Market capitalization of TransAlta (TAC)

Market cap: NZ$6.48 Billion

As of February 2026 TransAlta has a market cap of NZ$6.48 Billion. This makes TransAlta the world's 3642th 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 2026

End of year Market Cap

Year	Marketcap	Change
2026	NZ$6.48 B	-1.46%
2025	NZ$6.57 B	-12.72%
2024	NZ$7.53 B	85.04%
2023	NZ$4.07 B	7.02%
2022	NZ$3.80 B	-12.94%
2021	NZ$4.37 B	51.71%
2020	NZ$2.88 B	-1.47%
2019	NZ$2.92 B	67.82%
2018	NZ$1.74 B	-27.48%
2017	NZ$2.40 B	4.92%
2016	NZ$2.29 B	55.97%
2015	NZ$1.46 B	-53.84%
2014	NZ$3.18 B	-23.01%
2013	NZ$4.13 B	-12.16%
2012	NZ$4.70 B	-20.24%
2011	NZ$5.89 B	-2.33%
2010	NZ$6.03 B	-10.43%
2009	NZ$6.74 B	-1.05%
2008	NZ$6.81 B	-22.58%
2007	NZ$8.80 B	34.53%
2006	NZ$6.54 B	3.12%
2005	NZ$6.34 B	54.37%
2004	NZ$4.11 B	-1.47%
2003	NZ$4.17 B	17.99%
2002	NZ$3.53 B	-36.56%
2001	NZ$5.57 B	3.37%
2000	NZ$5.39 B	65.85%
1999	NZ$3.25 B	-30.96%
1998	NZ$4.70 B	16.24%
1997	NZ$4.05 B	50.57%
1996	NZ$2.68 B

End of Day market cap according to different sources

On Feb 24th, 2026 the market cap of TransAlta was reported to be:

NZ$6.49 Billion

by Nasdaq

NZ$6.48 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
AES AES	NZ$19.41 B	199.47%	🇺🇸 USA
Suncor Energy SU	NZ$113.41 B	1,649.74%	🇨🇦 Canada
Enbridge ENB	NZ$191.54 B	2,855.00%	🇨🇦 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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