONAL GRID plc | &nbsp;&nbsp;&nbsp; NATIONAL GRID plc |
|  ***By:***<br>|  ***Beth Melges***<br>|
|  | Beth Melges<br> Head of Plc Governance<br>|

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Date: 28 November 2025