NGG Form 20-F: Annual report of foreign private issuer

NATIONAL GRID PLC Form 20-F: Annual report of foreign private issuer

Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.

2026-06-03: Form 20-F; Period of report 2026-03-31; Description 20-F; Document nggtf-20260331.htm.
2025-05-29: Form 20-F; Period of report 2025-03-31; Description 20-F; Document nggtf-20250331.htm.
2024-05-23: Form 20-F; Period of report 2024-03-31; Description 20-F; Document nggtf-20240331.htm.
2023-06-06: Form 20-F; Period of report 2023-03-31; Description 20-F; Document nggtf-20230331.htm.

Filed	Form	Period of report	Description	Document
2026-06-03	20-F	2026-03-31	20-F	nggtf-20260331.htm
2025-05-29	20-F	2025-03-31	20-F	nggtf-20250331.htm
2024-05-23	20-F	2024-03-31	20-F	nggtf-20240331.htm
2023-06-06	20-F	2023-03-31	20-F	nggtf-20230331.htm
2022-06-07	20-F	2022-03-31	20-F	nggtf-20220331.htm
2021-06-08	20-F	2021-03-31	20-F	nggtf-20210331.htm
2020-06-25	20-F	2020-03-31	20-F	nationalgrid20f2020redacdoc.htm
2019-06-04	20-F	2019-03-31	20-F	nationalgrid20f2019doc.htm
2018-06-04	20-F	2018-03-30	20-F	nationalgriddoc.htm
2017-06-06	20-F	2017-03-31	FORM 20-F	d406115d20f.htm
2016-06-07	20-F	2016-03-31	FORM 20-F	d360371d20f.htm
2015-06-05	20-F	2015-03-31	FORM 20-F	d929823d20f.htm
2014-06-05	20-F	2014-03-31	FORM 20-F	d721575d20f.htm
2013-06-10	20-F	2013-03-31	FORM 20-F	d536809d20f.htm
2012-06-12	20-F	2012-03-31	FORM 20-F	d360489d20f.htm
2011-06-13	20-F	2011-03-31	FORM 20-F	y91576e20vf.htm
2010-05-25	20-F	2010-03-31	FORM 20-F	y84347e20vf.htm
2009-06-16	20-F	2009-03-31	FORM 20-F	y77492e20vf.htm
2008-06-17	20-F	2008-03-31	FORM 20-F	y59930e20vf.htm
2007-06-19	20-F	2007-03-31	FORM 20-F	y35178e20vf.htm
2006-06-20	20-F	2006-03-31	FORM 20-F	u50268e20vf.htm
2005-06-15	20-F	2005-03-31	FORM 20-F	a2159198z20-f.htm
2004-06-16	20-F	2004-03-31	FORM 20-F	b332461_20f.htm
2003-06-11	20-F	2003-03-31	Annual report of foreign private issuer	b711854-20f.htm
2002-06-21	20-F	2001-12-31	FORM 20-F	u45031e20vf.htm
2001-06-18	20-F	2001-03-31	Annual report of foreign private issuer	allcover.gif