NorthWestern Energy (NWE) - Market capitalization

Market cap: A$6.09 Billion

As of August 2026 NorthWestern Energy has a market cap of A$6.09 Billion. This makes NorthWestern Energy the world's 3526th 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 NorthWestern Energy from 2004 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	A$6.09 B	3.33%
2025	A$5.89 B	12.83%
2024	A$5.22 B	14.21%
2023	A$4.57 B	-11.37%
2022	A$5.16 B	19.09%
2021	A$4.33 B	12.98%
2020	A$3.83 B	-25.73%
2019	A$5.16 B	21.63%
2018	A$4.24 B	14.26%
2017	A$3.71 B	-2.54%
2016	A$3.81 B	6.29%
2015	A$3.58 B	10.6%
2014	A$3.24 B	72.37%
2013	A$1.88 B	51.27%
2012	A$1.24 B	-1.73%
2011	A$1.26 B	23.1%
2010	A$1.02 B	-1.4%
2009	A$1.04 B	-12.77%
2008	A$1.19 B	-9.09%
2007	A$1.31 B	-17.79%
2006	A$1.59 B	5.23%
2005	A$1.51 B	17.57%
2004	A$1.29 B

End of Day market cap according to different sources

On Aug 19th, 2026 the market cap of NorthWestern Energy was reported to be:

A$6.09 Billion

by Nasdaq

A$6.09 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Ameren AEE	A$42.44 B	596.77%	🇺🇸 USA
CenterPoint Energy CNP	A$37.33 B	512.91%	🇺🇸 USA
Exelon Corporation EXC	A$65.47 B	974.88%	🇺🇸 USA
NiSource NI	A$28.00 B	359.80%	🇺🇸 USA
MDU Resources MDU	A$6.04 B	-0.69%	🇺🇸 USA
PNM Resources PNM	A$5.28 B	-13.23%	🇺🇸 USA
PG&E Corporation PCG	A$54.53 B	795.26%	🇺🇸 USA
Idacorp IDA	A$11.42 B	87.52%	🇺🇸 USA
Black Hills BKH	A$7.82 B	28.54%	🇺🇸 USA
Avista AVA	A$4.50 B	-26.04%	🇺🇸 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 NorthWestern Energy (NWE)

Market cap: A$6.09 Billion