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NATIONAL GRID PLC — 6-K Filings

767 6-K filings on record

This page lists all 6-K filings submitted to the SEC by NATIONAL GRID PLC (NMPWP), sorted by most recent first. Each row links to the full filing on EdgarLookup. NATIONAL GRID PLC has filed 767 6-K documents with the SEC since 2002. To view all SEC filings by NATIONAL GRID PLC, see the full filings list.

Overview All Filings Financials Insiders
All 11-K 11-K/A 15-12G 20-F 20-F/A 25 25-NSE 3 35-CERT 35-CERT/A 4 424B2 424B5 425 6-K 8-A12B 8-A12G CERT CERTNYS CORRESP CT ORDER F-3 F-3ASR F-4 F-4/A F-6 POS F-6EF FWP NO ACT POS AMC POSASR RW S-8 S-8 POS SC 13G SC 13G/A SC TO-C SC TO-I SC TO-I/A SC TO-T SC TO-T/A SCHEDULE 13G/A SE U-1 U-1/A U-12-IA U-12-IB U-57 U5A U5B U5S U5S/A UPLOAD
Form Description Accession Number Filed Period
6-K UPGRADED 5-YEAR FRAMEWORK AND RIIO-T3 ACCEPTANCE 0001654954-26-001708 Mar 2, 2026
6-K BATCH FILING 0001654954-26-001618 Feb 27, 2026
6-K BATCH FILING 0001654954-26-000733 Jan 30, 2026
6-K PUBLICATION OF A SUPPLEMENTARY PROSPECTUS 0001654954-26-000549 Jan 23, 2026
6-K VOTING RIGHTS AND CAPITAL UPDATE 0001654954-26-000334 Jan 14, 2026
6-K NATIONAL GRID PLC SCRIP DIVIDEND 0001654954-26-000244 Jan 12, 2026
6-K NATIONAL GRID PLC SCRIP DIVIDEND 0001654954-26-000245 Jan 12, 2026
6-K PRIMARY DOCUMENT 0001654954-25-014422 Dec 31, 2025
6-K OUTCOME OF AUDIT TENDER PROCESS 0001654954-25-013868 Dec 11, 2025
6-K OFGEM'S RIIO-T3 FINAL DETERMINATION PUBLISHED 0001654954-25-013665 Dec 4, 2025
6-K COMPLETION OF SALE OF GRAIN LNG 0001654954-25-013506 Nov 28, 2025
6-K SCRIP DIVIDEND FOR 2025/26 INTERIM DIVIDEND 0001654954-25-013483 Nov 28, 2025
6-K BATCH FILING 0001654954-25-013492 Nov 28, 2025
6-K HOLDING(S) IN COMPANY 0001654954-25-013438 Nov 25, 2025
6-K HOLDING(S) IN COMPANY 0001654954-25-013139 Nov 17, 2025
6-K 6-K 0001004315-25-000016 Nov 6, 2025 Sep 30, 2025
6-K NATIONAL GRID PLC HALF-YEAR RESULTS 2025/26 0001654954-25-012622 Nov 6, 2025
6-K BATCH FILING 0001654954-25-012387 Oct 31, 2025
6-K PRE-CLOSE UPDATE AHEAD OF HY 2025/26 RESULTS 0001654954-25-011353 Oct 2, 2025
6-K BATCH FILING 0001654954-25-011202 Sep 30, 2025
6-K DIRECTOR DECLARATION 0001654954-25-011051 Sep 24, 2025
6-K BATCH FILING 0001654954-25-010181 Aug 29, 2025
6-K RESPONSE TO OFGEM'S RIIO-ET3 DRAFT DETERMINATION 0001654954-25-010066 Aug 27, 2025
6-K SALE OF GRAIN LNG 0001654954-25-009538 Aug 14, 2025
6-K BATCH FILING 0001654954-25-008713 Jul 31, 2025
6-K VOTING RIGHTS AND CAPITAL UPDATE 0001654954-25-008173 Jul 17, 2025
6-K NATIONAL GRID PLC SCRIP DIVIDEND 0001654954-25-008113 Jul 16, 2025
6-K RESULT OF AGM 0001654954-25-007883 Jul 9, 2025
6-K OFGEM'S DRAFT DETERMINATION FOR RIIO-ET3 0001654954-25-007570 Jul 1, 2025
6-K BATCH FILING 0001654954-25-007492 Jun 30, 2025
6-K SCRIP DIVIDEND FOR 2024/25 FINAL DIVIDEND 0001654954-25-006613 Jun 5, 2025
6-K HOLDING(S) IN COMPANY 0001654954-25-006568 Jun 4, 2025
6-K HOLDING(S) IN COMPANY 0001654954-25-006363 Jun 2, 2025
6-K COMPLETION OF SALE OF NATIONAL GRID RENEWABLES 0001654954-25-006273 May 30, 2025
6-K BATCH FILING 0001654954-25-006288 May 30, 2025
6-K HOLDING(S) IN COMPANY 0001654954-25-006236 May 29, 2025
6-K HOLDING(S) IN COMPANY 0001654954-25-006191 May 29, 2025
6-K PUBLICATION OF ANNUAL REPORT AND ACCOUNTS & AGM 0001654954-25-006235 May 29, 2025
6-K HOLDING(S) IN COMPANY 0001654954-25-006145 May 28, 2025 May 27, 2025
6-K HOLDING(S) IN COMPANY 0001654954-25-006032 May 22, 2025
6-K DIRECTOR DECLARATION 0001654954-25-005653 May 15, 2025
6-K FY2025 FULL YEAR RESULTS STATEMENT 0001654954-25-005651 May 15, 2025
6-K NATIONAL GRID PLC ANNOUNCES CEO SUCCESSION PLAN 0001654954-25-004929 May 1, 2025
6-K BATCH FILING 0001654954-25-004812 Apr 30, 2025
6-K 3-YEAR RATE PLAN PROPOSAL FILED FOR NIMO 0001654954-25-004697 Apr 28, 2025
6-K PRE-CLOSE UPDATE AHEAD OF FULL YEAR 24/25 RESULTS 0001654954-25-004093 Apr 10, 2025
6-K BATCH FILING 0001654954-25-003598 Mar 31, 2025
6-K DIRECTOR DECLARATION 0001654954-25-003341 Mar 26, 2025
6-K BATCH FILING 0001654954-25-002056 Feb 28, 2025
6-K SALE OF NATIONAL GRID RENEWABLES 0001654954-25-001819 Feb 24, 2025