NATIONAL GRID PLC — 20-F Filings
25 20-F filings on record
This page lists all 20-F 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 25 20-F documents with the SEC since 2002. To view all SEC filings by NATIONAL GRID PLC, see the full filings list.
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 |
|---|---|---|---|---|
| 20-F | 20-F | 0001004315-25-000012 | May 29, 2025 | Mar 31, 2025 |
| 20-F | 20-F | 0001004315-24-000007 | May 23, 2024 | Mar 31, 2024 |
| 20-F | 20-F | 0001004315-23-000012 | Jun 6, 2023 | Mar 31, 2023 |
| 20-F | 20-F | 0001004315-22-000057 | Jun 7, 2022 | Mar 31, 2022 |
| 20-F | 20-F | 0001004315-21-000067 | Jun 8, 2021 | Mar 31, 2021 |
| 20-F | 20-F | 0001004315-20-000053 | Jun 25, 2020 | Mar 31, 2020 |
| 20-F | 20-F | 0001004315-19-000071 | Jun 4, 2019 | Mar 31, 2019 |
| 20-F | 20-F | 0001004315-18-000038 | Jun 4, 2018 | Mar 30, 2018 |
| 20-F | FORM 20-F | 0001193125-17-195204 | Jun 6, 2017 | Mar 31, 2017 |
| 20-F | FORM 20-F | 0001193125-16-614641 | Jun 7, 2016 | Mar 31, 2016 |
| 20-F | FORM 20-F | 0001193125-15-214291 | Jun 5, 2015 | Mar 31, 2015 |
| 20-F | FORM 20-F | 0001193125-14-226324 | Jun 5, 2014 | Mar 31, 2014 |
| 20-F | FORM 20-F | 0001193125-13-252366 | Jun 10, 2013 | Mar 31, 2013 |
| 20-F | FORM 20-F | 0001193125-12-267777 | Jun 12, 2012 | Mar 31, 2012 |
| 20-F | FORM 20-F | 0000950123-11-058451 | Jun 13, 2011 | Mar 31, 2011 |
| 20-F | FORM 20-F | 0000950123-10-052651 | May 25, 2010 | Mar 31, 2010 |
| 20-F | FORM 20-F | 0000950123-09-014200 | Jun 16, 2009 | Mar 31, 2009 |
| 20-F | FORM 20-F | 0000950123-08-006935 | Jun 17, 2008 | Mar 31, 2008 |
| 20-F | FORM 20-F | 0000950123-07-008896 | Jun 19, 2007 | Mar 31, 2007 |
| 20-F | FORM 20-F | 0000950123-06-007886 | Jun 20, 2006 | Mar 31, 2006 |
| 20-F | FORM 20-F | 0001047469-05-017356 | Jun 15, 2005 | Mar 31, 2005 |
| 20-F | FORM 20-F | 0001125282-04-002765 | Jun 16, 2004 | Mar 31, 2004 |
| 20-F | — | 0001021231-03-000668 | Jun 11, 2003 | Mar 31, 2003 |
| 20-F | FORM 20-F | 0001156973-02-000303 | Jun 21, 2002 | Dec 31, 2001 |
| 20-F | — | 0001021231-01-500045 | Jun 18, 2001 | Mar 31, 2001 |