# EDGAR Filing Document

**Accession Number:** 0001004315
**File Stem:** 0001654954-23-001051
**Filing Date:** 2023-1
**Character Count:** 4065
**Document Hash:** 19d3cad6782441e2df68bb37df906986
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001654954-23-001051.hdr.sgml**: 20230131

**ACCESSION NUMBER**: 0001654954-23-001051

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230131

**FILED AS OF DATE**: 20230131

**DATE AS OF CHANGE**: 20230131

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NATIONAL GRID PLC
- **CENTRAL INDEX KEY:** 0001004315
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATURAL GAS TRANSMISSION [4922]
- **IRS NUMBER:** 980367158
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-14958
- **FILM NUMBER:** 23570509

**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: 31 January 2023**

 **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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| | |
|:---|:---|
| <br> **Exhibit No.**<br>| **Description**<br>|
| 99.1 | Exhibit 99.1 Announcement sent to the London Stock Exchange on 31 January 2023 - Sale completion:majority interest, NGGT & Metering<br>|

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Exhibit 99.1

 **31 January 2023**

 **Completion of sale of majority interest in NGGT and Metering**

National Grid plc is pleased to announce that it has today completed the sale of a 60% equity interest in its UK gas transmission and metering business to a consortium comprised of Macquarie Asset Management and British Columbia Investment Management Corporation.

 **Enquiries and contacts**

 *Investors and Analyst:*

Nick Ashworth +44 (0) 7814 355 590

Angela Broad +44 (0) 7825 351 918

James Flanagan +44 (0) 7970 778 952

Jonathan Clay +44 (0) 7899 928 247

 *Media:*

Molly Neal +44 (0) 7583 102 727

Danielle Dominey-Kent +44 (0) 7812 485 153

 **About National Grid Gas**

National Grid Gas owns and operates the regulated gas National Transmission System ("NTS") in Great Britain, and also owns a regulated gas metering business.

 **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>|  ***/s/Ceri Jamond***<br>  ***_______________________***<br>|
|  | Ceri Jamond<br> Senior Assistant Company Secretary<br>|

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Date: 31 January 2023