National Grid (NGG) completes sale of Grain LNG business to Centrica and ECP

Rhea-AI Filing Summary

National Grid plc has completed the sale of its Grain LNG business to a consortium made up of Centrica plc and Energy Capital Partners, which is part of Bridgepoint Group plc. This transaction removes Grain LNG from National Grid’s portfolio and transfers ownership to a mix of a multinational energy company and an energy transition-focused infrastructure investor.

National Grid describes itself as one of the largest publicly listed energy network companies, operating critical electricity and gas networks in the UK and US. The company emphasises its role in providing secure, affordable and cleaner energy while supporting economic growth, and positions this move within a broader strategy of focusing on reliable and resilient energy networks for the future.

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

Exhibit No.	Description
99.1	Exhibit 99.1 Announcement sent to the London Stock Exchange on 28 November 2025— Completion of sale of Grain LNG

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.

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
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.

	NATIONAL GRID plc
	By:	Beth Melges
		Beth Melges Head of Plc Governance

Date: 28 November 2025

FAQ

What did National Grid plc (NGG) announce in this 6-K filing?

National Grid plc announced that it has completed the sale of its Grain LNG business to a consortium of Centrica plc and Energy Capital Partners, part of Bridgepoint Group plc.

Who bought National Grid plc’s Grain LNG business?

The Grain LNG business was sold to a consortium of Centrica plc and Energy Capital Partners, which is described as an energy transition infrastructure investment firm and part of Bridgepoint Group plc.

Does this filing provide financial details of the Grain LNG sale by National Grid (NGG)?

The content states that the sale of the Grain LNG business has been completed, but it does not include specific financial figures or terms for the transaction in the provided text.

How does National Grid plc describe its core business in this document?

National Grid plc describes itself as being at the heart of a transforming energy system, operating energy networks in the UK and US, and focusing on delivering secure, affordable and cleaner energy while supporting economic growth.

Which regions does National Grid plc (NGG) primarily serve?

National Grid plc notes that it powers the lives of millions of people across the UK and the US, moving energy from where it is produced to homes and businesses.

Who are the investor relations contacts listed for National Grid plc in this announcement?

The investor and analyst contacts listed are Tom Edwards and Cerys Reece, each with UK mobile phone numbers provided for enquiries.