TransAlta (TAC) - Market capitalization

Market cap: £2.23 Billion

As of March 2025 TransAlta has a market cap of £2.23 Billion. This makes TransAlta the world's 3575th 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 TransAlta from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£2.23 B	-34.01%
2024	£3.38 B	67.53%
2023	£2.02 B	1.22%
2022	£1.99 B	-9.71%
2021	£2.21 B	45.02%
2020	£1.52 B	1.56%
2019	£1.50 B	63.1%
2018	£0.92 B	-27.07%
2017	£1.26 B	-1.79%
2016	£1.28 B	89.59%
2015	£0.67 B	-57.64%
2014	£1.60 B	-22.23%
2013	£2.05 B	-14.03%
2012	£2.39 B	-19.16%
2011	£2.96 B	-1.87%
2010	£3.01 B	-0.27%
2009	£3.02 B	12.17%
2008	£2.69 B	-20.49%
2007	£3.39 B	44.22%
2006	£2.35 B	-6.43%
2005	£2.51 B	64.62%
2004	£1.52 B	0.77%
2003	£1.51 B	31.37%
2002	£1.15 B	-27.7%
2001	£1.59 B	-0.29%
2000	£1.60 B	52.25%
1999	£1.05 B	-29.54%
1998	£1.49 B	4.29%
1997	£1.43 B	28.92%
1996	£1.10 B

End of Day market cap according to different sources

On Mar 22nd, 2025 the market cap of TransAlta was reported to be:

£2.24 Billion

by Nasdaq

£2.23 Billion

by CompaniesMarketCap

£2.24 Billion

by Yahoo Finance

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
AES AES	£7.16 B	220.51%	🇺🇸 USA
Suncor Energy SU	£35.72 B	1,498.38%	🇨🇦 Canada
Enbridge ENB	£73.72 B	3,198.15%	🇨🇦 Canada

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 TransAlta (TAC)

Market cap: £2.23 Billion