National Grid (NGG) - Market capitalization

Market cap: A$92.87 Billion

As of January 2025 National Grid has a market cap of A$92.87 Billion. This makes National Grid the world's 341th 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 2025

End of year Market Cap

Year	Marketcap	Change
2025	A$92.87 B	-0.83%
2024	A$93.64 B	27.22%
2023	A$73.61 B	13.44%
2022	A$64.88 B	-9.07%
2021	A$71.36 B	32.22%
2020	A$53.97 B	-12.32%
2019	A$61.55 B	31.58%
2018	A$46.78 B	-8.01%
2017	A$50.85 B	-16.51%
2016	A$60.90 B	-14.67%
2015	A$71.37 B	8.78%
2014	A$65.61 B	20.74%
2013	A$54.34 B	36.63%
2012	A$39.77 B	18.15%
2011	A$33.66 B	10.2%
2010	A$30.54 B	-9.11%
2009	A$33.61 B	-14.23%
2008	A$39.18 B	-28.65%
2007	A$54.91 B	-2.79%
2006	A$56.49 B	38.67%
2005	A$40.74 B	-5.71%
2004	A$43.20 B	27.61%
2003	A$33.86 B	29.34%
2002	A$26.17 B	29.68%
2001	A$20.18 B

End of Day market cap according to different sources

On Jan 20th, 2025 the market cap of National Grid was reported to be:

A$92.87 Billion

by Yahoo Finance

A$92.87 Billion

by CompaniesMarketCap

A$92.75 Billion

by Nasdaq

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
NiSource NI	A$28.36 B	-69.46%	🇺🇸 USA
Consolidated Edison ED	A$51.73 B	-44.30%	🇺🇸 USA
DTE Energy DTE	A$40.83 B	-56.03%	🇺🇸 USA
Sempra Energy SRE	A$86.02 B	-7.37%	🇺🇸 USA
TC Energy TRP	A$78.81 B	-15.14%	🇨🇦 Canada
BP BP	A$132.74 B	42.93%	🇬🇧 UK
Unitil Corporation UTL	A$1.41 B	-98.48%	🇺🇸 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: A$92.87 Billion