National Grid PLC 6-K, filed Sep 1, 2021

SECURITIES AND EXCHANGE COMMISSION

Washington D.C. 20549

FORM 6-K

REPORT OF FOREIGN ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

OF THE SECURITIES EXCHANGE ACT OF 1934

Date: 1 September 2021

Commission File Number: 001-14958

NATIONAL GRID plc

(Registrant’s Name)

1-3 Strand

London WC2N 5EH, England

(Registrant’s Address)

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

Please see Exhibit 99.1 Announcement sent to the London Stock Exchange on 1 September 2021 — 'CMA clears acquisition of WPD '

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.

Date:1 September 2021

EXHIBIT INDEX

Document

Exhibit 99.1

1 September 2021

National Grid plc

CMA clears acquisition of WPD

National Grid plc (“National Grid”) is pleased to note the announcement from the Competition and Markets Authority (“CMA”) this morning clearing the acquisition by National Grid of PPL WPD Investments Limited, the holding company of Western Power Distribution (“WPD”). National Grid will be hosting a Capital Markets Day for investors and analysts on 18 November where it will share its plans for WPD alongside the wider group.

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