National Grid (NGG) - Market capitalization

Market cap: ₹8.260 Trillion

As of May 2026 National Grid has a market cap of ₹8.260 Trillion. This makes National Grid the world's 270th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of National Grid from 2001 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	₹8.260 T	19.45%
2025	₹6.916 T	38.4%
2024	₹4.997 T	19.69%
2023	₹4.175 T	14.26%
2022	₹3.654 T	-5.11%
2021	₹3.850 T	26.88%
2020	₹3.035 T	-1.25%
2019	₹3.073 T	33.37%
2018	₹2.304 T	-9.09%
2017	₹2.534 T	-15.03%
2016	₹2.983 T	-13.66%
2015	₹3.455 T	1.53%
2014	₹3.403 T	13.65%
2013	₹2.994 T	32.33%
2012	₹2.262 T	23.94%
2011	₹1.825 T	31.32%
2010	₹1.390 T	-0.75%
2009	₹1.400 T	5.43%
2008	₹1.328 T	-29.48%
2007	₹1.884 T	-4.47%
2006	₹1.972 T	47.04%
2005	₹1.341 T	-7.36%
2004	₹1.448 T	26.37%
2003	₹1.145 T	62.01%
2002	₹707.30 B	42.28%
2001	₹497.13 B

End of Day market cap according to different sources

On May 12th, 2026 the market cap of National Grid was reported to be:

₹8.240 Trillion

by Nasdaq

₹8.260 Trillion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
BP BP	₹10.879 T	31.70%	🇬🇧 UK
Consolidated Edison ED	₹3.748 T	-54.62%	🇺🇸 USA
DTE Energy DTE	₹2.822 T	-65.83%	🇺🇸 USA
Sempra SRE	₹5.810 T	-29.66%	🇺🇸 USA
NiSource NI	₹2.152 T	-73.94%	🇺🇸 USA
TC Energy TRP	₹6.572 T	-20.44%	🇨🇦 Canada
Unitil Corporation UTL	₹86.93 B	-98.95%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of National Grid (NGG)

Market cap: ₹8.260 Trillion